Loop controller
Siemens Energy & Automation has released a new version of the 353 Loop Controller with an Ethernet communication card. This new enhancement enables network connectivity with other 353 loop controllers, as well as other Modbus TCP/IP Ethernet devices. With the Ethernet communication capability, remote monitoring and control allows the user to view the process, from the control room or any workstation, on the network.
Siemens Energy & Automation
Spring House, PA
Tel: 215-646-7400
Web: www.sea.siemens.com/ia
RO performance monitor
The RO Performance Monitor from RODI Systems is a single instrument designed to monitor all of the necessary RO operating parameters including conductivity, pH (or ORP), temperature, flows, and pressures. The monitor calculates and logs all operating data including normalized permeate flow. It predicts when membrane cleaning is necessary and eliminates time-consuming data logging and normalization calculations.
RODI Systems Corp.
Aztec, NM
Tel: 505-334-5865
Web: www.rodisystems.com
pH recorder-controller
Analytical Measurements offers a line of pH and ORP (Redox) instrumentation as well as replacement probes/sensors. Its new pH/Temp Recorder-Controller is a microprocessor based unit and can be configured to measure and control either pH or ORP. Standard features include a large LED display that shows to two decimal places for either pH (0-14) or ORP (±1000mV). Units contain a 4-20 mA output for remote operations and two controllers with individual set points to operate alarms, pumps, etc. Manual temperature compensation is provided from 0-100 degrees C. With the addition of an automatic temperature compensation problem, pH can be adjusted automatically.
Analytical Measurements
Hillside, NJ
Tel: 800-635-5580
Web: www.analyticalmeasurements.com
Particle monitoring
Analytical Technology has released a new particle monitoring system designed to provide filter effluent measurements for potable water systems. The C10/77 Sensor is a laser based system that counts and displays particles at 2, 3, 5, 7, 10, 15, 20 and 200 microns in size. An LED display on the front of the counter allows operators to view the current counts at any size, and also to display differential counts for adjacent size channels. The counter is ideal for continuously monitoring the outlet of filter systems to detect spikes in particle levels that indicate filter problems. Three isolated and scaleable 4-20 mA outputs are provided for interface to PLC and computer systems.
Analytical Technology Inc.
Oaks, PA
Tel: 800-959-0299
Web: http://www.analyticaltechnology.com/
Chlorine analyzer
The Foxcroft FX-1000p is a true, on-line amperometric chlorine analyzer for free or total chlorine residual readings. The analyzer is used for monitoring potable water and wastewater. It handles ranges from 0.01 ppm to 50 ppm without dilution.
Foxcroft Equipment
Glen Moore, PA
Tel: 800-874-0590
Web: www.foxcroft.com
SCADA system security
A new report from Bristol Babcock, "Water Security: The Role of the SCADA System," explains how SCADA systems can be used in the water industry for security purposes. Since SCADA systems already exist in most water operations, implementing additional security measures is relatively easy. Security equipment, including video cameras, motion detectors, contact switches, keyless entry devices and card readers can be interfaced either directly to the SCADA network or via a nearby RTU.
Bristol Babcock Inc.
Watertown, CT
Tel: 860-945-2301
Web: www.bristolbabcock.com
Process analyzers
Myratek offers on-line ammonia (AD-2000) and nitrate (ND-2000) analyzers to help prevent process upsets and inconsistent treatment. The analyzers are designed for easy installation and no pumping or filtering. The instruments are intended for process control applications, and install directly in the process tank without fouling.
Myratek, Inc.
King of Prussia, PA
Tel: 610-265-8620
Web: www.myratek.com
DIN controller
The new Fuji Electric PXR3 controller, distributed by TTI Inc., offers a wide variety of inputs and outputs, and a 16-segment ramp-soak profile. The bright red LED display is bigger and brighter than most other 1/32 DIN controllers. Options include RS485 Modbus communications with free Windows®-based software, digital input, dual outputs, and programmable alarms. A new option to the PXR series is the program configuration loader with Windows-based software to set up the controller. Files for different applications can be saved to and from the controller. Remote monitoring of up to 31 controllers at a time is possible with the RS485 option that uses the industry-standard Modbus protocol.
TTI Inc.
Williston, VT
Tel: 800-235-8367
Web: www.ttiglobal.com
Control system
Control Microsystems is now shipping the SCADAPack 100, its newest PLC/RTU engineered specifically for water and wastewater applications. Being very compact and low cost, the unit provides universal six digital I/O, four analog inputs, two RS-232/485 serial ports, one counter input, and can be expanded to over 700 I/O in the future. The system is ideal for lift stations, reservoirs, and water distribution controls. In addition to being a full featured PLC with ladder logic, floating point math, PID, IEC 61131-3 and C programmability, the unit also provides SCADA features such as multiple protocols, conformal coating to resist corrosion, and very wide temperature range.
Control Microsystems
Kanata, ON
Tel: 888-267-2232
Web: www.controlmicrosystems.com
Level monitoring
The Solinst Model 2001 Reelogger, designed for portable or dedicated applications, allows instant data viewing as well as datalogging. Portable reels are designed with flat tape, marked every 1/100 ft. The datalogger, thermistor and barometer are all housed in the reel. Temperature compensated pressure, conductivity and pH smart probes are available.
Solinst Canada Ltd
Georgetown, ON
Tel: 905-873-2255
Web: www.solinst.com
RTU processor
The ProSoft RTU-5/03 Processor is aimed strategically at SCADA applications, such as those commonly used in the water/wastewater industry. The processor is a fully functional Allen-Bradley SLC 5/03 processor with the Modbus slave communications driver added to Channel 0. All features of the SLC 5/03 are available in the RTU 5/03, including the complete instruction set, built-in math capabilities, two communications channels (DH-485 and RS-232), on-line editing, built-in key switch and built-in real-time clock and calendar, analog I/O and PID capabilities. The processor uses standard ladder logic tools for programming.
ProSoft Technology
Bakersfield, CA
Tel: 661-664-7208
Web: www.prosoft-technology.com
Flow monitoring
Blue-White Industries' DIGI-FLO® F-2000 Series electronic insertion style flowmeters are well suited for monitoring flow in municipal water and wastewater applications. The clamp-on saddle fitting and insertion sensor can be installed on IPS (ASTM-D-1785) pipe sizes from 1 1/2 in. through 12 in. pipe. The electronic display and communication enclosure can be mounted directly to the sensor, or remotely mounted to a pipe or panel. Standard models display flow rate and accumulated total flow, and include an NPN open collector output for communication with data loggers, SCADA systems, and other external devices. Optional 4-20 mA/0-10 vDC plug-in circuitry can be added for additional communication requirements. The electronics can be battery operated using four standard AA size batteries or, AC powered using a 15-24 vDC plug-in transformer. A battery back-up option is also available.
Blue-White Industries
Huntington Beach, CA
Tel: 714-893-8529
Web: www.bluwhite.com
Water modeling
Haestad Methods has released WaterCAD 5.0, the latest addition to its family of software for the water resources industry. The new software features hydraulics, system diagnostic tools, geographic information management, and energy cost analysis capabilities. Users can evaluate different capital improvements and rehabilitation options based on their hydraulic impact, water quality implications, and cost before actually implementing them. They can also leverage a suite of new energy management features to calculate and develop cost projections for a full range of pump control schemes and identify the most economical operational strategy.
Haestad Methods
Waterbury, CT
Tel: 203-805-0432
Source water monitoring
YSI provides the end-user-configurable 6200 DAS (Data Acquisition System) for source water monitoring. The 6200 can measure water quality parameters such as DO, pH, conductivity, salinity, turbidity, chlorophyll and level from multiple locations. It can be deployed on land, floating platforms, or buoys. Data storage is within the unit's datalogger as well as transmitted to SCADA systems that perform automated functions such as actuating alarms and control commands based on water quality data.
YSI, Inc.
Yellow Springs, OH
Tel: 800-363-3269
Web: www.ysi.com
Chlorine control
Hanna's PCA300 (Free chlorine) and the PCA 301(Total Chlorine) analyzers use state of the art microprocessor technology and the DPD colorimetric method to ensure accuracy and reliability in chlorine disinfection systems. Standard features include: RS 232 data port, 4-20 mA recorder output, duel alarm setpoint, LED display with self-diagnostic messages, and user select sampling time to reduce the use of reagents.
Hanna Instruments
Temecula, CA
Tel 888-426-6222
Web: www.hannainst.com
Flat panel LCD recorders
Dickson now offers a line of inexpensive Flat Panel LCD Recorders that monitor temperature and humidity (FH121), remote temperature and humidity (FH125), or remote high temperature (FT121). The recorders feature a large display that shows both current readings and a graph of data ranging from 1 hour to 32 days. In addition, the FT121 uses a K thermocouple probe for greater versatility and wider temperature ranges from -200 to 2000°F. For detailed analysis, storing, or emailing, the recorders store 15,872 samples per channel for optional PC downloads.
Dickson Company
Addison, IL
Tel: 800-323-2448
Web: www.dicksonweb.com
Multi-channel actuator
The new Hexacon Controller from Halogen Valve Systems is a self-contained battery operated controller that can actuate up to six Eclipse actuators. In an emergency, this system will shut off each chlorine ton or cylinder container in less than a second. The Hexacon system actuates instantly with a signal from remote switches like gas sensors, SCADA systems, fire alarms and panic buttons. This "automatic-closing fail-safe valve" system is a close-only device that is outlined for use in the new Fire Codes.
Halogen Valve Systems, Inc.
Irvine, CA
Tel: 949-261-5030
Web: www.halogenvalve.com
Statistical process control tools
OPS Systems announces the release of version 2.6.2 of OPS 32 operations software. Among the many enhancements are new statistical routines, including the Grubbs test for outliers and detection of QC abnormalities such as seven consecutive values above or below the mean, or five consecutive values sloping in the same direction. These abnormalities often signal that something has changed and the cause needs to be investigated. For example: The dilution water for BOD testing should be tested for contamination. The battery in a process instrument may be loosing charge. The membrane in your process DO meter needs to be changed.
OPS Systems Inc.
Rio Rancho, NM
Tel: 800-677-0067
Web: www.opssys.com
Monitoring system
The Sensaphone® SCADA 3000 remote monitoring system from Phonetics can help protect water and wastewater facilities against accidents and downtime. The system safeguards personnel and facilities by monitoring pressure transducers, flow meters, water levels, timers, temperature, and power at treatment plants; as well as pumping stations, operating equipment, and labs. When a problem is detected, the system automatically alerts facility management. The system offers flexible communication with a host PC using radio and/or telephone lines to receive information from receiver/transmitter units.
Phonetics Inc.
Aston, PA
Tel: 610-528-2700
Web: www.Sensaphone.com
Ozone control
To meet customer demands and new regulatory requirements limiting the maximum contamination level (MCL) of bromate in drinking water, Osmonics has significantly improved the ozone production control capability of its E-Series Ozone Generator. The generator now controls ozone production to the nearest 0.3 percent, compared to 6.25 percent in the past. This gives customers more precise ozone production control, helping to limit the amount of bromate created as a byproduct of ozone disinfection. By improving ozone generation control and increasing the number of possible control steps from 16 to over 300, the E-Series generator is able to deliver virtually continuous linear control capability.
Osmonics Inc.
Minnetonka, MN
Tel: 800-766-2599
Web: www.osmonics.com
Residual chlorine analyzer
USFilter announces the new Depolox® Basic residual chlorine analyzer by USFilter's Wallace & Tiernan Products. As the name indicates, the new unit is a "no frills" analyzer that continuously measures either free or total chlorine residuals. It uses proven and universally accepted amperometric measurement technology. Even though the Basic analyzer is a bare bones unit, it uses the accurate and stable 3-electrode measuring technology, and has the ability to measure total chlorine without reagents. An isolated 4-20 mA output signal is provided as standard. There are seven selectable measurement ranges for free or total residual from 0-0.20 to 0-20 mgl/L.
USFilter's Wallace & Tiernan
Vineland, NJ
Tel: 856-507-9000
Process control
USFilter's IQ BNR process control system integrates the company's knowledge of aerated-anoxic systems with a PLC based control. The PLC provides several intelligent functions, including: Control of aerators using dissolved oxygen (DO) and oxidation-reduction potential (ORP); Control of sludge wasting; and Control of Stormflow Mode of operation. The IQ system also varies oxygen input using signals from DO and ORP probes. This ensures minimum power and reliable treatment. USFilter's logic optimizes simultaneous nitrification/denitrification and biological phosphorus removal.
USFilter's Envirex Products
Waukesha, WI
Tel: 800-524-6324
Web: www.usfilter.com
Remote monitoring
Bullhorn, from American Innovations, is an inexpensive means of monitoring remote equipment with wireless technology. The system can monitor wells, pumps, lift stations, storage tanks, effluent overflow, pressure, pH, temperature, flow meters and more. It provides notifications by fax, page and/or email to inform users immediately when the status of a piece of equipment has reached a pre-programmed alarm situation. Data also is transmitted wirelessly to a secure Internet site for viewing by users. Since the system uses cellular control channel network to communicate wirelessly, it is a low-cost choice for monitoring, even as a backup for other devices already in place.
American Innovations
Austin, TX
Tel: 800-229-3404
Web: www.aimmonitoring.com
Data management
To get the most out of SCADA systems, cities face the challenge of channeling SCADA-monitored data to key decision-makers. Now, with the implementation of the eDNA real-time data historian solution, which will interface with any commercial SCADA system, SCADA-monitored data can be collected, stored and made available in real-time. The software serves as an enterprise data historian. It was developed by Industrial Peer-to-Peer LLC, a subsidiary of InStep Software. The system captures, archives and time-stamps the mountains of historical and real-time T&D data, including flow rates, pressures, and water quality. eDNA integrates with other enterprise systems and makes time-sensitive data accessible - via the Web - throughout an organization.
Industrial Peer-to-Peer
Chicago, IL
Tel: 312-894-7870
Web: www.ippc.com
Sludge age control
The SRTmaster activated sludge control system from Ekster can control foaming and improve settling in conventional activated sludge processes and in BNR and BEPR processes. The system also improves nutrient removal. In addition, the control system stabilizes loads on thickening facilities and, as a result, improves performance of thickeners and reduces usage of chemicals by as much as 50%. The number of TSS tests is reduced by 70-80%. The control system includes PC based SRT controller and two suspended solids meters (in some applications one TSS meter is sufficient). Unique features include artificial intelligence and use of an activated sludge computer model for PID tuning.
Ekster Inc.
Fremont, CA
Tel: 510-657-7066
Web: www.srtcontrol.com
Ethernet based SCADA
The new NL100 Network Link Interface brings ethernet communication to Campbell Scientific SCADA systems. The interface is a 10baseT ethernet communication peripheral that allows the company's measurement and control units to communicate over local area networks or dedicated Internet connections using TCP/IP. In addition to ethernet, its systems can communicate via many other methods including telephone (land-line, cellular, or voice-synthesized), radio, short haul, and satellite. Because the company's instruments have their own operating systems, the measurement and control units can be programmed, without ladder logic, to perform advanced measurement and control functions.
Campbell Scientific
Logan, UT
Tel: 435-750-9510
Web: www.campbellsci.com
Frequency hopping radio
The DM-900 from Omnex Control Systems is a DIN rail mount spread spectrum 902-928 MHz frequency-hopping radio designed specifically for moving RS232 serial data. Capable of accepting a wide range of input voltages, this radio's strength lies in its ability to withstand ISM band interference while ensuring the integrity of each data packet. This is accomplished via the Omnex Iris data protocol that uses ARQ and Auto-Routing to move data accurately in hostile RF conditions.
OMNEX Control Systems Inc.
Southlake, TX
Tel: 817-949-2230
Web: www.omnexcontrols.com
Online store
A new brochure from www.iastore.com describes how this e-commerce sales portal for Invensys Process Systems can be an online productivity tool for specifying and procuring automation products, systems and services. Designed for engineers, purchasers and operations personnel, the six-page brochure explains the online process from login to checkout. The full color brochure highlights the patent-pending TeamBuy process, which allows users to create and forward "baskets" to a project team, collaborate on procurement decisions, and control "basket" operations. With more than 300,000 part numbers, www.iastore.com provides the Internet's broadest selection of industrial automation systems, software and services.
Invensys Process Systems
Foxboro, MA
Tel: 888-369-2676
Legacy server system
Process manufacturers seeking to add the latest process control technology to their legacy DCS systems can now do so using Allen-Bradley ProcessLinx OPC server-to-server communication software from Rockwell Automation. The software enables the OPC server to communicate with other control system servers. This allows process manufacturers to replace legacy DCS consoles with ProcessLogix stations incrementally as opposed to all at once - protecting prior system investment and expertise.
Rockwell Automation
Bloomington, MN
Tel: 800-223-5354
Packaged odor control
The USFilter RJ Environmental Products LO/PRO® is a patented, multi-stage, multi-chemistry wet scrubber system which can be configured to remove hydrogen sulfide, ammonia, and organic odors. Each system, constructed of premium-grade FRP vinylester resin, is factory pre-assembled and mechanically tested prior to shipment. Performance is guaranteed, with removal efficiencies in excess of 99.0% and air flow rates up to 24,500 cfm.
USFilter RJ Environmental
Poway, CA
Tel: 858-486-8500
Web: www.usfilter.com
Gas holder
Dystor gas holder systems from USFilter Envirex Products offer a unique solution to gas storage, solids handling and odor containment problems. The system includes at least two membranes.
A cable restrained outer membrane remains inflated in a fixed position. An inner membrane is free to move as it stores gas from the anaerobic digestion process. A small fan out-pressurizes the air chamber between the two membranes, and subsequently the stored gas, to the desired digester operating pressure. Systems are available either as separate gas storage units or as gas holder covers, with gas storage capacities ranging from about 4,000 cubic feet to over 500,000 cubic feet.
USFilter Envirex Products
Waukesha, WI
Tel: 262-547-0141
Web: www.usfilter.com
UV system
Suntec Environmental offers the LPX Series of UV disinfection systems, which can be used in some odor control applications. The system incorporates lamp technology which disinfects more wastewater than traditional low pressure, high output lamp designs. Space requirements are reduced and lower quality effluent can be treated. Bulbs are kept clean by a Scrapper automatic cleaning system. The company's high frequency submersible ballasts (capable of variable output) are "cooled by configuration," which eliminates the need of additional cooling systems, cabinets or buildings. This helps to reduce the overall size of the system and increase its reliability.
Suntec Environmental, Inc.
Concord, Ontario
Tel: 905-669-4450
Web: www.suntecuv.com
Modular cover system
Lemna Technologies' LemTec Modular Cover System provides a simple solution for odor problems in a variety of municipal applications. The system features a patented, floating modular cover consisting of individual casings of closed-cell extruded polystyrene insulation encapsulated between two sheets of 10-year, UV-resistant, high density polyethylene geomembrane. The design solves both ponding and ballooning problems. The cover minimizes the transfer of odiferous gases through the air/water interface and effectively controls odors without expensive gas collection equipment.
Lemna Technologies, Inc.
Minneapolis, MN
Tel: 612-253-2002
Web: www.lemnatechnologies.com
Containment cover
The Century Manhole® Containment Cover from Royal Environmental protects against manhole concrete deterioration by keeping gasses in and water out. The polyethylene cover helps maintain the structural integrity of manholes for longer life expectancy and reduced maintenance costs. It eliminates sewer outgassing for a safer environment and improved, odor-free air quality. It also significantly reduces storm water infiltration to save on water treatment costs.
Royal Environmental Systems
Stacy, MN
Tel: 800-817-3240
Web: www.royalenterprises.net
Odor control, degreaser
Sure! Odor Control & Degreaser from J.C. Whitlam is an all-natural product for dissolving grease and slime. The product controls unpleasant odors in septic tanks, cesspools, grease traps, drain fields, filter beds, lagoons, settling tanks, manure tanks and pits, and drain and waste lines. It aids in restoration of soil porosity to dispose of wastes more quickly with no harmful side effects to beneficial digestive organisms. It can also be used to clean and deodorize garbage cans, tools, machinery, equipment and garage floors. The product is available in quart cans, gallon cans, five gallon plastic buckets, 30 gallon plastic drums, and 55 gallon open head drums.
J.C. Whitlam Manufacturing
Wadsworth, OH
Tel: 800-321-8358
Web: www.whitlam-plumbpro.com
Odor control program
Ondeo Nalco's OdorTech program is a total systems approach designed to improve environmental compliance by eliminating odors associated with hydrogen sulfide, ethylamines, butylamines, mercaptans and ammonia. The program offers customized solutions to odor control problems from several different families of technology - chemical precipitation, odor neutralization, bioengineering and H2S scavenging. Chemical precipitation products are specific to hydrogen sulfide for aqueous applications. Fast to react, these products can also serve as coagulants or clarification aids.
Ondeo Nalco
Naperville, IL
Tel: 877-589-6657
Web: www.ondeo-nalco.com
Wet well odor control
Odor Control Co. has developed a powdered product that is specifically designed to attack odors that emit from wet wells. The formulation is based on environmentally safe essential oil technology. For ease of application, the powder is packaged in pre-measured water soluble bags. The bag dissolves upon contact with water, releasing the powder. In a typical application, one pound of powder is used per week per million gallons in a wet well that is pumped out every 90 minutes. The company offers a variety of odor products, including liquids, granules and powders. Its spray nozzles or WindScent sleeves can be used to administer the products.
Odor Control Co.
Scottsdale, AZ
Tel: 888-948-3956
Web: www.odorcontrolco.com
Odor resistant doors
The Bilco Type J-AL-R access door is specifically designed to contain odors and reduce the air leakage rate in wastewater processing systems and other odor emitting applications. Tested under the pressure differential of a 1 in. column of water, the door provides an air infiltration rate of less than 1.0 CFM per linear foot of frame opening. The doors feature a full EPDM gasket and are engineered for smooth, easy operation.
Bilco Company
New Haven, CT
Tel: 203-934-6363
Web: www.bilco.com
Manhole odor control
The Odor Sentry® unit from SulfaTreat is a simple manhole and small wet well odor control insert. The unit fits below the manhole lid, past steps, so it works without being seen or needing blowers. It is manufactured to fit any size or shape of entry. The lightweight components and design allows installation by one person in less than 20 minutes. It can be used in high traffic areas and moved as needed. Enforcer odor control media is used in the units to create a high-capacity and long-lasting system to treat odor problems even in aggressive receiving manholes.
SulfaTreat, A Division of M-I, L.L.C.
Chesterfield, MO
Tel: 800-726-7687
Web: www.odorsentry.com
Biofilters
Biorem recently introduced Biosorbens, a completely inorganic 10-year biofilter media. The media is used in custom pre-packaged Biofiltair and integrated modular Basys biofilter systems. A breakthrough in biofilter media, Biosorbens consists of strong, inert, hydrophilic cores that are uniform in shape and don't readily compact. In addition, the hydrophilic cores are produced with nutrient rich organic and inorganic absorbents.
Biorem Technologies
Guelph, ON
Tel: 519-767-9100
Web: www.bioremtech.com
H2S control
ADI International Inc. has released a new, low-cost means of addressing hydrogen sulfide in biogas. By blowing biogas through a filter vessel containing Media G2®, the company's patented iron-oxide coated filter media, up to 99.99% of H2S is removed. With a one minute contact time, concentrations as high as 30,000 ppm have been reduced to below 1 ppm. H2S-saturated media can be regenerated simply by blowing air through it. H2S released to air during regeneration is negligible, since the process converts it to elemental sulfur and water. At least 15 regenerations are possible, during which the media will adsorb over 50% of its weight in H2S.
ADI International Inc.
Fredericton, NB
Tel: 506-452-9000
Web: www.adi.ca
Cover system
GTI's new cover system allows tanks to be covered while providing access to the tank's internal components. Ideal for clarifiers, chlorine contact basins, sedimentation tanks, aeration basins, etc., the covers contain odors, capture VOCs, eliminate sunlight penetration, and prevent splashing. The system is a reinforced membrane cover supported on a low-profile aluminum arch frame. The UV protected membrane cover is gas tight, but can be detached and rolled up along the frame. This gives operators access to inspect and maintain internal components. The arch frames can also be removed for complete access to the tank.
Geomembrane Technologies Inc.
Fredericton, NB
Tel: 506-452-7304
Web: www.gti.ca
Launder covers
Warminster Fiberglass Co. provides custom molded or reinforced fiberglass products, including launder covers for primary clarifiers. Approximately 98% to 99% of odors generated in primary clarifiers are created as the water flows over the weirs and into the effluent trough. The primary function of the launder cover is to contain the gases. A secondary function is to form a ductwork system.
Warminster Fiberglass Co.
Southampton, PA
Tel: 215-953-1260
Web: www.warminsterfiberglass.com
Compact odor control
The new Biocube LS-100 self-contained biofiltration system provides a compact, turnkey solution to nuisance hydrogen sulfide removal for wastewater lift stations and other low-volume facilities. The system arrives fully assembled on a 6 x 6 ft. skid. Utility personnel can install it within a few hours. The LS-100 handles up to 100 CFM with 99% H2S removal efficiency at 15 ppm (50 ppm peaks). Higher capacity configurations are available. Extended-life organic media boasts a 3-year service life and oxidizes over 60% of its own weight in H2S.
Biocube, Inc.
Victor, NY
Tel: 716-924-2220
Web: www.biocube.com
Odor control
USFilter's Bioxide-AQ is a liquid phase odor control process ideal for elimination of dissolved hydrogen sulfide in wastewater collection systems and treatment plants. When the product is introduced via a custom designed dosing system, the microbial wastewater populations are improved to prevent the formation of hydrogen sulfide and biochemically remove any dissolved sulfide introduced from untreated sources. The product has proven successful in a variety of wastewater applications, including force mains, gravity interceptors, primary clarifiers, lagoons and sludge storage tanks. The product contains no hazardous substances as defined by the EPA's CERCLA list and is exempt from Federal DOT placarding requirements.
USFilter Davco Products
Thomasville, GA
Tel: 912-226-5733
Web: www.usfilter.com
Odor containment covers
Vapor Guard odor containment covers are shown installed on two 20 ft. x 100 ft. aeration/EQ tanks at the Exeter Township WWTP in Birdsboro, PA. The Vapor Guard structural-fabric covers were selected over competing aluminum and fiberglass covers. The covers feature heat-sealed seam construction and large, removable modular cover sections for tank maintenance. Access hatches are positioned to meet operator requirements for process observation and sampling.
ILC Dover, Inc
Frederica, DE
Tel: 800-631-9567
Web: www.ilcdover.com
Odor control
BetzDearborn's new ProSweet technology helps remove objectionable odors from municipal waste streams. The product neutralizes hydrogen sulfide, mercaptans and other acidic compounds, and reduces sulfur compounds to reduce or eliminate odors. It requires no pH adjustments or special equipment to feed. It contains no metal salts or oxidizers to corrode equipment, lower pH levels, remove biological nutrients, create handling problems or generate sludge that can increase waste disposal costs.
BetzDearborn
Trevose, PA
Tel: 215-953-2396
Web: www.betzdearborn.com
Integrated odor control
Calgon Carbon offers integrated systems for odor control. Consisting of multiple stages of various technologies, each system is tailored to a specific treatment problem. Integrated systems may include Calgon products such as Phoenix, as well as chemical scrubbers, counteractant systems, and other technologies to provide complete odor treatment, whether the odor is hydrogen sulfide, ammonia, organic compounds, or a combination of all of these.
Calgon Carbon Corporation
Pittsburgh, PA
Tel: 412-878-6737
Web: www.calgoncarbon.com
Biosolids odor control
VX-456 from Vulcan Performance Chemicals is designed to yield a sustained slow release of chlorine dioxide to control odor-causing sulfides and related oxidizable compounds in biosolids treatment systems. The product is a selective oxidant with specificity to sulfides, prevents regeneration of odors and does not form chlorinated organics. It is injected directly, applied as a spray, or fogged above the surface.
Vulcan Performance Chemicals
Birmingham, AL
Tel: 205-298-3000
Web: www.vul.com
Plastic media
A new style of plastic media, specially manufactured for biological filter applications, has been introduced by Jaeger Products. The company's Cascade Bio-Rings provide a surface area for a biomass to attach and grow. The rings are designed to provide greater void areas for the sloughing of biomass to pass while providing an optimum surface for biomass growth.
Jaeger Products Inc.
Houston, TX
Tel: 800-678-0345
Web: www.jaeger.com
Access covers
Halliday Products offers a variety of access covers sturdy enough for day-to-day usage and spring assisted for easy opening. Type-316 stainless steel hardware, 300 psf loading, and a lifetime warranty are standard features. H-20 loading is optional. All-aluminum and stainless construction assure virtually maintenance-free performance. The company's access covers resist corrosion and are used both in clean and wastewater applications. The Series W1S model, with an odor-resistant gasket, is the newest addition to the company's access cover line.
Halliday Products, Inc.
Orlando, FL
Tel: 800-298-1027
Web: www.halliday.com
