Table of Contents

WaterWorld

01/01/2003
Volume 3, Issue 1
iww41_cover
  • Features

    • New Water Quality Trading Policy Designed to Reduce Compliance Costs
      The U. S. Environmental Protection Agency has released a new Water Quality Trading Policy to cut industrial, municipal and agricultural discharges into the nation's waterways.
    • EPA Proposes to Scrap Revised TMDL Rule
      The U.S. Environmental Protection Agency (EPA) is proposing to withdraw the July 2000 final rule which revised EPA's Total Maximum Daily Load (TMDL) program under the Clean Water Act. The 2000 rule was determined to be unworkable based on reasons described by thousands of comments and was challenged in court by some two dozen parties.
    • AMSA, DC Water Agency File Joint Brief in Key Clean Water Case
      The Association of Metropolitan Sewerage Agencies (AMSA) and member agency the D.C. Water and Sewer Authority (DC WASA) filed a joint amicus brief recently in the D.C. Circuit Court case, Friends of the Earth (FoE) v. EPA, in which citizen groups assert that total maximum daily loads (TMDLs) — discharge limits developed under the Clean Water Act — must be expressed in 24-hour daily load form.
    • System Offers Flexible Treatment for Various Industrial Wastes
      A new custom designed aerobic wastewater treatment system provides stable operation and flexible process options that can be tailored to meet the specific requirements for industrial wastes.
    • Guide to Selecting Membrane Separation Technologies
      Over the last 20 years, industry, in particular, has undergone a paradigm shift with regard to the need for water reuse. Words like "recycle", "resource recovery" and "conservation" have crept into the consciousness of process design and environmental engineers, even top management. This is partially fueled by pollution control legislation, but also out of a sense of environmental stewardship as well as the economic reality that throwing water away can be expensive over the long run.
    • Improving Pump Reliability with Metal Filled Graphite Wear Parts
      In the past 15 years the use of self-lubricating bushings and case rings in single and multistage horizontal boiler feedwater pumps has moved from a curiosity to an accepted standard. The change was driven by operational practices that have placed severe demands on the traditional horizontal multistage pump.
    • Company Orders New Wastewater Treatment System
      Technologies from USFilter's Jet Tech Products will allow Tyler Mountain Water of Paducah, KY, to treat water with high biochemical oxygen demand (BOD) wastes from plant processes.
    • ITT Industries Acquires PCI Membranes
      ITT Industries has acquired the assets of PCI Membranes from Thames Water. The PCI Membrane products complement ITT Industries Fluid Technology's pumps, mixers, aeration equipment and wastewater process systems, and will provide significant expansion opportunities for ITT Industries' Sanitaire in the growing filtration and disinfection segments.
    • Koppers Industries Settles Environmental Violation Claims
      Koppers Industries has agreed to pay the United States $2.9 million to resolve allegations of numerous violations of several environmental regulations at many of the company's U.S. facilities and committed to carry out an environmental management system (EMS), the Justice Department and Environmental Protection Agency (EPA) announced recently.
  • Product & Services Features

  • Case Studies

    • High-Efficiency Reverse Osmosis Treats Gray Water for Power Generation
      The Bajio Power Project, a 600 MW combined cycle project located in San Luis De La Paz, Mexico, is in an arid area with limited water resources. Ground water is not permitted for industrial and power generation purposes. The only supply for boiler feed was silica-laden secondary treated sewage gray water.
  • Product Showcase

  • Viewpoint

    • EPA, Corps Focus on Wetland Protection
      After being stung by a court case that limited federal authority over certain isolated wetlands, EPA and the Corps of Engineers have begun work on new programs to "reaffirm" federal authority over the vast majority of America's wetlands.
  • New Products

    • New Products
      Phoenix Contact now offers the MCR-RAD, an integrated radio and I/O module designed to eliminate cable and conduit for analog and digital signals in harsh industrial environments.

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