First algae harvest at wastewater biofuel All-gas project in Spain

The EU-backed All-gas project, in southern Spain, claimed to be the largest in the world to convert algae into energy using wastewater, has successfully grown its first crop of algae biomass at its...

Breeding Better Bugs: Is Tiny Bacterium the Next Big Thing in Nitrogen Removal?

Anammox, a microbial process of the nitrogen cycle, directly converts ammonium to nitrogen gas, requiring no organic carbon and minimal use of energy, and is gaining a lot of traction in wastewater...

Oxygen injection system

The SOLVOX® process from Linde North America injects 100% oxygen (O2) in water to efficiently decrease BOD and dissolve organics and odors.

Oxidation ditch

The Orbal® multichannel oxidation ditch from Siemens, as a complete mixed, looped reactor system, is well-suited for conventional activated sludge, advanced secondary sludge treatment, simultaneous...

Major WI wastewater treatment plant requests $4.5M in upgrades

The village of Elmood, Wis., has requested a $4.5 million upgrade to a major WWTP from the Department of Natural Resources.

Motion control, power transmission

Altra Industrial Motion's new brochure provides wastewater engineers and technical professionals with an overview of the wide array of power transmission and motion control solutions offered by Alt...

Sludge scraping

The Zickert Shark™ provides an innovative solution for sludge scraping in rectangular tanks and lamella plate clarifiers.

Screw press

The ACAT screw press is now available in the U.S., Canada and Mexico exclusively through Kusters Water, a division of Kusters Zima.

Sequencing Batch Reactor: When Size Does Matter

Bowling Green Municipal Utilities was dewatering waste solids generated at their wastewater treatment plant and hauling the dewatered cake to a landfill for disposal, but costs for transportation a...

Vigo wastewater plant helps Cambi break into Spanish THP market

Vigo's new treatment that will help eliminate untreated wastewater being discharged into a local estuary has contracted Cambi to provide sludge treatment for 22,000 tons per year...




Gravabelt Gravity Belt Thickeners reduce sludge volume of biosolids and waste activated sludge and produce a pumpable concentrate for dewatering, treatment, or transport.