SLUDGE HANDLING ARTICLES

Singapore deep tunnel phase II: consultants eagerly await tender decision

Major engineering consultancies are eagerly anticipating a tender decision from utility PUB for the construction of the second phase of Singapore’s Deep Tunnel Sewerage System (DTSS)...

Retrofitted oil and gas tankers: the future for mobile water treatment?

A Norwegian company believes that retrofitting old oil tankers with water treatment technology could create mobile treatment facilities and prevent the environmental challenge of shipping disposal...

Resource Spotlight

HDR's Joe Cleary has authored a new book, "Activated Sludge Technologies for Treating Industrial Wastewaters – Design and Troubleshooting," for students, plant operators and engineers ...

Recommended Reading: New Book Examines Activated Sludge Technologies for Treating Industrial Wastewaters

The activated sludge process for treating municipal and industrial wastewater dates back more than 100 years.

Unearthing Answers: Level Loggers Provide Insight into Mine-Water Discharge

During the past 40 years, many underground coal mines throughout the Appalachian region -- mainly in the states of West Virginia, Pennsylvania and Maryland -- have closed due to a variety of factors.

Micro- or Ultrafiltration and Reverse Osmosis: A Popular Combination for Industrial Treatment

The shale gas revolution is leading to rapid transition from coal to natural gas in the power industry and also to significant expansion of other industries including petrochemicals.

Pulp & Paper: A Look at Wastewater Treatment Trends and Technologies

There are many industrial processes in use across the nation and around the world that discharge large amounts of wastewater effluent into local waterways and ground soil.

Creative Conserving: Exploring Innovative Sustainability Practices in the Pulp & Paper Industry

According to the U.S. Environmental Protection Agency (EPA), the paper industry is the single largest user per ton of product of industrial process water in the United States.

Biosolids better managed in SW Florida with new organics composting plant

A new $4.3-M organics composting recycling center was built in Southwest Florida to recycle organics such as biosolids through aerobic composting.

Sludge to energy plant operation awarded in Yangzhou, China

The joint venture Yangzhou Sino French Environment Company (Yangzhou Sino French) has won a 30-year contract worth €234 million to operate the Yangzhou sludge-drying plant...

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GRAVABELT® GRAVITY BELT THICKENER

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