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Latest Sludge Stories

2009-08-13 12:51:02

High-rate digestion with microfiltration is state-of-the-art in large sewage plants. It effectively removes accumulated sludge and produces biogas to generate energy. A study now reveals that even small plants can benefit from this process. Sewage plants remove organic matter from wastewater. If the accumulating sludge decays, biogas is generated as a by-product. However, only 1156 of the 10,200 sewage plants in Germany have a digestion tank. Smaller operations, especially, baulk at the...

2009-07-29 14:46:00

SEATTLE, July 29 /PRNewswire/ -- WI Environmental LLC., a company dedicated to the treatment of heavy metal contaminates, announces it has a product to actualize the clean up of Puget Sound as well as assist worldwide in the remediation of contaminated soil, water and air. WI Environmental has created a trademarked product to solve the world's problems with heavy metal contamination. The signature product- XR-88(TM) encapsulates and renders benign a multitude of toxic heavy metals and...

2009-07-23 08:28:00

PASADENA, Texas, July 23 /PRNewswire/ -- TechCorr USA, LLC. (www.techcorr.com) announced today that it is now offering a new service line called the "Sludge Profiler." The Sludge Profiler is specifically used to calculate the amount, location and topology of built up sediment (sludge) in above ground storage tanks. When performing maintenance and inspections on tanks, removal of sludge in the tank cleaning stage is required. If the amount of sludge to be cleaned from a tank is not...

2009-07-16 10:51:26

Waste from the textiles industry could with the assistance of earthworms and some animal manure become a rich compost for agriculture, according to a report in the International Journal of Environment and Pollution.Most gardeners will tell you the earthworm is their best friend as it aerates the soil and helps break down compostable materials so releasing nutrients for improved plant growth. One particular species of earthworm, known as Eisenia foetida, thrives in rotting vegetation, compost,...

2009-07-07 06:00:00

VANCOUVER, July 7 /PRNewswire/ - Nexterra (www.nexterra.ca) announced today that it has successfully completed testing of biosolids as a potential new fuel source for its proprietary gasification technology. The first phase of testing took place last month at Nexterra's product development centre in Kamloops B.C., using biosolids from Metro Vancouver (www.metrovancouver.org), who selected Nexterra's gasification technology to pilot this initiative. Nexterra is actively developing a new...

2009-07-02 10:48:53

State and federal environmental agencies say testing has uncovered farm soil in northwest Missouri that is contaminated with chromium 6. The Kansas City Star said while agency officials confirmed the contaminated soil discovery at a news conference Wednesday, they downplayed the possibility of related health problems. We'll know a lot more after the next round of testing, Scott Clardy of Missouri's Department of Health and Senior Services said. But at this point in time, we don't expect any...

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2009-06-30 06:14:11

Dangerous coal ash storage ponds are lurking in 26 U.S. communities, according to the Environmental Protection Agency on Monday. Just last year, a coal ash storage pond flooded a neighborhood in Tennessee. Coal ash, a product of burning coal, is kept in liquid, in containment ponds or dams. The public list says North Carolina has the most sites on the list, weighing in at a dozen. The EPA lists more than 400 such impoundments across the country, but the 44 singled out Monday represent those...

2009-05-29 21:37:12

An antibiotic resistant bacteria was found in 79 percent of Swedish sewage sludge samples tested, researchers in Scandinavia say. Study leader Leena Sahlstrom of the Finnish Food Safety Authority, working with the Swedish National Veterinary Institute, says the danger the bacteria -- vancomycin resistant enterococci -- present in the wastewater treatment by-product and used as a fertilizer or soil conditioner could pass its superbug resistance genes to other bacteria in the human food chain....

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2009-05-29 10:14:41

Vancomycin resistant enterococci (VRE) have been found in sewage sludge, a by-product of waste-water treatment frequently used as a fertilizer. Researchers writing in the open access journal Acta Veterinaria Scandinavica point out the danger of antibiotic resistance genes passing into the human food chain. Leena Sahlström, from the Finnish Food safety Authority, worked with a team of researchers from the Swedish National Veterinary Institute to study sewage sludge from a waste-water...

2009-05-07 10:00:00

BUENOS AIRES, Argentina, May 7 /PRNewswire/ -- With the rapid evolution of some industrial sectors and the introduction of tighter legislations, the sludge treatment equipment markets in Brazil are witnessing steady growth. Despite the economic downturn, the market is expected to become more competitive, and opportunities have been unfolding for key participants and new entrants. As market dynamics become more complex with emerging niche demands, equipment manufacturers are striving to...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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