RICHLAND — Workers at south-central Washington’s Hanford nuclear reservation have finished vacuuming radioactive sludge from one of two basins near the Columbia River. The K East and K West basins ...

Septage (septic-tank waste) was chemically conditioned with either aluminum sulfate, ferric chloride, or sulfuric acid. Supernatant was decanted and the thickened sludge vacuum filtered or mixed with ...

The city of Houston collects excess activated sludge from 13 separate wastewater plants for vacuum filtering at 4 sludge disposal plants. Transportation of these sludges is largely accomplished by ...

MALACCA: A newly-acquired sludge vacuum tanker was the highlight during the recent cleaning operation launched to spruce-up famous Jonker Walk here. Solid Waste Management and Public Cleansing ...

The U.K. tested a new nuclear sludge removal facility, which can solve its nuclear waste problems. View taken on 28 November 2005 of a sign informing of the radioactivity of packages transported in a ...

IT is interesting to know 1 that the results of experiments on the aeration of sewage sludge, as a preliminary to coagulation and vacuum filtration, may shortly be published by the Rivers Department, ...