VACUUM nitration of sewage sludge, particularly surplus activated sludge from the activated sludge process of sewage treatment, is a well-established process, particularly in the United States, for ...
AZoCleantech on MSN
Naturally Formed Sludge Shows Surprising Power in Water Purification
This study reveals the potential of natural sludge from wetlands as an effective, low-cost material for wastewater ...
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