biosolids land application Articles
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A combined reed bed/freezing bed technology for septage treatment and reuse in cold climate regions
A combined reed bed-freezing bed (RB-FB) technology was effective at treating septage under Canadian climatic conditions over a 5-year period with average loading rates of 82–104 kg TS/m2/y. Varying hydraulic and solid loading rates as well as the increasing sludge cake with time had little to no effect on treatment efficiency, with almost complete removal of organic matter, solids, heavy ...
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Preliminary evaluation of biosolids characteristics for anaerobic membrane reactors treating municipal wastewaters
This study assessed the characteristics of biosolids of a pilot-scale anaerobic membrane bioreactor (AnMBR) treating municipal wastewater. The production of total solids (TS) and volatile solids (VS) was comparable to that reported for the extended aeration system at solids residence time (SRT) longer than 40 days. The yields of TS and VS were reduced as SRT increased from 40 to 100 days and ...
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Aerzen USA, Albertville WWTP - Case Study
Segment: Environmental engineering Problem: WWTP uses fuel boilers Solution: AERZEN Biogas packages Results: Reduces operating cost by using biogas solution Background Albertville, Ala., is a small city on Sand Mountain, a 26-squaremile plateau in the northeast corner of the state. The Municipal Utilities Board (MUB) of Albertville operates the MUB Waste Water Treatment Plant (WWTP), an 11.5 ...
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Economic assessment of sludge handling and environmental impact of sludge treatment in a reed bed system
The effect on the environment of the establishment and operation of a sludge treatment reed bed system (STRB) is quite limited compared to mechanical sludge dewatering, with its accompanying use of energy and chemicals. The assessment presented here of the investment, operation and maintenance costs of a typical STRB, and of the related environmental impact, is based on the experiences gained ...
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