Residuals are the by-products of a wastewater treatment process, including sludge and septage. Polymers are used for industrial water treatment as scale inhibitors in stressed cooling water. They do ...
magnesium and iron by heat treatment of sewage sludge. These previous investigations suggested that the process of volatilization, in which different elements are selectively converted into ...
Operating costs, including sludge conditions for vacuum filtration, are usually higher than other processes. However, vacuum filters are independent of seasonal conditions, require a small area, and ...
Sewage sludge is also used for biomass power generation, but only 4.5 percent of sewage treatment plants have adopted the method because it is not efficient enough.
The sludge from the clarifier is pumped out ... screening process (this is done to protect equipment and make the treatment process more efficient). Air is introduced into the waste stream to ...
NAGOYA--Sludge generated through sewage treatment is set to be marketed by city officials here as the perfect fertilizer rich in nitrogen and phosphorus. Nitrogen is an indispensable ingredient ...