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Article: New chemical technology study results from K.U. Do et al described.(Report)
- Article from:
- Chemicals & Chemistry
- Article date:
- October 16, 2009
CopyrightCOPYRIGHT 2009 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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"Reduction of excess sludge production has become an urgent issue. An investigation into the influence of thermochemical sludge pretreatment on sludge reduction in a bench-scale anoxic-aerobic membrane bioreactor was performed," scientists in South Korea report.
"Two systems were operated. In one system, part of the mixed liquid (1.5% of the influent flow rate) was pretreated thermochemically (at 80 degrees C, pH 11 and 3 h) and returned to the bioreactor. This study examined and evaluated the effect of thermochemical sludge pretreatment on the reduction of excess sludge and on the performance of the system. The average solubilization efficiency of the pretreated ...
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