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Treatment of Landfill Leachate Through Integrated Chemical, Biological and Physical Processes

Author: CaoYuan
Tutor: LiXiuJin
School: Beijing University of Chemical Technology
Course: Environmental Engineering
Keywords: Landfill leachate SBR Stripping Coagulation Activated carbon adsorption
CLC: X703
Type: Master's thesis
Year: 2006
Downloads: 222
Quote: 1
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Abstract


Complex landfill leachate water quality , the high concentration of organic matter , high ammonia content ; quality and quantity changes . Its processing is one of the difficulties of treatment at home and abroad . Home and abroad there is no very mature and improve the process of processing leachate . Test as an object of study in Beijing Liulitun landfill leachate , biological treatment is the core of the process , materialized - Biochemical Composite Process design ideas . \The the stripping - Coagulation SBR Coagulation - adsorption materialized - Biochemical combination process . Determine the optimum operating condition of the various processes . \= 8.0 , dosage of 500mg / L , precipitation clarify 100min can achieve the best effect of pollutant removal . The SBR Law HRT 42h, the volume load rate Nv 1.15kgCOD / m 3 d influent pH is about 7.8 . PAC dosage of 0.5 mg / L , the amount of aeration treatment effect under the conditions of 90L / h . The coagulation - powdered activated carbon adsorption PFS as coagulant, pH 10.0 , the dosage of 1250mg / L ; adsorbent KC-87 hard Nutshell powdered activated carbon ( 200 mesh )

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > General issues > Wastewater treatment and utilization
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