نتایج جستجو برای: granular carbon
تعداد نتایج: 304604 فیلتر نتایج به سال:
A biofilter packed with granular activated carbon (GAC) was applied to eliminate volatile-sulfur compounds (VSC) emitted from solid-liquid separation tank in swine wastewater treatment system. Hydrogen sulfide, methanethiol, dimethyl disulfide, and dimethyl sulfide were effectively reduced to 96-100% at gas residence times of 13-30s. Elemental sulfur and sulfate are their primary oxidation meta...
Materials: Chemicals were purchased from Sigma-Aldrich BV and used as received: the surfactants, sodium bis(2-ethylhexyl)sulphosuccinate (Na-AOT, 99%) and 4(1,1,3,3-Tetramethylbutyl)phenyl-polyethylene glycol (Triton-X 100, 99.999%); the solvents, n-heptane (99.9%) and toluene (≥99.5%); the metal precursors, chloroplatinic acid hydrate (99.9%), iron chloride (≥99%), cobalt acetate tetrahydrate ...
An integrated fluidized bed bioreactor (iFBBR) was designed to incorporate an aerobic sponge FBBR (ASB-FBBR) into an anoxic granular activated carbon FBBR (GAC-FBBR). This iFBBR was operated with and without adding a new starch based flocculant (NSBF) to treat synthetic primary treated sewage effluent (PTSE). The NSBF contains starch based cationic flocculants and trace nutrients. The results i...
Efficiency of advanced wastewater treatment technologies to reduce micropollutants which mediate dioxin-like toxicity was investigated. Technologies compared included ozonation, powdered activated carbon and granular activated carbon. In addition to chemical analyses in samples of effluents, surface waters, sediments, and fish, (1) dioxin-like potentials were measured in paired samples of efflu...
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