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NO adsorption over powder activated carbon in a fluidized bed reactor has been studied. NO could be adsorbed by fluidized powder activated carbon. This study showed that lower reaction temperature gave more amount of NO adsorption. When no oxygen was present, the amount of NO adsorption was little. With increasing oxygen content, the amount of NO adsorption increased. Although NO2 was not detected...
Immobilized microorganism technology is an effective method of removing water pollutant in source waters. The effect of biologically immobilized ceramic particles is better in removing the pollutant than simple filter or engineering bacteria liquid, due to the two factors including the adsorption and entrapment function of the filter materials in the biofilter and the biodegradation of the microorganisms...
Methyl tert-butyl ether(MTBE) is widely used as gasoline additive. Surface waters in China were polluted by MTBE with different degrees. MTBE was found to be one of the most resistant towards molecular ozone attack and difficult to be degraded by microbe. In this study, experiments were carried out to investigate the removal efficiency of MTBE by catalytic ozonation in the presence of two kinds of...
The aim of this paper is to study SO2 adsorption by the activated carbon (AC) in the circulating fluidized bed reactor. Five different kinds of activated carbons were chosen to determine whether activated carbon could be used effectively to remove SO2 from coal combustion flue gas. The fluidized bed reactor was used to study the capability of AC in SO2 removal with concentrations of SO2 (1000 ppm),...
The adsorption processes at different inflow of chemical oxygen demand (COD) were investigated, using an adsorption-biodegradation anaerobic sequencing batch reactor (AB-ASBR) operated at mesophilic temperature. Results indicated that COD removal by adsorption could reach to maximum value no longer than 20 min, and the kind of substrates, the agitating condition, the sludge amount together with the...
The adsorption processes at different inflow of chemical oxygen demand (COD) were investigated, using an adsorption-biodegradation anaerobic sequencing batch reactor (AB-ASBR) operated at mesophilic temperature. Results indicated that COD removal by adsorption could reach to maximum value within 20 min, which related to the kind of substrates. With glucose as substrate, the maximum COD adsorption...
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