نتایج جستجو برای: ph neutralization
تعداد نتایج: 179603 فیلتر نتایج به سال:
The oxidation of elemental sulfur by Thiobacillus thiooxidans was studied at pH 2.3, 4.5, and 7.0 in the presence of different concentrations of various anions (sulfate, phosphate, chloride, nitrate, and fluoride) and cations (potassium, sodium, lithium, rubidium, and cesium). The results agree with the expected response of this acidophilic bacterium to charge neutralization of colloids by ions...
A pilot-scale plant consisting of an oxidation basin (OB), a neutralization basin (NB), a reaction basin (RB), and a settling basin (SB) was designed and built to conduct pilot-scale experiments. With this system, the effects of aeration and pH on ferrous oxidation and on precipitation of the oxidized products were studied systemically. The results of pilot-scale tests showed that aeration at 3...
The pH of wastewater needs to remain between 6 and 9 protect water organisms. Condensates from a gas condensing boiler have value about 3. An optimal way neutralize the acid condensate is use cheap material such as dolomite. old-style neutralization box (NB) was tested with standard faction However, it did not sufficiently condensate. Therefore, several tests were performed involving changes co...
The neutralization titer of a hemagglutinin (HA)-specific neutralizing antibody against new isolates reflect both the antigenic drift and the conformation status of HA protein in these new influenza viruses. Since most antigenic sites are in the HA1 domain of HA, using HA1 domain of influenza virus as antigen is of great importance in vaccine development. In this study, we investigate different...
A distributed model of solid waste digestion in a 1-D bioreactor with leachate recirculation and pH adjustment was developed to analyze the balance between the rates of polymer hydrolysis/acidogenesis and methanogenesis during the anaerobic digestion of municipal solid waste (MSW). The model was calibrated on previously published experimental data generated in 2-L reactors filled with shredded ...
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