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Aiming at the status that the pollution of wastewater from livestock and poultry raising is going from bad to worse in China, some treatment technologies such as irrigation to farmland, natural treatment and industrialized treatment were reviewed. Considering the practical situation in China, it was suggested to currently prioritize irrigation to farmland and natural treatment. To establish databases...
Adsorption behavior of chitosan composite fly ash (CCF) in adsorption of reactive brilliant blue wastewater were investigated. CCF was characterized by means of SEM and FTIR. Results showed that particle size of CCF is about 2–15µm. The isothermal adsorption follows the isothermal adsorption model of Langmuir. Enthalpy change at adsorption tempertures in range of 288–318K is −21.97 kJ mol−1, which...
In this study, the optimum conditions, the decolorization rate and the possible degradation mechanism were explored for the degradation of Acid Red B by the combined technology of ozonation and high voltage pulsed discharge (HVPD). The results suggested that the decolorization rate of the Acid Red B fitted the pseudo-first-order kinetics with initial dye concentration. The optimum ozone dose and pH...
Two kinds of pilot subsurface wastewater infiltration system (SWIS), named group A and group B were constructed in the laboratory. Group A was filled with mixed substrates composed of 80% meadow brown soil (MBS) and 20% cinder, while 80% MBS and 20% sand in group B. Both of the SWIS worked stably in an intermittent feeding mode during the period of the experiment. Under the hydraulic loading of 8-10m...
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