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Tributyl phosphate extraction method and treatment of wastewater containing phenol phenolic resin

by:Deyuan      2020-08-20
Tributyl phosphate because of its nature is stable, so is the research focus in the extracting agent containing phenol wastewater treatment. Tributyl phosphate extraction method and treatment of wastewater containing phenol in phenolic resin with high selectivity, low cost, etc. Series of oil-water ratio, temperature, extraction, extraction time, and many other factors will have great influence on the extracting.
tributyl phosphate extraction method and treatment of wastewater containing phenol in phenolic resin with different concentrations of distribution coefficient of wastewater containing phenol phenolic resin for industrial wastewater phenol concentration in larger range will have change, so the extracting agent of different concentrations of phenol waste water to have a stable distribution coefficient. Under the condition of acid, phenol keep the molecular properties, which can be with tributyl phosphate ester complexing reaction. In acidic pH change, within the scope of influence on the effect of tributyl phosphate ester extraction phenol is weak, the basic can be ignored. Tributyl phosphate ester on the concentration of phenol in a larger range has high and stable distribution coefficient.
with the increase of the oil and phenol residual concentration decreases, the partition coefficient of phenol in tributyl phosphate ester increases, this is because the phenol molecules have more tributyl phosphate fat molecules around, increased the risk of hydrogen bond association. But although increasing oil-water ratio has good extraction effect, but greatly reduces the capacity of a single wastewater, with tributyl phosphate extraction processing phenolic resin in addition to considering the effect of wastewater containing phenol in managing efficiency, so the oil-water ratio choose more suitable for industrial practical 1:3.
the article source: network
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