Global Trends in Sulphur-Alkaline Wastewater Treatment
At present the sulphur-alkaline wastewater clearance becomes a serious environmental problem for different industries. Sulphur-alkaline wastewater (SAW) is the most contaminated water, which forms in large quantities during the leaching of crude oil at refineries and petrochemical plants. The most toxic components of SAW are sulphur compounds as sodium sulphide and alkali metal mercaptides (30 g/l). Highly concentrated sulphur-alkaline wastewater have a specific composition of polluting components, which does not allow for cleaning along with other effluents. Low efficiency of SAW disposal methods used at many enterprises on the one hand and strict environmental standards on the other hand stimulate researches into this problem in order to find the most relevant solution.
Our reader can obtain the full information in the latest issue (#5, 2013 (77)).
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