Method for recycling bromine from bromine-containing wastewater of brominated butyl rubber
A technology of bromobutyl rubber and waste water, applied in chemical instruments and methods, bromine/hydrogen bromide, water/sewage multi-stage treatment, etc., to achieve the effects of cost reduction, consumption reduction, and good economic benefits
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[0018] Embodiments of the present invention provide a method for reclaiming bromine from brominated butyl rubber bromine-containing wastewater, comprising the following steps:
[0019] Pretreatment: pass brominated butyl rubber bromine-containing wastewater into the air flotation device, add coagulant to remove large particles of colloidal substances and organic pollutants, and then pass the effluent from the air flotation device into the security filter for filtration , so that the turbidity of the effluent is less than the preset value; specifically, firstly, brominated butyl rubber bromine-containing wastewater is passed into the air flotation device, and coagulant is added to the air flotation device to make the colloidal particles suspended in the bromine-containing wastewater Substances aggregate into larger particles. Under the action of microbubbles, the particulate matter floats to the water surface and is removed. At the same time, the air flotation device can remove ...
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