Reverse osmosis membrane treating and recycling method for printing and dyeing wastewater
A technology for reverse osmosis membrane, printing and dyeing wastewater, applied in water/sewage treatment, water treatment parameter control, special compound water treatment, etc. It can improve the recycling rate, avoid the collapse of the biological treatment system, and solve the problem of meeting the emission standards.
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[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0028] like figure 1 Shown is the flowchart of the present invention,
[0029] A reverse osmosis membrane treatment and reuse method for printing and dyeing wastewater, comprising the following steps:
[0030] Step 1. Adsorption reaction: Take the effluent from the printing and dyeing wastewater treatment system, enter the adsorption pool for adsorption reaction, remove the organic matter in the wastewater, and obtain the adsorbed effluent; the adsorption pool uses multiple reaction pools to operate in parallel. When the saturation fails, take it out for dehydration, and enter the regeneration equipment for regeneration and reactivation.
[0031] The adsorption material in the adsorption pool is granular activated carbon, and the natural loss of each regeneration of granular activated carbon is 5-10%.
[0032] The adsorption material can al...
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