Iron and steel enterprise high-salinity wastewater treatment process
A high-salt wastewater treatment technology, applied in metallurgical wastewater treatment, multi-stage water treatment, water/sewage treatment, etc., can solve problems such as shortening the service life of equipment, shortage of water resources, affecting heat exchange effect, etc. The effect of alkali purchase cost, realization of resource utilization, and stable treatment effect
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[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them.
[0038] A steel company produces concentrated salt produced in the process of preparing desalted water by ultrafiltration and reverse osmosis with a pH value of 7.8, a conductivity of 6250 μs / cm, a COD value of 150 mg / L, a sulfate radical of 1600 mg / L, and ammonia nitrogen of 30
[0039] mg / L, fluoride ion 15mg / L, total nitrogen 60mg / L, calcium ion concentration 630mg / L, magnesium ion concentration
[0040] 110mg / L.
[0041] The high-salt wastewater treatment process of the present invention is used to treat the above-mentioned concentrated brine, and the main process flow is as follows:
[0042] (1) The high-salt wastewater enters the regulating pool to adjust and buffer the water volume and wate...
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