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Recently, the membrane separation system of the sulfur recovery unit of Zhongke (Guangdong) Refinery Co.
, Ltd.
was officially put into use, which solved the problem of high load of the sewage stripping unit
.
The sulfur recovery unit of Zhongke Refinery adopts ammonia desulfurization
.
Since the device was put into operation, the condensed water of the sulfur recovery device must be treated by the sewage stripping device before it can be discharged, which increases the energy consumption and load of the device
.
To this end, Zhongke Refinery added a membrane separation system to treat the condensed water produced by the device
.
The system adopts thin-film nanocomposite (TFN) special membrane separation and concentration technology, and is deeply customized and optimized for ammonium sulfate-containing desulfurization wastewater
.
After the ammonium sulfate-containing concentrated water is deeply concentrated by the membrane, the ammonia nitrogen can be reduced to less than 10 mg/L, and at the same time, the energy consumption of subsequent evaporation and crystallization is reduced, the cost is saved, and the goal of zero discharge of waste water is achieved
.