Desulfurization and desalination treatment system and method for gas field wastewater containing surfactants
A surfactant and treatment system technology, applied in mining wastewater treatment, chemical instruments and methods, water/sewage multi-stage treatment, etc., can solve problems such as human health impacts and hazards, and achieve stable treatment effects, good treatment effects, small space effect
Pending Publication Date: 2019-06-11
北京沃特普特环境科技有限公司
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Problems solved by technology
Oil pollutants in gas field wastewater, such as phenol and benzene, can cause dizziness, nausea, headache and other symptoms, which have a huge impact on human health and bring serious harm
Method used
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[0026] Below with the accompanying drawings ( figure 1 ) and Examples illustrate the present invention.
[0027] figure 1 It is a structural schematic diagram of a desulfurization and desalination treatment system for gas field wastewater containing surfactants according to the present invention. Such as figure 1 As shown, a desulfurization and desalination treatment system for gas field wastewater containing surfactants includes a coagulation air flotation filtration pretreatment unit 21, a mesoporous media adsorption unit 22, an evaporation crystallization unit 29 and an oxidation unit 52 connected in sequence. The condensate air flotation filtration pretreatment unit 21 has a gas field wastewater inlet 1, the oxidation unit 52 has a clean water outlet 53, and the evaporation crystallization unit 29 includes a heater 35, a vapor-liquid separator 38, a separation crystallizer 43 and a compressor 46, the heater 35 has a recycled steam inlet 36 and an eleventh treated water...
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The invention discloses a desulfurization and desalination treatment system and method for gas field wastewater containing surfactants. The system and method can continuously treat gas field wastewater by integrated low energy consumption operation technology, and the system comprises a coagulation air flotation filtration pretreatment unit, a mesoporous medium adsorption unit, an evaporative crystallization unit and an oxidation unit which are sequentially connected, wherein the evaporative crystallization unit comprises a heater, a vapor-liquid separator, a separation crystallizer and a compressor, the heater has a recycled steam inlet and an eleventh treatment water outlet, the recycled steam inlet is connected with the compressed recycled steam outlet of the compressor, the compressoris connected with a recycled steam outlet of the vapor-liquid separator, the eleventh treatment water outlet is connected with the vapor-liquid separator, the vapor-liquid separator comprises a separated liquid outlet, a first evaporative condensate water outlet and a mother liquor circulation inlet, the separated liquid outlet is connected with the separation crystallizer, the separation crystallizer has a solid salt outlet and a mother liquor circulation outlet, and the mother liquor circulation outlet is connected with the mother liquor circulation inlet.
Description
technical field [0001] The present invention relates to the advanced treatment technology of gas field produced water, i.e. gas field wastewater, in the development of natural gas fields, in particular to a desulfurization and desalination treatment system and method for gas field wastewater containing surfactants, which can continuously treat gas field wastewater with comprehensive low-energy operation supporting technologies All-round treatment is beneficial to the environmental protection of the gas field development area, and reduces or eliminates the pollution of the gas field produced water to the environment. Background technique [0002] Gas field produced water is the formation water produced to the surface along with gas production operations. As the pressure of gas reservoirs decreases continuously during exploitation, groundwater, crude oil, and mud gradually invade gas reservoirs, and are produced together with natural gas, forming gas field produced water. Gas...
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IPC IPC(8): C02F9/10C02F103/10
Inventor田巍
Owner北京沃特普特环境科技有限公司