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Broad Environmental Protection's "Microorganism + Low Energy Consumption Tubular Membrane" water treatment technology has achieved results in Zhongyuan Oilfield

Broad Environmental Protection's "Microorganism + Low Energy Consumption Tubular Membrane" water treatment technology has achieved results in Zhongyuan Oilfield

(Summary description)The "microbe + low energy consumption tubular membrane" water treatment system built by Broad Environmental Protection at the Zhongyuan Oilfield Mazhai Wastewater Treatment Station has been put into operation for two months.

Broad Environmental Protection's "Microorganism + Low Energy Consumption Tubular Membrane" water treatment technology has achieved results in Zhongyuan Oilfield

(Summary description)The "microbe + low energy consumption tubular membrane" water treatment system built by Broad Environmental Protection at the Zhongyuan Oilfield Mazhai Wastewater Treatment Station has been put into operation for two months.

  • Categories:Company news
  • Time of issue:2017-03-06 16:38
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The "microbe + low energy consumption tubular membrane" water treatment system built by Broad Environmental Protection at the Zhongyuan Oilfield Mazhai Wastewater Treatment Station has been put into operation for two months. At present, the station system is operating smoothly and the outbound water quality index has reached the A1 standard, meeting the water injection quality requirements of low-permeability and ultra-low-permeability reservoirs. The output of water injection residues has been greatly reduced, environmental protection pressure and comprehensive operating costs have been reduced, and cost reduction has been achieved. The goal of efficient and green production.

Zhong Crude Oilfield originally adopted a gravity sewage treatment process and applied low-sludge water quality modification technology to treat the sewage produced in the oilfield. The daily sewage treatment is 110,000 cubic meters, and 78 tons of water injection residues (without water) are produced.

"With the increasing awareness of building an environment-friendly society, the problem of the outlet of a large amount of water injection residue is extremely difficult." said Qu Dingxiang, chief water injection expert of the Oilfield Engineering Technology Management Department. The water injection residue has become an environmental protection hazard restricting the normal production of oil fields.

In recent years, Zhongyuan Oilfield has been actively applying water treatment technology with low water injection residues. However, with the increasing reinjection pressure of reinjection wells and difficulties in well selection, the oilfield has to explore a water treatment method that controls the amount of residues from the source. Technology to replace current methods.

Based on this, our company's "microorganism + low-energy tubular membrane" water treatment technology came into being. In September 2014, technicians began to study the application of this process. The cultivated obligate bacteria (microorganisms) are used to degrade the oil and other organic matter in the water, and then the residual microorganisms and macromolecular organic matter are filtered through the low-energy tubular membrane, so that the effluent quality reaches the standard. After going through the indoor experiment, pilot test and other stages, in 2016, this process entered the field application stage. After equipment installation, bacterial culture and system debugging, on December 9th of the same year, the process was officially put into operation at Mazhai Wastewater Treatment Station.

The application of microbial membrane filtration water treatment technology can effectively reduce the output of water injection residues. The output of 1000 cubic meters of treated water residues of Mazhai Wastewater Treatment Station is expected to be reduced from 0.57 tons to 0.03 tons, and the amount of residues is reduced by 95%, thereby achieving safe and environmentally friendly production. Purpose. In addition, compared with the original water treatment process, the process is simple, with a high degree of automation, low labor intensity of workers, and low overall operating costs, which can further achieve the goal of reducing costs and increasing efficiency.

File source: China Petrochemical News Network

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