The core technology of low-energy tube membrane has achieved systematic innovation and breakthrough.
Release Date:
2016-12-30
With the rapid development of my country’s oil refining, chemical, and oil extraction industries, the inefficiency and high energy consumption of difficult-to-degrade high-salt wastewater treatment technology has not been well broken through, which has brought serious problems to the development of environmental protection technology and the ecological environment.
With the rapid development of my country’s oil refining, chemical, and oil extraction industries, the inefficiency and high energy consumption of difficult-to-degrade high-salt wastewater treatment technology has not been well broken through, which has brought serious problems to the development of environmental protection technology and the ecological environment. Negative impact. Therefore, high-efficiency and low-energy-consumption treatment strategies and technologies for refractory high-salt wastewater have always been a technical bottleneck in the field of environmental protection.
The national industrial support project undertaken by Broad Environmental Protection—Intelligent Low-Energy Membrane Biotechnology—has, based on research into the application of environmentally friendly microbial consortia for treating oily wastewater, yielded significant results through on-site pilot studies and industrial-scale trials. Key engineering parameters governing the treatment performance of petroleum and petrochemical wastewater have been established, and low-energy consumption membrane products have been deployed in the industrialization process. This has led to the development of innovative technologies, such as tubular-membrane backwashing, which substantially reduces cross-flow velocity and operational energy consumption, thereby significantly lowering maintenance costs and operating expenses. As a result, a proprietary process with independent intellectual property rights has been formulated.
The low-energy tubular membrane bioreactor integrates three core technologies: specialized microorganisms, low-energy tubular membranes, and intelligent control. It features a compact process flow, strong shock resistance, and exceptionally low energy consumption—approximately 0.8 kWh per ton of water, which is about one-third of the energy required by conventional tubular membrane processes. Additionally, it exhibits high salt tolerance, advanced intelligent control capabilities, and other advantageous characteristics. This technology has been successfully deployed in numerous projects for PetroChina and Sinopec, with an average treated water volume of 4,000 m³/day. The effluent quality remains stable after treatment and consistently meets the Class A1 standard for water injection.
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