Epoxy curing agent News Waste lubricant recycling technology continues to advance and demand is growing

Waste lubricant recycling technology continues to advance and demand is growing

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Waste lubricant recycling technology continues to improve, and demand is growing

Waste lubricating oil is an important component of waste mineral oil. It belongs to the HW08 waste mineral oil and mineral oil-containing waste categories in my country’s “National Hazardous Waste List”. It is a viscous black slurry that may include water, fuel, dust, etc. Pollutants may contain a variety of toxic and harmful substances, such as heavy metals, polychlorinated biphenyls, polycyclic aromatic hydrocarbons, etc. The sources of waste lubricants mainly include automotive lubricants, hydraulic oils, process lubricants, marine oils, greases, industrial gear oils and other industrial oils.
The recycling of waste lubricating oil is to regenerate waste lubricating oil into base oil, asphalt, residual oil, diesel and other products through regeneration technology. With the increasing attention at home and abroad to the recycling of lubricating oil, the research on the purification process of waste lubricating oil is also in-depth. Many new technologies, such as supercritical extraction and separation, short-path distillation, molecular distillation, etc., have been applied to the recycling of waste lubricating oil. middle.
During the “Thirteenth Five-Year Plan” period, with the continuous improvement of my country’s waste lubricant recycling technology, the continuous maturity of relevant corporate processes, and the strengthening of government agencies’ control over the industry, some individuals and illegal processing companies have reduced, and industry standardization has continued to improve. , the overall product quality of waste lubricating oil recycling has also been continuously improved, and the products are more suitable for the continuously upgrading needs of the downstream market.
In terms of production, with the technological advancement and continuous release of demand in the domestic waste lubricant recycling industry, the output of lubricating oil base oil, asphalt products, residual oil, diesel and other products produced by my country’s waste lubricating oil recycling industry has continued to increase, and the overall output value has also increased. increase. According to the “2023-2028 China Waste Lubricating Oil Recycling Industry Market In-depth Research and Development Prospects Forecast Report” released by the Industrial Research Center , in 2021, the output of my country’s waste lubricating oil recycling industry was 4.056 million tons, with an output value of 27.07 billion yuan.
In terms of demand, my country’s waste lubricating oil recycling industry started late. However, with the development of my country’s engineering machinery, automobile and other industries, the demand for lubricating oil is gradually increasing, and the production of waste lubricating oil is also gradually increasing. If waste lubricating oil is not Recycling will cause great harm to the environment. Stimulated by increasingly strict environmental protection supervision and market demand, the demand for recycling of waste lubricants in China is growing.
Overall, during the “13th Five-Year Plan” period, the output and demand of my country’s waste lubricant recycling industry have continued to grow. However, compared with foreign countries, the current situation of my country’s waste lubricating oil recycling industry is not optimistic. The main problems faced are small waste oil recovery volume, non-standard recycling, low production technology, poor quality of recovered oil, acid-free development, simple process, and low cost. , waste lubricating oil recycling technology without secondary pollution has become the main research direction in the future.
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