Sources and hazards of waste mineral oil

May 9, 2021

Latest company news about Sources and hazards of waste mineral oil

People will inevitably produce various waste mineral oils in industrial production and daily life. Waste mineral oil is classified as hazardous waste, which contains a variety of toxic substances. However, waste oil is actually not waste. Only a few percent of the deteriorating part is a precious resource. Comprehensive utilization of it will help alleviate the shortage of resources in our country, solve the bottleneck problem of oil shortages, and improve the current situation. Resource utilization and protection of the ecological environment are of great significance.


1. The source of waste mineral oil
There are two main sources of waste mineral oil: 1. Replacement oil and cleaning oil for machinery, power, transportation and other equipment, such as various lubricating oils, hydraulic oils, etc., mainly from the motor vehicle maintenance industry, mechanical processing manufacturing, etc. . 2. Sediments produced during storage of oil products. Such as the oil tank of the gas station, the bottom sludge of the grease trap, the sludge produced by the oily sewage treatment facility of the oil refinery, etc.


2. The harm of waste mineral oil
Waste mineral oil has been included in the "National Hazardous Waste List", numbered HW08. Waste mineral oil is a complex mixture composed of various substances, the main components are C15-C36 alkanes, polycyclic aromatic hydrocarbons (PAHs), olefins, benzene series, phenols, etc. The various ingredients have certain toxicity and harmful effects on the human body. Therefore, once a large number of them enter the external environment, it will cause serious environmental pollution. In addition, waste mineral oil can also destroy the normal living environment of organisms, and has the physical effect of causing biological dysfunction. For example, waste mineral oil pollutes the soil due to its high viscosity. In addition to clogging the soil pores and destroying the soil, it can also stick to the plant roots to form a mucosa, hindering the absorption of water and nutrients by the roots, and causing plant roots to rot. Lack of nutrition caused widespread death. When the soil pores are large, petroleum wastewater can also penetrate deep into the soil and even contaminate shallow groundwater.

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