What are the hazardous waste self-disposal facilities

Physical treatment, chemical treatment, biological treatment, thermal treatment, curing treatment.

Physical treatment is to change the structure of solid waste through concentration or phase change to make it into a form that is easy to transport, store, utilize, or dispose of, including compaction, crushing, sorting, thickening, adsorption, extraction, and other methods. Chemical treatment is the use of chemical methods to destroy the harmful components of solid waste, so as to achieve harmlessness, or will be transformed into a form suitable for further treatment, disposal. The goal is to change the chemical nature of the substance being treated so as to reduce its hazardous properties. This is a common pre-treatment measure before the final disposal of hazardous waste, and its treatment equipment is conventional chemical equipment. Biological treatment is the use of microorganisms to decompose degradable organic matter in solid waste, so as to achieve harmlessness or comprehensive utilization. Biological treatment methods include aerobic treatment, anaerobic treatment and partially anaerobic treatment. Compared with chemical treatment methods, biological treatment is generally cheaper economically and commonly used, but the time required for the treatment process is long and the treatment efficiency is not stable enough. Thermal treatment is to destroy and change the composition and structure of solid waste through high temperature, and at the same time to achieve the purpose of volume reduction, harmless or comprehensive utilization. Its methods include incineration, pyrolysis, wet oxidation, and roasting and sintering. Curing treatment is the use of curing substrates to fix or encapsulate the waste to reduce its harm to the environment, is a safer way to transport and dispose of waste treatment process, mainly used for hazardous waste and radioactive waste, the volume of the curing body is much larger than the volume of the original waste.