Soil remediation electric heater is a device that uses electrical energy to heat soil. It breaks the chemical bonds of harmful substances through high temperature, increases soil temperature, accelerates the growth and metabolism of beneficial microorganisms, promotes the degradation and enrichment of organic matter in soil, and achieves the goal of soil remediation. Electric heating technology has the advantages of simple equipment, convenient operation, high efficiency and speed, and has become a hot topic in the field of soil remediation today. The working principle of soil remediation electric heater is to bury electric heating cables or electrodes in the soil, apply power to cause local temperature rise in the soil, and the high temperature will destroy the molecular structure of organic matter, turning it into easily degradable small molecule organic matter, accelerating the growth and metabolism of beneficial microorganisms in the soil, thereby promoting the degradation of pollutants and plant growth. Electric heating technology can effectively treat various pollutants such as heavy metals and organic matter, and has a high remediation effect. The application range of soil remediation electric heaters is wide, and they can be used in various soil pollution scenarios such as industrial wastelands, mining contaminated areas, and chemical plant groundwater pollution. Compared with traditional soil remediation techniques, electric heating technology has the advantages of fast speed, good effect, and low cost, and has received widespread attention and application from engineers and researchers. However, there are also some challenges and problems in the practical application of soil remediation electric heaters. How to control the heating temperature and time so that organic matter in the soil can be fully degraded is an important technical difficulty. Secondly, the heat generated during the electric heating process will have an impact on the surrounding environment, and effective measures need to be taken to deal with it. In addition, the cost of soil remediation electric heaters is relatively high, and it is necessary to further reduce costs and improve technical and economic efficiency.

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