Arc plasma can be applied in hazardous solid waste disposal for higher temperature than common heating methods, but some practical issues exist in practical engineering application. In this study, an air arc plasma torch with double chambers and magnetic controlling is designed to realize wide variable power and long electrode life. The detailed characteristics and laws of the air arc are studied. The condition parameters of arc current (I), air flow rate (G) and the structure parameters of inlet area ratios and electrode diameters influence both the arc voltage and arc root positions. The arc rotating driven by magnetic field effectively lengthens the electrode life. The gasification process and product of organic wastes by air plasma are influenced largely by the waste compositions and the air flow rate. A furnace structure with more even atmosphere and longer residence time should be considered for better gasification. Oxygen-deficient environment is important to suppress NO _x formation during the application of air plasma. Inorganic solid wastes can be melt by the air plasma and cooled down to form compact vitreous structures in which heavy metals can be locked and the leaching rates significantly decrease down.

电弧等离子体可用于危险固体废物处理，温度高于普通加热方法，但在实际工程应用中存在一些实际问题。在这项研究中，设计了一种具有双腔和磁控的空气电弧等离子炬，以实现宽变功率和长电极寿命。研究了空气电弧的详细特性和规律。电弧电流（I）、空气流量（G）条件参数) 和入口面积比和电极直径的结构参数影响电弧电压和电弧根部位置。磁场驱动电弧旋转，有效延长电极寿命。空气等离子体对有机废物的气化过程和产物在很大程度上受废物组成和空气流速的影响。为了更好地气化，应考虑气氛更均匀和停留时间更长的炉子结构。缺氧环境对于抑制空气等离子体应用过程中NO _{x 的}形成很重要。无机固体废物可以被空气等离子体熔化并冷却，形成致密的玻璃体结构，其中重金属可以被锁定，浸出率显着降低。