Detailed Product Description Patent Number:ZL 96 2 23446.XTail gas from Chemical Industry can be absorbed,treated and recycled in one step(also can be recycling) by this column, simplifies the traditional multi-step cooling and absorbing . It can mainly be applied to Chemical Industry, Pesticides,Metallurgy Light Industry, Synthetics Fiber, Pharmaceutics and other industriestail gas: HCL,CL2,SO2, ...