Chemical recovery and water reuse values obviously must offset these costs. 化学品的回收和水的回用价值明显地补偿了这些费用。
Energy in the form of heat and electricity, is also reclaimed during the process of chemical recovery. 在化学品回收的过程中,以热和电的形式存在的能量也被回收。
Small-scale chemical recovery systems 化学品小型回收系统
Recovery technology of maleic anhydride such as water recovery method, non-water solvent recovery method and chemical recovery technology are reviewed, and the development direction of maleic anhydride recovery technology is also pointed out. 对顺酐的回收工艺如水回收法、非水溶剂回收法和化学法回收技术进行了评述,并指出顺酐回收技术的发展方向。
This paper describes some countries ' laws and regulations regarding waste plastics recycling and analyses the status and development of physical and chemical recovery methods used for waste plastics. 叙述了各国关于废旧塑料回收法规及物理回收方法和化学回收(CR)方法的现状及进展。