China Drying Network News National Development and Reform Commission recently released the first batch of "National Circular Economy Technology, Process and Equipment Encourage List", involving reduction, reuse and remanufacturing, recycling, industrial symbiosis and links. The key circular economy technology, process and equipment. The directory covers a considerable proportion of the chemical industry . Among them, the reduction technology, process and equipment include sublimate salt chromium salt cleaning technology and integration technology, molten salt titanium dioxide production technology; reuse and remanufacturing technology, processes and equipment including nitrogen fertilizer production wastewater ultra-low emission integration technology; Technology, process and equipment for the utilization of waste resources include the production of sulfuric acid, extraction of gold and silver from cyanide tailings iron ore concentrate, sulfuric acid production technology and equipment from boiling roasting of copper tailings, and white mud for ammonia-alkali production for boiler gas wetness Desulphurization technology, nitrogen fertilizer production waste gas, solid waste treatment and resource utilization technology, high-value yellow phosphorus tailings utilization of formic acid technology, continuous high-sulfur petroleum coke graphite graphite production of high-quality graphite material technology and equipment, vulcanized rubber powder atmospheric continuous desulfurization Complete sets of equipment, waste plastics production combined core mold technology, straw cleaning pulping and waste liquid resource utilization technology, biogas slurry high-efficient bio-organic fertilizer technology; industrial symbiosis and linking technology, processes and equipment, including coke oven gas to natural gas technology. Iron Casting Parts,3D Printed Sand Mold Strength,Sand Core 3D Printing Procedure,Metal 3D Printing Procedure Guangdong Fenghua Zhuoli Technology Co., Ltd , https://www.fhzl3d-pequip.com