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　　China started the research and development of supercritical fluid technology in 1980s, but in China up to now, because the extraction pressure of supercritical CO2 extraction equipment is high when the equipment works normally, and the equipment manufactured by various equipment manufacturers is mostly operated manually, risk factor is high, safety and reliability are low, and manual labor is mostly used.
　　Nantong Wisdom Supercritical Science & Technology Development Co., Ltd. is a high-tech company dedicated to the integration of supercritical fluid technology development and equipment manufacturing. The Company has passed the quality system certification (GB/T 19001-2016/ISO 9001: 2015), specializing in customized testing, pilot-scale and industrial supercritical equipment for fluid extraction, reaction, drying, ultrafine particles and other equipment. In order to improve the domestic supercritical CO2 extraction equipment, the Company made full use of 30 years' experience in supercritical fluid process design and equipment manufacturing, and cooperated with Shanghai Jiao Tong University to develop the automatic intelligent supercritical CO2 extraction equipment, which filled the domestic blank.
　　Nantong Wisdom Supercritical Science & Technology Development Co., Ltd. and Shanghai Jiao Tong University have made in-depth research on safety interlock of extraction kettle opening mechanism, fluid control technology, intelligent PLC or DCS control technology, intelligent high-pressure control valve, etc., fully combining the equipment manufacturing experience of the Company and the advantages of Shanghai Jiao Tong University, thus the supercritical CO2 extraction equipment has achieved a qualitative leap. The Company has successfully developed domestic automatic intelligent supercritical CO2 extraction equipment, which realizes automatic control of extraction pressure and temperature, automatic isobaric switching of extraction pressure, automatic recycling of carbon dioxide gas, quick-opening structure of clamp of extraction kettle with safety interlocking mechanism, etc., which fill the domestic blank.
　　Nantong Wisdom Supercritical Science & Technology Development Co., Ltd. has become a leader in supercritical CO2 extraction equipment in China, which has reduced the labor intensity of supercritical CO2 extraction equipment operation, and ensures the safety and reliability of equipment by intelligent operation. It can provide customers with turnkey projects of fully automatic and intelligent supercritical CO2 extraction equipment.
　　Meanwhile, Nantong Wisdom Supercritical Science & Technology Development Co., Ltd. actively responded to the national environmental protection policy, and made use of the advantages of supercritical fluid technology to conduct in-depth research on oilfield soil remediation, high-concentration sewage water source treatment, graphene material preparation, UPT supercritical water synthesis materials, polymer aerogel products, etc., and has achieved some results.

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