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          The perfect fusion of science and engineering
          Glycol from Syngas


          Syngas Based Ethylene Glycol Synthesis Technology
           

          Our technology of syngas based ethylene glycol production is shared by Ningbo Fareast Tech Catalyst Engineering Co.,Ltd, China Chengda Engineering Co.,Ltd and Ningbo Institute of Industrial Technology (CNITECH), Chinese Academy of Sciences (CAS).  We are granted for the promotion of for the commercial promotion, who can provide you with ethylene glycol technology package, the core catalyst, the engineering design, the skills training for staffs and the driving services.

          The technology is based on the nitric acid reduction technology, which reduces the consumption of raw materials and the burden of waste water treatment; The efficiency is high withan emission concentration of 300-1000ppm; The steam consumption of the EG distillation system is ≤ 2 MT/MT EG; The carbon monoxide consumption is 792NM / MT EG, the hydrogen consumption is1565NM / MT EG and oxygen consumption is 192NM / MT EG which are all very low. The excellent rate of product is 100%, which entered the polyester industry successfully.

           At present, the technology has been applied successfully to Hualu Hengsheng Co., Ltd., more than 10 manufactures has got the technology license. With the concept " the profession comes from intention " we will do our best to improve the added value of coke oven gas.

          Development process
          We started the research since 2007 with the following process: Carbon monoxide was coupled catalytically first to make oxalate ester which was then hydrogenated to ethylene glycol. In 2011 we established the engineering technology research center with Ningbo Institute of Industrial Technology (CNITECH), Chinese Academy of Sciences (CAS),where we established the scientific experiment and R & D base whose core team consists of 16 scientists (7doctors and 9 masters) including Dr. Yu-Qiao Xiang and Dr. Hong-Feng Yin. This team is mainly engaged in the research and development of ethylene glycol synthesis process.

          After eight years of continuous research, a detailed and comprehensive experimental work was carried out including the research and development of catalyst, the research of engineering and mechanism of reaction, the research of the process, the establishment of complete database of physical properties and the separation system.  Many core technologies were mastered such as the  CO based synthesis of oxalate, the oxalate hydrogenation and others which includes: a perfect database of properties; esterification - carbonylation steady closed self-circulation key technology;  the key technology of the recycling of methyl nitrite, carbon monoxide and nitric oxide ; the reactor and its technology for the oxalate synthesis;  the key technology of oxalate synthesis and catalysts preparation for the hydrogenation process.
          At the first stage the model test research of 10 MTs / year of synthetic oxalate ester and oxalate hydrogenation was operated successfully , then a pilot work of 300 MTs / year of dimethyl oxalate and dimethyl oxalate hydrogenation was put into production, at last the process software package of 10,000 MTs of CO coupled for oxalate ester and oxalate hydrogenation was completed . 
          The engineering technology research center made a huge investment to purchase the most advanced device platform for the testing, evaluation and experiment. The systematic technical research was carried out in terms of the key technology of the ethylene glycol synthesis, the dimethyl oxalate synthesis, the esterification regeneration, the dimethyl oxalate hydrogenation,the ethylene glycol refining and other major processes.
          The technology and catalyst of the Hualu Hengsheng’s 50,000MT/year ethylene glycol plant were improved by CNITECH and us from April 2014 to May 2015. From June 2015 till now, the device was operated at full capacity continuously, stably and safely with 100% excellent quality at low production cost, which brought a lot of benefits in the market downturn. A major breakthrough of the ethylene glycol production technology was gained compared with the old device.

          Contact
          Ningbo Fareast Tech Catalyst Engineering Co.,Ltd
          E-mail: yd@nbzkyd.com
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