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Lianyungang Sanjilili, located in Lianyungang Economic and Technological Development Zone, is the largest production base for hydroquinone in China. Through joint development with Tianjin University, two sets of quinolol installations with an annual output of 2,000 tons and 5,000 tons have been built. The separation and purification technology of phenol and hydrogen peroxide to produce benzenediol has the independent intellectual property rights of China and has been declared a national invention patent. item.
Lianyungang builds Asia's largest dihydroxybenzene plant
On May 12 th , it was reported from Jiangsu Lianyungang Sanjili Chemical Industry Co., Ltd. that the two major technological difficulties that have constrained the industrialization of catechol production in China have been overcome and the purification of the hydroxylated liquids and product purification have been overcome and passed the national appraisal. The 10,000-ton grade hydroquinone continuous automatic production device constructed using the above technologies will be completed and put into production in July this year. This is currently the second largest hydroquinone plant in Asia.