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Development History of Anionic Surfactants in My Country

Nov. 09, 2020


The Surfactant industry in China started late. Before 1949, the research and development of anionic surfactants in China was basically blank; in 1956, Shanghai Wuzhou Soap Factory developed and produced sodium branched chain alkyl benzene sulfonate, which filled the surface of China’s anion. There is a gap in the development and production of active agents; in 1975, the Ministry of Light Industry organized the Design Institute, Anyang Light Machinery Factory and Nanjing Alkylbenzene Factory to introduce the double-membrane sulfonation unit of Italian modern machinery for the first time in China, with a production capacity of 1 t/h. Based on digestion and absorption, China's more advanced sulfonation technology and equipment have been developed and developed.


With the increase of China’s reform and opening up and the gradual deepening of the market economy, China has successively introduced multiple sets of different types of sulfonation equipment from developed countries such as Italy and the United States; in 1985, Hunan Lichen introduced the first domestic AES production line from Italy’s Ballestra , The production capacity is 1 t/h. In the same year, Wuxi Institute of Light Industry developed the technology of producing K12 products through sulfation with gas sulfur trioxide, which broke the situation that China has always used fuming sulfuric acid for sulfonation production and greatly saved sulfur resources. , Reduced costs and improved product quality; In 1988, Nanjing Jiahe introduced the Italian Ballestra 3 t/h sulfonation unit, which brought China's Anionic Surfactants production level into a new stage.


Anionic Surfactants

Anionic Surfactants

Subsequently, the China National Institute of Daily Chemicals, together with the China Light Industry Design Institute, Taiyuan Synthetic Detergent Factory, Fuzhou Chemical Machinery Factory and other units, completed the development and research of the Seventh Five-Year Plan key project Tube Type Sulfonation Reactor. In 1998, it passed the appraisal of the Ministry of Light Industry of the People's Republic of China, and then realized the industrial application. In 1998, the China Light Industry Design Institute successfully designed and developed 1.6 t/h and 3 t/h complete sets of sulfonation equipment; Localization.


With the rapid development of the detergent industry, the demand for surfactants has gradually increased, which requires Anionic Surfactants Manufacturers to further improve the production capacity of surfactants. In 2002, Jilin Jilian introduced a 10 t/h sulfonation unit from an American company; after 2004, China Light Chemical Industry and Zanyu Technology have successively applied domestically made sulfonation units of 3.8 t/h and above. During the Eleventh Five-Year Plan and Twelfth Five-Year Plan period, China's surfactant industry has developed rapidly. During this period, the sulfonation production capacity has increased by 150 t/h. As of August 2019, the sulfonation operation capacity has exceeded 300 t/h. h.


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