Production status of white carbon black
Page views：419 Time：2018-01-11 01:14:37
Summary：
At present, multinationals producing silica in the world mainly include Rhodia in France, Degussa in Germany, Degussa in Germany, Huber in the United States,
At present, multinationals producing silica in the world mainly include Rhodia in France, Degussa in Germany, Degussa in Germany, Huber in the United States, Cabot in the United States, and PPG in the United States. Rhodia and Degussa Is a leading producer of precipitated white carbon black (each with a production capacity of 350,000 t) and Cabot and Di Gogh are leading companies in the production of fumed silica. The current annual production capacity of the world's silica exceeds 1.3 million tons. At present, there are about 59 manufacturers directly engaged in the production of precipitated silica, with a total production capacity of 1.171 million tons and an estimated output of 856,000 tons this year. As East China and South Africa are the focus areas for China's rubber and footwear industry, more than 90% of the precipitated silica is located in East China and Central South China and are concentrated in Fujian, Shandong, Jiangsu and Hunan provinces. Fumed silica manufacturers mainly in Jiangxi, Zhejiang, Guangdong, Liaoning and other provinces. Our country has become a net exporter of silica. Silica production at home and abroad to the traditional precipitation-based. Compared with the precipitation method, the gas phase process is complex, equipment investment, limited sources of raw materials and high manufacturing costs, the scale of production is still relatively small, the output of precipitation accounted for about 15% of total production of silica.
