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由湖南株洲市天隆化工实业有限公司研究的’利用白炭黑废液生产沉淀硫酸钡新工艺技术研究’项目,近日通过了湖南省鉴定。这项资源循环利用新技术尚属国内首创。株洲是国内白炭黑产品的主产地之一,当地化工企业每生产1吨白炭黑成品就要外排15吨含硫酸钠的工业废水。采用该技术与硫
From the Zhuzhou City, Hunan Tianlong Chemical Industry Co., Ltd. ’research on the use of waste black liquor precipitated barium sulfate technology research’ project recently passed the identification of Hunan Province. This new resource recycling technology is still a national initiative. Zhuzhou is one of the main producing areas of the domestic white carbon black products. The local chemical industry produces 15 tons of industrial wastewater containing sodium sulfate for every ton of white carbon black finished product produced. Using this technology with sulfur