Hydrogen peroxide, as a green chemical, is rapidly increasing at home and abroad. Domestic hydrogen peroxide production capacity has more than 2 million 200 thousand tons / year, the vast majority of manufacturers using the method of production of the. Process for producing hydrogen peroxide by the method of the production of hydrogen peroxide comprises the preparation, hydrogenation, oxidation, extraction, purification and concentration process of the working liquid. During the process of hydrogenation and oxidation of the cycle, the process of the oxidation of the compound will gradually become four hydrogen. Although the formation of degradation is very slow, but they once generated lost ability of preparing hydrogen peroxide, working fluid in effective anthraquinone (sum of alkyl anthraquinone and four hydrogen alkyl anthraquinone) leads to reduced, and also cause changes in fluid properties, such as density rises plus, viscosity, liquid water content increased, affecting the process normally, resulting in a decline in the quality of products of hydrogen peroxide.
Tengzhou City Xiangying Analysis Technology Co., Ltd. the XiangyingGC7990plus a gas chromatograph, the successful determination of the hydrogen peroxide production liquid with satisfactory result
过氧化氢作为一种绿色化学品,国内外的需求量迅速增长。国内双氧水总生产能力已超过220 万吨/年,绝大多数厂家采用蒽醌法生产。蒽醌法生产双氧水工艺包括工作液的配制、氢化、氧化、萃取、净化和浓缩工序过程。蒽醌在循环进行氢化、氧化过程中,蒽醌将逐渐变成四氢蒽醌,同时发生一些副反应产生降解物。虽然降解物的生成非常缓慢,但它们一旦生成,便失去了制备过氧化氢的能力,导致工作液中有效蒽醌(烷基蒽醌和四氢烷基蒽醌的总和)的降低,同时还会引起工作液物性质的改变,如密度增加、粘度增大、工作液中水分含量升高,影响工艺过程正常进行,导致过氧化氢产品质量下降,
滕州市翔鹰分析技术有限公司采用XiangyingGC7990plus气相色谱仪,成功测定了双氧水生产工作液组分,结果满意。
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