The extraction raffinate can be concentrated by one-stage evaporation to obtain sulfuric acid with 80% of mass fraction.
萃余液经一次性蒸发浓缩，可得到质量分数80%以上的硫酸。
Based on production practice, various factors affecting the H2O2 content in the extraction raffinate during hydrogenperoxide production by anthraquinone process were summarized.
根据生产实践，总结蒽醌法生产双氧水中影响萃余液中双氧水含量的各种因素，指出萃余液中H2O2超标的危害，找到控制萃余的有效途径。
The extracted oil output was increased after revamping aromatics extraction unit, but the raffinate oil system was not modified along with.
芳烃抽提装置改造后抽余油产量提高，但抽余油系统没有配套改造。
The paper describes the study of ti recovery from the raffinate of high-Ti ore solvent extraction.
概述了从处理高钛矿的萃取残液中回收钛的工艺研究结果。
The paper describes the study of ti recovery from the raffinate of high-Ti ore solvent extraction.
概述了从处理高钛矿的萃取残液中回收钛的工艺研究结果。
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