以下为句子列表：
英文: Application background and significance of hydrogen chloride preparation from byproduct hydrochloric acid desorption are intruduced; basic rationale and technology process for preparation of gas hydrogen chloride by conventional resolution, variable press
中文: 摘要介绍了副产盐酸解吸制取氯化氢技术的应用背景及意义；叙述了盐酸常规解析、变压精馏和萃取精馏制取气态氯化氢的基本原理和工艺流程；对各种方法作了比较并说明了适用条件，对生产工艺、设备及材料的选择提出了建议；提出了副产盐酸解吸制取氯化氢应用的注意事项及改进建议。
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