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Preparing high-purity carbon dioxide comprises using shell and acid as material so as to make the carbon dioxide in one step. 专利
申请日期: 2010-01-01, 公开日期: 2010-02-17
作者:  CHENG Z JIANG C LIN Y MA W QIN C TI
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/24
Producing industrial calcium chloride comprises using shell and hydrochloric acid as raw materials, reacting, and preparing the industrial calcium chloride by filtering and carrying out crystallization. 专利
申请日期: 2010-01-01, 公开日期: 2010-02-17
作者:  CHENG Z JIANG C LIN Y MA W QIN C TI
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/24
Producing snow-melting agent by shell includes reacting shell with hydrochloric acid or acetic acid, filtering, concentrating, and crystallizing to obtain the snow-melting agent. 专利
申请日期: 2010-01-01, 公开日期: 2010-02-24
作者:  CHENG Z JIANG C LIN Y MA W QIN C TI
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/24


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