Gas removal method and composition专利检索-烟道气污染与排放控制专利检索查询-专利查询网

Gas removal method and composition

阅读：631发布：2023-10-31

专利汇可以提供Gas removal method and composition专利检索，专利查询，专利分析的服务。并且A selective method of removing sulfur dioxide from flue gases or the like containing both sulfur dioxide and hydrogen sulfide without removing the hydrogen sulfide by bubbling the flue gas through about a 5-95 percent solution of an organic acid and an alkali metal salt of the said acid. The acid is selected from the group of: citric malic, lactic, succinic, ascorbic and tartaric. The acid is preferably citric and the alkali metal is preferably potassium. The ratio of the weight of the salt to that of the acid may be within the range of about 1s: 2a to 6s: 1a as such as is needed to make the solution pH between about 4.0 and 6.0, where s and a are one mole each of said salt and said acid, respectively. The said ratio preferably is 5s:1a or the pH is preferably 5.7.，下面是Gas removal method and composition专利的具体信息内容。

权利要求

2. The invention as defined in claim 1, wherein said solution has a concentration of between about 5 percent to about 95 percent.

3. The invention as defined in claim 2, wherein the ratio of the weight of said salt to said acid is such that the pH of said solution is between about 4.0 and 6.0.

4. The invention as defined in claim 3, wherein said acid is citric acid, said salt being potassium citrate.

5. The invention as defined in claim 4, wherein said concentration is about 95 percent and said pH is about 5.7.

6. The invention as defined in claim 1, wherein the ratio of the weight of said salt to said acid is from about 1s:2a to about 6s: 1a, where s and a are one mole each of said salt and said acid, respectively.

7. The invention as defined in claim 6, wherein said acid is citric acid, said salt being potassium citrate.

8. The invention as defined in claim 7, wherein said concentration is about 95 percent and said ratio is about 5s:1a.

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