Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2S
Based on the response surface methodology, the pH change characteristics of coal-water slurry containing potassium permanganate (KMnO4) under the action of hydrogen sulfide (H2S) were studied, and the relationship between the factors of coal seam H2S content determination was explored. The effect co...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-01-01
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| Series: | Desalination and Water Treatment |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1944398624001371 |
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| author | Qigen Deng Chaosi Liu Mengmeng Yao Zhecheng Zhang |
| author_facet | Qigen Deng Chaosi Liu Mengmeng Yao Zhecheng Zhang |
| author_sort | Qigen Deng |
| collection | DOAJ |
| description | Based on the response surface methodology, the pH change characteristics of coal-water slurry containing potassium permanganate (KMnO4) under the action of hydrogen sulfide (H2S) were studied, and the relationship between the factors of coal seam H2S content determination was explored. The effect coal rank, temperature and H2S inflow on the pH change of coal-water slurry was analysed. Through response surface methodology analysis, discovering H2S inflow had a significant effect on pH change of the solution, and the interaction between temperature and H2S inflow had a relatively significant effect on pH change of the solution. The optimal conditions were as follows: 36 mL H2S inflow, 36.5 ℃ temperature and medium rank coal. The conditions which had a significant effect on pH change of the solution, and compared with the experimental verification group, the error was small. Analyzing on influence factors of pH change of coal-water slurry, which provides a reference for the subsequent determination of H2S content. |
| format | Article |
| id | doaj-art-2b9628a20da74bbd8c78f1636f5931bb |
| institution | OA Journals |
| issn | 1944-3986 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Desalination and Water Treatment |
| spelling | doaj-art-2b9628a20da74bbd8c78f1636f5931bb2025-08-20T02:01:15ZengElsevierDesalination and Water Treatment1944-39862024-01-0131710011610.1016/j.dwt.2024.100116Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2SQigen Deng0Chaosi Liu1Mengmeng Yao2Zhecheng Zhang3School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, Henan, China; State Key Laboratory Cultivation Base for Gas Geology and Gas Control (Henan Polytechnic University), Jiaozuo, Henan, China; Collaborative Innovation Centre of Coal Safety Production of Henan Province, Jiaozuo, Henan, China; Corresponding author at: School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, Henan, China.School of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, Henan, ChinaSchool of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, Henan, ChinaSchool of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, Henan, ChinaBased on the response surface methodology, the pH change characteristics of coal-water slurry containing potassium permanganate (KMnO4) under the action of hydrogen sulfide (H2S) were studied, and the relationship between the factors of coal seam H2S content determination was explored. The effect coal rank, temperature and H2S inflow on the pH change of coal-water slurry was analysed. Through response surface methodology analysis, discovering H2S inflow had a significant effect on pH change of the solution, and the interaction between temperature and H2S inflow had a relatively significant effect on pH change of the solution. The optimal conditions were as follows: 36 mL H2S inflow, 36.5 ℃ temperature and medium rank coal. The conditions which had a significant effect on pH change of the solution, and compared with the experimental verification group, the error was small. Analyzing on influence factors of pH change of coal-water slurry, which provides a reference for the subsequent determination of H2S content.http://www.sciencedirect.com/science/article/pii/S1944398624001371Coal rankHydrogen sulfideCoal-water slurryPH changeResponse surface methodology |
| spellingShingle | Qigen Deng Chaosi Liu Mengmeng Yao Zhecheng Zhang Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2S Desalination and Water Treatment Coal rank Hydrogen sulfide Coal-water slurry PH change Response surface methodology |
| title | Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2S |
| title_full | Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2S |
| title_fullStr | Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2S |
| title_full_unstemmed | Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2S |
| title_short | Study on pH change characteristics of coal-water slurry containing potassium permanganate under the action of H2S |
| title_sort | study on ph change characteristics of coal water slurry containing potassium permanganate under the action of h2s |
| topic | Coal rank Hydrogen sulfide Coal-water slurry PH change Response surface methodology |
| url | http://www.sciencedirect.com/science/article/pii/S1944398624001371 |
| work_keys_str_mv | AT qigendeng studyonphchangecharacteristicsofcoalwaterslurrycontainingpotassiumpermanganateundertheactionofh2s AT chaosiliu studyonphchangecharacteristicsofcoalwaterslurrycontainingpotassiumpermanganateundertheactionofh2s AT mengmengyao studyonphchangecharacteristicsofcoalwaterslurrycontainingpotassiumpermanganateundertheactionofh2s AT zhechengzhang studyonphchangecharacteristicsofcoalwaterslurrycontainingpotassiumpermanganateundertheactionofh2s |