CN114956387A - 一种含硝盐废水与煤气化灰水耦合除硬的装置及方法 - Google Patents
一种含硝盐废水与煤气化灰水耦合除硬的装置及方法 Download PDFInfo
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- CN114956387A CN114956387A CN202210659577.8A CN202210659577A CN114956387A CN 114956387 A CN114956387 A CN 114956387A CN 202210659577 A CN202210659577 A CN 202210659577A CN 114956387 A CN114956387 A CN 114956387A
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- reaction tank
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- coal gasification
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- 239000002351 wastewater Substances 0.000 title claims abstract description 206
- 229910002651 NO3 Inorganic materials 0.000 title claims abstract description 93
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000003245 coal Substances 0.000 title claims abstract description 75
- 238000002309 gasification Methods 0.000 title claims abstract description 71
- 239000010797 grey water Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008878 coupling Effects 0.000 title claims abstract description 21
- 238000010168 coupling process Methods 0.000 title claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims description 347
- 238000004062 sedimentation Methods 0.000 claims description 44
- 229920002401 polyacrylamide Polymers 0.000 claims description 32
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- 239000003513 alkali Substances 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 10
- 239000003814 drug Substances 0.000 claims description 10
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- LOMVENUNSWAXEN-UHFFFAOYSA-N Methyl oxalate Chemical compound COC(=O)C(=O)OC LOMVENUNSWAXEN-UHFFFAOYSA-N 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 6
- 230000002378 acidificating effect Effects 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 235000011121 sodium hydroxide Nutrition 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000010802 sludge Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
- C02F2209/055—Hardness
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Removal Of Specific Substances (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
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CN202210659577.8A CN114956387B (zh) | 2022-06-13 | 2022-06-13 | 一种含硝盐废水与煤气化灰水耦合除硬的装置及方法 |
Applications Claiming Priority (1)
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CN202210659577.8A CN114956387B (zh) | 2022-06-13 | 2022-06-13 | 一种含硝盐废水与煤气化灰水耦合除硬的装置及方法 |
Publications (2)
Publication Number | Publication Date |
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CN114956387A true CN114956387A (zh) | 2022-08-30 |
CN114956387B CN114956387B (zh) | 2024-04-09 |
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CN202210659577.8A Active CN114956387B (zh) | 2022-06-13 | 2022-06-13 | 一种含硝盐废水与煤气化灰水耦合除硬的装置及方法 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170267615A1 (en) * | 2014-06-05 | 2017-09-21 | Shanghai Wuzheng Engineering Technology Co., Ltd | Method and device system for producing dimethyl oxalate through midhigh and high-pressure carbonylation of industrial synthesis gas and producing ethylene glycol through dimethyl oxalate hydrogenation |
CN207031177U (zh) * | 2017-08-03 | 2018-02-23 | 内蒙古伊泰煤制油有限责任公司 | 一种气化灰水硬度调节系统 |
CN214032000U (zh) * | 2020-11-13 | 2021-08-24 | 新疆天业汇合新材料有限公司 | 一种煤气化废水除硬的装置 |
CN113735354A (zh) * | 2021-09-08 | 2021-12-03 | 东华工程科技股份有限公司 | 一种煤制乙二醇技术中含醇废水处理方法及装置 |
-
2022
- 2022-06-13 CN CN202210659577.8A patent/CN114956387B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170267615A1 (en) * | 2014-06-05 | 2017-09-21 | Shanghai Wuzheng Engineering Technology Co., Ltd | Method and device system for producing dimethyl oxalate through midhigh and high-pressure carbonylation of industrial synthesis gas and producing ethylene glycol through dimethyl oxalate hydrogenation |
CN207031177U (zh) * | 2017-08-03 | 2018-02-23 | 内蒙古伊泰煤制油有限责任公司 | 一种气化灰水硬度调节系统 |
CN214032000U (zh) * | 2020-11-13 | 2021-08-24 | 新疆天业汇合新材料有限公司 | 一种煤气化废水除硬的装置 |
CN113735354A (zh) * | 2021-09-08 | 2021-12-03 | 东华工程科技股份有限公司 | 一种煤制乙二醇技术中含醇废水处理方法及装置 |
Non-Patent Citations (1)
Title |
---|
董强等: "草酸二甲酯甲醇脱水一塔改两塔工艺探讨", 《云南化工》, vol. 48, no. 10, 31 October 2021 (2021-10-31), pages 109 - 110 * |
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Inventor after: Li Gang Inventor after: Tang Shengyong Inventor after: Yang Yongle Inventor after: Liu Dongkai Inventor after: Zhang Li Inventor after: Tang Hongjian Inventor after: Xia Junjie Inventor after: Wei Dong Inventor after: Hu Jiang Inventor after: Ju Wenzhang Inventor after: Ma Yinshan Inventor after: Yang Jun Inventor before: Song Xiaoling Inventor before: Yang Jun Inventor before: Tang Shengyong Inventor before: Yang Yongle Inventor before: Liu Dongkai Inventor before: Zhang Li Inventor before: Li Gang Inventor before: Tang Hongjian Inventor before: Xia Junjie Inventor before: Wei Dong Inventor before: Hu Jiang Inventor before: Ju Wenzhang Inventor before: Ma Yinshan |
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