CN1122645C - 稀土废水回收及全循环处理的工艺方法 - Google Patents
稀土废水回收及全循环处理的工艺方法 Download PDFInfo
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- CN1122645C CN1122645C CN 00119174 CN00119174A CN1122645C CN 1122645 C CN1122645 C CN 1122645C CN 00119174 CN00119174 CN 00119174 CN 00119174 A CN00119174 A CN 00119174A CN 1122645 C CN1122645 C CN 1122645C
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- Prior art keywords
- waste water
- rare earth
- acid
- water
- enter
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- 239000002351 wastewater Substances 0.000 title claims abstract description 62
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 45
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 32
- 239000002253 acid Substances 0.000 claims description 32
- 238000005516 engineering process Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 150000003863 ammonium salts Chemical class 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 15
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 14
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 12
- 229910052731 fluorine Inorganic materials 0.000 claims description 12
- 239000011737 fluorine Substances 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 230000008033 biological extinction Effects 0.000 claims description 8
- 239000001117 sulphuric acid Substances 0.000 claims description 8
- 235000011149 sulphuric acid Nutrition 0.000 claims description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000002309 gasification Methods 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 4
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 4
- 239000004571 lime Substances 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 3
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 3
- 229910001424 calcium ion Inorganic materials 0.000 claims description 3
- 238000003763 carbonization Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 3
- 210000004080 milk Anatomy 0.000 claims description 3
- 235000013336 milk Nutrition 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000001311 chemical methods and process Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGZKDVFQNNGYKY-OUBTZVSYSA-N Ammonia-15N Chemical compound [15NH3] QGZKDVFQNNGYKY-OUBTZVSYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- IPTLKMXBROVJJF-UHFFFAOYSA-N azanium;methyl sulfate Chemical compound N.COS(O)(=O)=O IPTLKMXBROVJJF-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- FZUJWWOKDIGOKH-UHFFFAOYSA-N sulfuric acid hydrochloride Chemical compound Cl.OS(O)(=O)=O FZUJWWOKDIGOKH-UHFFFAOYSA-N 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Removal Of Specific Substances (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
指标项目 | 氟mg/l | 硫酸mg/l | 氨氮mg/l | 固体物mg/l | 颜色 |
处理前废水 | ≥2200 | ≥8000 | ≥10000 | ≥600 | 黑灰色 |
处理后废水 | ≤9.0 | 无 | ≤15.0 | ≤200.0 | 无色透明 |
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00119174 CN1122645C (zh) | 2000-07-04 | 2000-07-04 | 稀土废水回收及全循环处理的工艺方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 00119174 CN1122645C (zh) | 2000-07-04 | 2000-07-04 | 稀土废水回收及全循环处理的工艺方法 |
Publications (2)
Publication Number | Publication Date |
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CN1331055A CN1331055A (zh) | 2002-01-16 |
CN1122645C true CN1122645C (zh) | 2003-10-01 |
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CN 00119174 Expired - Fee Related CN1122645C (zh) | 2000-07-04 | 2000-07-04 | 稀土废水回收及全循环处理的工艺方法 |
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CN (1) | CN1122645C (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100443412C (zh) * | 2006-01-18 | 2008-12-17 | 朴钟殷 | 酸法焙烧稀土精矿工艺尾气和废水治理方法 |
CN101161596B (zh) * | 2007-05-14 | 2010-05-26 | 中国科学院过程工程研究所 | 一种资源化处理有色金属加工含氨和硫酸根废水的方法 |
CN102079601B (zh) * | 2009-11-30 | 2012-06-27 | 中国科学院广州地球化学研究所 | 一种稀土湿法冶炼废水资源回收及废水零排放处理工艺 |
CN101967559A (zh) * | 2010-07-20 | 2011-02-09 | 包头市京瑞新材料有限公司 | 碳酸稀土沉淀废水自回用方法 |
CN101967557B (zh) * | 2010-07-20 | 2012-09-26 | 包头市京瑞新材料有限公司 | 碳酸稀土沉淀废水回用到萃取分离工艺洗涤有机、配制反萃液和洗液方法 |
CN103223328B (zh) * | 2013-05-07 | 2014-09-17 | 杭州电子科技大学 | 一种处理稀土生产废水的天然沸石氨基磷酸羧酸化方法 |
CN103638803B (zh) * | 2013-12-19 | 2015-07-15 | 宜兴新威利成稀土有限公司 | 稀土废气处理系统 |
CN104876383A (zh) * | 2015-06-15 | 2015-09-02 | 常州市大江干燥设备有限公司 | 一种氯化铵废液分解回收制氨水和氯化钙溶液的方法 |
CN107162305A (zh) * | 2017-07-07 | 2017-09-15 | 金川集团股份有限公司 | 一种酸性废水处理装置及其使用方法 |
CN110776182B (zh) * | 2019-10-24 | 2022-02-08 | 华新绿源(内蒙古)环保产业发展有限公司 | 一种稀土碱法浸出工艺中稀土氨氮废水综合处理的方法 |
CN112266060A (zh) * | 2020-09-30 | 2021-01-26 | 甘肃稀土新材料股份有限公司 | 一种利用中和后稀土草酸沉淀废水去除废水中氟的方法 |
-
2000
- 2000-07-04 CN CN 00119174 patent/CN1122645C/zh not_active Expired - Fee Related
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Publication number | Publication date |
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CN1331055A (zh) | 2002-01-16 |
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