CN102965119A - 一种重金属污染土壤稳定剂的制备方法 - Google Patents
一种重金属污染土壤稳定剂的制备方法 Download PDFInfo
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- CN102965119A CN102965119A CN2012104913537A CN201210491353A CN102965119A CN 102965119 A CN102965119 A CN 102965119A CN 2012104913537 A CN2012104913537 A CN 2012104913537A CN 201210491353 A CN201210491353 A CN 201210491353A CN 102965119 A CN102965119 A CN 102965119A
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- heavy
- contaminated soil
- metal contaminated
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000003583 soil stabilizing agent Substances 0.000 title abstract description 4
- 239000002689 soil Substances 0.000 claims abstract description 32
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims abstract description 24
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 150000002681 magnesium compounds Chemical class 0.000 claims abstract description 10
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 9
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 5
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 5
- 239000013081 microcrystal Substances 0.000 claims abstract description 5
- 239000002250 absorbent Substances 0.000 claims abstract description 4
- 230000002745 absorbent Effects 0.000 claims abstract description 4
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001425 magnesium ion Inorganic materials 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000395 magnesium oxide Substances 0.000 claims description 10
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 8
- 239000003352 sequestering agent Substances 0.000 claims description 7
- 239000011790 ferrous sulphate Substances 0.000 claims description 6
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 6
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 235000011089 carbon dioxide Nutrition 0.000 claims description 5
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 4
- 229960001708 magnesium carbonate Drugs 0.000 claims description 4
- 229920002521 macromolecule Polymers 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 abstract description 13
- 238000001556 precipitation Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000006722 reduction reaction Methods 0.000 abstract description 2
- 238000005067 remediation Methods 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 238000005422 blasting Methods 0.000 abstract 1
- 239000002738 chelating agent Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 230000009919 sequestration Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000002386 leaching Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 229910052785 arsenic Inorganic materials 0.000 description 9
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 9
- 239000003153 chemical reaction reagent Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000002910 solid waste Substances 0.000 description 5
- KYQBVRLTJUIMDM-UHFFFAOYSA-N [Cu].[Cr].[Zn].[Cd].[Hg] Chemical compound [Cu].[Cr].[Zn].[Cd].[Hg] KYQBVRLTJUIMDM-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003019 stabilising effect Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- -1 mine tailing Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- ZODDGFAZWTZOSI-UHFFFAOYSA-N nitric acid;sulfuric acid Chemical compound O[N+]([O-])=O.OS(O)(=O)=O ZODDGFAZWTZOSI-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
Description
项目 | 砷 | 铅 | 镉 | 铬 | 汞 | 铜 | 锌 |
未处理 | 12.4 | 33.7 | 0.6 | 0.2 | 0.1 | 83 | 90 |
稳定后 | 0.8 | 1.5 | - | - | - | 12 | 24 |
标准限 | 2.5 | 5 | 0.5 | 12 | 0.25 | 75 | 75 |
项目 | 砷 | 铅 | 镉 | 铬 | 汞 | 铜 | 锌 |
未处理 | 44.8 | 54.2 | 1.2 | 0.3 | 0.3 | 200 | 233 |
稳定后 | 1.7 | 3.5 | - | - | - | 53 | 44 |
标准限 | 2.5 | 5 | 0.5 | 12 | 0.25 | 75 | 75 |
项目 | 砷 | 铅 | 镉 | 铬 | 汞 | 铜 | 锌 |
未处理 | 1.2 | 12 | 0.44 | 0.1 | - | 55 | 78 |
稳定后 | 0.1 | - | - | - | - | 9 | 14 |
标准限 | 0.3 | 0.25 | 0.15 | 4.5 | 0.05 | 40 | 100 |
项目 | 砷 | 铅 | 镉 | 铬 | 汞 | 铜 | 锌 |
未处理 | 1.2 | 12 | 0.44 | 0.1 | - | 55 | 78 |
稳定后 | 0.13 | - | - | - | - | 1.3 | 3 |
标准限 | 0.5 | 1.0 | 0.1 | 1.5 | 0.05 | 2 | 5 |
Claims (7)
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103242853A (zh) * | 2013-05-10 | 2013-08-14 | 黑龙江省科学院自然与生态研究所 | 一种重金属螯合剂及其制备方法 |
CN103586276A (zh) * | 2013-11-25 | 2014-02-19 | 辽宁石油化工大学 | 一种修复镉污染土壤的淋洗方法 |
CN103736717A (zh) * | 2013-12-26 | 2014-04-23 | 江苏盖亚环境工程有限公司 | 一种利用高分子改性聚合物稳定土壤中重金属污染物的方法 |
CN103933696A (zh) * | 2014-03-19 | 2014-07-23 | 上海鼓华生态科技有限公司 | 一种有毒有害固体废弃物固化稳定化用固化剂 |
CN106000361A (zh) * | 2016-07-14 | 2016-10-12 | 胡大苇 | 一种吸附废水中重金属镉的复合吸附材料的制备方法 |
WO2016163310A1 (ja) * | 2015-04-06 | 2016-10-13 | 栗田工業株式会社 | 灰処理用重金属固定化剤およびそれを用いた灰の処理方法 |
CN108500030A (zh) * | 2018-02-23 | 2018-09-07 | 河南师范大学 | 一种Na2EDTA耦合零价铁去除医疗垃圾焚烧飞灰中重金属的方法 |
CN113617822A (zh) * | 2021-08-24 | 2021-11-09 | 江苏省环境科学研究院 | 一种重金属污染地基土修复与安全再利用方法 |
CN113679999A (zh) * | 2021-08-26 | 2021-11-23 | 贵州大学 | 降低铅锌废渣重金属生物有效性的方法及使用的控制材料 |
CN114381270A (zh) * | 2022-01-27 | 2022-04-22 | 清华大学 | 基于工业固废制备的土壤修复剂的制备方法、土壤修复剂及其应用 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1631940A (zh) * | 2004-11-12 | 2005-06-29 | 清华大学 | 用于危险废物稳定化的高分子重金属螯合剂及其制备方法 |
-
2012
- 2012-11-22 CN CN201210491353.7A patent/CN102965119B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1631940A (zh) * | 2004-11-12 | 2005-06-29 | 清华大学 | 用于危险废物稳定化的高分子重金属螯合剂及其制备方法 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103242853A (zh) * | 2013-05-10 | 2013-08-14 | 黑龙江省科学院自然与生态研究所 | 一种重金属螯合剂及其制备方法 |
CN103242853B (zh) * | 2013-05-10 | 2015-09-09 | 黑龙江省科学院自然与生态研究所 | 一种重金属螯合剂及其制备方法 |
CN103586276A (zh) * | 2013-11-25 | 2014-02-19 | 辽宁石油化工大学 | 一种修复镉污染土壤的淋洗方法 |
CN103736717A (zh) * | 2013-12-26 | 2014-04-23 | 江苏盖亚环境工程有限公司 | 一种利用高分子改性聚合物稳定土壤中重金属污染物的方法 |
CN103933696A (zh) * | 2014-03-19 | 2014-07-23 | 上海鼓华生态科技有限公司 | 一种有毒有害固体废弃物固化稳定化用固化剂 |
WO2016163310A1 (ja) * | 2015-04-06 | 2016-10-13 | 栗田工業株式会社 | 灰処理用重金属固定化剤およびそれを用いた灰の処理方法 |
JPWO2016163310A1 (ja) * | 2015-04-06 | 2018-03-01 | 栗田工業株式会社 | 灰処理用重金属固定化剤およびそれを用いた灰の処理方法 |
CN106000361A (zh) * | 2016-07-14 | 2016-10-12 | 胡大苇 | 一种吸附废水中重金属镉的复合吸附材料的制备方法 |
CN106000361B (zh) * | 2016-07-14 | 2018-08-28 | 胡大苇 | 一种吸附废水中重金属镉的复合吸附材料的制备方法 |
CN108500030A (zh) * | 2018-02-23 | 2018-09-07 | 河南师范大学 | 一种Na2EDTA耦合零价铁去除医疗垃圾焚烧飞灰中重金属的方法 |
CN113617822A (zh) * | 2021-08-24 | 2021-11-09 | 江苏省环境科学研究院 | 一种重金属污染地基土修复与安全再利用方法 |
CN113679999A (zh) * | 2021-08-26 | 2021-11-23 | 贵州大学 | 降低铅锌废渣重金属生物有效性的方法及使用的控制材料 |
CN114381270A (zh) * | 2022-01-27 | 2022-04-22 | 清华大学 | 基于工业固废制备的土壤修复剂的制备方法、土壤修复剂及其应用 |
CN114381270B (zh) * | 2022-01-27 | 2023-03-14 | 清华大学 | 基于工业固废制备的土壤修复剂的制备方法、土壤修复剂及其应用 |
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