JP2014014742A - 1,4−ジオキサンの分解方法 - Google Patents
1,4−ジオキサンの分解方法 Download PDFInfo
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- JP2014014742A JP2014014742A JP2012152235A JP2012152235A JP2014014742A JP 2014014742 A JP2014014742 A JP 2014014742A JP 2012152235 A JP2012152235 A JP 2012152235A JP 2012152235 A JP2012152235 A JP 2012152235A JP 2014014742 A JP2014014742 A JP 2014014742A
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- dioxane
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- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 29
- 239000003673 groundwater Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 9
- JHUUPUMBZGWODW-UHFFFAOYSA-N 3,6-dihydro-1,2-dioxine Chemical compound C1OOCC=C1 JHUUPUMBZGWODW-UHFFFAOYSA-N 0.000 claims abstract 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 42
- 238000000354 decomposition reaction Methods 0.000 claims description 38
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 30
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 235000010323 ascorbic acid Nutrition 0.000 claims description 15
- 229960005070 ascorbic acid Drugs 0.000 claims description 15
- 239000011668 ascorbic acid Substances 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 13
- 229910052725 zinc Inorganic materials 0.000 claims description 10
- 239000011701 zinc Substances 0.000 claims description 10
- 235000006408 oxalic acid Nutrition 0.000 claims description 9
- 230000033116 oxidation-reduction process Effects 0.000 claims description 9
- 235000015165 citric acid Nutrition 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical group C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 claims description 5
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 5
- 239000012279 sodium borohydride Substances 0.000 claims description 5
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 5
- 235000011150 stannous chloride Nutrition 0.000 claims description 5
- 239000001119 stannous chloride Substances 0.000 claims description 5
- 150000007524 organic acids Chemical class 0.000 claims description 4
- 150000001735 carboxylic acids Chemical class 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 abstract description 6
- 230000001603 reducing effect Effects 0.000 description 12
- 239000000843 powder Substances 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- 241000282412 Homo Species 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- OIXUJRCCNNHWFI-UHFFFAOYSA-N 1,2-dioxane Chemical compound C1CCOOC1 OIXUJRCCNNHWFI-UHFFFAOYSA-N 0.000 description 1
- VDFVNEFVBPFDSB-UHFFFAOYSA-N 1,3-dioxane Chemical compound C1COCOC1 VDFVNEFVBPFDSB-UHFFFAOYSA-N 0.000 description 1
- FZTLLUYFWAOGGB-UHFFFAOYSA-N 1,4-dioxane dioxane Chemical compound C1COCCO1.C1COCCO1 FZTLLUYFWAOGGB-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
【解決手段】土壌又は地下水中の1,4−ジオキサンを金属に接触させた状態で還元剤を作用させることを特徴とした1,4−ジオキサンの分解方法を提供する。
【選択図】 図1
Description
また、酸化剤、オゾン、過酸化水素は有害で処理水中に微量残存し、これを完全に除去するのは難しいという問題があった。このため、オゾンあるいは過酸化水素を用いる従来の処理方法では特に地下環境の土壌、地下水の浄化には適さないという重大な欠点があった。
以上の理由から、土壌及び地下水中の1,4−ジオキサンの環境負荷の小さな分解技術の開発が求められていた。
次に、発明者らは、図1に示すように、上記還元性のある金属と還元剤を組み合わせ、還元力を高める条件を調査した。
Claims (6)
- 土壌又は地下水中の1,4−ジオキサンを金属に接触させた状態で還元剤を作用させることを特徴とする1,4−ジオキサンの分解方法。
- 前記金属は、鉄、又はその合金、又は亜鉛、又はその合金などであって、その酸化還元電位が0以下である金属を用いることを特徴とする請求項1に記載の1,4−ジオキサンの分解方法。
- 還元剤は、アスコルビン酸、クエン酸、シュウ酸などであって、その酸化還元電位が0以下である有機酸若しくはカルボン酸を用いることを特徴とする請求項1に記載の1,4−ジオキサンの分解方法。
- 還元剤は、塩化第一スズ、水素化ホウ素ナトリウムなどであって、その酸化還元電位が0以下である無機還元剤を用いることを特徴とする請求項1に記載の1,4−ジオキサンの分解方法。
- 1,4−ジオキサン含有土壌に鉄粉を混合した後、事前にアスコルビン酸、又はクエン酸、又はシュウ酸の還元剤で酸素を除き、その後同じ還元剤を添加することを特徴とする1,4−ジオキサンの分解方法。
- 1,4−ジオキサン含有地下水を鉄粉に接触させた状態で、事前にアスコルビン酸、又はクエン酸、又はシュウ酸の還元剤で酸素を除き、その後同じ還元剤を添加することを特徴とする1,4−ジオキサンの分解方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104016472A (zh) * | 2014-05-19 | 2014-09-03 | 山东省水利科学研究院 | 用于处理地下水硝酸盐反应材料的再生还原剂及投注工艺 |
JP2017164731A (ja) * | 2016-03-11 | 2017-09-21 | 有限会社エコルネサンス・エンテック | 土壌汚染物質の対策方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11235578A (ja) * | 1997-12-16 | 1999-08-31 | Ebara Corp | 有機ハロゲン化合物汚染物の浄化方法 |
US20070280785A1 (en) * | 2004-02-26 | 2007-12-06 | Block Philip A | Oxidation Of Organic Compounds At High Ph |
JP2011173089A (ja) * | 2010-02-25 | 2011-09-08 | Kurita Water Ind Ltd | 汚染土壌及び/又は地下水の浄化方法 |
JP2011251208A (ja) * | 2010-05-31 | 2011-12-15 | Taisei Corp | 透過性地下水浄化体の性能回復方法 |
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2012
- 2012-07-06 JP JP2012152235A patent/JP6111027B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11235578A (ja) * | 1997-12-16 | 1999-08-31 | Ebara Corp | 有機ハロゲン化合物汚染物の浄化方法 |
US20070280785A1 (en) * | 2004-02-26 | 2007-12-06 | Block Philip A | Oxidation Of Organic Compounds At High Ph |
JP2008506511A (ja) * | 2004-02-26 | 2008-03-06 | エフ エム シー コーポレーション | 高pHにおける有機化合物の酸化 |
JP2011173089A (ja) * | 2010-02-25 | 2011-09-08 | Kurita Water Ind Ltd | 汚染土壌及び/又は地下水の浄化方法 |
JP2011251208A (ja) * | 2010-05-31 | 2011-12-15 | Taisei Corp | 透過性地下水浄化体の性能回復方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104016472A (zh) * | 2014-05-19 | 2014-09-03 | 山东省水利科学研究院 | 用于处理地下水硝酸盐反应材料的再生还原剂及投注工艺 |
JP2017164731A (ja) * | 2016-03-11 | 2017-09-21 | 有限会社エコルネサンス・エンテック | 土壌汚染物質の対策方法 |
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