JP7217581B2 - 汚染土壌の分級洗浄処理方法 - Google Patents
汚染土壌の分級洗浄処理方法 Download PDFInfo
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- JP7217581B2 JP7217581B2 JP2019065336A JP2019065336A JP7217581B2 JP 7217581 B2 JP7217581 B2 JP 7217581B2 JP 2019065336 A JP2019065336 A JP 2019065336A JP 2019065336 A JP2019065336 A JP 2019065336A JP 7217581 B2 JP7217581 B2 JP 7217581B2
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- 239000002689 soil Substances 0.000 title claims description 192
- 238000000034 method Methods 0.000 title claims description 28
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- 239000003112 inhibitor Substances 0.000 claims description 50
- 239000002245 particle Substances 0.000 claims description 40
- 239000011347 resin Substances 0.000 claims description 37
- 229920005989 resin Polymers 0.000 claims description 37
- 229920000642 polymer Polymers 0.000 claims description 30
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 37
- 238000010586 diagram Methods 0.000 description 22
- 239000002250 absorbent Substances 0.000 description 18
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 13
- 239000001110 calcium chloride Substances 0.000 description 13
- 229910001628 calcium chloride Inorganic materials 0.000 description 13
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- 239000000356 contaminant Substances 0.000 description 12
- 238000000926 separation method Methods 0.000 description 10
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- 230000018044 dehydration Effects 0.000 description 9
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- 239000010419 fine particle Substances 0.000 description 9
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- 230000002745 absorbent Effects 0.000 description 7
- 229910052792 caesium Inorganic materials 0.000 description 7
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 7
- 230000005855 radiation Effects 0.000 description 7
- 230000002285 radioactive effect Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
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- 150000001768 cations Chemical class 0.000 description 3
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- 238000010438 heat treatment Methods 0.000 description 3
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- 230000000996 additive effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
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- 239000004576 sand Substances 0.000 description 2
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 240000001417 Vigna umbellata Species 0.000 description 1
- 235000011453 Vigna umbellata Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
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- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
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- 229910052602 gypsum Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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- 239000013049 sediment Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- 239000002562 thickening agent Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Images
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Processing Of Solid Wastes (AREA)
Description
Fs 受入分別施設
Fc 分級洗浄施設
BM 破袋機
SV1,SV2 篩機
BC1~BC4 ベルトコンベア
WM 洗浄処理装置
CM 分級処理装置
DM 分離処理装置
DHM 脱水処理装置
DWM 排水処理装置
S1~S4 土壌
Sc 除去土壌
Sp 浄化済等土壌
Sd 脱水ケーキ
Pf 細粒分
Pc 粗粒分
Ph 汚染物質
Claims (2)
- 高分子吸水性樹脂を含む汚染土壌の分級洗浄処理の分級洗浄方法であって、
前記汚染土壌の分級洗浄処理の開始時に、前記汚染土壌に膨潤抑制剤を添加し、
前記膨潤抑制剤は硫酸第一鉄七水和塩を含み、前記硫酸第一鉄七水和塩の添加量は、0.5~3wt%であることを特徴とする汚染土壌の分級洗浄方法。 - 前記膨潤抑制剤の添加量を変えることにより、前記分級洗浄処理において篩を通過する土粒子の量および前記篩を通過せず残留する土粒子の量を制御することを特徴とする請求項1記載の汚染土壌の分級洗浄方法。
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JP2019065336A JP7217581B2 (ja) | 2019-03-29 | 2019-03-29 | 汚染土壌の分級洗浄処理方法 |
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JP2020163265A JP2020163265A (ja) | 2020-10-08 |
JP7217581B2 true JP7217581B2 (ja) | 2023-02-03 |
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Families Citing this family (1)
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CN112718832B (zh) * | 2020-12-17 | 2022-07-29 | 中赣核生态修复工程(江西)有限公司 | 一种重金属污染土壤的自分散修复方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006328321A (ja) | 2005-05-30 | 2006-12-07 | Nippon Shokubai Co Ltd | 含水土壌の粒状化方法および含水土壌処理剤 |
JP2013092428A (ja) | 2011-10-25 | 2013-05-16 | Shimizu Corp | 放射性物質汚染土壌の洗浄処理方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2019103989A (ja) * | 2017-12-14 | 2019-06-27 | 清水建設株式会社 | 汚染土壌の洗浄分級処理方法 |
JP2019021336A (ja) * | 2018-10-03 | 2019-02-07 | パイオニア株式会社 | サーバ装置、端末装置、情報提示システム、情報提示方法、情報提示プログラムおよび記録媒体 |
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- 2019-03-29 JP JP2019065336A patent/JP7217581B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006328321A (ja) | 2005-05-30 | 2006-12-07 | Nippon Shokubai Co Ltd | 含水土壌の粒状化方法および含水土壌処理剤 |
JP2013092428A (ja) | 2011-10-25 | 2013-05-16 | Shimizu Corp | 放射性物質汚染土壌の洗浄処理方法 |
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