JP6935069B2 - 酸性温泉水又は酸性鉱山排水の処理方法 - Google Patents
酸性温泉水又は酸性鉱山排水の処理方法 Download PDFInfo
- Publication number
- JP6935069B2 JP6935069B2 JP2017015431A JP2017015431A JP6935069B2 JP 6935069 B2 JP6935069 B2 JP 6935069B2 JP 2017015431 A JP2017015431 A JP 2017015431A JP 2017015431 A JP2017015431 A JP 2017015431A JP 6935069 B2 JP6935069 B2 JP 6935069B2
- Authority
- JP
- Japan
- Prior art keywords
- acidic
- hot spring
- spring water
- crushed stone
- rock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Removal Of Specific Substances (AREA)
Description
[1] pH3未満の酸性温泉水又は酸性鉱山排水に、中和可能であり、超苦鉄質岩、苦鉄質岩及び凝灰岩からなる群から選ばれる少なくとも一種の岩石を含む砕石を投入することにより中和させる工程(中和工程)と、前記中和工程に伴って、前記酸性温泉水又は酸性鉱山排水中に含まれるヒ素、鉛、セシウムからなる群から選ばれた少なくとも一種の元素を前記砕石に吸着させる工程、及び/又は、前記砕石中に含まれるイットリウム、ランタン、セリウム、プラセオジム、ネオジム、サマリウム、ユウロピウム、ガドリニウム、テルビウム、ジスプロシウム、ホルミウム、エルビウム、ツリウム、ルテチウム、イッテルビウムからなる群から選ばれる少なくとも一種の元素を、前記酸性温泉水又は酸性鉱山排水に溶出させて回収する工程とを含むことを特徴とする、酸性温泉水又は酸性鉱山排水の処理方法。
[2]前記回収する工程が、前記元素を含む上澄み液を、少なくともpH3以上に酸性度を低下させて前記元素を含む殿物を回収することを特徴とする、前項1記載の酸性温泉水又は酸性鉱山排水の処理方法。
本発明で好ましく用いられる砕石とは、例えば超苦鉄質岩、苦鉄質岩及び凝灰岩からなる群から選ばれる少なくとも一種の岩石であって、前記超苦鉄質岩は殆どがカンラン石、輝石、角閃石などの苦鉄質鉱物(マフィック鉱物)からなり、長石や石英などの珪長質鉱物(フェルシック鉱物)を殆ど含まない岩石であり、前記苦鉄質岩には枕状溶岩、粗粒玄武岩、玄武岩質火山砕屑岩などが含まれ、また前記凝灰岩には流紋岩質凝灰岩等が含まれる。玄武岩は、苦鉄質火山岩の一種であり、SiO2が45〜52質量%で斑状組織を有するものとして知られ、含まれる鉄分の酸化によって赤 - 紫色の状態もある。SiO2以外の成分として、Al2O3が約15質量%、Fe2O3が数質量%、FeOが約10質量%、MgOが6〜8質量%、CaOが約10質量%を含む岩石である。
また図2において、粗粒玄武岩を投入した後の上澄み液に含まれていたセシウムは、元の温泉水よりも増加しており、前述砕石からセシウムが溶出した。一方、玄武岩質火山砕屑岩の投入により、上澄み液中に含まれるセシウムの濃度は減少していた。前述の砕石混合物を投入した結果、明らかにセシウムの吸着が確認された。
Claims (2)
- pH3未満の酸性温泉水又は酸性鉱山排水に、中和可能であり、超苦鉄質岩、苦鉄質岩及び凝灰岩からなる群から選ばれる少なくとも一種の岩石を含む砕石を投入することにより中和させる工程(中和工程)と、
前記中和工程に伴って、前記酸性温泉水又は酸性鉱山排水中に含まれるヒ素、鉛、セシウムからなる群から選ばれた少なくとも一種の元素を前記砕石に吸着させる工程、及び/又は、前記砕石中に含まれるイットリウム、ランタン、セリウム、プラセオジム、ネオジム、サマリウム、ユウロピウム、ガドリニウム、テルビウム、ジスプロシウム、ホルミウム、エルビウム、ツリウム、ルテチウム、イッテルビウムからなる群から選ばれる少なくとも一種の元素を、前記酸性温泉水又は酸性鉱山排水に溶出させて回収する工程とを
含むことを特徴とする、酸性温泉水又は酸性鉱山排水の処理方法。 - 前記回収する工程が、前記元素を含む上澄み液を、少なくともpH3以上に酸性度を低下させて前記元素を含む殿物を回収することを特徴とする、請求項1記載の酸性温泉水又は酸性鉱山排水の処理方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017015431A JP6935069B2 (ja) | 2017-01-31 | 2017-01-31 | 酸性温泉水又は酸性鉱山排水の処理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017015431A JP6935069B2 (ja) | 2017-01-31 | 2017-01-31 | 酸性温泉水又は酸性鉱山排水の処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018122224A JP2018122224A (ja) | 2018-08-09 |
JP6935069B2 true JP6935069B2 (ja) | 2021-09-15 |
Family
ID=63109161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017015431A Active JP6935069B2 (ja) | 2017-01-31 | 2017-01-31 | 酸性温泉水又は酸性鉱山排水の処理方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6935069B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10954582B2 (en) * | 2019-07-17 | 2021-03-23 | West Virginia University | Systems and processes for recovery of high-grade rare earth concentrate from acid mine drainage |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS495890A (ja) * | 1972-04-28 | 1974-01-19 | ||
JPS5567388A (en) * | 1978-11-16 | 1980-05-21 | Kiichiro Nakajima | Manufacture of mineral water |
JPH06246278A (ja) * | 1993-02-24 | 1994-09-06 | Hazama Gumi Ltd | 坑廃水又は温泉水の処理方法 |
JPH09187775A (ja) * | 1996-01-05 | 1997-07-22 | Ube Chem Ind Co Ltd | 水質並びに底質改良用の難崩壊性苦土系pH調整剤 |
JP2000202462A (ja) * | 1999-01-14 | 2000-07-25 | Daiichi Kogyo Kk | 浄水用軟玉フイルタ―及びその製造方法 |
KR100494492B1 (ko) * | 2003-03-04 | 2005-06-10 | 김환범 | 감람석을 이용한 중금속함유 폐수처리 방법 |
JP2005344056A (ja) * | 2004-06-04 | 2005-12-15 | Toyo Ink Mfg Co Ltd | アルカリ性融雪剤及び融雪方法 |
JP2006026588A (ja) * | 2004-07-20 | 2006-02-02 | Japan Atom Energy Res Inst | 温泉水に溶存する有用・有害金属を回収および除去する方法 |
SE528474C2 (sv) * | 2005-03-04 | 2006-11-21 | Bergsskolan Kompetensutvecklin | Metod för adsorption av metalljoner |
-
2017
- 2017-01-31 JP JP2017015431A patent/JP6935069B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018122224A (ja) | 2018-08-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Naidu et al. | Basic oxygen furnace slag: Review of current and potential uses | |
King et al. | Aqueous acid and alkaline extraction of rare earth elements from coal combustion ash | |
Royer-Lavallée et al. | Removal and potential recovery of rare earth elements from mine water | |
Khan et al. | Chemical speciation and bioavailability of rare earth elements (REEs) in the ecosystem: a review | |
Cha et al. | Evaluation of steel slag for organic and inorganic removals in soil aquifer treatment | |
Yao et al. | A comprehensive review on the applications of coal fly ash | |
Deschamps et al. | Removal of As (III) and As (V) from water using a natural Fe and Mn enriched sample | |
Klauber et al. | Bauxite residue issues: II. options for residue utilization | |
Coleman et al. | Interactions of aqueous Cu2+, Zn2+ and Pb2+ ions with crushed concrete fines | |
Yang et al. | Immobilization persistence of Cu, Cr, Pb, Zn ions by the addition of steel slag in acidic contaminated mine soil | |
US9725341B2 (en) | Methods for removing contaminants from aqueous systems | |
Das et al. | Waste to wealth: Recovery of value-added products from steel slag | |
Klauber et al. | Review of bauxite residue “re-use” options | |
Stage et al. | Selection of potential reactive materials for a permeable reactive barrier for remediating acidic groundwater in acid sulphate soil terrains | |
US7883626B2 (en) | Method for the treatment of acid mine drainage | |
Duan et al. | Harmless treatment of cyanide tailings by a bifunctional strain JK-1 based on biodegradation and biomineralization | |
Akfas et al. | Exploring the potential reuse of PG: A waste or a resource? | |
JP6935069B2 (ja) | 酸性温泉水又は酸性鉱山排水の処理方法 | |
Shabalala et al. | Insights into mechanisms governing the passive removal of inorganic contaminants from acid mine drainage using permeable reactive barrier | |
Stoy et al. | Optimization of Iron Removal in the Recovery of Rare-Earth Elements from Coal Fly Ash Using a Recyclable Ionic Liquid | |
CN110302747B (zh) | 一种采矿剥离废石同步净化工业废水中砷离子和氟离子的方法 | |
AU2013286772B2 (en) | Metalloid contaminated water solution purification process for safe human consumption-rated reduction of contaminant concentration therein, by precipitation without oxidation | |
Arima et al. | Fluoride leaching from tuff breccia and its removal by natural and commercial adsorbents | |
Phat et al. | Review on the removal of Arsenic in groundwater using laterite adsorbent | |
CN115367832B (zh) | 一种钙铁榴石作为As(III)吸附材料的应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20170201 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170327 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190802 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20190805 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200415 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200602 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20200727 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200929 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210209 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210412 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210810 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210818 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6935069 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |