KR100440539B1 - 폐석고(廢石膏)중의 유용 성분의 회수방법 - Google Patents
폐석고(廢石膏)중의 유용 성분의 회수방법 Download PDFInfo
- Publication number
- KR100440539B1 KR100440539B1 KR10-2001-0066787A KR20010066787A KR100440539B1 KR 100440539 B1 KR100440539 B1 KR 100440539B1 KR 20010066787 A KR20010066787 A KR 20010066787A KR 100440539 B1 KR100440539 B1 KR 100440539B1
- Authority
- KR
- South Korea
- Prior art keywords
- waste
- gypsum
- sulfuric acid
- waste gypsum
- filtered
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- 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
Abstract
Description
투입율(%) | Cu | Fe | Zn |
30 | 98 | 97 | 98 |
30 | 98 | 97 | 98 |
40 | 91 | 85 | 95 |
Claims (4)
- 비철제련 과정에서 발생하는 폐황산의 중화처리시 생성되는 폐석고에서 석고, 유가금속의 유용성분을 회수하는 방법으로서,폐석고에 폐황산을 하기 수식에 의해 폐석고 혼합율이 30% 이하가 되도록 혼합하여 산세한 후 이를 여과하여 석고성분을 회수하는 단계;H2S 또는 NaSH의 유화제를 유가금속 반응당량의 1.5배를 첨가하여 유화물 형태의 유가금속을 회수하는 단계;탄산칼슘을 pH 3~4의 범위로 첨가하여 중화시킨 후 여과하여 황산성분을 회수하는 단계; 및소석회를 pH 9~12의 범위로 첨가한 후 여과하여 불순물을 수산화물로 침전시키는 단계를 포함하는 폐석고에서 유용성분을 회수하는 방법:폐석고 투입율= 폐석고 건량/[(폐황산중의 황산량×172÷98)+페석고 건량]× 100.
- 삭제
- 삭제
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0066787A KR100440539B1 (ko) | 2001-10-29 | 2001-10-29 | 폐석고(廢石膏)중의 유용 성분의 회수방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0066787A KR100440539B1 (ko) | 2001-10-29 | 2001-10-29 | 폐석고(廢石膏)중의 유용 성분의 회수방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030034955A KR20030034955A (ko) | 2003-05-09 |
KR100440539B1 true KR100440539B1 (ko) | 2004-07-21 |
Family
ID=29566828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0066787A KR100440539B1 (ko) | 2001-10-29 | 2001-10-29 | 폐석고(廢石膏)중의 유용 성분의 회수방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100440539B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114703368A (zh) * | 2022-02-21 | 2022-07-05 | 云锡文山锌铟冶炼有限公司 | 处理含锌铟石膏渣的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR830010001A (ko) * | 1982-04-23 | 1983-12-24 | 이준용 | 인산비료 생산과정에서 유출되는 석고폐수로부터의 불소분 제거 및 인분회수 방법 |
KR850007580A (ko) * | 1984-04-27 | 1985-12-07 | 안정국 | 황산법에 의한 산화티탄 제조시 발생하는 폐황산의 처리방법 |
JPS6256540A (ja) * | 1985-09-05 | 1987-03-12 | Sumitomo Metal Mining Co Ltd | 銅製錬工程からのレニウムの回収方法 |
JPH07286221A (ja) * | 1994-04-15 | 1995-10-31 | Sumitomo Metal Mining Co Ltd | 非鉄金属製錬工程からのレニウムの回収方法 |
-
2001
- 2001-10-29 KR KR10-2001-0066787A patent/KR100440539B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR830010001A (ko) * | 1982-04-23 | 1983-12-24 | 이준용 | 인산비료 생산과정에서 유출되는 석고폐수로부터의 불소분 제거 및 인분회수 방법 |
KR850007580A (ko) * | 1984-04-27 | 1985-12-07 | 안정국 | 황산법에 의한 산화티탄 제조시 발생하는 폐황산의 처리방법 |
JPS6256540A (ja) * | 1985-09-05 | 1987-03-12 | Sumitomo Metal Mining Co Ltd | 銅製錬工程からのレニウムの回収方法 |
JPH07286221A (ja) * | 1994-04-15 | 1995-10-31 | Sumitomo Metal Mining Co Ltd | 非鉄金属製錬工程からのレニウムの回収方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20030034955A (ko) | 2003-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2001279996B2 (en) | Water treatment method | |
KR100426231B1 (ko) | 황화물구리광석또는농축물로부터구리를추출하는방법 | |
JP3625270B2 (ja) | 廃棄物の処理方法 | |
KR102556133B1 (ko) | 폐수의 처리 방법 | |
AU2008221187B2 (en) | Method and system for removing manganese from waste liquors | |
US4594102A (en) | Recovery of cobalt and nickel from sulphidic material | |
EP0537143B1 (de) | Zusammensetzung und verfahren zum behandeln von metallionen und organische und/oder anorganische verunreinigungen enthaltendem wasser | |
JPH1099817A (ja) | セメント製造装置抽気ダストの処理方法 | |
KR100440539B1 (ko) | 폐석고(廢石膏)중의 유용 성분의 회수방법 | |
JP3945216B2 (ja) | 廃酸石膏製造方法 | |
CN105692954A (zh) | 一种污酸处理中减少渣产量的方法 | |
KR20200096247A (ko) | 폐수의 처리 방법 | |
US5968229A (en) | Purification of metal containing solutions | |
JP3549560B2 (ja) | 酸洗工程の廃液から有価金属とフッ化カルシウムを回収する方法 | |
MXPA00005885A (es) | Metodo para la precipitacion total de metales valiosos de una solucion de lixiviacion acida. | |
KR100384628B1 (ko) | 스테인레스강산세폐액중의유가금속회수방법 | |
JP3794260B2 (ja) | 廃棄物の処理方法 | |
JP3733452B2 (ja) | 廃棄物の処理方法 | |
EP1522522A1 (de) | Verfahren zur Aufarbeitung eisenbelasteter Gebrauchtschwefelsäure | |
KR100860971B1 (ko) | 철이온을 함유하는 산성폐수로부터 철 화합물의 회수방법 | |
CN111020201B (zh) | 冶炼烟气脱硫石膏提纯除杂的方法 | |
JP4026167B2 (ja) | 廃棄物脱水ケーキの処理方法 | |
WO2002048042A1 (en) | Hydroxide solids enrichment by precipitate contact | |
KR20220089121A (ko) | 폐황산의 처리 방법 | |
WO1988003912A1 (en) | Process for recovering metal values from ferrite wastes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130613 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20140429 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20150508 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20160503 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20170711 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20190703 Year of fee payment: 16 |