RO86178B1 - Procedeu de separare a elementelor utile din deseuri de salmiac - Google Patents
Procedeu de separare a elementelor utile din deseuri de salmiacInfo
- Publication number
- RO86178B1 RO86178B1 RO110641A RO11064183A RO86178B1 RO 86178 B1 RO86178 B1 RO 86178B1 RO 110641 A RO110641 A RO 110641A RO 11064183 A RO11064183 A RO 11064183A RO 86178 B1 RO86178 B1 RO 86178B1
- Authority
- RO
- Romania
- Prior art keywords
- precipitation
- residual
- separation
- wet milling
- salmiac
- Prior art date
Links
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
- Manufacture And Refinement Of Metals (AREA)
Abstract
Procedeul conform inventiei se caracterizeaza prin aceea ca în scopul optimizarii fluxului tehnologic efectueaza granularea deseurilor de salmiac în conditii uzuale urmata de macinarea umeda pentru solubilizarea clorurilor continute dupa decantare si filtrarea tulburelii si separarea de filtrat a zincului prin precipitarea cu var acidularea solutiei reziduale ramase cu continut de 100....200 g/lclorura de calciu si amoniu si maximum 1 g/1Zn cu HCl pana la pH 1,5....2 si iesirea cu aceasta solutie a minereurilor oxidice sarace cu continut de 3Pb timp de 1....2 h la 60 degree C pentru precipitarea PbCl2 si apoi separarea prin precipitare selectiva aCu si respectiv cu continut în minereu si în solutia reziduala folosita la iesire dupa separarea precipitatiilor de Pb, Cu si Zn si eventuala purificare în conditii uzuale de ioni de clor se recircula în faza de macinare umeda a deseurilor de salmiac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO110641A RO86178B1 (ro) | 1983-04-14 | 1983-04-14 | Procedeu de separare a elementelor utile din deseuri de salmiac |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO110641A RO86178B1 (ro) | 1983-04-14 | 1983-04-14 | Procedeu de separare a elementelor utile din deseuri de salmiac |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO86178A2 RO86178A2 (ro) | 1985-02-25 |
| RO86178B1 true RO86178B1 (ro) | 1985-03-01 |
Family
ID=20112922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO110641A RO86178B1 (ro) | 1983-04-14 | 1983-04-14 | Procedeu de separare a elementelor utile din deseuri de salmiac |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO86178B1 (ro) |
-
1983
- 1983-04-14 RO RO110641A patent/RO86178B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO86178A2 (ro) | 1985-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4996032A (en) | Process for removing sulfur dioxide from flue gases | |
| US3925534A (en) | Treatment of cement kiln flue dust | |
| JP3625270B2 (ja) | 廃棄物の処理方法 | |
| JPS60143893A (ja) | 水溶液の精製方法 | |
| MXPA03005959A (es) | Produccion de oxido de zinc apartir de concentrados de un sulfuro complejo usando un procesamiento de cloruro. | |
| JPH04265189A (ja) | 飛散ダストの処理方法 | |
| DE3672237D1 (de) | Verfahren zur abtrennung von sulfationen aus abwaessern. | |
| EP0679426B1 (en) | Magnesium-enhanced sulfur dioxide scrubbing with gypsum formation | |
| JP2011144058A (ja) | 焼却飛灰及びセメントキルン燃焼ガス抽気ダストの処理方法及び処理装置 | |
| KR101484575B1 (ko) | 황산 폐액 처리 방법 및 그 장치 | |
| JP3646245B2 (ja) | 重金属含有飛灰の処理方法 | |
| JP4071973B2 (ja) | 塩化物含有ダストの処理方法 | |
| EP0462781B1 (en) | Method for desulphurizing exhaust smoke | |
| RO86178B1 (ro) | Procedeu de separare a elementelor utile din deseuri de salmiac | |
| JP3766908B2 (ja) | 廃棄物の処理方法 | |
| US6645458B1 (en) | Method for making an aqueous sodium chloride solution | |
| JP3813052B2 (ja) | 重金属等を含有する飛灰の処理方法 | |
| US3684492A (en) | Process for the preparation of arsenic-free copper cement from arsenical acid solutions | |
| JPS56144792A (en) | Disposal of fluorine-containing waste water | |
| JP4026167B2 (ja) | 廃棄物脱水ケーキの処理方法 | |
| JPH09316557A (ja) | 飛灰からの有価物回収方法 | |
| JP3733452B2 (ja) | 廃棄物の処理方法 | |
| JP2003138321A (ja) | 溶融飛灰から有価物を回収する方法 | |
| EP0364423B1 (en) | A method for purifying contaminated aqueous solutions | |
| JP2002282867A (ja) | 排水の処理方法 |