PE20001531A1 - BIODEGRADATION OF THIOCYANATE AND CYANIDE - Google Patents
BIODEGRADATION OF THIOCYANATE AND CYANIDEInfo
- Publication number
- PE20001531A1 PE20001531A1 PE1999001253A PE00125399A PE20001531A1 PE 20001531 A1 PE20001531 A1 PE 20001531A1 PE 1999001253 A PE1999001253 A PE 1999001253A PE 00125399 A PE00125399 A PE 00125399A PE 20001531 A1 PE20001531 A1 PE 20001531A1
- Authority
- PE
- Peru
- Prior art keywords
- reactor
- solution
- cyanide
- thiocyanate
- contained
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1231—Treatments of toxic sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
SE REFIERE A UN METODO, PARA TRATAR UNA SOLUCION QUE CONTIENE TIOCIANATO o CIANURO, QUE COMPRENDE: i) HACER QUE DICHA SOLUCION, CONTENIDA EN UN PRIMER REACTOR, Y QUE PREVIAMENTE SE SOMETIO A UNA FASE DE TRATAMIENTO DE METALES PESADOS, ENTRE EN CONTACTO AL MENOS CON UNA COMBINACION DE BACTERIAS ACTIVAS CONTENIDAS EN UN CULTIVO MICROBIANO Y UN CULTIVO FUNGAL, TAL COMO FUSARIUM OXYSPORUM; ii) INTRODUCIR AIRE EN LA SOLUCION DEL PRIMER REACTOR; iii) VARIAR EL TIEMPO DE RETENCION ABSOLUTO DE LA SOLUCION EN EL PRIMER REACTOR, DE 4 A 24 HORAS, DEPENDIENDO DE LA CONCENTRACION DE TIOCIANATO Y CIANURO EN EL INFLUENTE; iv) SOMETER EL MATERIAL DESCARGADO POR EL PRIMER REACTOR A UNA FASE DE SEPARACION DE LIQUIDO/SOLIDO, Y HACER REGRESAR AL MENOS UNA PORCION DE LOS SOLIDOS SEPARADOS AL PRIMER REACTOR PARA MANTENER UNA POBLACION BIOLOGICA ACTIVA EN EL PRIMER REACTOR; Y, v) PURGAR EL EXCESO DE LODO RETIRADO DEL PRIMER REACTOR, PARA EVITAR EL ENVENENAMIENTO DE LA BIOMASA POR LOS METALES PESADOS EN EL PRIMER REACTORIT REFERS TO A METHOD TO TREAT A SOLUTION CONTAINING THIOCYANATE or CYANIDE, WHICH INCLUDES: i) MAKING SUCH SOLUTION, CONTAINED IN A FIRST REACTOR, AND WHICH PREVIOUSLY UNDERGOES A HEAVY METAL TREATMENT PHASE, IN CONTACT LESS WITH A COMBINATION OF ACTIVE BACTERIA CONTAINED IN A MICROBIAL AND A FUNGAL CULTURE, SUCH AS FUSARIUM OXYSPORUM; ii) INTRODUCE AIR INTO THE FIRST REACTOR SOLUTION; iii) VARY THE ABSOLUTE RETENTION TIME OF THE SOLUTION IN THE FIRST REACTOR, FROM 4 TO 24 HOURS, DEPENDING ON THE CONCENTRATION OF THIOCYANATE AND CYANIDE IN THE INFLUENT; iv) SUBMIT THE MATERIAL DISCHARGED BY THE FIRST REACTOR TO A LIQUID / SOLID SEPARATION PHASE, AND MAKE AT LEAST A PORTION OF THE SEPARATED SOLIDS RETURN TO THE FIRST REACTOR TO KEEP A BIOLOGICAL POPULATION ACTIVE IN THE FIRST REACTOR; AND, v) PURGE THE EXCESS OF SLUDGE REMOVED FROM THE FIRST REACTOR, TO AVOID THE POISONING OF THE BIOMASS BY HEAVY METALS IN THE FIRST REACTOR
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA9811422 | 1998-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PE20001531A1 true PE20001531A1 (en) | 2001-01-04 |
Family
ID=25587458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PE1999001253A PE20001531A1 (en) | 1998-12-14 | 1999-12-14 | BIODEGRADATION OF THIOCYANATE AND CYANIDE |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2226000A (en) |
| PE (1) | PE20001531A1 (en) |
| WO (1) | WO2000035816A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005100243A1 (en) * | 2004-04-15 | 2005-10-27 | Suuri Kulta Ab | A process for the removal of thiocyanate from effluent |
| US9404168B2 (en) | 2013-11-01 | 2016-08-02 | Corem | Cyanide-leaching process |
| CN110656067A (en) * | 2019-10-31 | 2020-01-07 | 平顶山华兴浮选工程技术服务有限公司 | Preparation method and application of cyanogen removing agent for aluminum electrolysis cell overhaul residues |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5130162A (en) * | 1974-09-06 | 1976-03-15 | Sumitomo Shipbuild Machinery | Nitoriru oyobi shianganjuhaisuinoshoriho |
| EP0110715A1 (en) * | 1982-12-02 | 1984-06-13 | Uss Engineers And Consultants, Inc. | Method of nitrification of ammonia-containing wastewaters |
| US4440644A (en) * | 1983-04-20 | 1984-04-03 | Homestake Mining Company | Method for the biological removal of free and complex cyanides and thiocyanates from water |
| US5169532A (en) * | 1991-07-08 | 1992-12-08 | Homestake Mining Company | Method for biological removal of cyanides, thiocyanate and toxic heavy metals from highly alkaline environments |
| JP3685583B2 (en) * | 1997-03-28 | 2005-08-17 | 東京瓦斯株式会社 | Cyanide-degrading bacteria |
-
1999
- 1999-12-14 PE PE1999001253A patent/PE20001531A1/en not_active Application Discontinuation
- 1999-12-14 WO PCT/ZA1999/000137 patent/WO2000035816A1/en active Application Filing
- 1999-12-14 AU AU22260/00A patent/AU2226000A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU2226000A (en) | 2000-07-03 |
| WO2000035816A1 (en) | 2000-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC | Refusal |