ZA942118B - A method for purifying industrial sewage water - Google Patents
A method for purifying industrial sewage waterInfo
- Publication number
- ZA942118B ZA942118B ZA942118A ZA942118A ZA942118B ZA 942118 B ZA942118 B ZA 942118B ZA 942118 A ZA942118 A ZA 942118A ZA 942118 A ZA942118 A ZA 942118A ZA 942118 B ZA942118 B ZA 942118B
- Authority
- ZA
- South Africa
- Prior art keywords
- precipitation
- stage
- sewage water
- industrial sewage
- effected
- 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/906—Phosphorus containing
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Biological Treatment Of Waste Water (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9301283A SE508836C2 (sv) | 1993-04-20 | 1993-04-20 | Förfarande för rening av industriellt avloppsvatten genom utfällning i två steg |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA942118B true ZA942118B (en) | 1994-10-25 |
Family
ID=20389613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA942118A ZA942118B (en) | 1993-04-20 | 1994-03-25 | A method for purifying industrial sewage water |
Country Status (9)
Country | Link |
---|---|
US (1) | US5618439A (sv) |
EP (1) | EP0622338B1 (sv) |
AT (1) | ATE157333T1 (sv) |
CA (1) | CA2120989C (sv) |
DE (1) | DE69405146T2 (sv) |
ES (1) | ES2106490T3 (sv) |
GR (1) | GR3024702T3 (sv) |
SE (1) | SE508836C2 (sv) |
ZA (1) | ZA942118B (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09192677A (ja) * | 1996-01-16 | 1997-07-29 | Mitsubishi Heavy Ind Ltd | ひ素含有廃水の処理方法 |
US5954969A (en) * | 1996-04-15 | 1999-09-21 | Hedin; Robert S. | Recovery of iron oxides from polluted coal mine drainage |
JPH10128396A (ja) * | 1996-10-29 | 1998-05-19 | Mitsubishi Heavy Ind Ltd | ひ素含有汚泥の処理方法 |
SE514409C2 (sv) | 1999-06-17 | 2001-02-19 | Boliden Mineral Ab | Förfarande för total utfällning av värdemetaller ur en sur laklösning |
JP3769148B2 (ja) * | 1999-07-05 | 2006-04-19 | シャープ株式会社 | 排水処理装置 |
FI115533B (sv) * | 2001-06-29 | 2005-05-31 | Outokumpu Oy | Förfarande för avlägsnande av metaller från vattenlösningar genom kalkutfällning |
US7494586B2 (en) * | 2004-10-27 | 2009-02-24 | Concrete Washout Systems, Inc. | Treatment system for liquid concrete washout waste |
US20080053909A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Ammonia recovery process |
US20080053913A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Nutrient recovery process |
US20080156726A1 (en) * | 2006-09-06 | 2008-07-03 | Fassbender Alexander G | Integrating recycle stream ammonia treatment with biological nutrient removal |
DE102007004310A1 (de) * | 2007-01-29 | 2008-07-31 | Siemens Ag | Verfahren und Vorrichtung zur Reinigung von mit Sulfat-Ionen und Schwermetall-Ionen verunreinigtem Wasser |
NL1044340B1 (en) | 2022-05-25 | 2023-12-12 | Taniq Holding Bv | Inflatable fibre reinforced bag |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3617559A (en) * | 1970-04-30 | 1971-11-02 | Us Interior | Neutralization of ferrous iron-containing acid wastes |
US3738932A (en) * | 1971-04-19 | 1973-06-12 | Bethlehem Steel Corp | Method for treating acid water containing metallic values |
CS181403B1 (en) * | 1974-12-22 | 1978-03-31 | Svatopluk Mackrle | Method and device for with organic substances strongly polluted waste water treatment in industry and agriculture |
US4320012A (en) * | 1979-01-22 | 1982-03-16 | Palm Gordon F | Neutralization of phosphoric acid waste waters |
US4465597B2 (en) * | 1981-08-10 | 1997-07-01 | Tetra Tech | Treatment of industrial wastewaters |
SE452307B (sv) * | 1983-09-12 | 1987-11-23 | Boliden Ab | Forfarande for rening av fororenade vattenlosningar innehallande arsenik och/eller fosfor |
US4606829A (en) * | 1984-06-13 | 1986-08-19 | Bethlehem Steel Corporation | Removal of complexed zinc-cyanide from wastewater with improved sludge stability |
US4543189A (en) * | 1984-06-13 | 1985-09-24 | Bethlehem Steel Corp. | Removal of complexed zinc-cyanide from wastewater |
US4698163A (en) * | 1985-11-12 | 1987-10-06 | Amax Inc. | Treatment of phosphate-containing wastewater |
US4657680A (en) * | 1985-11-12 | 1987-04-14 | Amax Inc. | Wastewater treatment |
GB2216114A (en) * | 1988-03-30 | 1989-10-04 | Stig Arvid Henrikson | A continuous chemical precipitation process for water using lime |
JPH03137987A (ja) * | 1989-10-23 | 1991-06-12 | Mitsubishi Materials Corp | 排水処理法 |
US5039428B1 (en) * | 1990-03-05 | 1994-04-12 | Tetra Technologoes Inc | Waste water treatment process using improved recycle of high density sludge |
JPH04267994A (ja) * | 1991-02-25 | 1992-09-24 | Kurita Water Ind Ltd | 金属含有廃水の処理方法 |
DE4136616A1 (de) * | 1991-11-07 | 1993-05-13 | Henkel Kgaa | Ausflockung |
-
1993
- 1993-04-20 SE SE9301283A patent/SE508836C2/sv not_active IP Right Cessation
-
1994
- 1994-03-24 US US08/216,957 patent/US5618439A/en not_active Expired - Fee Related
- 1994-03-25 ZA ZA942118A patent/ZA942118B/xx unknown
- 1994-04-11 CA CA002120989A patent/CA2120989C/en not_active Expired - Fee Related
- 1994-04-18 AT AT94850056T patent/ATE157333T1/de not_active IP Right Cessation
- 1994-04-18 ES ES94850056T patent/ES2106490T3/es not_active Expired - Lifetime
- 1994-04-18 EP EP94850056A patent/EP0622338B1/en not_active Expired - Lifetime
- 1994-04-18 DE DE69405146T patent/DE69405146T2/de not_active Expired - Fee Related
-
1997
- 1997-09-11 GR GR970402344T patent/GR3024702T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ES2106490T3 (es) | 1997-11-01 |
SE9301283L (sv) | 1994-10-21 |
US5618439A (en) | 1997-04-08 |
EP0622338B1 (en) | 1997-08-27 |
ATE157333T1 (de) | 1997-09-15 |
SE508836C2 (sv) | 1998-11-09 |
DE69405146T2 (de) | 1998-01-02 |
SE9301283D0 (sv) | 1993-04-20 |
DE69405146D1 (de) | 1997-10-02 |
GR3024702T3 (en) | 1997-12-31 |
EP0622338A1 (en) | 1994-11-02 |
CA2120989A1 (en) | 1994-10-21 |
CA2120989C (en) | 1998-07-14 |
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