GB2056962A - Process for purifying waste water containing colouring matter - Google Patents
Process for purifying waste water containing colouring matter Download PDFInfo
- Publication number
- GB2056962A GB2056962A GB8026934A GB8026934A GB2056962A GB 2056962 A GB2056962 A GB 2056962A GB 8026934 A GB8026934 A GB 8026934A GB 8026934 A GB8026934 A GB 8026934A GB 2056962 A GB2056962 A GB 2056962A
- Authority
- GB
- United Kingdom
- Prior art keywords
- effluent
- coagulation
- flocculation
- treatment
- process according
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000002351 wastewater Substances 0.000 title claims abstract description 24
- 238000004040 coloring Methods 0.000 title claims abstract description 7
- 238000005345 coagulation Methods 0.000 claims abstract description 40
- 238000005189 flocculation Methods 0.000 claims abstract description 40
- 230000016615 flocculation Effects 0.000 claims abstract description 40
- 230000015271 coagulation Effects 0.000 claims abstract description 38
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 30
- 230000003647 oxidation Effects 0.000 claims abstract description 28
- 238000010908 decantation Methods 0.000 claims abstract description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 14
- 230000001112 coagulating effect Effects 0.000 claims abstract description 4
- 239000007800 oxidant agent Substances 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 8
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 6
- DZUHNVFSJJSSOM-UHFFFAOYSA-K aluminum chlorosulfate Chemical compound [Al+3].[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O DZUHNVFSJJSSOM-UHFFFAOYSA-K 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 6
- 239000011790 ferrous sulphate Substances 0.000 claims description 5
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- VJNLSEXZVJTUSB-UHFFFAOYSA-K [Fe+3].[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O Chemical compound [Fe+3].[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O.[O-]S(Cl)(=O)=O VJNLSEXZVJTUSB-UHFFFAOYSA-K 0.000 claims description 2
- 239000001164 aluminium sulphate Substances 0.000 claims description 2
- 235000011128 aluminium sulphate Nutrition 0.000 claims description 2
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical group O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 claims description 2
- 238000011282 treatment Methods 0.000 description 56
- 229910001868 water Inorganic materials 0.000 description 25
- 239000000243 solution Substances 0.000 description 19
- 229920000867 polyelectrolyte Polymers 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 14
- 235000011941 Tilia x europaea Nutrition 0.000 description 14
- 239000004571 lime Substances 0.000 description 14
- 239000000126 substance Substances 0.000 description 13
- 101150114843 Mgll gene Proteins 0.000 description 12
- 229920001448 anionic polyelectrolyte Polymers 0.000 description 12
- 239000010802 sludge Substances 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 230000008030 elimination Effects 0.000 description 5
- 238000003379 elimination reaction Methods 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 235000011116 calcium hydroxide Nutrition 0.000 description 3
- 239000000701 coagulant Substances 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical class [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000987 azo dye Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241000272168 Laridae Species 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000004411 aluminium Chemical class 0.000 description 1
- 229910052782 aluminium Chemical class 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical class [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000012505 colouration Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000622 liquid--liquid extraction Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000005315 stained glass Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F9/00—Multistage treatment of water, waste water or sewage
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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7921845A FR2464230A1 (fr) | 1979-08-31 | 1979-08-31 | Procede d'epuration des eaux residuaires contenant des matieres colorantes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2056962A true GB2056962A (en) | 1981-03-25 |
Family
ID=9229250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8026934A Withdrawn GB2056962A (en) | 1979-08-31 | 1980-08-19 | Process for purifying waste water containing colouring matter |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5637097A (pt) |
| AR (1) | AR222404A1 (pt) |
| AU (1) | AU6187780A (pt) |
| BE (1) | BE884729A (pt) |
| BR (1) | BR8005526A (pt) |
| DE (1) | DE3032831A1 (pt) |
| DK (1) | DK369580A (pt) |
| ES (1) | ES494662A0 (pt) |
| FR (1) | FR2464230A1 (pt) |
| GB (1) | GB2056962A (pt) |
| GR (1) | GR69828B (pt) |
| IT (1) | IT1132477B (pt) |
| LU (1) | LU82736A1 (pt) |
| NL (1) | NL8004924A (pt) |
| NZ (1) | NZ194657A (pt) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574036A (en) * | 1983-01-17 | 1986-03-04 | Ets. Ch. Scareder & Fils | Method and an installation for purifying industrial waste water, particularly process water from dyeing works |
| US4612124A (en) * | 1983-12-30 | 1986-09-16 | Escrig Ignacio L | Method of sewage treatment |
| WO1987007252A1 (en) * | 1986-05-27 | 1987-12-03 | Marcello Grimani Giustinian, Benedetto | Process for treating pollutant effluent, particularly in the tanning industry, and plant for implementing the process |
| US4724084A (en) * | 1986-03-28 | 1988-02-09 | The Boeing Company | System for removing toxic organics and metals from manufacturing wastewater |
| EP0261019A1 (fr) * | 1986-09-19 | 1988-03-23 | Rhone-Poulenc Chimie | Procédé de traitement des eaux |
| US4804480A (en) * | 1986-12-29 | 1989-02-14 | E. I. Du Pont De Nemours And Company | Destruction of nitrophenols |
| EP0398234A1 (en) * | 1989-05-19 | 1990-11-22 | Degussa Aktiengesellschaft | Improved process for the removal of cyanide from wastewaters |
| DE3932174A1 (de) * | 1989-09-27 | 1991-04-11 | Degussa | Verfahren zur absenkung des aox-gehaltes in wasser |
| US5171453A (en) * | 1986-09-19 | 1992-12-15 | Rhone-Poulenc Chimie | Water clarification/purification |
| FR2689492A1 (fr) * | 1992-04-03 | 1993-10-08 | Omnium Traitement Valorisa | Procédé de traitement des eaux brutes par peroxydo-coagulation et installation pour la mise en Óoeuvre d'un tel procédé. |
| FR2715590A1 (fr) * | 1994-02-01 | 1995-08-04 | Rhone Poulenc Chimie | Procédé d'épuration d'un milieu contenant des déchets organiques. |
| WO1999021801A1 (en) * | 1997-10-29 | 1999-05-06 | Prox T.E.C. Poprad, S.R.O. | Method for water purification based on the fenton reaction |
| US6596176B1 (en) * | 2001-06-26 | 2003-07-22 | Delozier Ii Gerald Edward | Potable water treatable process using hydrogen peroxide and metallic coagulant |
| EP1591422A1 (en) * | 2003-01-31 | 2005-11-02 | Idemitsu Kosan Co., Ltd. | Method of treating wastewater containing hardly decomposable harmful substances |
| CN101700941B (zh) * | 2009-11-20 | 2011-11-09 | 上海应用技术学院 | 一种高端织带染色的废乳化液的破乳净化方法 |
| PT106979A (pt) * | 2013-05-31 | 2014-12-02 | Adventech Advanced Environmental Technologies Lda | Sistema e método para tratamento de efluentes |
| CN109467224A (zh) * | 2018-12-29 | 2019-03-15 | 广东溢达纺织有限公司 | 一种染色残液的回收装置和方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6056910B2 (ja) * | 1982-05-24 | 1985-12-12 | 阪神エレクトリツク株式会社 | 内燃機関用点火装置 |
| DE3840323C2 (de) * | 1988-11-30 | 1995-07-06 | Gelsenwasser Ag | Verfahren zum Entfernen von Pflanzenbehandlungsmitteln aus Rohwasser |
| JP2683991B2 (ja) * | 1992-12-17 | 1997-12-03 | グンゼ株式会社 | 染色廃水処理法 |
| FR2925482B1 (fr) * | 2007-12-20 | 2010-01-15 | Otv Sa | Procede de traitement d'eau par oxydation avancee et floculation lestee, et installation de traitement correspondante. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE487754A (pt) * | 1948-03-22 | |||
| US3944383A (en) * | 1974-03-13 | 1976-03-16 | Oliver Thurston Davis | Dyeing process |
| US3961976A (en) * | 1974-05-17 | 1976-06-08 | Sca Development Aktiebolag | Method of preparing size |
| GB1597342A (en) * | 1977-03-29 | 1981-09-03 | Courtaulds Ltd | Treatment of aqueous effluents containing a dyestuff |
-
1979
- 1979-08-31 FR FR7921845A patent/FR2464230A1/fr not_active Withdrawn
-
1980
- 1980-08-06 GR GR62623A patent/GR69828B/el unknown
- 1980-08-12 BE BE0/201715A patent/BE884729A/fr unknown
- 1980-08-13 NZ NZ194657A patent/NZ194657A/xx unknown
- 1980-08-19 GB GB8026934A patent/GB2056962A/en not_active Withdrawn
- 1980-08-25 AR AR282276A patent/AR222404A1/es active
- 1980-08-26 IT IT24290/80A patent/IT1132477B/it active
- 1980-08-28 JP JP11786680A patent/JPS5637097A/ja active Pending
- 1980-08-29 DK DK369580A patent/DK369580A/da unknown
- 1980-08-29 BR BR8005526A patent/BR8005526A/pt unknown
- 1980-08-29 ES ES494662A patent/ES494662A0/es active Granted
- 1980-08-29 AU AU61877/80A patent/AU6187780A/en not_active Abandoned
- 1980-08-29 LU LU82736A patent/LU82736A1/fr unknown
- 1980-08-29 NL NL8004924A patent/NL8004924A/nl not_active Application Discontinuation
- 1980-08-30 DE DE19803032831 patent/DE3032831A1/de not_active Withdrawn
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4574036A (en) * | 1983-01-17 | 1986-03-04 | Ets. Ch. Scareder & Fils | Method and an installation for purifying industrial waste water, particularly process water from dyeing works |
| US4612124A (en) * | 1983-12-30 | 1986-09-16 | Escrig Ignacio L | Method of sewage treatment |
| US4724084A (en) * | 1986-03-28 | 1988-02-09 | The Boeing Company | System for removing toxic organics and metals from manufacturing wastewater |
| WO1987007252A1 (en) * | 1986-05-27 | 1987-12-03 | Marcello Grimani Giustinian, Benedetto | Process for treating pollutant effluent, particularly in the tanning industry, and plant for implementing the process |
| AU604715B2 (en) * | 1986-05-27 | 1991-01-03 | Giustinian, Benedetto Marcello Grimani | Process for treating tanning industry effluent |
| EP0261019A1 (fr) * | 1986-09-19 | 1988-03-23 | Rhone-Poulenc Chimie | Procédé de traitement des eaux |
| FR2604167A1 (fr) * | 1986-09-19 | 1988-03-25 | Rhone Poulenc Chimie | Procede de traitement des eaux |
| US5171453A (en) * | 1986-09-19 | 1992-12-15 | Rhone-Poulenc Chimie | Water clarification/purification |
| US4804480A (en) * | 1986-12-29 | 1989-02-14 | E. I. Du Pont De Nemours And Company | Destruction of nitrophenols |
| EP0398234A1 (en) * | 1989-05-19 | 1990-11-22 | Degussa Aktiengesellschaft | Improved process for the removal of cyanide from wastewaters |
| DE3932174A1 (de) * | 1989-09-27 | 1991-04-11 | Degussa | Verfahren zur absenkung des aox-gehaltes in wasser |
| FR2689492A1 (fr) * | 1992-04-03 | 1993-10-08 | Omnium Traitement Valorisa | Procédé de traitement des eaux brutes par peroxydo-coagulation et installation pour la mise en Óoeuvre d'un tel procédé. |
| FR2715590A1 (fr) * | 1994-02-01 | 1995-08-04 | Rhone Poulenc Chimie | Procédé d'épuration d'un milieu contenant des déchets organiques. |
| WO1995021136A1 (fr) * | 1994-02-01 | 1995-08-10 | Rhone-Poulenc Chimie | Procede d'epuration d'un milieu contenant des dechets organiques |
| US5914040A (en) * | 1994-02-01 | 1999-06-22 | Rhone-Poulenc Chimie | Process for the purification of a medium containing organic waste |
| WO1999021801A1 (en) * | 1997-10-29 | 1999-05-06 | Prox T.E.C. Poprad, S.R.O. | Method for water purification based on the fenton reaction |
| US6596176B1 (en) * | 2001-06-26 | 2003-07-22 | Delozier Ii Gerald Edward | Potable water treatable process using hydrogen peroxide and metallic coagulant |
| EP1591422A1 (en) * | 2003-01-31 | 2005-11-02 | Idemitsu Kosan Co., Ltd. | Method of treating wastewater containing hardly decomposable harmful substances |
| EP1591422A4 (en) * | 2003-01-31 | 2007-10-03 | Idemitsu Kosan Co | METHOD FOR THE TREATMENT OF WASTEWATER WITH HEAVILY CRACKABLE HARMFUL SUBSTANCES |
| US7335310B2 (en) | 2003-01-31 | 2008-02-26 | Idemitsu Kosan Co., Ltd. | Method of treating wastewater containing hardly decomposable harmful substances |
| AU2003252376B2 (en) * | 2003-01-31 | 2008-12-18 | Idemitsu Kosan Co., Ltd. | Method of treating wastewater containing hardly decomposable harmful substances |
| AU2003252376C1 (en) * | 2003-01-31 | 2009-07-02 | Idemitsu Kosan Co., Ltd. | Method of treating wastewater containing hardly decomposable harmful substances |
| CN101700941B (zh) * | 2009-11-20 | 2011-11-09 | 上海应用技术学院 | 一种高端织带染色的废乳化液的破乳净化方法 |
| PT106979A (pt) * | 2013-05-31 | 2014-12-02 | Adventech Advanced Environmental Technologies Lda | Sistema e método para tratamento de efluentes |
| CN109467224A (zh) * | 2018-12-29 | 2019-03-15 | 广东溢达纺织有限公司 | 一种染色残液的回收装置和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| NZ194657A (en) | 1982-12-21 |
| FR2464230A1 (fr) | 1981-03-06 |
| DK369580A (da) | 1981-03-01 |
| NL8004924A (nl) | 1981-03-03 |
| AR222404A1 (es) | 1981-05-15 |
| IT8024290A0 (it) | 1980-08-26 |
| ES8107130A1 (es) | 1981-10-01 |
| JPS5637097A (en) | 1981-04-10 |
| GR69828B (pt) | 1982-07-13 |
| AU6187780A (en) | 1981-03-05 |
| BE884729A (fr) | 1981-02-12 |
| IT1132477B (it) | 1986-07-02 |
| BR8005526A (pt) | 1981-03-17 |
| DE3032831A1 (de) | 1981-03-26 |
| ES494662A0 (es) | 1981-10-01 |
| LU82736A1 (fr) | 1982-05-10 |
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