CA1054267A - Biological treatment of plant waste streams to remove cyanuric acid - Google Patents
Biological treatment of plant waste streams to remove cyanuric acidInfo
- Publication number
- CA1054267A CA1054267A CA224,756A CA224756A CA1054267A CA 1054267 A CA1054267 A CA 1054267A CA 224756 A CA224756 A CA 224756A CA 1054267 A CA1054267 A CA 1054267A
- Authority
- CA
- Canada
- Prior art keywords
- cyanuric acid
- sewage
- feed
- biomass
- liter
- 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.)
- Expired
Links
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000011282 treatment Methods 0.000 title abstract description 8
- 239000010908 plant waste Substances 0.000 title abstract description 4
- 239000010865 sewage Substances 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 16
- 241000894006 Bacteria Species 0.000 claims abstract description 13
- 235000015097 nutrients Nutrition 0.000 claims abstract description 13
- 239000002028 Biomass Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 239000003643 water by type Substances 0.000 claims description 5
- 229910001504 inorganic chloride Inorganic materials 0.000 claims description 3
- 229910052920 inorganic sulfate Inorganic materials 0.000 claims description 3
- 150000001805 chlorine compounds Chemical class 0.000 claims description 2
- 230000008014 freezing Effects 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 11
- 230000007935 neutral effect Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 235000002639 sodium chloride Nutrition 0.000 description 17
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 15
- 239000000243 solution Substances 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 239000010802 sludge Substances 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 230000007062 hydrolysis Effects 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 238000006065 biodegradation reaction Methods 0.000 description 6
- 238000005273 aeration Methods 0.000 description 5
- 150000003839 salts Chemical group 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000700 radioactive tracer Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000012527 feed solution Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 235000013379 molasses Nutrition 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 238000003911 water pollution Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 108091006629 SLC13A2 Proteins 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- -1 alkali metal salts Chemical class 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 150000007973 cyanuric acids Chemical class 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical compound ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 239000002054 inoculum Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 description 1
- IHCCLXNEEPMSIO-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperidin-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1CCN(CC1)CC(=O)N1CC2=C(CC1)NN=N2 IHCCLXNEEPMSIO-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical class [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- MXWJVTOOROXGIU-UHFFFAOYSA-N atrazine Chemical compound CCNC1=NC(Cl)=NC(NC(C)C)=N1 MXWJVTOOROXGIU-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004442 gravimetric analysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229950009390 symclosene Drugs 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 239000002351 wastewater 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
- 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
- C02F3/28—Anaerobic digestion processes
-
- 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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US47283674 US3926795A (en) | 1974-05-23 | 1974-05-23 | Biological treatment of plant waste streams to remove cyanuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1054267A true CA1054267A (en) | 1979-05-08 |
Family
ID=23877127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA224,756A Expired CA1054267A (en) | 1974-05-23 | 1975-04-16 | Biological treatment of plant waste streams to remove cyanuric acid |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3926795A (enExample) |
| JP (1) | JPS50161462A (enExample) |
| CA (1) | CA1054267A (enExample) |
| DE (1) | DE2521842A1 (enExample) |
| FR (1) | FR2272045B1 (enExample) |
| GB (1) | GB1503353A (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075094A (en) * | 1976-07-09 | 1978-02-21 | Fmc Corporation | Sodium hypochlorite treatment for removal of cyanurate compounds from aqueous waste streams |
| CH638470A5 (de) * | 1978-06-15 | 1983-09-30 | Ciba Geigy Ag | Verfahren zum abbau von cyanursaeure. |
| NL7803073A (nl) * | 1978-03-22 | 1979-09-25 | Stamicarbon | Werkwijze voor het verwijderen van melamine uit melamine-bevattende vloeistoffen. |
| US4599167A (en) * | 1980-09-15 | 1986-07-08 | Bacardi Corporation | Apparatus for treatment of waste water |
| US4599168A (en) * | 1980-09-15 | 1986-07-08 | Bacardi Corporation | Apparatus for treatment of waste water having selective recycle control |
| NL8006884A (nl) * | 1980-12-18 | 1982-07-16 | Pelt & Hooykaas | Samenstelling bestaande uit tenminste een, uit bij de bereiding van staal ontwijkende gassen afgevangen, vast produkt. |
| EP0061249B1 (en) * | 1981-03-20 | 1985-05-08 | Imperial Chemical Industries Plc | Effluent treatment |
| GB2127006B (en) * | 1982-09-17 | 1985-10-16 | Fmc Corp | Biological decompostion of cyanuric acid |
| US4745064A (en) * | 1983-11-04 | 1988-05-17 | Ciba-Geigy Corporation | Process for the degradation of s-triazine derivatives in aqueous solutions |
| US4885094A (en) * | 1988-03-09 | 1989-12-05 | Micro Pure Systems, Inc. | Anaerobic digestion process, and forced fed fast rate digester |
| US5223140A (en) * | 1992-04-15 | 1993-06-29 | Inland Container Corporation | Biological treatment of combined ink and starch wastewater for use in corrugator adhesive preparation |
| US5885460A (en) * | 1996-05-03 | 1999-03-23 | Iowa State University Research Foundation, Inc. | Anaerobic migrating blanket reactor |
| CN113501613B (zh) * | 2021-08-14 | 2022-12-20 | 河南大化环保材料有限公司 | 一种氰尿酸生产污水处理装置及处理方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3654147A (en) * | 1971-03-16 | 1972-04-04 | Biospherics Inc | Nitrate removal from sewage |
-
1974
- 1974-05-23 US US47283674 patent/US3926795A/en not_active Expired - Lifetime
-
1975
- 1975-04-16 CA CA224,756A patent/CA1054267A/en not_active Expired
- 1975-05-16 DE DE19752521842 patent/DE2521842A1/de not_active Withdrawn
- 1975-05-21 FR FR7515880A patent/FR2272045B1/fr not_active Expired
- 1975-05-21 JP JP5981375A patent/JPS50161462A/ja active Pending
- 1975-05-21 GB GB2169675A patent/GB1503353A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2521842A1 (de) | 1975-12-04 |
| FR2272045B1 (enExample) | 1978-10-13 |
| FR2272045A1 (enExample) | 1975-12-19 |
| US3926795A (en) | 1975-12-16 |
| JPS50161462A (enExample) | 1975-12-27 |
| GB1503353A (en) | 1978-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1054267A (en) | Biological treatment of plant waste streams to remove cyanuric acid | |
| JP4602615B2 (ja) | 活性汚泥に含まれる硝化細菌の高濃度培養方法 | |
| AU648765B2 (en) | Process for the aerobic nitrification of effluents | |
| NO20140606A1 (no) | Denitrifikasjon av en hypersalt avfallsvannblanding. | |
| Claus et al. | Denitrification of nitrate and nitric acid with methanol as carbon source | |
| US3943055A (en) | Process for purification of industrial waste waters from perchlorates and chlorates | |
| US6328891B1 (en) | Process for the biological purification of a water containing ammonium perchlorate | |
| CN110526486A (zh) | 一种高盐制药废水处理方法 | |
| US6780319B1 (en) | Method and installation for treating effluents, comprising an additional treatment of the sludge by ozonization | |
| US4237003A (en) | Process for biological purification of liquid wastes | |
| Azov et al. | The effect of pH on the performance of high-rate oxidation ponds | |
| Saldick | Biodegradation of cyanuric acid | |
| NO167453B (no) | Fremgangsmaate for rensing av vann. | |
| EP0710626A2 (en) | Process for reducing nitrogen content in waste waters | |
| WO1997017301A1 (en) | Process for the degradation of chlorite | |
| EP0836584B1 (en) | Microbiological degradation of alkylene amine acetates | |
| KR100465524B1 (ko) | 분리막과 바실러스균을 이용한 하,폐수 고도처리장치 및방법 | |
| KR100365772B1 (ko) | 미네럴을 이용한 폐수 처리 장치 | |
| JP3931221B2 (ja) | 有害化学物質の処理法 | |
| RU2037472C1 (ru) | Консорциум штаммов бактерий bacillus megaterium bacillus freudeureichii, agrobacterium sp., arthrobacter oxamicetus, используемый для очистки сточных вод от диэтиленгликоля и метанола | |
| SU1336454A1 (ru) | Способ биологической очистки сточных вод от этиленгликол | |
| SU532576A1 (ru) | Способ биохимической очистки сточных вод | |
| SU1527184A1 (ru) | Способ биохимической очистки сточных вод от органических соединений | |
| RU2023685C1 (ru) | Способ биологической очистки сточных вод от органических загрязнений | |
| SU1269439A1 (ru) | Способ биологической очистки сточных вод газоперерабатывающих заводов,содержащих диэтаноламин |