KR940005916A - 질소 산화물 및 폐수 방출이 감소된 보일러 운전 방법 - Google Patents
질소 산화물 및 폐수 방출이 감소된 보일러 운전 방법 Download PDFInfo
- Publication number
- KR940005916A KR940005916A KR1019930014001A KR930014001A KR940005916A KR 940005916 A KR940005916 A KR 940005916A KR 1019930014001 A KR1019930014001 A KR 1019930014001A KR 930014001 A KR930014001 A KR 930014001A KR 940005916 A KR940005916 A KR 940005916A
- Authority
- KR
- South Korea
- Prior art keywords
- reducing agent
- nox
- hardness
- composition
- aqueous solution
- 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.)
- Ceased
Links
- 239000002351 wastewater Substances 0.000 title claims abstract 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title 3
- 238000000034 method Methods 0.000 claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 29
- 239000007864 aqueous solution Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract 46
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052791 calcium Inorganic materials 0.000 claims abstract 4
- 239000011575 calcium Substances 0.000 claims abstract 4
- 239000000243 solution Substances 0.000 claims abstract 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052749 magnesium Inorganic materials 0.000 claims abstract 2
- 239000011777 magnesium Substances 0.000 claims abstract 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000000567 combustion gas Substances 0.000 claims 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 14
- 239000004202 carbamide Substances 0.000 claims 14
- 239000000498 cooling water Substances 0.000 claims 14
- 230000002401 inhibitory effect Effects 0.000 claims 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 8
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims 8
- 239000001099 ammonium carbonate Substances 0.000 claims 8
- 150000003863 ammonium salts Chemical class 0.000 claims 8
- 230000007062 hydrolysis Effects 0.000 claims 6
- 238000006460 hydrolysis reaction Methods 0.000 claims 6
- 238000002156 mixing Methods 0.000 claims 6
- 229920000642 polymer Polymers 0.000 claims 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 4
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims 4
- 229910019142 PO4 Inorganic materials 0.000 claims 4
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims 4
- 229910021529 ammonia Inorganic materials 0.000 claims 4
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims 4
- 235000012501 ammonium carbonate Nutrition 0.000 claims 4
- 239000002738 chelating agent Substances 0.000 claims 4
- 239000012141 concentrate Substances 0.000 claims 4
- 238000007865 diluting Methods 0.000 claims 4
- 239000000446 fuel Substances 0.000 claims 4
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims 4
- 150000007524 organic acids Chemical class 0.000 claims 4
- 235000005985 organic acids Nutrition 0.000 claims 4
- 235000021317 phosphate Nutrition 0.000 claims 4
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 claims 4
- 239000002243 precursor Substances 0.000 claims 4
- 150000003839 salts Chemical class 0.000 claims 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 3
- 229920002125 Sokalan® Polymers 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 238000005755 formation reaction Methods 0.000 claims 3
- 239000004584 polyacrylic acid Substances 0.000 claims 3
- 229920001897 terpolymer Polymers 0.000 claims 3
- KKSNTCYLMGYFFB-UHFFFAOYSA-N (prop-2-enoylamino)methanesulfonic acid Chemical compound OS(=O)(=O)CNC(=O)C=C KKSNTCYLMGYFFB-UHFFFAOYSA-N 0.000 claims 2
- 229920000536 2-Acrylamido-2-methylpropane sulfonic acid Polymers 0.000 claims 2
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 claims 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims 2
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 239000000654 additive Substances 0.000 claims 2
- 230000000996 additive effect Effects 0.000 claims 2
- 150000004657 carbamic acid derivatives Chemical class 0.000 claims 2
- 239000002826 coolant Substances 0.000 claims 2
- 239000010452 phosphate Substances 0.000 claims 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 2
- 238000001556 precipitation Methods 0.000 claims 2
- 238000001223 reverse osmosis Methods 0.000 claims 2
- 229920003169 water-soluble polymer Polymers 0.000 claims 2
- VJJPTMQTVLXCSS-UHFFFAOYSA-N 2-phosphonobutane-1,2,3-tricarboxylic acid Chemical compound OC(=O)C(C)C(P(O)(O)=O)(C(O)=O)CC(O)=O VJJPTMQTVLXCSS-UHFFFAOYSA-N 0.000 claims 1
- SZHQPBJEOCHCKM-UHFFFAOYSA-N 2-phosphonobutane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(P(O)(O)=O)(C(O)=O)CC(O)=O SZHQPBJEOCHCKM-UHFFFAOYSA-N 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 238000000909 electrodialysis Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000003112 inhibitor Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 230000000153 supplemental effect Effects 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract 1
- 231100000719 pollutant Toxicity 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes or flue ways
- F22D1/12—Control devices, e.g. for regulating steam temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
-
- 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91928192A | 1992-07-24 | 1992-07-24 | |
| US7/919,281 | 1992-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR940005916A true KR940005916A (ko) | 1994-03-22 |
Family
ID=25441821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019930014001A Ceased KR940005916A (ko) | 1992-07-24 | 1993-07-23 | 질소 산화물 및 폐수 방출이 감소된 보일러 운전 방법 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0651726A4 (enrdf_load_stackoverflow) |
| KR (1) | KR940005916A (enrdf_load_stackoverflow) |
| CA (1) | CA2140885A1 (enrdf_load_stackoverflow) |
| TW (1) | TW238257B (enrdf_load_stackoverflow) |
| WO (1) | WO1994002410A1 (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5077870A (en) | 1990-09-21 | 1992-01-07 | Minnesota Mining And Manufacturing Company | Mushroom-type hook strip for a mechanical fastener |
| JP6128171B2 (ja) * | 2015-07-09 | 2017-05-17 | 栗田工業株式会社 | 冷却排出水の回収方法及び回収装置 |
| CN110482853B (zh) * | 2019-09-17 | 2021-10-26 | 济南大学 | 一种将电镀废水中有毒金属离子固化于钠钙铝硅酸盐玻璃中的方法及所得玻璃 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE579012A (enrdf_load_stackoverflow) * | 1958-09-06 | 1900-01-01 | ||
| US3303139A (en) * | 1962-01-27 | 1967-02-07 | Henkel & Cie Gmbh | Aminophosphonic acids and their derivatives as complex formers for metal ions |
| US3297578A (en) * | 1963-07-26 | 1967-01-10 | Monsanto Co | Bleaching, sterilizing, disinfecting, and deterging compositions |
| US3663448A (en) * | 1970-09-25 | 1972-05-16 | Calgon Corp | Inhibiting scale deposition |
| US3890228A (en) * | 1973-04-13 | 1975-06-17 | Chemed Corp | Polyacrylate-polyphosphonic acid treatment in aqueous systems |
| US4208386A (en) * | 1976-03-03 | 1980-06-17 | Electric Power Research Institute, Inc. | Urea reduction of NOx in combustion effluents |
| CA1117395A (en) * | 1977-09-09 | 1982-02-02 | Leonard Dubin | Scale prevention in industrial cooling waters using phosphonocarboxylic acids and certain acrylic acid polymers |
| US4303568A (en) * | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
| US4919821A (en) * | 1986-03-21 | 1990-04-24 | Nalco Chemical Company | Modified maleic anhydride polymers and the like for use as scale inhibitors |
| US4801388A (en) * | 1986-03-21 | 1989-01-31 | Nalco Chemical Company | Modified acrylamide polymers used as scale inhibitors |
| US4904413A (en) * | 1986-03-26 | 1990-02-27 | Nalco Chemical Company | Cooling water corrosion control method and composition |
| US4744949A (en) * | 1986-03-26 | 1988-05-17 | Nalco Chemical Company | Method for preventing corrosion in aqueous systems |
| US4752443A (en) * | 1986-05-09 | 1988-06-21 | Nalco Chemical Company | Cooling water corrosion inhibition method |
| US4923634A (en) * | 1986-05-09 | 1990-05-08 | Nalco Chemical Company | Cooling water corrosion inhibition method |
| US4756881A (en) * | 1986-05-09 | 1988-07-12 | Nalco Chemical Company | Composition of corrosion inhibitors for cooling water systems using chemically modified acrylamide or methacrylamide polymers |
| US4680124A (en) * | 1987-01-08 | 1987-07-14 | Nalco Chemical Company | Polyacrylate scale inhibition |
| US4842834A (en) * | 1987-02-02 | 1989-06-27 | Fuel Tech, Inc. | Process for reducing the concentration of pollutants in an effluent |
| US4777024A (en) * | 1987-03-06 | 1988-10-11 | Fuel Tech, Inc. | Multi-stage process for reducing the concentration of pollutants in an effluent |
| US4959156A (en) * | 1987-07-30 | 1990-09-25 | Olin Corporation | Block co-polymers useful as aqueous dispersants |
| US4818506A (en) * | 1988-01-15 | 1989-04-04 | Nalco Chemical Company | Gypsum scale inhibitors for flue gas desulfurization systems |
| US4834955A (en) * | 1988-04-26 | 1989-05-30 | Nalco Chemical Company | Chemical formulation and combined process for inhibiting deposition and corrosion in cooling water and gypsum scaling in flue gas desulfurization scrubber systems |
| YU89189A (en) * | 1988-04-29 | 1991-02-28 | Fuel Tech Inc | Composition for puting in high temperature environment |
| US5441713A (en) * | 1988-04-29 | 1995-08-15 | Nalco Fuel Tech | Hardness suppression in urea solutions |
| US4985218A (en) * | 1989-03-03 | 1991-01-15 | Fuel Tech, Inc. | Process and injector for reducing the concentration of pollutants in an effluent |
-
1993
- 1993-07-13 TW TW082105592A patent/TW238257B/zh active
- 1993-07-22 WO PCT/US1993/006959 patent/WO1994002410A1/en not_active Application Discontinuation
- 1993-07-22 EP EP93918356A patent/EP0651726A4/en not_active Ceased
- 1993-07-22 CA CA002140885A patent/CA2140885A1/en not_active Abandoned
- 1993-07-23 KR KR1019930014001A patent/KR940005916A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| TW238257B (enrdf_load_stackoverflow) | 1995-01-11 |
| WO1994002410A1 (en) | 1994-02-03 |
| CA2140885A1 (en) | 1994-02-03 |
| EP0651726A1 (en) | 1995-05-10 |
| EP0651726A4 (en) | 1995-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19930723 |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19980721 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19930723 Comment text: Patent Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20000629 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20010524 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20000629 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |