BR112021006302A2 - método para controlar corrosão em um sistema de transferência de calor aquoso - Google Patents
método para controlar corrosão em um sistema de transferência de calor aquosoInfo
- Publication number
- BR112021006302A2 BR112021006302A2 BR112021006302A BR112021006302A BR112021006302A2 BR 112021006302 A2 BR112021006302 A2 BR 112021006302A2 BR 112021006302 A BR112021006302 A BR 112021006302A BR 112021006302 A BR112021006302 A BR 112021006302A BR 112021006302 A2 BR112021006302 A2 BR 112021006302A2
- Authority
- BR
- Brazil
- Prior art keywords
- heat transfer
- transfer system
- aqueous heat
- controlling corrosion
- morpholine
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/14—Nitrogen-containing compounds
- C23F11/149—Heterocyclic compounds containing nitrogen as hetero atom
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/048—Boiling liquids as heat transfer materials
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/02—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in air or gases by adding vapour phase inhibitors
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/025—Devices and methods for diminishing corrosion, e.g. by preventing cooling beneath the dew point
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/30—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing heterocyclic ring with at least one nitrogen atom as ring member
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/10—Liquid materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
método para controlar corrosão em um sistema de transferência de calor aquoso. a presente descrição descreve métodos para controlar corrosão em sistemas de transferência de calor aquosos, tal como sistemas de caldeira. os métodos adicionam um agente gerador de morfolina ao sistema de transferência de calor aquoso. os métodos formam morfolina in situ por uma decomposição parcial do agente gerador de morfolina no sistema de transferência de calor aquoso.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862741113P | 2018-10-04 | 2018-10-04 | |
PCT/US2019/049837 WO2020072172A1 (en) | 2018-10-04 | 2019-09-06 | Compounds releasing heterocyclic aliphatic amines in aqueous heat transfer systems by partial decomposition |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021006302A2 true BR112021006302A2 (pt) | 2021-07-06 |
Family
ID=70054740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021006302A BR112021006302A2 (pt) | 2018-10-04 | 2019-09-06 | método para controlar corrosão em um sistema de transferência de calor aquoso |
Country Status (8)
Country | Link |
---|---|
US (1) | US20210340678A1 (pt) |
EP (1) | EP3861150A4 (pt) |
CN (1) | CN112805408A (pt) |
AU (1) | AU2019354582A1 (pt) |
BR (1) | BR112021006302A2 (pt) |
CA (1) | CA3114716A1 (pt) |
MX (1) | MX2021003801A (pt) |
WO (1) | WO2020072172A1 (pt) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2580923A (en) * | 1947-06-19 | 1952-01-01 | Nat Aluminate Corp | Prevention of corrosion in steam generation |
US4681737A (en) * | 1985-09-17 | 1987-07-21 | Calgon Corporation | Stabilized sodium erythorbate boiler corrosion inhibitor compositions and methods |
US4905721A (en) * | 1989-05-11 | 1990-03-06 | Betz Laboratories, Inc. | Monitoring and controlling AVT (all volatile treatment) and other treatment programs for high pressure boilers via the conductivity control method |
US5167835A (en) * | 1991-11-06 | 1992-12-01 | Nalco Chemical Company | Method of scavenging oxygen from boiler waters with substituted quinolines |
US5176849A (en) * | 1992-04-15 | 1993-01-05 | W. R. Grace & Co.-Conn. | Composition and method for scavenging oxygen |
US5904857A (en) * | 1997-04-17 | 1999-05-18 | Nalco Chemical Company | 4-alkyl and aryl semicarbazides as oxygen scavengers |
US6585933B1 (en) * | 1999-05-03 | 2003-07-01 | Betzdearborn, Inc. | Method and composition for inhibiting corrosion in aqueous systems |
US6540923B2 (en) * | 2000-12-05 | 2003-04-01 | Kurita Water Industries Ltd. | Oxygen scavenger |
JP6215511B2 (ja) * | 2010-07-16 | 2017-10-18 | 栗田工業株式会社 | ボイラ用防食剤 |
CA2963521C (en) * | 2014-10-06 | 2020-12-22 | Hercules Llc | A graft terpolymer used as a scale inhibitor |
CN107352610A (zh) * | 2017-07-11 | 2017-11-17 | 沈阳追梦蓝环保科技有限公司 | 一种复合型锅炉给水用除氧缓蚀剂及其制备方法 |
-
2019
- 2019-09-06 MX MX2021003801A patent/MX2021003801A/es unknown
- 2019-09-06 BR BR112021006302A patent/BR112021006302A2/pt unknown
- 2019-09-06 CN CN201980065810.6A patent/CN112805408A/zh active Pending
- 2019-09-06 US US17/282,020 patent/US20210340678A1/en active Pending
- 2019-09-06 CA CA3114716A patent/CA3114716A1/en active Pending
- 2019-09-06 EP EP19868848.3A patent/EP3861150A4/en active Pending
- 2019-09-06 AU AU2019354582A patent/AU2019354582A1/en not_active Abandoned
- 2019-09-06 WO PCT/US2019/049837 patent/WO2020072172A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN112805408A (zh) | 2021-05-14 |
AU2019354582A1 (en) | 2021-05-06 |
US20210340678A1 (en) | 2021-11-04 |
CA3114716A1 (en) | 2020-04-09 |
MX2021003801A (es) | 2021-08-11 |
EP3861150A1 (en) | 2021-08-11 |
EP3861150A4 (en) | 2022-05-11 |
WO2020072172A1 (en) | 2020-04-09 |
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Legal Events
Date | Code | Title | Description |
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B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] |