NZ198901A - Process for removing anthraquinone-type scale - Google Patents
Process for removing anthraquinone-type scaleInfo
- Publication number
- NZ198901A NZ198901A NZ198901A NZ19890181A NZ198901A NZ 198901 A NZ198901 A NZ 198901A NZ 198901 A NZ198901 A NZ 198901A NZ 19890181 A NZ19890181 A NZ 19890181A NZ 198901 A NZ198901 A NZ 198901A
- Authority
- NZ
- New Zealand
- Prior art keywords
- scale
- aqueous solution
- process according
- reducing agent
- steam
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/10—Concentrating spent liquor by evaporation
- D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Fertilizers (AREA)
- External Artificial Organs (AREA)
- Processing Of Solid Wastes (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16929780A JPS5791797A (en) | 1980-12-01 | 1980-12-01 | Method for washing scale |
| JP55175745A JPS57100199A (en) | 1980-12-15 | 1980-12-15 | Scale detergent method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ198901A true NZ198901A (en) | 1984-03-30 |
Family
ID=26492679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ198901A NZ198901A (en) | 1980-12-01 | 1981-11-09 | Process for removing anthraquinone-type scale |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US4481073A (OSRAM) |
| AU (1) | AU551081B2 (OSRAM) |
| BR (1) | BR8107787A (OSRAM) |
| CA (1) | CA1182723A (OSRAM) |
| FI (1) | FI813798A7 (OSRAM) |
| FR (1) | FR2495193A1 (OSRAM) |
| NO (1) | NO161450C (OSRAM) |
| NZ (1) | NZ198901A (OSRAM) |
| SE (1) | SE454362B (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ198901A (en) * | 1980-12-01 | 1984-03-30 | Kawasaki Kasei Chemicals | Process for removing anthraquinone-type scale |
| NO980659L (no) * | 1997-03-11 | 1998-09-14 | Westvaco Corp | Belte av tekstil |
| US6059927A (en) * | 1997-09-23 | 2000-05-09 | Queen's University At Kingston | Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps |
| WO2023014663A1 (en) | 2021-08-02 | 2023-02-09 | Ecolab Usa Inc. | Booster composition for cleaning fermentation equipment and methods of use |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE137893C (OSRAM) * | ||||
| US1049054A (en) * | 1911-07-08 | 1912-12-31 | Frank E Coombs | Process of removing scale. |
| DE368537C (de) * | 1921-07-26 | 1923-02-06 | Hans Wagner Dr | Verfahren zur Entfernung der Oxydschichten von Metallflaechen |
| FR780292A (fr) * | 1934-01-13 | 1935-04-23 | Produit pour le désémaillage de surfaces métalliques | |
| US2490750A (en) * | 1941-10-09 | 1949-12-06 | Rosenblad Corp | Method of removing scale |
| US2490759A (en) * | 1942-06-13 | 1949-12-06 | Rosenblad Corp | Method of cleaning scale |
| ZA773044B (en) * | 1976-06-02 | 1978-04-26 | Australian Paper Manufacturers | Improvements in pulping processes |
| NZ185937A (en) * | 1976-12-13 | 1979-10-25 | Australian Paper Manufacturers | Delignification of lignocellulosic material with amine based liquor containing quinones or hydroqinones |
| US4263092A (en) * | 1979-08-16 | 1981-04-21 | Betz Laboratories, Inc. | Method for treating black liquor using acrylic acid polymer |
| NZ198901A (en) * | 1980-12-01 | 1984-03-30 | Kawasaki Kasei Chemicals | Process for removing anthraquinone-type scale |
-
1981
- 1981-11-09 NZ NZ198901A patent/NZ198901A/en unknown
- 1981-11-19 AU AU77628/81A patent/AU551081B2/en not_active Expired
- 1981-11-19 US US06/323,131 patent/US4481073A/en not_active Expired - Lifetime
- 1981-11-26 FI FI813798A patent/FI813798A7/fi not_active Application Discontinuation
- 1981-11-27 CA CA000391099A patent/CA1182723A/en not_active Expired
- 1981-11-30 BR BR8107787A patent/BR8107787A/pt not_active IP Right Cessation
- 1981-11-30 NO NO814085A patent/NO161450C/no not_active IP Right Cessation
- 1981-11-30 SE SE8107137A patent/SE454362B/sv not_active IP Right Cessation
- 1981-11-30 FR FR8122408A patent/FR2495193A1/fr active Granted
-
1984
- 1984-07-18 US US06/631,985 patent/US4561935A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE454362B (sv) | 1988-04-25 |
| US4481073A (en) | 1984-11-06 |
| NO814085L (no) | 1982-06-02 |
| AU7762881A (en) | 1982-06-10 |
| FR2495193A1 (fr) | 1982-06-04 |
| NO161450C (no) | 1989-08-16 |
| CA1182723A (en) | 1985-02-19 |
| BR8107787A (pt) | 1982-08-31 |
| NO161450B (no) | 1989-05-08 |
| US4561935A (en) | 1985-12-31 |
| FI813798L (fi) | 1982-06-02 |
| FI813798A7 (fi) | 1982-06-02 |
| AU551081B2 (en) | 1986-04-17 |
| SE8107137L (sv) | 1982-06-02 |
| FR2495193B1 (OSRAM) | 1985-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4673522A (en) | Methods for removing obstructions from conduits with urea-sulfuric acid compositions | |
| US3516910A (en) | Removing and inhibiting scale in black liquor evaporators | |
| US4514256A (en) | Method of minimizing slagging in the burning of black liquid | |
| JPS638238B2 (OSRAM) | ||
| EP0908554B1 (en) | Process for recovering alkali and energy from black liquor containing silicate | |
| JP6556264B2 (ja) | 高い炭酸塩含有量を有する溶解した灰からパルプ化化学品を回収する方法 | |
| NZ198901A (en) | Process for removing anthraquinone-type scale | |
| DE2915907A1 (de) | Verfahren zur rueckgewinnung von alkalimetall- oder erdalkalimetalloxyden oder -hydroxyden | |
| US4810328A (en) | Method of brown stock washing | |
| JPS6241390A (ja) | 黒液濃縮方法および装置 | |
| US20190127275A1 (en) | Process for preparing low air entraining, low viscosity lignosulfonates | |
| CN1350065A (zh) | 铝厂废弃物的综合利用方法 | |
| US4263092A (en) | Method for treating black liquor using acrylic acid polymer | |
| US2392435A (en) | Process of disposal of sulphite waste liquor | |
| US2741051A (en) | Process for controlling scale formation in aluminum etching | |
| CN115608294A (zh) | 一种二次铝灰水洗去除氮化铝系统与使用方法 | |
| US4196094A (en) | Removing deposits from surfaces in wood pulp processing apparatus | |
| US3216788A (en) | Flash evaporation of pulp liquor to eliminate calcium salts | |
| US1303176A (en) | Ligno tanning material and process of producing the same from | |
| US2750414A (en) | Production of organic acids and salts thereof from cellulosic materials | |
| DE2445221C3 (de) | Verfahren zur Herstellung von Dihydroxyanthrachinonen | |
| DE736502C (de) | Verfahren zur Herstellung von Basenaustauschern | |
| EP0194845B1 (en) | A process for concentrating a black liquor | |
| JPS6175892A (ja) | パルプ蒸解釜のスケ−ル付着防止方法 | |
| NO117606B (OSRAM) |