IT1113379B - Procedimento di rigenerazione di alcali - Google Patents
Procedimento di rigenerazione di alcaliInfo
- Publication number
- IT1113379B IT1113379B IT7922009A IT2200979A IT1113379B IT 1113379 B IT1113379 B IT 1113379B IT 7922009 A IT7922009 A IT 7922009A IT 2200979 A IT2200979 A IT 2200979A IT 1113379 B IT1113379 B IT 1113379B
- Authority
- IT
- Italy
- Prior art keywords
- alcal
- regeneration procedure
- regeneration
- procedure
- alcal regeneration
- Prior art date
Links
- 238000011069 regeneration method Methods 0.000 title 1
Classifications
-
- 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
- D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
- D21C11/0092—Substances modifying the evaporation, combustion, or thermal decomposition processes of black liquor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/18—Methods for preparing oxides or hydroxides in general by thermal decomposition of compounds, e.g. of salts or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/04—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
- Compounds Of Iron (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPD412978 | 1978-04-20 | ||
AUPD679878 | 1978-11-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7922009A0 IT7922009A0 (it) | 1979-04-19 |
IT1113379B true IT1113379B (it) | 1986-01-20 |
Family
ID=25642216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7922009A IT1113379B (it) | 1978-04-20 | 1979-04-19 | Procedimento di rigenerazione di alcali |
Country Status (11)
Country | Link |
---|---|
US (1) | US4224289A (it) |
JP (1) | JPS54145396A (it) |
BR (1) | BR7902466A (it) |
CA (1) | CA1115490A (it) |
DE (1) | DE2915907C2 (it) |
FI (1) | FI75616C (it) |
FR (1) | FR2423444A1 (it) |
GB (1) | GB2019370B (it) |
IT (1) | IT1113379B (it) |
NZ (1) | NZ190223A (it) |
SE (1) | SE439027B (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58126389A (ja) * | 1982-01-16 | 1983-07-27 | バブコツク日立株式会社 | 黒液中の薬品を回収する方法 |
JPS58126391A (ja) * | 1982-01-16 | 1983-07-27 | バブコツク日立株式会社 | Fe↓2O↓3の分離効率を高めた直接苛性化方法 |
JPS58132191A (ja) * | 1982-01-27 | 1983-08-06 | バブコツク日立株式会社 | パルプ製造工程における直接苛性化方法及びその装置 |
JPS58132192A (ja) * | 1982-01-27 | 1983-08-06 | バブコツク日立株式会社 | 流動層炉を用いた直接苛性化方法 |
JPS58132193A (ja) * | 1982-02-02 | 1983-08-06 | バブコツク日立株式会社 | 流動層を用いた苛性ソ−ダ回収方法 |
CA1188485A (en) * | 1982-03-25 | 1985-06-11 | Kien L. Nguyen | Alkali regeneration process |
ZA849901B (en) * | 1983-12-23 | 1985-08-28 | North Broken Hill Ltd | Method of improving the purity of alkali-metal hydroxides |
JP3102879B2 (ja) * | 1989-10-17 | 2000-10-23 | エー.テー.エル.エレクトローニク テヒノロギー ルンプ ゲゼルシャフト ミット ベシュレンクテル ハフツング | ガスセンサー装置 |
CN1101089A (zh) * | 1992-09-30 | 1995-04-05 | 北布罗肯希尔公司 | 一种碱金属铁酸盐的制粒方法 |
ZA937253B (en) * | 1992-09-30 | 1994-04-19 | North Broken Hill Ltd | A process for recovering alkali metal hydroxide from organic liquors |
ATE312799T1 (de) * | 1992-12-23 | 2005-12-15 | Imerys Minerals Ltd | Verfahren zur behandlung von abfallsuspensionen |
US20060167331A1 (en) * | 1999-10-20 | 2006-07-27 | Mason J B | Single stage denitration |
US7125531B1 (en) | 1999-10-20 | 2006-10-24 | Studsvik, Inc. | Single stage denitration |
US20030198584A1 (en) * | 2002-04-19 | 2003-10-23 | Mason Bradley J. | Single stage denitration |
US7011800B1 (en) | 2000-10-19 | 2006-03-14 | Studsvik, Inc. | Single stage denitration |
US7531152B2 (en) * | 2000-10-19 | 2009-05-12 | Studsvik, Inc. | Mineralization of alkali metals, sulfur, and halogens |
US7476194B2 (en) * | 1999-10-20 | 2009-01-13 | Studsvik, Inc. | In-container mineralization |
US20160379727A1 (en) | 2015-01-30 | 2016-12-29 | Studsvik, Inc. | Apparatus and methods for treatment of radioactive organic waste |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3304249A (en) * | 1964-02-28 | 1967-02-14 | Katz Herbert | Method of stabilizing a fluidized bed using a glow discharge |
GB1407276A (en) * | 1972-11-10 | 1975-09-24 | Oji Paper Co | Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry |
JPS5112724B2 (it) * | 1974-02-23 | 1976-04-22 | ||
JPS5238123A (en) * | 1975-09-20 | 1977-03-24 | Meidensha Electric Mfg Co Ltd | Alternating current power generator |
JPS5380759A (en) * | 1976-12-24 | 1978-07-17 | Nittetsu Kakoki Kk | Method of treating organic acidic excrements |
-
1979
- 1979-04-18 CA CA325,686A patent/CA1115490A/en not_active Expired
- 1979-04-18 US US06/031,215 patent/US4224289A/en not_active Expired - Lifetime
- 1979-04-19 GB GB7913679A patent/GB2019370B/en not_active Expired
- 1979-04-19 DE DE2915907A patent/DE2915907C2/de not_active Expired
- 1979-04-19 FR FR7909912A patent/FR2423444A1/fr active Granted
- 1979-04-19 NZ NZ190223A patent/NZ190223A/xx unknown
- 1979-04-19 IT IT7922009A patent/IT1113379B/it active
- 1979-04-19 SE SE7903444A patent/SE439027B/sv not_active IP Right Cessation
- 1979-04-19 FI FI791287A patent/FI75616C/fi not_active IP Right Cessation
- 1979-04-20 BR BR7902466A patent/BR7902466A/pt unknown
- 1979-04-20 JP JP4807879A patent/JPS54145396A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
BR7902466A (pt) | 1979-10-30 |
GB2019370A (en) | 1979-10-31 |
FI75616C (fi) | 1988-07-11 |
FI791287A (fi) | 1979-10-21 |
CA1115490A (en) | 1982-01-05 |
DE2915907A1 (de) | 1979-10-25 |
NZ190223A (en) | 1981-04-24 |
JPS54145396A (en) | 1979-11-13 |
DE2915907C2 (de) | 1983-05-11 |
SE439027B (sv) | 1985-05-28 |
SE7903444L (sv) | 1979-10-21 |
FR2423444A1 (fr) | 1979-11-16 |
FI75616B (fi) | 1988-03-31 |
JPS6143284B2 (it) | 1986-09-26 |
IT7922009A0 (it) | 1979-04-19 |
GB2019370B (en) | 1982-06-30 |
US4224289A (en) | 1980-09-23 |
FR2423444B1 (it) | 1984-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950228 |