EA202190020A1 - Способ выделения лигнина из щелочного технологического потока - Google Patents
Способ выделения лигнина из щелочного технологического потокаInfo
- Publication number
- EA202190020A1 EA202190020A1 EA202190020A EA202190020A EA202190020A1 EA 202190020 A1 EA202190020 A1 EA 202190020A1 EA 202190020 A EA202190020 A EA 202190020A EA 202190020 A EA202190020 A EA 202190020A EA 202190020 A1 EA202190020 A1 EA 202190020A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- reactor
- lignin
- circulation reactor
- process stream
- alkaline process
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
- C07G1/00—Low-molecular-weight derivatives of lignin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/244—Concentric tubes
-
- 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
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
-
- 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
- D21C7/00—Digesters
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Paper (AREA)
- Compounds Of Unknown Constitution (AREA)
Abstract
В способе выделения лигнина из щелочного технологического потока, в особенности загущенного черного щелока, щелочной технологический поток непрерывно вводят в нижнюю область по меньшей мере одного циркуляционного реактора (1), включающего две зоны реактора в концентрической компоновке, где уровень жидкости (10) щелочного технологического потока во внутреннем пространстве упомянутого по меньшей мере одного циркуляционного реактора (1) выбирают, по существу, на одном уровне с верхним краем (7) внутренней трубчатой зоны реактора (6), где со дна во внутреннюю трубчатую зону реактора (6) упомянутого по меньшей мере одного циркуляционного реактора (1) непрерывно вдувают CO2-содержащий газ, где CO2-содержащий газ поглощается щелочным технологическим потоком во внутренней зоне циркуляционного реактора (6), а отработавший газ отводят совместно с остаточными количествами CO2 в верху упомянутого по меньшей мере одного циркуляционного реактора (1), где способ реализуют при давлении окружающей среды, в особенности при 1 атм, и где отводят загущенный черный щелок, характеризующийся пониженным уровнем содержания лигнина, совместно с осажденным лигнином, присутствующим в нем, опционально - после отстаивания в основании упомянутого по меньшей мере одного циркуляционного реактора (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1752018A AT521179B1 (de) | 2018-06-15 | 2018-06-15 | Verfahren zur Isolierung von Lignin aus einem alkalischen Prozessstrom |
| PCT/EP2019/065396 WO2019238783A1 (de) | 2018-06-15 | 2019-06-12 | Verfahren zur isolierung von lignin aus einem alkalischen prozessstrom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA202190020A1 true EA202190020A1 (ru) | 2021-04-07 |
| EA039578B1 EA039578B1 (ru) | 2022-02-11 |
Family
ID=66951922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA202190020A EA039578B1 (ru) | 2018-06-15 | 2019-06-12 | Способ выделения лигнина из щелочного технологического потока |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US11807657B2 (ru) |
| EP (1) | EP3807460B1 (ru) |
| AT (1) | AT521179B1 (ru) |
| CA (1) | CA3103857A1 (ru) |
| CL (1) | CL2020003056A1 (ru) |
| EA (1) | EA039578B1 (ru) |
| PL (1) | PL3807460T3 (ru) |
| UA (1) | UA126012C2 (ru) |
| WO (1) | WO2019238783A1 (ru) |
| ZA (1) | ZA202007776B (ru) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11866456B2 (en) * | 2020-07-14 | 2024-01-09 | Liquid Lignin Company | Process for treating lignin |
| WO2025096955A1 (en) * | 2023-11-02 | 2025-05-08 | Clemson University | Lignin recovery using separation by heat |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE0402201D0 (sv) * | 2004-09-14 | 2004-09-14 | Stfi Packforsk Ab | Method for separating lignin from black liquor |
| EP2094768A4 (en) * | 2006-12-22 | 2010-04-14 | Kiram Ab | PROCESS FOR RECOVERING LOW SODIUM LIGNIN FUEL FROM BLACK LAUNDRY |
| EP2247785B1 (en) | 2008-02-21 | 2019-12-18 | Valmet AB | A method for separating lignin from black liquor, a lignin product, and use of a lignin product for the production of fuels or materials |
| US9879119B2 (en) * | 2009-09-25 | 2018-01-30 | Michael A. Lake | Lignin product and process for making same |
| CN103154097B (zh) * | 2010-06-03 | 2017-01-18 | Fp创新研究中心 | 从黑液中分离木质素的方法 |
| RU2564674C2 (ru) | 2010-10-15 | 2015-10-10 | ЮПМ-Кюммене Корпорейшн | Способ непрерывного осаждения лигнина из черного щелока |
| BR112014022916B1 (pt) * | 2012-03-16 | 2020-11-24 | Valmet Power Ab | METODO PARA A SEPARAQAO DE LIGNINA A PARTIR DE LIXfVIA NEGRA |
| CA2898449C (en) * | 2013-01-24 | 2020-10-27 | Valmet Ab | Method for producing high purity lignin |
| FI20135842A7 (fi) * | 2013-08-19 | 2015-02-20 | Valmet Technologies Oy | Menetelmä ja järjestelmä ligniinin käsittelemiseksi |
| US10858554B2 (en) * | 2015-04-15 | 2020-12-08 | Fpinnovations | High residual content (HRC) kraft/soda lignin as an ingredient in wood adhesives |
-
2018
- 2018-06-15 AT AT1752018A patent/AT521179B1/de active
-
2019
- 2019-06-12 CA CA3103857A patent/CA3103857A1/en active Pending
- 2019-06-12 US US17/251,232 patent/US11807657B2/en active Active
- 2019-06-12 PL PL19731657.3T patent/PL3807460T3/pl unknown
- 2019-06-12 WO PCT/EP2019/065396 patent/WO2019238783A1/de not_active Ceased
- 2019-06-12 EA EA202190020A patent/EA039578B1/ru unknown
- 2019-06-12 UA UAA202008039A patent/UA126012C2/uk unknown
- 2019-06-12 EP EP19731657.3A patent/EP3807460B1/de active Active
-
2020
- 2020-11-25 CL CL2020003056A patent/CL2020003056A1/es unknown
- 2020-12-14 ZA ZA2020/07776A patent/ZA202007776B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| UA126012C2 (uk) | 2022-07-27 |
| EP3807460A1 (de) | 2021-04-21 |
| BR112020025237A2 (pt) | 2021-03-09 |
| WO2019238783A1 (de) | 2019-12-19 |
| EP3807460C0 (de) | 2025-04-23 |
| EP3807460B1 (de) | 2025-04-23 |
| AT521179B1 (de) | 2019-11-15 |
| ZA202007776B (en) | 2021-09-29 |
| EA039578B1 (ru) | 2022-02-11 |
| CA3103857A1 (en) | 2019-12-19 |
| AT521179A4 (de) | 2019-11-15 |
| US11807657B2 (en) | 2023-11-07 |
| PL3807460T3 (pl) | 2025-07-14 |
| CL2020003056A1 (es) | 2021-05-28 |
| US20210261590A1 (en) | 2021-08-26 |
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