FR1022903A - Improvements to processes and devices for the treatment of cellulosic materials - Google Patents

Improvements to processes and devices for the treatment of cellulosic materials

Info

Publication number
FR1022903A
FR1022903A FR1022903DA FR1022903A FR 1022903 A FR1022903 A FR 1022903A FR 1022903D A FR1022903D A FR 1022903DA FR 1022903 A FR1022903 A FR 1022903A
Authority
FR
France
Prior art keywords
processes
treatment
devices
cellulosic materials
cellulosic
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.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PAPER AND IND APPLIANCES
Original Assignee
PAPER AND IND APPLIANCES
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PAPER AND IND APPLIANCES filed Critical PAPER AND IND APPLIANCES
Application granted granted Critical
Publication of FR1022903A publication Critical patent/FR1022903A/en
Expired legal-status Critical Current

Links

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
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices
FR1022903D 1949-07-26 1950-06-29 Improvements to processes and devices for the treatment of cellulosic materials Expired FR1022903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US106904A US2616802A (en) 1949-07-26 1949-07-26 Fiberizing lignocellulose steamed under pressure and apparatus

Publications (1)

Publication Number Publication Date
FR1022903A true FR1022903A (en) 1953-03-11

Family

ID=22313884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1022903D Expired FR1022903A (en) 1949-07-26 1950-06-29 Improvements to processes and devices for the treatment of cellulosic materials

Country Status (6)

Country Link
US (1) US2616802A (en)
BE (1) BE496868A (en)
DE (1) DE847685C (en)
FR (1) FR1022903A (en)
GB (1) GB678761A (en)
NL (1) NL84387C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434920A (en) * 1965-10-07 1969-03-25 Frank B K Green Apparatus for continuous digesting

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2771361A (en) * 1951-12-07 1956-11-20 Process Evaluation Devel Defibration processes
US2716927A (en) * 1953-06-03 1955-09-06 Sylvester C Sullivan Fourdrinier
DE1034967B (en) * 1954-01-07 1958-07-24 Der Maschinenfabrik Von Theodo Continuous process and device for the production of semi-pulp from wood
US2893909A (en) * 1954-06-09 1959-07-07 Bauer Bros Co Combined digestion and refining of paper pulp
US2882967A (en) * 1954-10-06 1959-04-21 Pandia Inc Digesting apparatus discharge valve assembly
US2948336A (en) * 1955-06-06 1960-08-09 Pandia Inc Continuous digester
US2953202A (en) * 1955-07-15 1960-09-20 Pandia Inc Continuous digester
US2963086A (en) * 1955-09-22 1960-12-06 Pandia Inc Paper machinery
US2943012A (en) * 1955-12-01 1960-06-28 Int Basic Economy Corp Method and apparatus for fiberizing fibrous material
US2803540A (en) * 1956-03-06 1957-08-20 Condi Engineering Corp Wood chip digestion
US2957795A (en) * 1956-06-07 1960-10-25 Bolton John W & Sons Inc Process for making paper pulp
US2902090A (en) * 1956-07-25 1959-09-01 Jean E Arguillere Apparatus for defibrating hard wood
US2993537A (en) * 1957-12-18 1961-07-25 Sprout Waldron & Co Inc Pulp manufacture
US2996421A (en) * 1957-12-18 1961-08-15 Sprout Waldron & Co Inc Pulp manufacture
NL246956A (en) * 1959-02-26
US3130114A (en) * 1960-11-19 1964-04-21 Statni Drevarsky Vyzk Ustav Process of manufacturing fibreboards and pressings from lignocellulose material
SE341322B (en) * 1968-04-02 1971-12-20 Defibrator Ab
US3617433A (en) * 1968-05-15 1971-11-02 Douglas G Sutherland Defibering discharger for continuous digesters
US4039373A (en) * 1975-12-31 1977-08-02 American Defibrator, Inc. Static discharge device and method for fiber discharge from a pressurized digester
FI81136C (en) * 1987-11-11 1990-09-10 Ahlstroem Oy Method and apparatus for treating pulp
US5262003A (en) * 1991-09-18 1993-11-16 The Black Clawson Company Method and system for defibering paper making materials
US20080277082A1 (en) * 2007-05-07 2008-11-13 Andritz Inc. High pressure compressor and steam explosion pulping method
US8057639B2 (en) 2008-02-28 2011-11-15 Andritz Inc. System and method for preextraction of hemicellulose through using a continuous prehydrolysis and steam explosion pretreatment process
ES2629887T3 (en) 2012-09-19 2017-08-16 Andritz, Inc. Method and apparatus for adding steam for a steam explosion pretreatment process
US8877012B2 (en) 2012-10-24 2014-11-04 Andritz Inc. Piping system from reactor to separator and method to control process flow
CN105258454A (en) * 2015-10-16 2016-01-20 北京神雾环境能源科技集团股份有限公司 Drying method for lignite
SE543000C2 (en) 2018-06-26 2020-09-22 Valmet Oy Method and system for discharging hydrothermally treated lignocellulosic material

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US369836A (en) * 1887-09-13 blackman
US88710A (en) * 1869-04-06 Improvement in grain-drills
US548727A (en) * 1895-10-29 Max spieldiener
US1655618A (en) * 1928-01-10 Assighoe
US44989A (en) * 1864-11-08 Improvement in ore-crushers
US848484A (en) * 1906-09-06 1907-03-26 Thomas Newnham Apparatus for extracting by-products from wood.
US1123033A (en) * 1912-11-27 1914-12-29 William H Stobie Apparatus for disintegrating pulp.
US1127615A (en) * 1914-05-05 1915-02-09 Frank B Gilligan Pulp agitator and refiner.
US1293654A (en) * 1915-08-24 1919-02-11 Adams Mining Machinery Corp Process and apparatus for reducing coal.
US1383881A (en) * 1919-03-25 1921-07-05 Thomas Joseph Ingram Flotation apparatus
US1450600A (en) * 1920-09-09 1923-04-03 Kuttroff Pickhardt & Co Inc Paper made from kapok fiber
FR551013A (en) * 1922-05-05 1923-03-26 Improvements in the manufacture of cellulose
US1850832A (en) * 1925-06-13 1932-03-22 Insulite Co Process of separating wood fibers
DE493573C (en) * 1928-01-31 1930-03-10 Karl Rieth Basic work with a smooth work surface for paper towel holders or the like.
US1922313A (en) * 1931-06-27 1933-08-15 Masonite Corp Process and apparatus for disintegration of material
NL44553C (en) * 1933-09-21
US2063367A (en) * 1934-10-24 1936-12-08 Roza Corp De Extracting method and apparatus
US2129789A (en) * 1936-04-03 1938-09-13 Charles R Seaborne Beater for paper stock
US2184248A (en) * 1936-08-06 1939-12-19 Extractol Process Ltd Method and mechanism for continuously forming liquid-impervious plugs in extraction units
US2289934A (en) * 1939-12-04 1942-07-14 Baker Perkins Co Inc Agitating and pumping mechanism
US2388592A (en) * 1940-03-21 1945-11-06 Defibrator Ab Process of making ligno-cellulose pulps from straw
US2422522A (en) * 1940-08-07 1947-06-17 Paper And Ind Appliances Inc Method for the production of pulp from cellulosic material
US2359543A (en) * 1940-09-24 1944-10-03 Kamyr Ab Apparatus for continuous digestion of fibrous material
US2396587A (en) * 1941-03-20 1946-03-12 American Defibrator Apparatus for producing pulp
US2394182A (en) * 1941-11-20 1946-02-05 Clyde Paper Company Ltd Paper strock disintegrator
US2342225A (en) * 1941-12-30 1944-02-22 Auxilius P Schnyder Paper pulp preparation
GB591921A (en) * 1944-04-08 1947-09-02 Inst Gas Technology Improvements in or relating to apparatus for and method of comminuting a permeable material
US2400544A (en) * 1944-10-24 1946-05-21 Western Union Telegraph Co Conductive paper
US2435335A (en) * 1946-07-19 1948-02-03 Willard H Andrews Hand finishing tool
WO1984004921A1 (en) * 1983-06-08 1984-12-20 Du Pont Substituted benzopentathiepins, process therefor and intermediates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434920A (en) * 1965-10-07 1969-03-25 Frank B K Green Apparatus for continuous digesting

Also Published As

Publication number Publication date
GB678761A (en) 1952-09-10
BE496868A (en)
DE847685C (en) 1952-08-28
NL84387C (en)
US2616802A (en) 1952-11-04

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