FR628775A - Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite - Google Patents

Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite

Info

Publication number
FR628775A
FR628775A FR628775DA FR628775A FR 628775 A FR628775 A FR 628775A FR 628775D A FR628775D A FR 628775DA FR 628775 A FR628775 A FR 628775A
Authority
FR
France
Prior art keywords
cooking
regeneration
elements
solution
cellulosic materials
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)
Inventor
Pierre-Alfred Barbou
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 filed Critical
Application granted granted Critical
Publication of FR628775A publication Critical patent/FR628775A/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B17/00—Wheels characterised by rail-engaging elements
    • B60B17/0027—Resilient wheels, e.g. resilient hubs
    • B60B17/0031—Resilient wheels, e.g. resilient hubs using springs
    • B60B17/0034—Resilient wheels, e.g. resilient hubs using springs of rubber or other non-metallic material
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR628775D 1926-04-21 1926-04-21 Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite Expired FR628775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR490053X 1926-04-21

Publications (1)

Publication Number Publication Date
FR628775A true FR628775A (en) 1927-10-28

Family

ID=8904318

Family Applications (3)

Application Number Title Priority Date Filing Date
FR628775D Expired FR628775A (en) 1926-04-21 1926-04-21 Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite
FR36977D Expired FR36977E (en) 1926-04-21 1929-03-16 Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite
FR39929D Expired FR39929E (en) 1926-04-21 1930-07-04 Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite

Family Applications After (2)

Application Number Title Priority Date Filing Date
FR36977D Expired FR36977E (en) 1926-04-21 1929-03-16 Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite
FR39929D Expired FR39929E (en) 1926-04-21 1930-07-04 Process for the regeneration of the elements so2 and na2o contained in the residual liquors resulting from the cooking of cellulosic materials, and in particular with a solution of sodium sulphite

Country Status (4)

Country Link
DE (1) DE490053C (en)
FR (3) FR628775A (en)
GB (1) GB269909A (en)
NL (1) NL36519C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116144038A (en) * 2022-11-02 2023-05-23 华南理工大学 Method for preparing furfural, lignin sulfonate and high degradable cellulose by integrated multi-process coupling

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2484046A (en) * 1940-11-22 1949-10-11 Nyman Carl Helmer Method of treating scale forming liquors
NL96180C (en) * 1952-02-21
DE1013956B (en) * 1954-10-06 1957-08-14 Bayer Ag Process for the production of water-soluble, low-sulfur lignosulfo acids and their alkali or ammonium salts
CN115874477B (en) * 2021-09-29 2024-04-09 武夷学院 Water-soluble fertilizer product prepared from pulping byproducts and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116144038A (en) * 2022-11-02 2023-05-23 华南理工大学 Method for preparing furfural, lignin sulfonate and high degradable cellulose by integrated multi-process coupling
CN116144038B (en) * 2022-11-02 2024-05-07 华南理工大学 Method for preparing furfural, lignin sulfonate and high degradable cellulose by integrated multi-process coupling

Also Published As

Publication number Publication date
GB269909A (en) 1928-07-19
DE490053C (en) 1930-01-23
FR36977E (en) 1930-09-13
FR39929E (en) 1932-03-19
NL36519C (en) 1900-01-01

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