FR1182818A - Improvements in the manufacture of wood pulp - Google Patents

Improvements in the manufacture of wood pulp

Info

Publication number
FR1182818A
FR1182818A FR1182818DA FR1182818A FR 1182818 A FR1182818 A FR 1182818A FR 1182818D A FR1182818D A FR 1182818DA FR 1182818 A FR1182818 A FR 1182818A
Authority
FR
France
Prior art keywords
manufacture
wood pulp
pulp
wood
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.)
Akzo Nobel UK PLC
Original Assignee
Courtaulds PLC
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 Courtaulds PLC filed Critical Courtaulds PLC
Application granted granted Critical
Publication of FR1182818A publication Critical patent/FR1182818A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/16—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with particles being subjected to vibrations or pulsations
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • D21C9/185—De-watering; Elimination of cooking or pulp-treating liquors from the pulp comprising at least one step where the pulp is suspended in a gaseous medium, e.g. flash drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
    • F26B3/092—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating
    • F26B3/0926—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed agitating the fluidised bed, e.g. by vibrating or pulsating by pneumatic means, e.g. spouted beds

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Microbiology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
FR1182818D 1956-10-02 1957-09-16 Improvements in the manufacture of wood pulp Expired FR1182818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2995456A GB809429A (en) 1956-10-02 1956-10-02 Improvements in and relating to the preparation of wood pulp

Publications (1)

Publication Number Publication Date
FR1182818A true FR1182818A (en) 1959-06-30

Family

ID=10299898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1182818D Expired FR1182818A (en) 1956-10-02 1957-09-16 Improvements in the manufacture of wood pulp

Country Status (2)

Country Link
FR (1) FR1182818A (en)
GB (1) GB809429A (en)

Also Published As

Publication number Publication date
GB809429A (en) 1959-02-25

Similar Documents

Publication Publication Date Title
FR1190722A (en) Improvements in the manufacture of sheets of fibrous materials
FR1168249A (en) Improvements in the manufacture of regenerated cellulose filaments
FR1182818A (en) Improvements in the manufacture of wood pulp
FR1170828A (en) Improvements in the manufacture of coated papers
FR1180055A (en) Improvements in the production of resinous compositions
FR1160466A (en) Improvements in the manufacture of concrete coatings
FR1193558A (en) Improvements in the manufacture of chemical wood pulp
FR1189974A (en) Improvements in the manufacture of electrolytic capacitors
FR1173735A (en) Improvements in the manufacture of pentaerythritis
FR1229790A (en) Improvements in the manufacture of capacitors
FR70244E (en) Improvements in the manufacture of surface metallized bodies
FR1144921A (en) Improvement in the manufacture of wooden ladders
FR1146284A (en) Improvements in the manufacture of ladders
FR1168335A (en) Footwear making improvements
FR1160972A (en) Improvement in the manufacture of elastic threads
FR1224832A (en) Improvements in the manufacture of gelatin
FR1142517A (en) Improvements in the manufacture of auto-transformers
FR1150958A (en) Improvements in the manufacture of variable capacitors
FR1193660A (en) Improvements in the manufacture of paper-mica
FR1163287A (en) Improvements in the manufacture of isocyanates
FR1173495A (en) Improvements in the production of melamines
FR1128130A (en) Improvements in the manufacture of shutters
FR1129668A (en) Improvements in the manufacture of artificial wood slabs
FR1204952A (en) Improvements in the manufacture of para-amino-diphenylamine
FR1214190A (en) Improvements in the manufacture of dielectrics