NL16847C - - Google Patents

Info

Publication number
NL16847C
NL16847C NL16847DA NL16847C NL 16847 C NL16847 C NL 16847C NL 16847D A NL16847D A NL 16847DA NL 16847 C NL16847 C NL 16847C
Authority
NL
Netherlands
Application number
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.)
Publication of NL16847C publication Critical patent/NL16847C/xx
Priority claimed from GB2886423A external-priority patent/GB229002A/en

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • D21C3/14—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites ammonium bisulfite
NL16847D 1914-07-06 NL16847C (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR156777X 1914-07-06
GB2886423A GB229002A (en) 1923-11-15 1923-11-15 Improvements in the manufacture of wood pulp and by-products

Publications (1)

Publication Number Publication Date
NL16847C true NL16847C (xx)

Family

ID=26213812

Family Applications (1)

Application Number Title Priority Date Filing Date
NL16847D NL16847C (xx) 1914-07-06

Country Status (5)

Country Link
US (1) US1547907A (xx)
DE (2) DE469372C (xx)
FR (5) FR477895A (xx)
GB (1) GB156777A (xx)
NL (1) NL16847C (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749201C (de) * 1942-10-28 1952-11-10 Kurmaerkische Zellwolle Und Ze Mehrstufiges Sulfitverfahren zur Herstellung eines zur chemischen Weiterverarbeitunggeeigneten Zellstoffes
DE746873C (de) * 1942-10-28 1952-11-10 Kurmaerkische Zellwolle Und Ze Verfahren zur Herstellung eines zur chemischen Weiterverarbeitung geeigneten Zellstoffes nach dem Sulfitverfahren
DE975359C (de) * 1951-01-18 1961-11-09 Yrjoe Dipl-Ing Sivola Verfahren zur Gewinnung von Zellstoff aus cellulosehaltigen Rohstoffen
DE964560C (de) * 1953-04-02 1957-05-23 Zentrales Projektierungsbuero Verfahren zur Vorbehandlung von Hackschnitzeln mit Ammoniak beim Bisulfitzellstoffaufschluss
BE530746A (xx) * 1953-08-14
US2885317A (en) * 1954-03-30 1959-05-05 Stora Kopparbergs Bergslags Ab Method in manufacturing chemical or semi-chemical pulp from heavily resinous wood
DE1133234B (de) * 1959-08-12 1962-07-12 Montedison Spa Verfahren zur Herstellung von Halbzellstoffen
DE102010009309A1 (de) 2009-02-20 2011-02-03 Technische Universität Dresden Verfahren zur dreidimensionalen Umformung und Formfixierung von Furnieren

Also Published As

Publication number Publication date
DE469372C (de) 1928-12-11
FR22049E (fr) 1921-04-21
FR24034E (fr) 1922-02-20
DE495146C (de) 1930-04-02
US1547907A (en) 1925-07-28
FR477895A (fr) 1915-11-12
FR588071A (fr) 1925-04-29
GB156777A (en) 1922-06-07
FR24174E (fr) 1922-03-18

Similar Documents

Publication Publication Date Title
FR477384A (xx)
GB189418479A (xx)
FR472623A (xx)
FR475516A (xx)
FR20771E (xx)
FR476565A (xx)
FR473630A (xx)
FR472535A (xx)
FR476506A (xx)
FR472606A (xx)
CH67143A (xx)
FR477319A (xx)
FR472662A (xx)
FR476261A (xx)
FR475524A (xx)
FR474761A (xx)
FR472591A (xx)
FR473635A (xx)
FR18895E (xx)
FR476435A (xx)
FR470084A (xx)
GB191406462A (xx)
FR18985A (xx)
FR473641A (xx)
FR473687A (xx)