Pulp and paper magazine of Canada (1903) (14776415721)

Identifier: pulppapermagazin10gard (find matches)

Title: Pulp and paper magazine of Canada

Year: 1903 (1900s)

Authors:

Subjects: Paper making and trade Wood-pulp

Publisher: Gardenvale, Que. (etc.) National Business Publications (etc.)

Contributing Library: Gerstein - University of Toronto

Digitizing Sponsor: University of Toronto

Text Appearing Before Image:

ngonly serviceable to a limited extent. Withthe process by decoction, not only are thefibres separated, but with them all theother substances contained in the paper,w^hich renders it difficult to define thestructure of the fibres. For a long timepast the disaggregation of paper has beeneffected by means of a lye of diluted soda,which gives a clear pulp, suitable foruse and not containing any hurtful sub-stances, such as size, filling material orstarch. Consequently astonishment is ex-pressed at the proposal of Koenig to aban-don the process of decoction and to re-turn to the system of scraping, on theground that it produces the desired resultmore rapidly than boiling or looseningthe fibre. Professor Herzberg remarksthat the fibres are, it is true, more quicklyprepared for the object glass, but theyare not pure. The decoction of a smallsample of paper in a test glass, whilebeing shaken, in order to loosen the fibres,does not take much longer than mechani-cal defibration. m ^\^\^m mk°.

Text Appearing After Image:

m For Index to Advertisements see pages xlvii. and xlviii. Jif^n :) CD The Pulp and Paper THE JONASSEN PULP REFINER For the Reclaiming of GroundWood and Sulphite Screenings

pulp and paper magazine of canada book illustrations high resolution images from internet archive canada

1903

University of Toronto

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public domain