Journal . GtO THE JOUENAL OF THE SOCIETY OF CHEMICAL INDUSTRY. [Sept. 20. The matti iiil to be iviliiced to pulp enti-vs by the pipe yand is pushed forward through the uiachiue hy the actionof a number of bhides jdaced on the disc h. During itspassage the material is reduced to pulp by the action of theserrated disintegraor plates (/. The pulp is discharged bythe pipe h.—3;. J. B. Impi-i)renie»tx in or rehiiing to the Treatment nf Vegetable Materials to fit them for the Maiiufaetiirc of Paper, Pasteboard, Threads, Tow, or other like Objects. P. E. E. Pesier, Paris. Eng. Pat. 12,762, Sep
Journal . GtO THE JOUENAL OF THE SOCIETY OF CHEMICAL INDUSTRY. [Sept. 20. The matti iiil to be iviliiced to pulp enti-vs by the pipe yand is pushed forward through the uiachiue hy the actionof a number of bhides jdaced on the disc h. During itspassage the material is reduced to pulp by the action of theserrated disintegraor plates (/. The pulp is discharged bythe pipe h.—3;. J. B. Impi-i)renie»tx in or rehiiing to the Treatment nf Vegetable Materials to fit them for the Maiiufaetiirc of Paper, Pasteboard, Threads, Tow, or other like Objects. P. E. E. Pesier, Paris. Eng. Pat. 12,762, September 20, 1887. G(/. The method consists in macerating the fibrous material in successive baths of caustic alkali in the cold. It is finally treated with boiling water. The -waste liquors are purified by precipitating the dissolved organic matter with a slight excess of hydrochloric acid. The precipitate thus formed mav be used as manure.—E. J. B. Improvements in the Manufacture of Paper Pulp. A. Wright, Glasgow. Eng. Pat. 12,903, September 23, 1887. invention r
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
