Cellulose Cellulose Products And Artificial Rubber Comprising the Preparation
Cellulose Cellulose Products And Artificial Rubber Comprising the Preparation
Josef Bersch
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141, 142 Wash room, 183 tank, 183 Washing machines, 57 Waste water, discharge of, 59, 60 Water, behavior of celluloid towards, 8, 9, 282 effect of, on pulp, 34 filtering of, 34 separation of pulp from, 39 used for grinding. 34 Weapons, celluloid lacquer for, 303 White factis, 325-328 Winkler, Cl. , experiments of, 42 Wood, alcohol from, 12 Classen's process, 102-107 value of, 102 and chemicals, consumption of, 59 lye, proportion between, 68 apparatus for steaming, 44 the production of alcohol f...rom, 97 battery for lixiviation of, 57 boiling of, under pressure, 98, 99 with lye, 67-70 soda lye, 53 cellulose from, 3 preparation of, 50-81 of oxalic acid from, 108-118 production of sugar and alco- hol from, 93-107 dead-ground, 33 disintegration of, by chlorine, 106 hydrochloric acid, 51, 52 hypo chlor- ides, 106 encrusting substance of, 3 extractive substances in, 108 -fibre, disintegration of, byacids, 51 INDEX. 345 Wood for grinding, 23, 24 grinding machines, 27-34 process, first patent for, 22 Voelter's, 23 grindstone for grinding, 27 ground, physical properties of, 48, 49 sorting of, 35-40 hydraulic pressure in grinding, 33, 34 machine for removing knots from, 25, 26 for removing the bark from, 24, 25 mill for the further reduction of, 37, 38 more modern methods for the pro- duction of fermentable sugar from, 94-98 nature of, to be worked for alco- hol, 96-98 older methods for the production of fermentable sugar from, 94- 98 origin of the idea of grinding, 22 preparation of cellulose from, 50- 81 of, for sulphite cellulose, 60 -pulp, chemical, preparation of, 50-81 mechanical, definition of, 22 or wood-stuff; 22-49 preparation of, by the crushing process, 45- 47 properties of, 42, 43 qualities of, 19 reduction of, 19, 94 soaking of, 94 spirit, use of, for dissolving nitro- cellulose, 224 Wood, splitting machine for, 26 steamed, microscopical examina- tion of, 45 pulp from, 43-45 -stuff, definition of, 22 or mechanical wood-pulp, 22-49 suitable for the soda process, 52 tar, 15 threads from, 21 to be ground, preparation of, 24- 26 treatment of, by sulphuric anhy- dride, 106 varieties of, suitable for grinding, 23, 24 for the production of alcohol, 97 for sulphite-cellulose, 60, 61 -vessels, change of cellulose- vessels into, 1 vinegar, 15 water used for grinding, 34 yield of alcohol from, 107 Wool tree, 6 Wrapping paper, sizing of, with vis- cose, 140 stout, 44 T7EAST for fermentation, 100, 101 ZAPON, 303 Zetterlund, process of, for the production of fermentable sugar from wood.
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