Chemistry of Pulp and Paper Making

according acid action added alcohol alkali allowed alum amount beater bleach boiling calcium carbonate casein cause caustic soda cellulose cent chemical chlorine clay coating color comparatively completely considerable containing cooking cotton desired determined digester dilute dissolved effect employed excess fibre filler given gives grams ground hard heat importance increase indicates iron less light lime liquor loss material matter means method mill mixed mixture moisture nature necessary obtained operation oxide paper passes plate possible practically precipitate prepared present pressure printing pulp rags reaction reduced removed rosin salts sample separated sheet sizing soda sodium soluble solution standard starch steam straw strength substances sulphite sulphur surface taken temperature tion treated treatment usually varies washing weight wood yield