Abstract: In a process for continuous blending and/or fluidization of a suspension or a pulp and/or for incorporation of gaseous and/or liquid media into a suspension or pulp, respectively, in particular into a suspension of a fibrous material with fluids, the suspension or pulp, respectively, is subjected to shear forces in a rotary mixer. So as to be able to effect blending or incorporation, respectively, of media into the suspension or pulp, respectively, in an efficient manner and, optionally, over an extended period of time, the suspension or pulp, respectively, is subjected to shear forces of varying sizes across the circumference of the rotary mixer (FIG. 2).

Abstract: The present invention relates to a process for producing viscose pulp from lignocelluloses, such as hardwood, softwood or annual plants, in which process the lignocellulose is treated in a digester at first with saturated steam to prehydrolyze hemicelluloses and subsequently, without flashing, with hot black liquor (HSL) of a preceding sulfate pulp digestion as well as, if desired, under addition of fresh white liquor (WL) to neutralize the acidic reaction products formed, neutralization liquor (NL) thus being formed in the digester. Upon addition of the amount of alkali required for delignification in the form of fresh white liquor (WL), if desired, in combination with a displacement of neutralization liquor (NL) and temperature adjustment, digestion then will take place with or without temperature gradient.