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Influence of physicochemical parameters of the alkaline pretreatment on the viscosity of wheat straw slurries
(2021) Sydorenko, Vitalii; Obodovych, Oleksandr; Grabova, Tetyana; Podobiy, Olena
The paper presents the results of the influence of physicochemical parameters of the alkaline pretreatment on the viscosity of wheat straw slurries on its rheological properties. The authors consider the coefficient of apparent viscosity as a complex indicator of wheat straw slurries pretreatment process which depends on the structure and physicochemical properties of system components, thermal parameters of the process (temperature, dispersion, and concentration of dispersed phase, shear flow rate). A wheat straw slurries with a solids content of 10…15% were chosen as the object of research. As a result of research, rheological viscosity and fluidity were constructed for these slurries in the range of shear rates from 1 to 437.4 s-1. The value of viscosity as a function of shear rate for a solids concentration of 10, 12, and 15% w. is given.