Na<sub>2</sub>CO<sub>3</sub>-assisted oxygen-alkali recyclable cellulose separation/pulping technology of straw and silicon controllable migration.

As shown in Figures 1 C and 1D, at a fixed alkali charge, an increase of sodium carbonate proportion led to overall increases in unscreened cellulose-based pulp yield, Kappa number, and viscosity, while brightness exhibited a decreasing trend.

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