TH48010A - Method of reducing the silicon content of green leavening water - Google Patents

Abstract

DC60 (11/08/43) This invention relates to a method of reducing the silicon content of green leavening water in a manufacturing facility. Membranes by means of compounds with divalent cation or trivalent cation, whereby in such method, the residual inoculum containing the cooking chemicals of alkaline membranes and Silicon is densified to add a dry solid component to the inoculum. And the residual fuel that has been dense has been burned to produce the molten and molten material. The liquid will then be dissolved to create a green inoculum. The characteristics that are fundamental to The invention is when a compound with a divalent or trivalent cation is added to water. Residual inoculants so that cation-containing compounds react with silicon to form a Contains cation and silicon, whose compounds are separated from the green leavening agent. The invention relates to a method of reducing the silicon content of green inoculants in manufacturing plants. Membranes by means of compounds with divalent cation or divalent cation, in which the residual leaven contains the cooking chemicals of alkaline membranes and Silicon is densified to add a dry solid component to the inoculum. And the residual fuel that has been dense has been burned to produce the molten and molten material. The liquid is dissolved to create a green inoculum. The characteristics that are fundamental to The invention is when a compound with a divalent cation, or a drive, is added to water. The residual inoculum so that the cation-containing compound reacts with silicon to form a Contains cations and silicon whose compounds are separated from the green leavening agent.

Claims (9)

1. Methods of reducing the silicon content of green inoculum in pulp mill by means of Compounds with divalent or trivalent cations In which the method brings the remaining leavening agent which There is a chemical compound for alkaline membranes and silicon is concentrated to Add a dry solid component of the leavening agent. And the remaining leavening agent that was made Concentrate gets burned To produce molten material And the molten material is dissolved to form water. Green leavening agent This was characterized in that a compound containing magnesium or aluminum cation was added to the residual inoculation. So that cationic compounds will react In liquid and silicon In order to form such compounds containing catons and silicon. In which the compound is separated from the green seminal head 2. Methods consistent with claim 1, which are characterized in that Cation-containing compounds are added to the residual inoculum before the inlet is fed to the Slightly burnt part 3. Methods in accordance with claim 2, which has been characterized in that Cation-containing compounds are added to the residual fuel with the ash residue. 4. Methods consistent with claim 1, which has been characterized in that Cation-containing compounds are added during combustion. 5. Methods consistent with claim 1, which are characterized in that Cation-containing compounds are magnesium compounds. 6.Methods in accordance with claim 1, which are characterized in that Cation-containing compounds are virtually insoluble in water. 7.Methods in accordance with claim 1, which are characterized in that Silicon-containing compounds and cations are separated from the green leaven by filtration. 8.Methods in accordance with claim 1, which are characterized in that The silicon content of the green concentrate produced is less than 2.5 g of SiO2 / l. 9. Methods consistent with claim 8, where the silicon content of green leaven Produced to be less than 0.9 g of SiO2 / l 1 0. Methods in accordance with claim 5, which are characterized in that Magnesium compounds were used in amounts from 2-10 mol of Mg / mol of SiO2 / L precipitated 1. 1. A method consistent with claim 10, where magnesium composition was applied in quantities from 2.5-5 mol of Mg / mol of SiO / L to be precipitated.