Manufacturing method of pulp using rice straw

摘要

1. The technical field to which the invention described in the claims belongs;The present invention relates to a method for producing pulp using rice straw.;2. Technical Problems to be Solved by the Invention;The present invention provides a method for effectively extracting pulp used in the production of paper using rice straw which is generated in a large amount in the rice growing process, so that it is possible to mass-produce pulp of a better quality from rice straw, The present invention provides a method for producing pulp using rice straw which has an improvement effect on the utilization of natural resources by improving the utilization efficiency of rice straw.;3. The point of the solution of the invention;In order to accomplish the above object, the present invention provides a method for separating impurities from rice straw, which comprises crushing rice straw having an impurity concentration of not more than 0.5 cm, dipping it in an aqueous solution of sodium hydroxide for 90 to 120 minutes, dewatering and washing the rice pulp, The present invention also provides a method of producing pulp using a rice straw containing a process of dewatering and washing with water after bleaching treatment by immersing in an aqueous bleaching agent solution.;4. Important Uses of the Invention;The present invention has a use as a pulp to be used as a raw material in the production of paper.