Oil-tea camellia fruit shell semi-chemical pulp preparing process

Abstract

The invention discloses an oil-tea camellia fruit shell semi-chemical pulp preparing process, comprising main steps of preprocessing, boiling, black liquid extracting, washing, mechanical pulp grinding, abeyance eliminating, purifying and screening. Oil-tea camellia fruit shell waste with rich resources is used as a new pulping raw material to produce semi-chemical pulp, so the comprehensive use problem of the oil-tea camellia fruit shell waste is effectively solved, the condition of fiber resource shortage in the paper making industry is relieved, the wood resource consumption in pulping and papermaking is reduced, and the natural environment is protected; the oil-tea camellia fruit shell semi-chemical pulp preparing process overcomes the negative influence of chemical composition of oil-tea camellia fruit shells to the pulping performances, a semi-chemical pulping method massively retaining lignin and hemicellulose is adopted, and the prepared oil-tea camellia fruit shell semi-chemical pulp is less in chemical medicine consumption, high in paper pulp yield, good in strength and low in cost. The oil-tea camellia fruit shell semi-chemical pulp preparing process is strong in operability, low in production cost and easy for realizing large-scale production.

Description

technical field

[0001] The invention relates to a process for preparing camellia oleifera shell semi-chemical pulp, belonging to the technical field of papermaking. Background technique

[0002] Camellia oleifera is a unique woody edible oil tree species in my country. It is also known as the world's four major woody oil plants together with olive, oil palm and coconut. It is mainly produced in the southern provinces of my country. Camellia oleifera husk is the shell of camellia oleifera fruit, accounting for more than 60% of the whole camellia oleifera fruit mass, and its composition is complex, rich in hemicellulose, lignin, cellulose and tannin (polyphenol) substances. At present, the cultivation area of ​​camellia oleifera in my country has reached more than 45 million mu, with an annual output of more than 5.6 million tons of camellia oleifera fruit and more than 3 million tons of camellia oleifera shell. If such a huge camellia oleifera shell resource can be fully util...