Application of tea leaf residues in paper making, and making method of paper by using tea leaf residues

A technology for tea residues and Pu'er tea residues, applied in the field of papermaking, can solve the problems of environmental pollution by processing technology, unfavorable environmental protection, destruction of natural resources, etc., and achieve the effects of simple cooking process, simple delignification process, and natural resource conservation.

Inactive Publication Date: 2014-06-18
TIANJIN TASLY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, the plant fibers used in papermaking are generally made of reed, bamboo, wood, hemp, cotton, etc., and are made through processes such as soaking, cooking, washing, drying, drying, fishing, squeezing, and baking. As a result, a large amount of alkaline and bleaching substances are used in the papermaking process, and the material is cooked at high temperature. According...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Take 100kg of Pu'er tea dregs and add 8% sodium hydroxide by weight, add 800kg of water, steam at 120°C for 2 hours under high temperature and high pressure, filter, refine and wash pulp, after adding dispersant, adopt the conventional method in the prior art Papermaking method Papermaking, the resulting paper sheets are air-dried in a ventilated place or dried within 105°C to obtain special paper with a dry brown color.

Embodiment 2

[0037] Take 100kg of Pu'er tea dregs, add 10% by weight of sodium bicarbonate, add 500kg of water, steam at 120°C for 2.5 hours under high temperature and pressure, filter, refine and wash pulp, and add 20% by weight of Medium and long fibers, after adding dispersant, use the conventional papermaking method in the prior art to make paper, and dry the obtained paper in a ventilated place or within 105°C to obtain a special paper with a dry brown color.

Embodiment 3

[0039] Take 100kg of black tea tea dregs, add 8% sodium hydroxide by weight, add 1000kg of water, heat to boiling, continue for 3 hours, filter, refine, wash pulp, after adding dispersant, adopt conventional papermaking in the prior art Methods Papermaking, the resulting paper sheets are air-dried or dried in a ventilated place to obtain special paper with a dry brown color.

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PUM

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Abstract

The invention provides an application of tea leaf residues in paper making, and a making method of paper by using the tea leaf residues. The making method concretely comprises the following steps: adding an alkaline substance to the tea leaf residues, heating, carrying out pulp grinding, carrying out pulp washing, separating fibers to prepare a pulp, adding a dispersant into the pulp, papermaking, and baking paper to obtain dry paper.

Description

technical field [0001] The invention relates to a papermaking technology, in particular to an application of using tea dregs in papermaking and a preparation method thereof, as well as special paper manufactured according to the technology, belonging to the field of papermaking. Background technique [0002] In recent years, the field of deep processing of tea has continued to expand, and the production of tea beverages, instant tea, and tea polyphenols has grown rapidly. The extraction of functional components in these production processes will produce a large amount of tea dregs; the tea dregs produced by deep processing of tea and daily life Chinese people can only discard the residual tea dregs after brewing and drinking tea, which is a pity to throw away, and there are even illegal personnel who dry the discarded tea dregs and mix them into tea leaves for sale. Therefore, there is an urgent need to invent a method for effectively utilizing tea dregs to turn waste into t...

Claims

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Application Information

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IPC IPC(8): D21H17/01D21C5/00
Inventor 李向波陈庆闯徐琼波刘顺航贾黎晖
Owner TIANJIN TASLY GROUP
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