CN113073493A - Papermaking method using rose stems as raw materials - Google Patents
Papermaking method using rose stems as raw materials Download PDFInfo
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- CN113073493A CN113073493A CN202110278550.XA CN202110278550A CN113073493A CN 113073493 A CN113073493 A CN 113073493A CN 202110278550 A CN202110278550 A CN 202110278550A CN 113073493 A CN113073493 A CN 113073493A
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- rose
- pulp
- stems
- paper
- raw material
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/003—Pulping cellulose-containing materials with organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
A papermaking method taking rose stems as raw materials comprises the following steps: s1, preparing materials; s2, extracting, cooking and squeezing; soaking the rose stem in the step S1 with water solvent to extract flavonoid compounds; s3, preparing slurry; grinding the coarse pulp obtained in the step S2 by a high-concentration disc grinder, screening by a pulp screening machine, and grinding the screened residues again; s4, pulping and papermaking; pulping the pulp obtained in the step S3, mixing and diluting, feeding the pulp into a head box through a rotor screen, feeding the pulp into a head box through the head box, and finally, screening to form wet paper, adding the flavonoid compound extracted in the step 2, and pressing, drying and dehydrating the wet paper to form the paper. The method takes the rose stems as the paper making raw material, so that the waste rose stems are fully and reasonably applied; the flavonoids compounds in the rose stems are also recycled, so that the paper has delicate fragrance.
Description
Technical Field
The invention belongs to the technical field of papermaking, and particularly relates to a papermaking method by taking a rose rod as a raw material.
Background
When the rose is used as an economic crop, the flowers of the rose are mainly used for food and essence rose oil extraction, and the rose oil is applied to industries such as cosmetics, food, fine chemical engineering and the like. After the rose flowers are utilized, a large amount of rose stems are left to be discarded. The effective chemical components such as flavonoid compounds, aromatic compounds and the like in the rose stems can not be fully utilized, and the rose stems contain a large amount of cellulose, so that the rose stems can be used as a paper making raw material, the problem of insufficient utilization of rose resources is solved, the utilization field of the rose stems can be expanded, and the problem of shortage of the existing paper making raw material can be relieved. Therefore, there is a need for a method of making paper using rose stems as a raw material.
Disclosure of Invention
The invention aims to provide a papermaking method using rose stems as raw materials, and solves the problems in the background technology.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a papermaking method taking rose stems as raw materials comprises the following steps:
s1, preparation treatment
Air-drying rose stems, cutting into pieces, and removing dust to form a prepared material;
s2, extracting, cooking and squeezing
Soaking the rose stem in the step S1 with water solvent to extract flavonoid compounds; adding the liquid medicine into the remaining rose stem solution, fully mixing and stirring, cooking, dehydrating, squeezing and separating cooking liquor to obtain coarse pulp;
s3 preparation of slurry
Grinding the coarse pulp obtained in the step S2 by a high-concentration disc grinder, screening by a pulp screening machine, and grinding the screened residues again;
s4 pulping and papermaking
And (3) pulping the pulp obtained in the step (S3), controlling the pulping degree to be 25-50 DEG SR, adding an auxiliary agent and a filler, controlling the pH value, mixing and diluting, then feeding the pulp into a high-level box through a rotor screen, then feeding the pulp into a pulp flow box through the high-level box, finally screening the pulp to form wet paper, then adding the flavonoid compound extracted in the step (2), squeezing, drying and dehydrating the wet paper to form the paper.
On the basis of the above scheme and as a preferable scheme of the above scheme, the mass ratio of the water solvent to the rose stems in the step S2 is 40:1, the dipping temperature is 80 ℃, and the dipping time is 35 min.
On the basis of the above scheme and as a preferable scheme of the above scheme, the chemical liquid added in the step S2 is sodium hydroxide and anthraquinone, the dosage of the sodium hydroxide is 2% to 8% of the mass of the rose rod, the dosage of the anthraquinone is 0.3% to 3% of the mass of the rose rod, and the mass ratio of the sodium hydroxide to the anthraquinone is 1:3 to 1: 5.
In addition to the above-mentioned aspects and as a preferable aspect of the above-mentioned aspects, the concentration of the slurry during the refining in the step S3 is controlled to be 10%, and the blade grinding gaps during the refining are 0.5mm, 0.3mm and 0.15mm in this order.
On the basis of the above scheme and as a preferable scheme of the above scheme, the screen size of the screen used in the step S3 is 0.4 mm.
In addition to and as a preferable mode of the above mode, the slurry obtained in S3 is subjected to bleaching treatment, and after the bleaching treatment, the step S4 is further performed.
On the basis of the scheme and as a preferable scheme of the scheme, the bleaching treatment adopts a three-stage bleaching process of chlorination-alkali treatment-hydrogen peroxide method.
On the basis of and as a preferable scheme of the above scheme, the assistant in step S4 is one or more of a retention aid, a drainage aid or a dispersant.
The invention has the following beneficial effects: the method takes the rose stems as the paper making raw materials, so that the waste rose stems are fully and reasonably applied, and a new raw material source is provided for the paper making industry; flavonoids compounds in the rose stems are also recycled, so that the paper has delicate fragrance; the invention can provide a brand new utilization mode for the rose industry, improve the utilization rate of the rose and improve the added value of the rose.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described in the following embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A papermaking method taking rose stems as raw materials comprises the following steps:
s1, preparation treatment
The rose stems are air-dried, cut into pieces and dedusted to form the prepared material.
S2, extracting, cooking and squeezing
Soaking the rose stems in the step 1 with an aqueous solvent, wherein the mass ratio of the aqueous solvent to the rose stems is 40:1, the soaking temperature is 80 ℃, and the soaking time is 35 min; extracting the flavonoid compounds for later use;
sodium hydroxide and anthraquinone were added to the impregnated rose-stem solution. The dosage of the sodium hydroxide is 2 to 8 percent of the mass of the rose stems, the dosage of the anthraquinone is 0.3 to 3 percent of the mass of the rose stems, and the liquid ratio is 1:3 to 1: 5. The liquid ratio is the mass of the rose rod to the mass of the water, and the mass of the rose rod is the mass of the air-dried rose rod. Fully mixing and stirring, then cooking, dehydrating, squeezing and separating the waste cooking liquor to obtain coarse pulp.
S3 preparation of slurry
And (3) grinding the coarse pulp subjected to the squeezing and dewatering treatment in the step (2) by a high-consistency disc grinder, wherein the pulp consistency is controlled at 10% during grinding, and the grinding gaps are 0.5mm, 0.3mm and 0.15mm in sequence during grinding. And screening by a pulp screening machine, wherein the size of the screen is 0.4mm, grinding the screened residues again, and directly using the good pulp in the next process.
S4 pulping and papermaking
Pulping the pulp obtained in the step (3), wherein the pulping degree is controlled to be 25-50 DEG SR, and the pulping degree can be determined according to the requirements of different paper types; and (3) adding an auxiliary agent and a filler, controlling the pH value of the mixture, mixing and diluting the mixture, then feeding the mixture into a head box through a rotor screen, then feeding the mixture into a head box, finally screening the mixture to form wet paper, adding the flavonoid compound extracted in the step (2), and pressing, drying and dehydrating the wet paper to form the paper.
The rose rod fiber can be cut and broomed by beating, so as to meet the production requirements of different paper types.
The filler in step S4 can improve the optical properties and printability of the paper and can provide the paper with certain special properties while reducing the raw material cost of the fibers. The ph is controlled for the use of papermaking chemicals.
The flavonoid compound has various biological activities and has stronger antioxidant free radical effect and antibacterial effect, so that the fibers in the paper can be kept stable for a longer time after the flavonoid compound is added, the paper has faint scent, and the flavonoid compound has certain antibacterial performance.
The method takes the rose stems as the paper making raw materials, so that the waste rose stems are fully and reasonably applied, and a new raw material source is provided for the paper making industry; flavonoids compounds in the rose stems are also recycled, so that the paper has delicate fragrance; the invention can provide a brand new utilization mode for the rose industry, improve the utilization rate of the rose and improve the added value of the rose.
The slurry obtained in S3 is subjected to bleaching treatment, and after the bleaching treatment, the step S4 is performed. The bleaching treatment adopts three-stage bleaching process of chlorination-alkali treatment-hydrogen peroxide method. The pulp obtained in the above steps is not bleached, and the final product is primary color paper. The pulp obtained in S3 is bleached to obtain a white paper.
The auxiliary agent in the step S4 is one or more of retention aid, filter aid or dispersant. Retention aids can improve the retention of fillers and fines; the filter aid can improve the water filtration performance; the dispersant can reduce fiber flocculation and improve formation of the paper stock.
Chemical component analysis of rose stems
The rose rod comprises the following components in percentage by weight:
(1) extracting: the hot water, alkali and organic extract are respectively 19.24%, 42.43% and 3.19%;
(2) lignin: 26.40 percent;
(3) cellulose: 45.73 percent.
The following table is data of comparison of paper making with other grass raw materials by taking rose stems as raw materials (beating degree is 45 DEG SR):
from the above table, it can be concluded that the paper made from rose stems has good physical properties.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A papermaking method taking rose stems as raw materials is characterized by comprising the following steps:
s1, preparation treatment
Air-drying rose stems, cutting into pieces, and removing dust to form a prepared material;
s2, extracting, cooking and squeezing
Soaking the rose stem in the step S1 with water solvent to extract flavonoid compounds; adding the liquid medicine into the remaining rose stem solution, fully mixing and stirring, cooking, dehydrating, squeezing and separating cooking liquor to obtain coarse pulp;
s3 preparation of slurry
Grinding the coarse pulp obtained in the step S2 by a high-concentration disc grinder, screening by a pulp screening machine, and grinding the screened residues again;
s4 pulping and papermaking
And (3) pulping the pulp obtained in the step (S3), controlling the pulping degree to be 25-50 DEG SR, adding an auxiliary agent and a filler, controlling the pH value, mixing and diluting, then feeding the pulp into a high-level box through a rotor screen, then feeding the pulp into a pulp flow box through the high-level box, finally screening the pulp to form wet paper, then adding the flavonoid compound extracted in the step (2), squeezing, drying and dehydrating the wet paper to form the paper.
2. The method for making paper by using rose stems as raw material according to claim 1, wherein the method comprises the following steps: the mass ratio of the water solvent to the rose stems in the step S2 is 40:1, the dipping temperature is 80 ℃, and the dipping time is 35 min.
3. The method for making paper by using rose stems as raw material according to claim 1, wherein the method comprises the following steps: the liquid medicine added in the step S2 is sodium hydroxide and anthraquinone, the dosage of the sodium hydroxide is 2-8% of the mass of the rose rod, the dosage of the anthraquinone is 0.3-3% of the mass of the rose rod, and the mass ratio of the sodium hydroxide to the anthraquinone is 1: 3-1: 5.
4. The method for making paper by using rose stems as raw material according to claim 1, wherein the method comprises the following steps: and in the step S3, the concentration of the pulp is controlled to be 10% during grinding, and the grinding gaps are 0.5mm, 0.3mm and 0.15mm in sequence during grinding.
5. The method for making paper by using rose stems as raw material according to claim 1, wherein the method comprises the following steps: the screen size of the screen used in said step S3 was 0.4 mm.
6. The method for making paper by using rose stems as raw material according to claim 1, wherein the method comprises the following steps: the slurry obtained in S3 is subjected to bleaching treatment, and after the bleaching treatment, the step S4 is performed.
7. The method for making paper by using rose stems as raw material according to claim 6, wherein the method comprises the following steps: the bleaching treatment adopts three-stage bleaching process of chlorination-alkali treatment-hydrogen peroxide method.
8. The method for making paper by using rose stems as raw material according to claim 1, wherein the method comprises the following steps: the auxiliary agent in the step S4 is one or more of retention aid, filter aid or dispersant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110278550.XA CN113073493A (en) | 2021-03-12 | 2021-03-12 | Papermaking method using rose stems as raw materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110278550.XA CN113073493A (en) | 2021-03-12 | 2021-03-12 | Papermaking method using rose stems as raw materials |
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| CN113073493A true CN113073493A (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110278550.XA Pending CN113073493A (en) | 2021-03-12 | 2021-03-12 | Papermaking method using rose stems as raw materials |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287968A (en) * | 2017-07-05 | 2017-10-24 | 东北林业大学 | A kind of papermaking process using discarded tea stalk as raw material |
| CN111041887A (en) * | 2019-12-26 | 2020-04-21 | 同曦集团有限公司 | Antibacterial, mildew-proof and moth-proof rice paper raw pulp, prepared rice paper and preparation method |
-
2021
- 2021-03-12 CN CN202110278550.XA patent/CN113073493A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287968A (en) * | 2017-07-05 | 2017-10-24 | 东北林业大学 | A kind of papermaking process using discarded tea stalk as raw material |
| CN111041887A (en) * | 2019-12-26 | 2020-04-21 | 同曦集团有限公司 | Antibacterial, mildew-proof and moth-proof rice paper raw pulp, prepared rice paper and preparation method |
Non-Patent Citations (2)
| Title |
|---|
| 李建国: "《白茶新语》", 31 January 2019, 文化发展出版社 * |
| 郭力: "《中药化学（第2版）》", 31 August 2018, 中国医药科技出版社 * |
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Application publication date: 20210706 |
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