CN115821616A - Preparation method of cigarette carton material - Google Patents
Preparation method of cigarette carton material Download PDFInfo
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- CN115821616A CN115821616A CN202211392633.2A CN202211392633A CN115821616A CN 115821616 A CN115821616 A CN 115821616A CN 202211392633 A CN202211392633 A CN 202211392633A CN 115821616 A CN115821616 A CN 115821616A
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 76
- 238000000034 method Methods 0.000 claims abstract description 46
- 241000233866 Fungi Species 0.000 claims abstract description 45
- 241000208125 Nicotiana Species 0.000 claims abstract description 43
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 43
- 239000002994 raw material Substances 0.000 claims abstract description 34
- 230000001954 sterilising effect Effects 0.000 claims abstract description 23
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 3
- 108090000790 Enzymes Proteins 0.000 claims description 33
- 102000004190 Enzymes Human genes 0.000 claims description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 27
- 230000003592 biomimetic effect Effects 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 13
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 10
- -1 sodium carboxylate Chemical class 0.000 claims description 10
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 5
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 26
- 229920005610 lignin Polymers 0.000 description 17
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical group OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- 229960001484 edetic acid Drugs 0.000 description 7
- 239000008055 phosphate buffer solution Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 238000005273 aeration Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 5
- 238000004537 pulping Methods 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000005022 packaging material Substances 0.000 description 4
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- MHKWSJBPFXBFMX-UHFFFAOYSA-N iron magnesium Chemical class [Mg].[Fe] MHKWSJBPFXBFMX-UHFFFAOYSA-N 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000006911 enzymatic reaction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000001814 pectin Substances 0.000 description 2
- 229920001277 pectin Polymers 0.000 description 2
- 235000010987 pectin Nutrition 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229960004793 sucrose Drugs 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 102000004195 Isomerases Human genes 0.000 description 1
- 108090000769 Isomerases Proteins 0.000 description 1
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- 108010029541 Laccase Proteins 0.000 description 1
- 108010059896 Manganese peroxidase Proteins 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- XUJNEKJLAYXESH-UHFFFAOYSA-N cysteine Natural products SCC(N)C(O)=O XUJNEKJLAYXESH-UHFFFAOYSA-N 0.000 description 1
- 235000018417 cysteine Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
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- 230000001939 inductive effect Effects 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
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- 230000002194 synthesizing effect Effects 0.000 description 1
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Abstract
The invention provides a preparation method of a cigarette carton material, which comprises the following steps: s1, putting a tobacco stem raw material into a bio-enzyme-like solution for pretreatment to obtain a first slurry; s2, performing first sterilization treatment on the first slurry to obtain a second slurry; s3, adding white rot fungi into the second slurry for processing to obtain a third slurry; and S4, carrying out second sterilization treatment on the third slurry to obtain papermaking slurry. The method provided by the invention takes the tobacco stems as raw materials, not only meets the requirement of national low-carbon economy, but also further enriches the raw material warehouse of the cigarette carton material, can avoid resource waste, and can achieve the effects of reducing cost, being biodegradable and reducing environmental pollution.
Description
Technical Field
The invention relates to the technical field of cigarette packaging materials, in particular to a preparation method of a cigarette carton material.
Background
Although the annual yield of tobacco is the first world in China as a big tobacco planting country, millions of tons of waste tobacco scraps are wasted because the waste tobacco scraps cannot be used for preparing the tobacco every year, wherein the tobacco stalks are taken as main materials. The tobacco stem is the rough and hard midrib in the tobacco leaf and accounts for about 25 to 30 percent of the weight of the leaf. Currently, the utilization of tobacco stems mainly comprises the following steps: manufacturing a coating and a plastic product; obtaining chemical raw materials and fertilizer raw materials from tobacco stems or preparing active carbon from the tobacco stems; extracting nicotine from tobacco stem material to prepare pesticide, bactericide, etc.
In the early stage, the traditional smoke box is mostly prepared by taking the wood board as a raw material, but along with the continuous rising of the wood price and the gradual enhancement of the environmental awareness of consumers, the wood board smoke box is difficult to meet the requirements of producers on cost and the requirements of a large trend on environmental protection. The tobacco box is prepared by taking the tobacco stems as raw materials, so that not only can resource waste be avoided, but also the effects of reducing cost, being biodegradable and reducing environmental pollution can be achieved. However, because the tobacco stems have certain hydrophilicity, the energy consumption demand is increased in the process of mechanical refining or chemical pulping, and the tobacco stems are difficult to be directly applied to paper making.
Therefore, how to provide a preparation method of a cigarette carton material with simple process, low cost and good biodegradability becomes a problem to be solved by the technical personnel in the field.
Disclosure of Invention
In order to solve the technical problems, the invention provides a preparation method of a cigarette packaging material, which takes tobacco stems as raw materials, not only meets the requirement of national 'low-carbon economy', but also further enriches the raw material warehouse of cigarette carton materials, can avoid resource waste, and can achieve the effects of reducing cost, being biodegradable and reducing environmental pollution.
The invention provides a preparation method of a cigarette carton material, which comprises the following steps:
s1, putting a tobacco stem raw material into a bio-enzyme imitation solution for pretreatment to obtain a first slurry;
s2, performing first sterilization treatment on the first slurry to obtain a second slurry;
s3, adding white rot fungi into the second slurry for processing to obtain a third slurry;
and S4, carrying out second sterilization treatment on the third slurry to obtain papermaking slurry.
At present, the tobacco stems are generally used as leftover materials to be discarded, so that not only is the waste of natural resources caused, but also the environmental pollution is caused. Researches show that lignin with small molecular weight in tobacco stems is abundant and hydrophilic, energy consumption demand is increased in the process of mechanical pulping or chemical pulping, and the lignin is difficult to be directly applied to paper making, so that the lignin is removed by treatment before pulping.
The method takes tobacco stems as raw materials, removes lignin in the tobacco stems by bio-enzyme imitation treatment and white rot fungus treatment to obtain pulp with high cellulose content for making paper and making cigarette carton materials.
The biological enzyme is prepared by screening out the components with dominant action from natural biological enzyme, and then synthesizing the substances with the same effect by a chemical method. The substance has the specificity and high efficiency of enzyme, and has the characteristics of simple chemical substance structure and stable property. The substrate is used as a catalyst under specific culture conditions for recognition, binding and catalysis.
The white rot fungus has a unique enzyme degradation system and comprises woodPeroxidase, manganese peroxidase, laccase. The method for degrading lignin by white rot fungi mainly comprises two stages: (1) in cells, white rot fungi are stimulated by external conditions and metabolized intracellularly to synthesize various lignin-degrading enzyme systems including H 2 O 2 Producing an enzyme system, a lignin degrading enzyme system. (2) Outside cells, the catalytic function of lignin-degrading enzymes plays a role in efficiently catalyzing lignin, catalytic products and the existing components of lignin to generate H 2 O 2 After triggering a series of free radical chain reactions to generate a reactive enzyme intermediate, lignin is oxidized into a plurality of different free radicals and finally degraded into CO 2 And H 2 O。
Preferably, in step S1, the biomimetic enzyme in the biomimetic enzyme solution comprises the following raw materials in parts by weight: 45-55 parts of magnesium sulfate, 25-30 parts of ferrous nitrate, 20-25 parts of sodium carboxylate and 25-30 parts of potassium carboxylate.
In the course of the bio-enzyme-like treatment, mgSO 4 、Fe(NO 3 ) 2 Dissolving in water to produce Fe 3+ 、Mg 2+ Under the influence of aspartic acid and cysteine in the tobacco stems, iron-magnesium dimer metalloenzyme is formed. Under the action of the iron-magnesium bimetaase, the lignin pectin which originally has the combined action between the fibers is removed, the bridging relation of water molecules-iron-magnesium bimetaase-water molecules is formed between the fibers, and Fe 3+ 、Mg 2+ The hydroxyl group which is positioned at the C end of the triose isomerase and is used as a bridge is connected, the enzymatic reaction speed is reduced along with the reduction of temperature and the reduction of substrates (lignin and pectin), the iron-magnesium dimer metalloenzyme is removed from the bridging connection, the connection of two water molecules is unstable, one water molecule is removed, and the water bridge connection is formed between fibers. Through the treatment of the bio-enzyme imitation, the connection between fibers is facilitated, and the physical strength of the finished paper is improved.
Preferably, the concentration of the biomimetic enzyme in the biomimetic enzyme solution is 0.6-0.85 mol/L.
Preferably, the mass ratio of the tobacco stem raw material to the biomimetic enzyme solution is 4.
Preferably, in step S1, the temperature of the pretreatment process is 25-35 ℃ and the time is 4-6h.
Preferably, in step S1, the aeration is maintained while maintaining the temperature.
Preferably, in step S1, the time of the pretreatment process is 4.5-5.5h.
Preferably, in step S1, the aeration process is performed by refluxing the liquid by a water pump.
Preferably, in the step S1, the liquid is pumped out by a water pump and then flows back to the reaction system, so that on one hand, the materials can be mixed more uniformly, and the reaction is more complete; on the other hand, air is mixed in during the reflux, so that sufficient oxygen in the reaction system is ensured, and the reaction is facilitated.
Preferably, in the step S3, the addition amount of the white rot fungi is 2 to 3 percent of the mass of the second slurry.
Preferably, in the step S3, the addition amount of the white rot fungi is 2.2% -2.8% of the mass of the second slurry.
According to the research, in the process of degrading lignin by white rot fungi, long-bond hydrocarbon with high molecular weight is firstly cut off to generate short-bond hydrocarbon with low molecular weight, a ring structure is opened and cracked to form a chain compound, the number of hydroxyl, methylene groups and carboxyl is continuously increased, and the lignin is degraded into small-molecular acid or lipid to be utilized by the growth metabolic process of the white rot fungi.
Preferably, in step S3, in addition to the white rot fungi, phosphate buffer solution with pH value of 7.2-7.4 is added, and the adding amount of the phosphate buffer solution is 20% -30% of the mass of the second slurry.
Preferably, the phosphate buffer solution has MnSO dissolved therein 4 ·H 2 O、NaCl、FeSO 4 ·7H 2 O and CaCl 2 (ii) a Wherein, mnSO 4 ·H 2 The adding amount of O is 0.006-0.01 percent of the mass of the second slurry, the adding amount of NaCl is 0.01-0.015 percent of the mass of the second slurry, and FeSO 4 ·7H 2 The adding amount of O is 0.005-0.01 percent of the mass of the second slurry, and CaCl 2 The adding amount of the second sizing agent is 0.005-0.01 percent of the mass of the second sizing agent. The addition of metal ions is favorable for inducing white rot fungi to generate enzyme required by reactionAnd the degradation process is accelerated.
Preferably, in step S3, the white rot fungus is treated at 25-35 deg.C with air humidity of 60-70% for 8-12 days.
In the white rot fungus treatment process, a carbon source is added when the white rot fungus reacts for 20-24h, a nitrogen source is added when the white rot fungus reacts for 44-48h, and a catalyst is added when the white rot fungus reacts for 90-96 h.
Wherein the catalyst is used for promoting the growth of white rot fungi.
In the whole degradation process, the white rot fungi supply self-survival by using small molecular carbon sources in tobacco stems, after the consumption is used up, the external carbon sources are used for supplementing to meet the energy required by the growth of hyphae, and then the lignin is degraded.
According to the invention, through researching the action process of the white rot fungi, the carbon source, the nitrogen source and the catalyst are supplied in a proper time period, and the barrier that lignin is difficult to degrade in the lignocellulose structure can be broken through, so that the lignin is degraded.
Preferably, the catalyst is one or two of manganese dioxide and aluminum oxide.
Preferably, the adding amount of the catalyst is 0.01-0.015% of the mass fraction of the second slurry.
Preferably, the carbon source is one or more of starch, sucrose and glucose.
Preferably, the adding amount of the carbon source is 0.02-0.06% of the mass fraction of the second slurry.
Preferably, the nitrogen source is one or more of ammonium nitrate, ammonium chloride and ammonium sulfate.
Preferably, the adding amount of the nitrogen source is 0.02 to 0.06 percent of the mass fraction of the second slurry.
Preferably, in step S2, the first sterilization process is: the sterilization temperature is 115-125 ℃, and the sterilization time is 30-50 min.
Through the first sterilization treatment, the growth of the white rot fungi can be effectively ensured, and the interference of other bacteria is avoided.
Preferably, in step S4, the second sterilization process is: adding 4-5.5% of sodium hydroxide solution, wherein the addition amount of the sodium hydroxide solution is 0.3-0.5% of the third slurry.
Preferably, the addition amount of the sodium hydroxide solution is 0.35 to 0.45% of the third slurry.
Preferably, in the step S1, the tobacco stem raw material is tobacco stem sections of 1-2 cm.
The tobacco stalk raw material is processed into short tobacco stalk segments, which is beneficial to improving the reaction efficiency of the whole process.
Preferably, the method further comprises the step S5: and manufacturing the paper making pulp serving as a raw material to obtain the cigarette carton material.
Preferably, step S5 is to grind the paper making pulp for 50-70min, add chelating agent with the mass fraction of 0.8-1.2% of the paper making pulp, process for 20-40min at 55-65 ℃, make paper pulp and make smoke box.
Preferably, the papermaking slurry is ground using a disc grinder.
Preferably, the chelating agent is EDTA to improve pulp brightness and reduce fouling in the disc mill.
The invention has the positive effects that: the tobacco stems are used as raw materials to manufacture the cigarette carton material, so that resource waste can be avoided, and the effects of low cost, biodegradability and small environmental pollution can be achieved. The tobacco stalks are treated by the bionic enzyme, which not only utilizes the specificity and high efficiency of the enzyme, but also ensures that an enzyme reaction system has the advantages of chemical stability and simple structure. The white rot fungus treatment can achieve the purpose of cellulose separation and purification, and accelerate the lignin degradation speed and efficiency. Compared with the prior art that the Kappa value of the paper pulp is influenced by the fact that hexenuronic acid is generated in the alkali and sulfate cooking pulping process, the method does not need to use a high-temperature strong alkali system, can effectively reduce the generation of hexenuronic acid, reduces the discharge amount of chemical substances in the preparation process, and can achieve the effects of saving energy and improving the physical properties of paper.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the present application will be clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. 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 application.
Example 1
A preparation method of a cigarette carton material comprises the following steps:
s1, putting a tobacco stem raw material into a bio-enzyme imitation solution for pretreatment, wherein the bio-enzyme imitation solution comprises the following raw materials in parts by weight: 45 parts of magnesium sulfate, 25 parts of ferrous nitrate, 20 parts of sodium carboxylate and 25 parts of potassium carboxylate; the concentration of biomimetic enzyme in the biomimetic enzyme solution is 0.6mol/L, and the mass ratio of the tobacco stem raw material to the biomimetic enzyme solution is 4; the temperature in the pretreatment process is 25 ℃, the time is 6 hours, and the aeration is kept while the heat is preserved to obtain first slurry;
s2, performing first sterilization treatment on the first slurry at the sterilization temperature of 120 ℃ for 40min to obtain second slurry;
s3, adding white rot fungi into the second slurry for treatment, wherein the addition amount of the white rot fungi is 2.4% of the mass of the second slurry, and simultaneously adding phosphate buffer solution with the pH value of 7.3 and the mass of the second slurry accounting for 20% of the mass of the second slurry, and 0.006% MnSO 4 ·H 2 O、0.01％NaCl、0.005％FeSO 4 ·7H 2 O、0.01％CaCl 2 (ii) a In the white rot fungus treatment process, the air humidity is kept at 60%, the temperature is 30 ℃, and the reaction lasts for 9 days; in the white rot fungus treatment process, glucose with the mass fraction of the second slurry being 0.02% is added when the white rot fungus reacts for 24 hours, ammonium nitrate with the mass fraction of the second slurry being 0.02% is added when the white rot fungus reacts for 48 hours, mnO with the mass fraction of the second slurry being 0.01% is added when the white rot fungus reacts for 96 hours 2 Obtaining a third slurry;
s4, performing second sterilization treatment on the third slurry, and adding a 4% sodium hydroxide solution, wherein the addition amount of the sodium hydroxide solution is 0.35% of that of the third slurry, so as to obtain papermaking slurry;
and S5, taking the papermaking pulp as a raw material, treating the papermaking pulp for 40min by using a disc mill, adding EDTA (ethylene diamine tetraacetic acid) with the mass fraction of 0.8% of the papermaking pulp, carrying out heat preservation treatment for 20min at the temperature of 55 ℃, and making paper into the cigarette carton material.
Example 2
A preparation method of a cigarette packaging material comprises the following steps:
s1, putting a tobacco stem raw material into a bio-enzyme imitation solution for pretreatment, wherein the bio-enzyme imitation solution comprises the following raw materials in parts by weight: 50 parts of magnesium sulfate, 30 parts of ferrous nitrate, 25 parts of sodium carboxylate and 30 parts of potassium carboxylate; the concentration of biomimetic enzyme in the biomimetic enzyme solution is 0.8mol/L, and the mass ratio of the tobacco stem raw material to the biomimetic enzyme solution is 5; the temperature in the pretreatment process is 30 ℃, the time is 5 hours, and the aeration is kept while the heat is preserved to obtain first slurry;
s2, performing first sterilization treatment on the first slurry at the temperature of 125 ℃ for 30min to obtain second slurry;
s3, adding white rot fungi into the second slurry for treatment, wherein the addition amount of the white rot fungi is 2.6 percent of the mass of the second slurry, 20 percent of phosphate buffer solution with the pH value of 7.3 and 0.008 percent of MnSO of the mass of the second slurry 4 ·H 2 O、0.012％NaCl、0.008％FeSO 4 ·7H 2 O、0.015％CaCl 2 (ii) a In the white rot fungus treatment process, the air humidity is kept at 70%, the temperature is 25 ℃, and the reaction lasts for 10 days; in the white rot fungus treatment process, cane sugar with the mass fraction of 0.02% of the second slurry is added when the reaction is carried out for 24 hours, ammonium sulfate with the mass fraction of 0.02% of the second slurry is added when the reaction is carried out for 48 hours, and MnO with the mass fraction of 0.01% of the second slurry is added when the reaction is carried out for 96 hours 2 Obtaining a third slurry;
s4, performing second sterilization treatment on the third slurry, and adding 4.5% of sodium hydroxide solution, wherein the addition amount of the sodium hydroxide solution is 0.4% of that of the third slurry, so as to obtain papermaking slurry;
and S5, taking the papermaking pulp as a raw material, treating the papermaking pulp for 50min by using a disc mill, adding EDTA (ethylene diamine tetraacetic acid) with the mass fraction of 1.0% of the papermaking pulp, carrying out heat preservation treatment for 30min at the temperature of 60 ℃, and making paper into the cigarette carton material.
Example 3
A preparation method of a cigarette packaging material comprises the following steps:
s1, putting a tobacco stem raw material into a bio-enzyme imitation solution for pretreatment, wherein the bio-enzyme imitation solution comprises the following raw materials in parts by weight: 45 parts of magnesium sulfate, 25 parts of ferrous nitrate, 25 parts of sodium carboxylate and 30 parts of potassium carboxylate; the concentration of biomimetic enzyme in the biomimetic enzyme solution is 0.7mol/L, and the mass ratio of the tobacco stem raw material to the biomimetic enzyme solution is 4.5; the temperature in the pretreatment process is 30 ℃, the time is 4.5 hours, and the aeration is kept while the heat is preserved to obtain first slurry;
s2, performing first sterilization treatment on the first slurry at 115 ℃ for 50min to obtain second slurry;
s3, adding white-rot fungi into the second slurry for treatment, wherein the addition amount of the white-rot fungi is 2.2% of the mass of the second slurry, the phosphate buffer solution with the pH value of 7.3 is 20% of the mass of the second slurry, and the percentage of the phosphate buffer solution in the second slurry is 0.009 MnSO 4 ·H 2 O、0.01％NaCl、0.007％FeSO 4 ·7H 2 O、0.01％CaCl 2 (ii) a In the white rot fungus treatment process, the air humidity is kept at 65%, the temperature is 30 ℃, and the reaction lasts 12 days; in the white rot fungus treatment process, glucose with the mass fraction of the second slurry being 0.02% is added when the white rot fungus reacts for 24 hours, ammonium nitrate with the mass fraction of the second slurry being 0.02% is added when the white rot fungus reacts for 48 hours, mnO with the mass fraction of the second slurry being 0.01% is added when the white rot fungus reacts for 96 hours 2 Obtaining a third slurry;
s4, performing second sterilization treatment on the third slurry, and adding a 5% sodium hydroxide solution, wherein the addition amount of the sodium hydroxide solution is 0.45% of that of the third slurry, so as to obtain papermaking slurry;
and S5, taking the papermaking pulp as a raw material, treating the papermaking pulp for 40min by using a disc mill, adding EDTA (ethylene diamine tetraacetic acid) with the mass fraction of 0.9% of the papermaking pulp, carrying out heat preservation treatment for 40min at the temperature of 55 ℃, and making paper with paper to obtain the cigarette carton material.
Comparative example 1
The same procedure as in example 1 was repeated except that no bio-mimetic enzyme was added.
Comparative example 2
The same procedure as in example 1 was repeated except that no white rot fungi were added.
Comparative example 3
The disc-grinding treatment time in S5 was adjusted to 10min, and the same procedure as in example 1 was repeated.
Comparative example 4
The sterilization time in S2 was adjusted to 10min, and the procedure was otherwise the same as in example 1.
The results of the performance test of the cigarette carton materials obtained in examples 1 to 3 and comparative examples 1 to 4 are shown in Table 1.
TABLE 1 test results of the properties of the finished product
As can be seen from Table 1, the cigarette carton materials prepared by the preparation method provided by the invention in examples 1-3 have the degradation performance of more than 95% and relatively high physical strength. Comparative example 1 had a poor physical property, because of lack of the effect of the biomimetic enzyme, the tensile index and the degradation property were both much reduced. In the comparative example 2, the function of white rot fungi is lacked, so that the tensile index and the degradation performance are both reduced greatly, the physical performance is poor, and the cigarette carton material is difficult to prepare. In comparative examples 3 to 4, the physical properties of the final products obtained were inferior because the process parameters of the respective steps did not fall within the optimum process range provided by the present invention.
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 (10)
1. The preparation method of the cigarette carton material is characterized by comprising the following steps:
s1, putting a tobacco stem raw material into a bio-enzyme-like solution for pretreatment to obtain a first slurry;
s2, performing first sterilization treatment on the first slurry to obtain a second slurry;
s3, adding white rot fungi into the second slurry for processing to obtain a third slurry;
and S4, carrying out second sterilization treatment on the third slurry to obtain papermaking slurry.
2. The method for preparing the cigarette carton material according to claim 1, wherein in the step S1, the biomimetic enzyme in the biomimetic enzyme solution comprises the following raw materials in parts by weight: 45-55 parts of magnesium sulfate, 25-30 parts of ferrous nitrate, 20-25 parts of sodium carboxylate and 25-30 parts of potassium carboxylate.
3. The method for preparing the cigarette carton material according to claim 1, wherein the concentration of the biomimetic enzyme in the biomimetic enzyme solution is 0.6-0.85 mol/L;
and/or the mass ratio of the tobacco stem raw material to the biomimetic enzyme solution is 4.
4. The method for preparing the cigarette carton material according to the claim 1, wherein in the step S1, the temperature of the pretreatment process is 25-35 ℃ and the time is 4-6h.
5. The method for preparing the cigarette carton material according to claim 1, wherein in the step S3, the addition amount of the white rot fungi is 2-3% of the mass of the second slurry.
6. The method for preparing the cigarette carton material according to claim 5, wherein in the step S3, in the white rot fungus treatment process, the air humidity is 60-70%, the temperature is 25-35 ℃, and the reaction lasts 8-12 days.
7. The method for preparing the cigarette carton material according to the claim 1, wherein in the step S2, the first sterilization treatment is: the sterilization temperature is 115-125 ℃, and the sterilization time is 30-50 min.
8. The method for preparing the cigarette carton material according to claim 1, wherein in step S4, the second sterilization treatment is: adding 4-5.5% of sodium hydroxide solution, wherein the addition amount of the sodium hydroxide solution is 0.3-0.5% of the third slurry.
9. The method for preparing the cigarette carton material according to claim 1, wherein in the step S1, the tobacco stem raw material is tobacco stem segments of 1-2 cm.
10. The method for preparing the cigarette carton material according to claim 1, further comprising the step S5: and (3) taking the papermaking pulp as a raw material, and manufacturing the paper box material for the cigarettes by using paper.
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| GB266168A (en) * | 1926-04-24 | 1927-02-24 | Robert Athelstan Marr | Manufacture of pulp or fibrous material |
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