CN107142119A - A kind of reuse method of the waste and old branch of wicker plaiting article - Google Patents
A kind of reuse method of the waste and old branch of wicker plaiting article Download PDFInfo
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- CN107142119A CN107142119A CN201710254270.9A CN201710254270A CN107142119A CN 107142119 A CN107142119 A CN 107142119A CN 201710254270 A CN201710254270 A CN 201710254270A CN 107142119 A CN107142119 A CN 107142119A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
- C10B57/06—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of reuse method of the waste and old branch of wicker plaiting article, comprise the following steps：（1）Branch pretreatment,（2）Face coat removal processing,（3）High temperature high pressure process,（4）Acid-base solution processing,（5）Modification,（6）Carbonization treatment.The present invention is targetedly handled for the waste and old branch material of wicker plaiting article, pass through the adjustment to branch surface, the change of internal organizational structure, inner material content and ratio, control of carbonization treatment technique parameter etc., effectively enhance to the overall carbonation rate of branch, improve the quality of carbonization, the final carbonation rate that may be such that branch is up to more than 99.5%, and the specific surface area of obtained biological carbon is not less than 3500m2/ gram, improve micropore ratio in more than 20%, and its obtained biological carbon than prior art and more than 96.5%, show extremely strong characterization of adsorption, use value is very high.
Description
Technical field
The invention belongs to stalk material processing technique field technical field, and in particular to a kind of profit again of waste and old branch of wicker plaiting article
Use method.
Background technology
Funan County, is under the jurisdiction of Anhui Province's Fuyang City, area earlier is developed in category inland, on the Anhui Province northwestward, Huaihe River
Middle reaches joint portion north bank.Funan County have " famous-brand and high-quality special product county ", the title of " Natural resources reservoir ", be national grain-production great Xian, in
The unique agricultural in township, the whole nation of state's wicker plaiting article（Forestry）Recycling economy demonstration pilot project county, Funan is the township of national wicker plaiting article, wicker products
It is sold abroad.
Wicker products is container, handicraft common during current people live etc., but it is respectively provided with as most commodity
Certain service life, it uses functional lesion or forfeiture after destructurized, is finally abandoned by people.Most wicker productses
Formed by the braiding such as purple willow branch, agricultural crop straw, although in can be degraded under natural conditions, but required time is longer, people
Burning destruction is generally carried out, and this measure can bring larger destruction to environment, while will also result in the waste of raw material.
Biological carbon can not only greatly improve soil fertility, and fertile high carbon storehouse soil is cultivated on dead soil,
Most direct effect is exactly to significantly improve crop yield and quality, and the chemicals such as chemical fertilizer, agricultural chemicals can also be reduced indirectly
Amount of application.Most critical is that effectively absorption solidification in the middle of biological carbon, reduces the discharge of greenhouse gases carbon, and to oil
The dependence of product.It there is now and carry out the method that carbonization processing prepares biological carbon, but most carbonizations using raw materials such as branch, stalks
Rate is not high, and typically not greater than 80%, and obtained biological carbon poor, the streaking that there are the performance parameters such as specific surface area, voidage
The problems such as, limit the recycling of branch, stalk etc..
The content of the invention
The purpose of the present invention be for it is existing the problem of there is provided a kind of reuse method of the waste and old branch of wicker plaiting article, effectively
The reuse ratio of wicker plaiting article material is improved, there is promotion meaning very well to the improvement of environment.
The present invention is achieved by the following technical solutions：
A kind of reuse method of the waste and old branch of wicker plaiting article, comprises the following steps：
（1）Branch is pre-processed：
A. wicker plaiting article is reclaimed or woven the waste and old branch collected to pile up by specification classification, then rinsed, removed repeatedly with clear water
It is standby after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a processing will be operated to be put into forcing press, the moisture removed inside waste and old branch is extruded with external force, and
It is carried out after profile correction process, then waste and old branch is taken out standby；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and heating keeps the temperature of coating removal liquid to be 33 ~ 37
DEG C, then heat-insulation soaking is handled and taken out after 15 ~ 20min, then with the surface of the waste and old branch of deionized water high pressure washing, is finally drained
Standby after surface moisture, each material composition and correspondence content are in described coating removal liquid：200 ~ 260g/ of butyl
L, 80 ~ 150g/L of ethyl acetate, 10 ~ 30g/L of dimethylbenzene, 10 ~ 20g/L of neopelex, three 10 ~ 25g/ of monochloroacetic acid
L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, and phosphate aqueous solution steam is passed through into hermetically sealed can, simultaneously will
Pressure in hermetically sealed can increases to 2.5 ~ 3.0MPa, and carrying out heat-insulation pressure keeping to waste and old branch is handled after 45 ~ 60min, then by hermetically sealed can
Normal temperature and pressure is down to, waste and old branch is then taken out standby；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing be first put in mass fraction be 3 ~ 5% citric acid solution in immersion treatment 15 ~
30min, after the completion of be drawn off being put into 25 ~ 35min of immersion treatment in the sodium hydroxide solution that mass fraction is 4 ~ 6% again, finally
It is drawn off being rinsed well with clear water again standby；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, by waste and old branch after 30 ~ 40min of immersion treatment
Bar takes out standby, and each material and correspondence percetage by weight are in described mixing sugar aqueous solution：Glucose 4 ~ 6%, xylose 1 ~ 3%,
Soyabean oligosaccharides 0.5 ~ 2%, surplus is water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel isolation air-treatment, is then delivered carbide furnace
In, heating keeps the temperature in carbide furnace to be 400 ~ 600 DEG C, is drawn off after 1 ~ 1.5h of pyrolysis carbonization treatment, obtains finished product carbonization
Branch.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 5 ~ 7%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 8 ~ 15min.
Further, step（5）Described in immersion treatment when, during which also to waste and old branch apply frequency be 22 ~ 25kHz
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.4 ~ 0.6MPa.
Purple willow branch can coat coast of paint material generally after braiding on its surface, to strengthen its antibacterial corrosion resistant performance, lifting
Its service life.The present invention is carried out again primarily directed to the branch that wicker products produced in wicker plaiting article processing procedure or discarded is reclaimed
Utilize, although the technique now for woody cotton branch carbonization treatment is more various, to there is carbonation rate low more, to raw material profit
Not high with rate, the problem of biological carbon processed is of poor quality, the present invention passes through substantial amounts of practice summary, hair to improve this problem
Improvement, the ratio of inner material content, the control of carbonization technique parameter of the raw material institutional frameworks such as existing carbonation rate etc. and branch
Etc. closely bound up, rational adjustment and improvement are carried out to existing processing technology based on this, wherein the present invention first enters to branch
Go pretreatment, removed surface impurity etc. and be beneficial to subsequent operation, and supercharging Shape correction has been carried out to branch, be easy to finished product to be carbonized
The transport and utilization of branch, have carried out face coat removal processing afterwards, and the paint on branch surface is effectively eliminated by this operation
The chemical coating coatings such as material, guarantee is provided for effective progress of follow-up carbonization treatment, has carried out high temperature to branch again afterwards
High steam processs, wherein using the steam blasting effect of HTHP, the effective loose overall fibre structure of branch changes
Be apt to its be used for a long time drying shrinkage after comparatively dense, the problem of being unfavorable for later stage carbonization treatment, while promote cellulose again, it is wooden
The separation activation of element etc., adds the space between string, later stage carbonation rate and carbonization quality is enhanced well, wherein making
Steam is phosphate aqueous solution steam, and phosphoric acid solution can promote the carbonation rate and effect of later stage branch, while by high temperature
High steam processs operates scattered and branch absorption to phosphoric acid of the phosphoric acid in branch that can be more convenient for, and then enhances phosphoric acid
Action effect and utilization rate, improve the quality of later stage carbonization, and have carried out modification to branch, branch are put into mixed
Close and soaked in sugar aqueous solution, wherein mixing sugar aqueous solution contains glucose, xylose, soyabean oligosaccharides composition, this several sugar
The addition of constituents effectively can be combined life during the carbonization treatment in later stage with the aromatic hydrocarbons structure lignocellulosic in branch
Into biomass carbon material, and then the utilization rate and carbonation rate of branch material are improved, the ultrasonication during which applied can be lifted
Branch absorbs for the absorption of active ingredient, and pressure during last carbonization treatment inside lifting is more conducive to the complete of carbonization process.
The present invention has advantages below compared with prior art：
The present invention is targetedly handled for the waste and old branch material of wicker plaiting article, by branch surface, internal organizational structure
Change, the adjustment of inner material content and ratio, the control of carbonization treatment technique parameter etc., effectively enhance overall to branch
Carbonation rate, improve the quality of carbonization, finally may be such that the carbonation rate of branch up to more than 99.5%, the ratio of obtained biological carbon
Surface area is not less than 3500m2/ gram, improve micropore ratio in more than 20%, and its obtained biological carbon than prior art and exist
More than 96.5%, extremely strong characterization of adsorption is shown, use value is very high.
Embodiment
Embodiment 1
A kind of reuse method of the waste and old branch of wicker plaiting article, comprises the following steps：
（1）Branch is pre-processed：
A. wicker plaiting article is reclaimed or woven the waste and old branch collected to pile up by specification classification, then rinsed, removed repeatedly with clear water
It is standby after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a processing will be operated to be put into forcing press, the moisture removed inside waste and old branch is extruded with external force, and
It is carried out after profile correction process, then waste and old branch is taken out standby；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and heating keeps the temperature of coating removal liquid to be 33 ~ 34
DEG C, then taken out after heat-insulation soaking processing 15min, then with the surface of the waste and old branch of deionized water high pressure washing, finally drain table
Standby after the moisture of face, each material composition and correspondence content are in described coating removal liquid：Butyl 200g/L, acetic acid
Ethyl ester 80g/L, dimethylbenzene 10g/L, neopelex 10g/L, three monochloroacetic acid 10g/L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, and phosphate aqueous solution steam is passed through into hermetically sealed can, simultaneously will
Pressure in hermetically sealed can increases to 2.5MPa, waste and old branch is carried out after heat-insulation pressure keeping processing 45min, then hermetically sealed can is down into normal temperature
Normal pressure, then takes out standby by waste and old branch；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing is first put in immersion treatment 15min in the citric acid solution that mass fraction is 3%, complete
Cheng Houzai is drawn off being put into immersion treatment 25min in the sodium hydroxide solution that mass fraction is 4%, is finally drawn off using again
Clear water is rinsed well standby；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, is taken waste and old branch after immersion treatment 30min
Going out each material and correspondence percetage by weight in standby, described mixing sugar aqueous solution is：Glucose 4%, xylose 1%, soy oligosaccharides
Sugar 0.5%, surplus is water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel isolation air-treatment, is then delivered carbide furnace
In, heating keeps the temperature in carbide furnace to be 400 ~ 600 DEG C, is drawn off after pyrolysis carbonization treatment 1h, obtains finished product carbonization branch.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 5%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 8 ~ 10min.
Further, step（5）Described in immersion treatment when, during which also apply frequency to waste and old branch for 22kHz
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.4MPa.
Embodiment 2
A kind of reuse method of the waste and old branch of wicker plaiting article, comprises the following steps：
（1）Branch is pre-processed：
A. wicker plaiting article is reclaimed or woven the waste and old branch collected to pile up by specification classification, then rinsed, removed repeatedly with clear water
It is standby after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a processing will be operated to be put into forcing press, the moisture removed inside waste and old branch is extruded with external force, and
It is carried out after profile correction process, then waste and old branch is taken out standby；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and heating keeps the temperature of coating removal liquid to be 34 ~ 35
DEG C, then taken out after heat-insulation soaking processing 18min, then with the surface of the waste and old branch of deionized water high pressure washing, finally drain table
Standby after the moisture of face, each material composition and correspondence content are in described coating removal liquid：Butyl 230g/L, acetic acid
Ethyl ester 100g/L, dimethylbenzene 20g/L, neopelex 15g/L, three monochloroacetic acid 20g/L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, and phosphate aqueous solution steam is passed through into hermetically sealed can, simultaneously will
Pressure in hermetically sealed can increases to 2.8MPa, waste and old branch is carried out after heat-insulation pressure keeping processing 50min, then hermetically sealed can is down into normal temperature
Normal pressure, then takes out standby by waste and old branch；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing is first put in immersion treatment 25min in the citric acid solution that mass fraction is 4%, complete
Cheng Houzai is drawn off being put into immersion treatment 30min in the sodium hydroxide solution that mass fraction is 5%, is finally drawn off using again
Clear water is rinsed well standby；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, is taken waste and old branch after immersion treatment 35min
Going out each material and correspondence percetage by weight in standby, described mixing sugar aqueous solution is：Glucose 5%, xylose 2%, soy oligosaccharides
Sugar 1.5%, surplus is water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel isolation air-treatment, is then delivered carbide furnace
In, heating keeps the temperature in carbide furnace to be 400 ~ 600 DEG C, is drawn off after pyrolysis carbonization treatment 1.2h, obtains finished product carbonization branch
Bar.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 6%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 10min.
Further, step（5）Described in immersion treatment when, during which also apply frequency to waste and old branch for 24kHz
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.5MPa.
Embodiment 3
A kind of reuse method of the waste and old branch of wicker plaiting article, comprises the following steps：
（1）Branch is pre-processed：
A. wicker plaiting article is reclaimed or woven the waste and old branch collected to pile up by specification classification, then rinsed, removed repeatedly with clear water
It is standby after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a processing will be operated to be put into forcing press, the moisture removed inside waste and old branch is extruded with external force, and
It is carried out after profile correction process, then waste and old branch is taken out standby；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and heating keeps the temperature of coating removal liquid to be 36 ~ 37
DEG C, then taken out after heat-insulation soaking processing 20min, then with the surface of the waste and old branch of deionized water high pressure washing, finally drain table
Standby after the moisture of face, each material composition and correspondence content are in described coating removal liquid：Butyl 260g/L, acetic acid
Ethyl ester 150g/L, dimethylbenzene 30g/L, neopelex 20g/L, three monochloroacetic acid 25g/L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, and phosphate aqueous solution steam is passed through into hermetically sealed can, simultaneously will
Pressure in hermetically sealed can increases to 3.0MPa, waste and old branch is carried out after heat-insulation pressure keeping processing 60min, then hermetically sealed can is down into normal temperature
Normal pressure, then takes out standby by waste and old branch；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing is first put in immersion treatment 30min in the citric acid solution that mass fraction is 5%, complete
Cheng Houzai is drawn off being put into immersion treatment 35min in the sodium hydroxide solution that mass fraction is 6%, is finally drawn off using again
Clear water is rinsed well standby；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, is taken waste and old branch after immersion treatment 40min
Going out each material and correspondence percetage by weight in standby, described mixing sugar aqueous solution is：Glucose 6%, xylose 3%, soy oligosaccharides
Sugar 2%, surplus is water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel isolation air-treatment, is then delivered carbide furnace
In, heating keeps the temperature in carbide furnace to be 400 ~ 600 DEG C, is drawn off after pyrolysis carbonization treatment 1.5h, obtains finished product carbonization branch
Bar.
Further, step（2）Described in when waste and old branch is put into immersion treatment in coating removal liquid, constantly to useless
Old branch carries out stirring processing.
Further, step（3）Described in phosphate aqueous solution in phosphoric acid mass fraction be 7%.
Further, step（3）Described in when being down to normal temperature and pressure processing to hermetically sealed can, needed for control process when
A length of 15min.
Further, step（5）Described in immersion treatment when, during which also apply frequency to waste and old branch for 25kHz
Ultrasonication.
Further, step（6）Described in carbonization treatment when keep carbide furnace in pressure be 0.6MPa.
Comparative example 1
This comparative example 1 compared with Example 2, changes original step（3）The method of high temperature high pressure process, is specifically not to it
High temperature and high pressure steam processing is carried out, but branch is immersed in the phosphate aqueous solution that mass fraction is 6% under normal temperature condition,
Method and step all same in addition.
Comparative example 2
This comparative example 2 compared with Example 2, saves step（5）Modification, method and step all same in addition.
Comparative example 3
This comparative example 3 compared with Example 2, changes original step（5）The method of modification, is specifically in carbonization treatment
When without pressurized treatment, method and step all same in addition.
Control group
Existing conventional branch carbonization treatment method.
In order to contrast effect of the present invention, the purple willow branch of the wicker products reclaimed from same batch（Do aqueous in surface
Paint coating processing）As experimental subjects, five groups are randomly divided into, it is real with above-described embodiment 2, comparative example 1, contrast respectively
Apply example 2, comparative example 3, the method described in control group to be processed, and quality survey is carried out to the biological carbon being processed into
Examination, specific correction data is as shown in table 1 below：
Table 1
| Purple willow branch carbonation rate（%） | Biological carbon average specific surface area（m2/ gram） | Micropore ratio in biological carbon（%） | |
| Embodiment 2 | 99.7 | 3650 | 97.1 |
| Comparative example 1 | 86.1 | 2500 | 85.7 |
| Comparative example 2 | 94.5 | 3400 | 93.6 |
| Comparative example 3 | 92.6 | 3260 | 91.8 |
| Control group | 80.2 | 2200 | 81.3 |
The carbonation rate of the more existing carbonization treatment method of the present invention, carbonization quality have good lifting it can be seen from upper table 1,
Obtained biological carbon adsorptivity, performance more preferably, effectively improve the economic benefit of processing, with good progressive meaning.
Claims (6)
1. a kind of reuse method of the waste and old branch of wicker plaiting article, it is characterised in that comprise the following steps：
（1）Branch is pre-processed：
A. wicker plaiting article is reclaimed or woven the waste and old branch collected to pile up by specification classification, then rinsed, removed repeatedly with clear water
It is standby after the impurity such as sand, the dirt on its surface；
B. the waste and old branch after a processing will be operated to be put into forcing press, the moisture removed inside waste and old branch is extruded with external force, and
It is carried out after profile correction process, then waste and old branch is taken out standby；
（2）Face coat removal is handled：
By step（1）Waste and old branch after processing is put into coating removal liquid, and heating keeps the temperature of coating removal liquid to be 33 ~ 37
DEG C, then heat-insulation soaking is handled and taken out after 15 ~ 20min, then with the surface of the waste and old branch of deionized water high pressure washing, is finally drained
Standby after surface moisture, each material composition and correspondence content are in described coating removal liquid：200 ~ 260g/ of butyl
L, 80 ~ 150g/L of ethyl acetate, 10 ~ 30g/L of dimethylbenzene, 10 ~ 20g/L of neopelex, three 10 ~ 25g/ of monochloroacetic acid
L, surplus is water；
（3）High temperature high pressure process：
By step（2）Waste and old branch after processing is put into hermetically sealed can, and phosphate aqueous solution steam is passed through into hermetically sealed can, simultaneously will
Pressure in hermetically sealed can increases to 2.5 ~ 3.0MPa, and carrying out heat-insulation pressure keeping to waste and old branch is handled after 45 ~ 60min, then by hermetically sealed can
Normal temperature and pressure is down to, waste and old branch is then taken out standby；
（4）Acid-base solution processing：
By step（3）Waste and old branch after processing be first put in mass fraction be 3 ~ 5% citric acid solution in immersion treatment 15 ~
30min, after the completion of be drawn off being put into 25 ~ 35min of immersion treatment in the sodium hydroxide solution that mass fraction is 4 ~ 6% again, finally
It is drawn off being rinsed well with clear water again standby；
（5）Modification：
By step（4）Waste and old branch after processing is immersed in mixing sugar aqueous solution, by waste and old branch after 30 ~ 40min of immersion treatment
Bar takes out standby, and each material and correspondence percetage by weight are in described mixing sugar aqueous solution：Glucose 4 ~ 6%, xylose 1 ~ 3%,
Soyabean oligosaccharides 0.5 ~ 2%, surplus is water；
（6）Carbonization treatment：
With wet mud by step（5）Waste and old branch after processing carries out parcel isolation air-treatment, is then delivered carbide furnace
In, heating keeps the temperature in carbide furnace to be 400 ~ 600 DEG C, is drawn off after 1 ~ 1.5h of pyrolysis carbonization treatment, obtains finished product carbonization
Branch.
2. a kind of reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（2）Middle institute
State when waste and old branch is put into immersion treatment in coating removal liquid, constantly waste and old branch is carried out to stir processing.
3. a kind of reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（3）Middle institute
The mass fraction of phosphoric acid is 5 ~ 7% in the phosphate aqueous solution stated.
4. a kind of reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（3）Middle institute
State hermetically sealed can is down to normal temperature and pressure processing when, when a length of 8 ~ 15min needed for control process.
5. a kind of reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（5）Middle institute
During the immersion treatment stated, during which also apply the ultrasonication that frequency is 22 ~ 25kHz to waste and old branch.
6. a kind of reuse method of the waste and old branch of wicker plaiting article according to claim 1, it is characterised in that step（6）Middle institute
It is 0.4 ~ 0.6MPa that the pressure in carbide furnace is kept during the carbonization treatment stated.
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| CN108424018A (en) * | 2018-04-21 | 2018-08-21 | 阜南县大自然工艺品有限公司 | A kind of preparation method of the waste and old knitting filler of enhancing bituminous concrete quality |
| CN108611097A (en) * | 2018-06-11 | 2018-10-02 | 阜南县中信柳木工艺品有限公司 | A kind of recycling method of waste and old wicker plaiting article raw material |
| CN108673677A (en) * | 2018-04-21 | 2018-10-19 | 阜南县金威工艺品有限公司 | A kind of preparation method of the hand-weaving product stalk of stable structure |
| CN108705637A (en) * | 2018-04-21 | 2018-10-26 | 阜南县大自然工艺品有限公司 | A kind of recoverying and utilizing method of the waste and old branch of wicker plaiting article |
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| CN111570493A (en) * | 2020-05-15 | 2020-08-25 | 江苏省环境科学研究院 | Soil remediation method for landscape ecological environment protection |
| CN112248174A (en) * | 2020-10-27 | 2021-01-22 | 阜南县明强柳编工艺品有限公司 | Wood powder prepared from waste wickerwork |
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Denomination of invention: Waste willow artwork branch recycling method Effective date of registration: 20190203 Granted publication date: 20180417 Pledgee: Funan SME financing Company limited by guarantee Pledgor: FUNAN COUNTY YONGSHENG ARTS & CRAFTS CO., LTD. Registration number: 2019340000084 |
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