CN105197915A - Method for rapidly preparing carbon material from waste polyester-cotton fabric - Google Patents
Method for rapidly preparing carbon material from waste polyester-cotton fabric Download PDFInfo
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- CN105197915A CN105197915A CN201510747350.9A CN201510747350A CN105197915A CN 105197915 A CN105197915 A CN 105197915A CN 201510747350 A CN201510747350 A CN 201510747350A CN 105197915 A CN105197915 A CN 105197915A
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Abstract
The invention relates to a method for rapidly preparing a carbon material from waste polyester-cotton fabric. Aiming at the condition that the waste polyester-cotton fabric is high in stock, serious in pollution and difficult to recover, the waste polyester-cotton fabric is washed, sterilized, degraded, separated and stripped at high pressure, and is frozen, dried and ground to prepare the carbon material. Meanwhile, byproducts such as terephthalic acid and ethylene glycol are also separated out. The preparation method is advanced in technology, and accurate and detailed in data; the prepared and separated carbon material is powder; the diameters of powder particles are less than or equal to 130nm; the product purity reaches 99.8%; the byproduct terephthalic acid is powder; the diameters of the powder particles are less than or equal to 2 microns; the product purity reaches 99.6%; the byproduct ethylene glycol is a colorless transparent liquid; the product purity reaches 99.3%; the products can be reutilized as chemical raw materials; and the method is a very advanced method for preparing the carbon material and the byproducts employing the waste polyester-cotton fabric.
Description
Technical field
The present invention relates to a kind of method preparing carbon material with waste and old polyester-cotton fabric fast, belong to the technical field of the recycling of waste and old polyester-cotton fabric, preparative chemistry material.
Background technology
Polyester cotton is the fabric that terylene short fiber peacekeeping cotton fibre mix spinning is made into, and wherein major part is terylene, and conventional blending ratio is terylene 70%, cotton fibre 30%; Terylene is with terephthalic acid and ethylene glycol for raw material, the superpolymer-polyethylene terephthalate made through esterification and polycondensation, and make polyster fibre through synthesis spinning, cotton fibre is obtained through machining by cotton, and main component is Mierocrystalline cellulose; Polyester cotton blended yarns made by polyster fibre and cotton fibre proportionally blending, then obtains polyester cotton through weaving.
In textile industry, polyester cotton occupies very large ratio, be usually used in clothes, family spun, technical cloth, travelling belt, rope etc., because polyester cotton intensity is high, the advantage such as good toughness, not easy to wear, long service life, the application of polyester cotton in industry and daily life is more and more extensive.
Because the application of polyester cotton is more and more extensive, the waste and old polyester cotton produced also increases thereupon, the waste textile that China produces every year is approximately 3,000 ten thousand tons, comprehensive utilization ratio is less than 10%, due to the backwardness of recovery technology, waste textile is often burned or is buried, and causes the serious wasting of resources and environmental pollution, how to recycle the research topic that waste and old polyester-cotton fabric has become important.
Summary of the invention
Goal of the invention
The object of the invention is the situation for background technology, with waste and old polyester-cotton fabric for raw material, be separated through washing, rinsing, sterilization, High Temperature High Pressure strip, dry, grinding, make carbon material, to reach the object with waste and old polyester-cotton fabric recycling.
Technical scheme
The chemical substance material that the present invention uses is: waste and old polyester-cotton fabric, high-carbon fatty alcohol polyoxyethylene ether, activated carbon, sodium hydroxide, hydrochloric acid, dehydrated alcohol, distilled water, and it is as follows that it prepares consumption: with gram, milliliter for measure unit
Waste and old polyester-cotton fabric: (C
39h
44o
22)
nn=6000-15000,25g ± 0.001g
Activated carbon: C, 20g ± 0.001g
Sodium hydroxide: NaOH, 10g ± 0.001g
Hydrochloric acid: HCl, 50mL ± 0.001mL, concentration 38%
Dehydrated alcohol: C
2h
5o, 200mL ± 5mL
High-carbon fatty alcohol polyoxyethylene ether: C
14o (CH
2cH
2o)
9h, 5mL ± 0.001mL
Distilled water: H
2o, 10000mL ± 50mL
Preparation method is as follows:
(1) the waste and old polyester-cotton fabric of pre-treatment
1. wash, waste and old polyester-cotton fabric 25g ± 0.001g is placed in washer, add distilled water 500mL, high-carbon fatty alcohol polyoxyethylene ether 5mL ± 0.001mL;
Turn on agitator, agitator treating 20min;
2. rinsing, is placed in beaker by the waste and old polyester-cotton fabric after washing, adds distilled water 500mL, stirs rinsing 10min;
Stir rinsing and repeat 4 times;
3. dry, the waste and old polyester-cotton fabric after rinsing is placed in freeze drying box dry, drying temperature-80 DEG C, time of drying 4h;
4. sterilize, dried waste and old polyester-cotton fabric is placed in ultraviolet disinfection case, carries out airtight sterilization, voltage 220V, power 80W, disinfecting time 30min;
5. shear, the waste and old polyester-cotton fabric after sterilization is cut into bulk, lumpy sizes≤10mm × 10mm;
(2) degrading waste polyester-cotton fabric
The degraded of waste and old polyester-cotton fabric is carried out in autoclave, completes in heating, whipping process;
1. clean autoclave, open autoclave, in reactor container, add distilled water 200mL, cleaning reaction still container inner wall, make it clean;
Cleaning repeats 3 times, dries after cleaning;
2. prepare reaction solution, take pretreated waste and old polyester-cotton fabric 25g ± 0.001g, measure distilled water 600mL ± 1mL, add in beaker, stir 5min, become waste and old polyester-cotton fabric mixed solution;
3. waste and old polyester-cotton fabric mixed solution is added in autoclave container, and airtight;
4. open autoclave, and heat, Heating temperature 280 DEG C ± 1 DEG C, autoclave internal pressure is 3.5MPa, autoclave agitation revolution 150r/min, reaction times 8h;
To there is physical-chemical reaction in mixed solution, cotton fibre carbonization, terylene hydrolysis, color divest in heating, reaction process;
Stop heating after reaction, mixed solution is cooled to 25 DEG C with still, obtains suspension liquid;
(3) product separation
1. solid-liquid separation, is placed in the glass funnel of core filtration unit by suspension liquid, carry out suction filtration with millipore filtration, filter cake retained by filter membrane, filtrate is evacuated in filter flask, and collects respectively;
2. extract ethylene glycol, filtrate is placed in distilling flask, be placed in by distilling flask on electric heating agitator, Heating temperature 197 DEG C ± 1 DEG C, heated and stirred, obtains liquid fraction, i.e. by product ethylene glycol, and collects;
3. prepare parting liquid, filter cake is placed in beaker, then add sodium hydroxide 10g ± 0.001g, stir 1min, terephthalic acid is fully dissolved, become parting liquid;
4. suction filtration, is placed in the glass funnel of core filtration unit by parting liquid, carry out suction filtration with millipore filtration, filter membrane is retained filter cake, filtrate suction filtration in filter flask, and is collected respectively;
5. wash and reclaim carbon material, filter cake is placed in beaker, adding dehydrated alcohol 200mL ± 5mL, the beaker filling filter cake is placed in ultrasonic wave separating apparatus, carrying out ultrasonic disperse, ultrasonic frequency 60KHz, ultrasonic disperse time 60min;
Then carry out suction filtration with millipore filtration, obtain filter cake;
Washing, is placed in beaker by filter cake, adds distilled water 200mL ± 5mL, agitator treating 10min, then carry out suction filtration with three layers of middling speed qualitative filter paper, retains filter cake, discards washings;
Washing, suction filtration repeat three times;
Lyophilize, is placed in freeze drying box dry, drying temperature-80 DEG C by filter cake, time of drying, 4h, was carbon material after dry;
6. separation and Extraction terephthalic acid, adds filtrate in beaker, then adds distilled water 500mL, activated carbon 20g ± 0.001g, stirs 120min, becomes suspension liquid;
Suspension liquid three layers of middling speed qualitative filter paper are carried out suction filtration, obtains filter cake, filtrate, collect respectively;
Filter cake distilled water is carried out wash, suction filtration, obtain filter cake;
Filter cake is placed in freeze drying box dry, drying temperature-80 DEG C, time of drying, 4h, reclaimed activated carbon after drying;
In filtrate, add hydrochloric acid 35mL ± 0.001mL, stir 1min, become suspension liquid;
Added by suspension liquid in centrifuge tube, whizzer carries out centrifugation, be separated revolution 8000r/min, disengaging time 8min, retains throw out after separation, abandoning supernatant;
Throw out is placed in beaker, adds distilled water 300mL, agitator treating 5min, then carry out suction filtration with three layers of middling speed qualitative filter paper, retain filter cake, discard washings, washing, suction filtration repeat 3 times;
Filter cake is placed in freeze drying box dry, drying temperature-80 DEG C, time of drying, 8h, obtained solid matter, i.e. by product terephthalic acid after drying;
(4) grind, sieve
Dried solid matter carbon material agate mortar, pestle are ground, then sieves with 650 eye mesh screens;
Grind, sieve and repeatedly carry out, obtain end product carbon material black powder;
(5) detect, analyze, characterize
The color and luster of carbon material of preparation, pattern, chemical physics performance are detected, analyze, characterized;
The micromorphology analysis of carbon material is carried out by scanning electronic microscope;
The image structural analysis of carbon material is carried out with X-ray diffractometer;
Conclusion: carbon material is black powder, powder granule diameter≤130nm, product purity is 99.8%;
By product terephthalic acid is white powder, powder granule diameter≤2 μm, and product purity reaches 99.6%;
By product ethylene glycol is colourless transparent liquid, and product purity reaches 99.3%;
(6) product storage
Be stored in respectively in the Glass Containers of amber transparent the carbon material prepared, terephthalic acid, ethylene glycol, airtight shading is preserved, and moistureproof, sun-proof, anti-acid-alkali salt to corrode, storing temp 20 DEG C, relative humidity≤10%.
Beneficial effect
The present invention has obvious advance compared with background technology, many for waste and old polyester-cotton fabric storage, seriously polluted, reclaim difficult situation, waste and old polyester-cotton fabric is washed, sterilization, high pressure degraded separation is stripped, lyophilize, grinding, make carbon material, also isolated by product terephthalic acid simultaneously, ethylene glycol, this preparation method's technique is advanced, data are accurately full and accurate, the carbon material that preparative separation goes out is powder, powder granule diameter≤130nm, product purity reaches 99.8%, by product terephthalic acid is powder, powder granule diameter≤2 μm, product purity reaches 99.6%, by product ethylene glycol, for colourless transparent liquid, product purity reaches 99.3%, product all can be made chemical feedstocks and re-use, it is the very advanced method preparing carbon material and by product with waste and old polyester-cotton fabric.
Accompanying drawing explanation
Fig. 1, waste and old polyester-cotton fabric degraded state graph
The carbon material shape appearance figure of Fig. 2, preparation
The carbon material diffracted intensity collection of illustrative plates of Fig. 3, preparation
Shown in figure, list of numerals is as follows:
1, autoclave support, 2, lifting device, 3, titanium lining, 4, kettle, 5, resistance heater, 6, temperature tube, 7, bolt is female, 8, thermopair, 9, cooling water outlet, 10, outer steel seat, 11, agitator motor, 12, motor cabinet, 13, inner magnetic steel body, 14, cooling water inlet, 15, pressure unit, 16, kettle cover, 17, explosive valve, 18, agitator, 19, waste and old polyester-cotton fabric mixed solution, 20, thermal insulation layer, 21, wire, 22, electric control box, 23, Heating temperature setter, 24, pressure-regulator, 25, mixing speed modulator, 26, manual regulation heating knob, 27, button is driven in heating, 28, button is closed in heating, 29, reactor controller, 30, warning indicator light, 31, heating indicating gauge.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
Shown in Fig. 1, be waste and old polyester-cotton fabric degraded state graph, each position wants correct, and proportioning according to quantity, operates according to the order of sequence.
The value preparing the chemical substance used first is determined by the scope pre-set, with gram, milliliter, millimeter for measure unit.
The degraded of waste and old polyester-cotton fabric is carried out in autoclave, completes in heating, whipping process;
Autoclave is vertical, and kettle 4 is right cylinder, and frame is on autoclave support 1, and top is kettle cover 16, and kettle 4 and kettle cover 16 are fixed by bolt mother 7; Be provided with lifting device 2 at autoclave support 1 right part, lifting device 2 top is connected with kettle cover 16; Be provided with inner magnetic steel body 13 on kettle cover 16 top, inner magnetic steel body 13 connects agitator 18, and inner magnetic steel body 13 outer cover outer steel seat 10, and outer steel seat 10 outside is provided with cooling water inlet 14 and cooling water outlet 9; Outer steel seat 10 top connects motor cabinet 12, and agitator motor 11 is installed on motor cabinet 12 top; Kettle 4 inside is provided with titanium lining 3, and kettle 4 outside is resistance heater 5, and resistance heater 5 outside is thermal insulation layer 20; Be waste and old polyester-cotton fabric mixed solution 19 in titanium lining 3; Agitator 18 gos deep in titanium lining 3, stirs waste and old polyester-cotton fabric mixed solution 19; Be provided with temperature tube 6 at the left part of kettle cover 16, temperature tube 6 gos deep in kettle 4, and thermopair 8 inserts in temperature tube 6, measures temperature in kettle 4; Pressure unit 15 is provided with at the right part of kettle cover 16, pressure unit 15 lower end connects explosive valve 17, autoclave connects electric control box 22 by wire 21, electric control box 22 is provided with Heating temperature setter 23, pressure-regulator 24, mixing speed modulator 25, manual regulation heating knob 26, heats and open button 27, heating pass button 28, reactor controller 29, warning indicator light 30, heating indicating gauge 31.
Shown in Fig. 2, be the carbon material shape appearance figure of preparation, shown in figure, product carbon material is black powder, in irregular stacking, and powder granule diameter≤2 μm.
Shown in Fig. 3, be the carbon material diffracted intensity collection of illustrative plates of preparation, shown in figure, product diffraction peak position and intensity are carbon material, are climax when diffraction angle 25 °.
Claims (2)
1. prepare a method for carbon material with waste and old polyester-cotton fabric fast, it is characterized in that:
The chemical substance material used is: waste and old polyester-cotton fabric, high-carbon fatty alcohol polyoxyethylene ether, activated carbon, sodium hydroxide, hydrochloric acid, dehydrated alcohol, distilled water, and it is as follows that it prepares consumption: with gram, milliliter for measure unit
Waste and old polyester-cotton fabric: (C
39h
44o
22)
nn=6000-15000,25g ± 0.001g
Activated carbon: C, 20g ± 0.001g
Sodium hydroxide: NaOH, 10g ± 0.001g
Hydrochloric acid: HCl, 50mL ± 0.001mL, concentration 38%
Dehydrated alcohol: C
2h
5o, 200mL ± 5mL
High-carbon fatty alcohol polyoxyethylene ether: C
14o (CH
2cH
2o)
9h, 5mL ± 0.001mL
Distilled water: H
2o, 10000mL ± 50mL
Preparation method is as follows:
(1) the waste and old polyester-cotton fabric of pre-treatment
1. wash, waste and old polyester-cotton fabric 25g ± 0.001g is placed in washer, add distilled water 500mL, high-carbon fatty alcohol polyoxyethylene ether 5mL ± 0.001mL;
Turn on agitator, agitator treating 20min;
2. rinsing, is placed in beaker by the waste and old polyester-cotton fabric after washing, adds distilled water 500mL, stirs rinsing 10min;
Stir rinsing and repeat 4 times;
3. dry, the waste and old polyester-cotton fabric after rinsing is placed in freeze drying box dry, drying temperature-80 DEG C, time of drying 4h;
4. sterilize, dried waste and old polyester-cotton fabric is placed in ultraviolet disinfection case, carries out airtight sterilization, voltage 220V, power 80W, disinfecting time 30min;
5. shear, the waste and old polyester-cotton fabric after sterilization is cut into bulk, lumpy sizes≤10mm × 10mm;
(2) degrading waste polyester-cotton fabric
The degraded of waste and old polyester-cotton fabric is carried out in autoclave, completes in heating, whipping process;
1. clean autoclave, open autoclave, in reactor container, add distilled water 200mL, cleaning reaction still container inner wall, make it clean;
Cleaning repeats 3 times, dries after cleaning;
2. prepare reaction solution, take pretreated waste and old polyester-cotton fabric 25g ± 0.001g, measure distilled water 600mL ± 1mL, add in beaker, stir 5min, become waste and old polyester-cotton fabric mixed solution;
3. waste and old polyester-cotton fabric mixed solution is added in autoclave container, and airtight;
4. open autoclave, and heat, Heating temperature 280 DEG C ± 1 DEG C, autoclave internal pressure is 3.5MPa, autoclave agitation revolution 150r/min, reaction times 8h;
To there is physical-chemical reaction in mixed solution, cotton fibre carbonization, terylene hydrolysis, color divest in heating, reaction process;
Stop heating after reaction, mixed solution is cooled to 25 DEG C with still, obtains suspension liquid;
(3) product separation
1. solid-liquid separation, is placed in the glass funnel of core filtration unit by suspension liquid, carry out suction filtration with millipore filtration, filter cake retained by filter membrane, filtrate is evacuated in filter flask, and collects respectively;
2. extract ethylene glycol, filtrate is placed in distilling flask, be placed in by distilling flask on electric heating agitator, Heating temperature 197 DEG C ± 1 DEG C, heated and stirred, obtains liquid fraction, i.e. by product ethylene glycol, and collects;
3. prepare parting liquid, filter cake is placed in beaker, then add sodium hydroxide 10g ± 0.001g, stir 1min, terephthalic acid is fully dissolved, become parting liquid;
4. suction filtration, is placed in the glass funnel of core filtration unit by parting liquid, carry out suction filtration with millipore filtration, filter membrane is retained filter cake, filtrate suction filtration in filter flask, and is collected respectively;
5. wash and reclaim carbon material, filter cake is placed in beaker, adding dehydrated alcohol 200mL ± 5mL, the beaker filling filter cake is placed in ultrasonic wave separating apparatus, carrying out ultrasonic disperse, ultrasonic frequency 60KHz, ultrasonic disperse time 60min;
Then carry out suction filtration with millipore filtration, obtain filter cake;
Washing, is placed in beaker by filter cake, adds distilled water 200mL ± 5mL, agitator treating 10min, then carry out suction filtration with three layers of middling speed qualitative filter paper, retains filter cake, discards washings;
Washing, suction filtration repeat three times;
Lyophilize, is placed in freeze drying box dry, drying temperature-80 DEG C by filter cake, time of drying, 4h, was carbon material after dry;
6. separation and Extraction terephthalic acid, adds filtrate in beaker, then adds distilled water 500mL, activated carbon 20g ± 0.001g, stirs 120min, becomes suspension liquid;
Suspension liquid three layers of middling speed qualitative filter paper are carried out suction filtration, obtains filter cake, filtrate, collect respectively;
Filter cake distilled water is carried out wash, suction filtration, obtain filter cake;
Filter cake is placed in freeze drying box dry, drying temperature-80 DEG C, time of drying, 4h, reclaimed activated carbon after drying;
In filtrate, add hydrochloric acid 35mL ± 0.001mL, stir 1min, become suspension liquid;
Added by suspension liquid in centrifuge tube, whizzer carries out centrifugation, be separated revolution 8000r/min, disengaging time 8min, retains throw out after separation, abandoning supernatant;
Throw out is placed in beaker, adds distilled water 300mL, agitator treating 5min, then carry out suction filtration with three layers of middling speed qualitative filter paper, retain filter cake, discard washings, washing, suction filtration repeat 3 times;
Filter cake is placed in freeze drying box dry, drying temperature-80 DEG C, time of drying, 8h, obtained solid matter, i.e. by product terephthalic acid after drying;
(4) grind, sieve
Dried solid matter carbon material agate mortar, pestle are ground, then sieves with 650 eye mesh screens;
Grind, sieve and repeatedly carry out, obtain end product carbon material black powder;
(5) detect, analyze, characterize
The color and luster of carbon material of preparation, pattern, chemical physics performance are detected, analyze, characterized;
The micromorphology analysis of carbon material is carried out by scanning electronic microscope;
The image structural analysis of carbon material is carried out with X-ray diffractometer;
Conclusion: carbon material is black powder, powder granule diameter≤130nm, product purity is 99.8%;
By product terephthalic acid is white powder, powder granule diameter≤2 μm, and product purity reaches 99.6%;
By product ethylene glycol is colourless transparent liquid, and product purity reaches 99.3%;
(6) product storage
Be stored in respectively in the Glass Containers of amber transparent the carbon material prepared, terephthalic acid, ethylene glycol, airtight shading is preserved, and moistureproof, sun-proof, anti-acid-alkali salt to corrode, storing temp 20 DEG C, relative humidity≤10%.
2. a kind of method preparing carbon material with waste and old polyester-cotton fabric fast according to claim 1, is characterized in that:
The degraded of waste and old polyester-cotton fabric is carried out in autoclave, completes in heating, whipping process;
Autoclave is vertical, and kettle (4) is right cylinder, and frame is on autoclave support (1), and top is kettle cover (16), and kettle (4) is fixed by bolt mother (7) with kettle cover (16), be provided with lifting device (2) at autoclave support (1) right part, lifting device (2) top is connected with kettle cover (16), inner magnetic steel body (13) is provided with on kettle cover (16) top, inner magnetic steel body (13) connects agitator (18), inner magnetic steel body (13) outer cover outer steel seat (10), and outer steel seat (10) outside is provided with cooling water inlet (14) and cooling water outlet (9), outer steel seat (10) top connects motor cabinet (12), and agitator motor (11) is installed on motor cabinet (12) top, kettle (4) inside is provided with titanium lining (3), and kettle (4) outside is resistance heater (5), and resistance heater (5) outside is thermal insulation layer (20), be waste and old polyester-cotton fabric mixed solution (19) in titanium lining (3), agitator (18) gos deep in titanium lining (3), stirs waste and old polyester-cotton fabric mixed solution (19), temperature tube (6) is provided with at the left part of kettle cover (16), temperature tube (6) gos deep in kettle (4), thermopair (8) inserts in temperature tube (6), measures kettle (4) interior temperature, pressure unit (15) is provided with at the right part of kettle cover (16), pressure unit (15) lower end connects explosive valve (17), autoclave connects electric control box (22) by wire (21), electric control box (22) is provided with Heating temperature setter (23), pressure-regulator (24), mixing speed modulator (25), manual regulation heating knob (26), button (27) is driven in heating, button (28) is closed in heating, reactor controller (29), warning indicator light (30), heating indicating gauge (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747350.9A CN105197915A (en) | 2015-11-05 | 2015-11-05 | Method for rapidly preparing carbon material from waste polyester-cotton fabric |
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|---|---|---|---|
| CN201510747350.9A CN105197915A (en) | 2015-11-05 | 2015-11-05 | Method for rapidly preparing carbon material from waste polyester-cotton fabric |
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| CN105197915A true CN105197915A (en) | 2015-12-30 |
Family
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|---|---|---|---|
| CN201510747350.9A Pending CN105197915A (en) | 2015-11-05 | 2015-11-05 | Method for rapidly preparing carbon material from waste polyester-cotton fabric |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629245A (en) * | 2017-09-08 | 2018-01-26 | 太原理工大学 | The circulation utilization method of waste and old polyester cotton under a kind of hydrothermal condition |
| CN108276274A (en) * | 2018-03-07 | 2018-07-13 | 太原理工大学 | A method of preparing terephthalic acid (TPA) using colored terylene fabric |
| CN108456135A (en) * | 2018-01-17 | 2018-08-28 | 太原理工大学 | A kind of method of coloured waste and old polyester fiber renewable resources |
| CN108568286A (en) * | 2018-04-24 | 2018-09-25 | 常州市蒽盗钟情生物科技有限公司 | A kind of preparation method of waste textile fabric base water surface oil absorption material |
| CN109261100A (en) * | 2018-08-21 | 2019-01-25 | 浙江工业大学 | A kind of reaction system being used to prepare carbon material |
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| CN102583304A (en) * | 2011-12-28 | 2012-07-18 | 太原理工大学 | Method for preparing carbon microsphere by utilizing waste cotton fibre |
| CN102633249A (en) * | 2012-03-23 | 2012-08-15 | 太原理工大学 | Method for rapidly preparing carbon microspheres by using cotton cellulose |
| CN103319331A (en) * | 2013-06-30 | 2013-09-25 | 太原理工大学 | Method for recycling waste polyester/cotton blended fabric |
| CN104760956A (en) * | 2015-03-11 | 2015-07-08 | 广东工业大学 | Method of preparing activated charcoal from waste dust removal cloth bag |
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| CN102583304A (en) * | 2011-12-28 | 2012-07-18 | 太原理工大学 | Method for preparing carbon microsphere by utilizing waste cotton fibre |
| CN102633249A (en) * | 2012-03-23 | 2012-08-15 | 太原理工大学 | Method for rapidly preparing carbon microspheres by using cotton cellulose |
| CN103319331A (en) * | 2013-06-30 | 2013-09-25 | 太原理工大学 | Method for recycling waste polyester/cotton blended fabric |
| CN104760956A (en) * | 2015-03-11 | 2015-07-08 | 广东工业大学 | Method of preparing activated charcoal from waste dust removal cloth bag |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629245A (en) * | 2017-09-08 | 2018-01-26 | 太原理工大学 | The circulation utilization method of waste and old polyester cotton under a kind of hydrothermal condition |
| CN107629245B (en) * | 2017-09-08 | 2021-01-29 | 太原理工大学 | Recycling method of waste polyester-cotton blended fabric under hydrothermal condition |
| CN108456135A (en) * | 2018-01-17 | 2018-08-28 | 太原理工大学 | A kind of method of coloured waste and old polyester fiber renewable resources |
| CN108456135B (en) * | 2018-01-17 | 2021-02-02 | 太原理工大学 | Method for recycling colored waste polyester-cotton fibers |
| CN108276274A (en) * | 2018-03-07 | 2018-07-13 | 太原理工大学 | A method of preparing terephthalic acid (TPA) using colored terylene fabric |
| CN108276274B (en) * | 2018-03-07 | 2020-10-23 | 太原理工大学 | Method for preparing terephthalic acid by using colored polyester fabric |
| CN108568286A (en) * | 2018-04-24 | 2018-09-25 | 常州市蒽盗钟情生物科技有限公司 | A kind of preparation method of waste textile fabric base water surface oil absorption material |
| CN109261100A (en) * | 2018-08-21 | 2019-01-25 | 浙江工业大学 | A kind of reaction system being used to prepare carbon material |
| CN109261100B (en) * | 2018-08-21 | 2020-08-25 | 浙江工业大学 | Reaction system for preparing carbon material |
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Application publication date: 20151230 |