CN102911690A - Method for preparing fuel oil from waste paper waste residue - Google Patents

Method for preparing fuel oil from waste paper waste residue Download PDF

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Publication number
CN102911690A
CN102911690A CN201210336113XA CN201210336113A CN102911690A CN 102911690 A CN102911690 A CN 102911690A CN 201210336113X A CN201210336113X A CN 201210336113XA CN 201210336113 A CN201210336113 A CN 201210336113A CN 102911690 A CN102911690 A CN 102911690A
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Prior art keywords
waste residue
waste paper
utilize
bamboo charcoal
waste
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CN201210336113XA
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CN102911690B (en
Inventor
裴文
孙莉
戚新军
胡卫雅
赵婷
单东方
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Guangdong Gaohang Intellectual Property Operation Co ltd
Zhongrong Technology Corp ltd
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Zhejiang University of Technology ZJUT
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Abstract

The invention discloses a method for preparing fuel oil from waste paper waste residue, which comprises the following steps: pretreating waste residue generated after papermaking with waste paper; by using the pretreated waste paper waste residue as the raw material and bamboo charcoal sulfonated solid acid as a catalyst, carrying out cracking reaction at 100-500 DEG C for 0.5-10 hours; and after the reaction finishes, distilling the cracking liquid, and collecting the 40-330 DEG C fraction as the fuel oil. The method for producing fuel oil by using the solid acid catalyst does not generate solid waste, and thus, is environment-friendly; and the method disclosed by the invention is suitable for large-scale industrial production, is a green and clean production technique capable of changing wastes into valuable substances, and has no application reports of industrial production at present.

Description

A kind of method of utilizing the waste paper waste residue to prepare oil fuel
(1) technical field
The present invention relates to a kind of waste paper waste residue utilization technology, especially a kind ofly use novel carbon back sulfonic acid type solid acid as catalyzer, utilize cracking technique to carry out the green process technology of waste paper waste residue liquefaction.
(2) background technology
The waste paper recycling is an effective way that solves papermaking shortage of raw materials problem, can saving resource, reduce cost, and be the important measures that China's paper industry solves the fibrous material difficulty.But, to produce a large amount of waste residues after utilizing regenerated papermaking.The waste paper waste residue that produces every day at present by statistics has more than the upper kiloton.The main component of waste residue is plastic waste by analysis, because plastic refuse is not perishable, has had a strong impact on the ecotope of the earth.Therefore, the improvement of plastic waste is very urgent.
Carbon back sulfonic acid type solid acid is a kind of solid acid catalyst of in recent years people's research and development, is to utilize biomass control charing to be prepared into solid sulfoacid, has caused in recent years people's great attention.Utilize solid acid as heterogeneous catalyst, generally have not etching apparatus, pollution is little, high temperature resistant, aftertreatment is simple, easily separated and low cost and other advantages, and obtained broad research and application in the acid catalysis field.Therefore, new and effective solid acid catalyst is used for the waste paper waste residue---the made from used plastics oil tech has great significance, and there is not yet report in the application aspect the waste paper waste residue catalytic pyrolysis.
(3) summary of the invention
The object of the invention provides a kind of novel carbon back sulfonic acid type solid acid catalyst that utilizes, and adopts cracking, distillation technique to realize waste sludge from paper mill catalyse pyrolysis liquefaction technology.
The technical solution used in the present invention is:
A kind of method of utilizing the waste paper waste residue to prepare oil fuel, described method is: will utilize the waste residue that produces behind the regenerated papermaking to dry comminution pretreatment, getting pretreated waste paper waste residue is raw material, take bamboo charcoal sulfonation solid acid as catalyzer, at 100 ~ 500 ℃ of lower scission reaction 0.5 ~ 10h, after reaction finishes, lysate is distilled processing, collect 40 ~ 330 ℃ the cut oil that acts as a fuel.Described bamboo charcoal sulfonation solid acid is that catalyzer is take the bamboo bits as raw material, carries out the pyrolysis carbonization, then sulfonation in the vitriol oil or oleum, a kind of new catalyst of preparation not being higher than under 600 ℃ the condition.
Further, described oven dry comminution pretreatment is first the waste residue that produces behind the regenerated papermaking to be dried to moisture content to be lower than 5%, then pulverizes, and obtains pretreated waste paper waste residue.
Further, after described lysate distillation is processed, collect respectively 40 ~ 190 ℃ cut as gasoline, collect 250 ~ 330 ℃ cut as diesel oil.
Further, described sulfonic acid type solid acid and the pretreated waste paper waste residue mass ratio that feeds intake is 0.01 ~ 0.3:1.
Further, described reaction is at 300 ~ 400 ℃ of lower scission reaction 1 ~ 5h.
The catalyzer that adopts during catalytic cracking reaction of the present invention belongs to the solid sulfoacid class catalyzer of biomass control charing preparation, be preferably bamboo charcoal sulfonation solid acid catalyst, " preparation of sulfonation bamboo charcoal, sign and acid catalytic properties thereof " such as preparation method's reference literature Xu Qiong, new carbon, 2011,26(2), 103-108.
Catalytic cracking reaction mechanism can be explained with the carbonium ion theory.The alkene that thermo-cracking produces long carbochain occurs first in waste sludge from paper mill, and then alkene enters and obtains H on the catalyst surface +And the formation carbonium ion, carbonium ion fragments into first primary in the β position, secondary carbon ion, then is isomerizated into more stable tertiary carbon positive ion, and last, stable tertiary carbon positive ion is with H +Return catalyzer, itself becomes alkene.Isomerization can make non-straight chain hydrocarbon molecule greatly increase, and the straight chain hydrocarbon molecule reduces.
Described cleavage method is catalytic pyrolysis under heating, makes the chain rupture of polyolefine macromole, and making its cracking is small molecules.C in these small molecules 5H 12~C 11H 24Deng being exactly gasoline component; C 12H 26~C 20H 42Be diesel component.Or 40~190 ℃ be the gasoline distillation stage, and 250~330 ℃ is the diesel oil distillation stage.
Further, bamboo charcoal sulfonation solid acid catalyst of the present invention prepares as follows: (1) is with the H of dry bamboo bits in mass concentration 30~80% 3PO 4After soaking 1~20h(preferred 3 ~ 20h) in the aqueous solution, use the Büchner funnel suction filtration, get filter cake a and obtain dried filter cake at 100 ℃ of lower dry 24h, then dried filter cake is carried out pyrolysis in tube furnace, namely the speed with 30 ℃/min is warming up to 110 ℃, be incubated 3 hours, naturally cool to after the room temperature with deionized water wash to neutral, obtain bamboo charcoal after the drying; Described dry bamboo bits and H 3PO 4The mass ratio of the aqueous solution is 1:3~10; (2) bamboo charcoal is added SO 3In the oleum of massfraction 50%, be warming up to 100 ℃ and constant temperature sulfonation 2h, add deionized water cooling termination reaction, filter, get filter cake b with deionized water wash to detecting till the sulfate radical-free ion with barium chloride solution, obtain bamboo charcoal sulfonation solid acid catalyst after the drying; Described bamboo charcoal and oleum mass ratio are the preferred 1:5 of 1:1~5().
Further, the method of utilizing the waste paper waste residue to prepare oil fuel of the present invention is carried out as follows: will utilize the waste residue that produces behind the regenerated papermaking to be dried to moisture content and be lower than 5%, getting pretreated waste paper waste residue mixes with mass ratio 1:0.01 ~ 0.3 with bamboo charcoal sulfonation solid acid and is placed in the scission reaction still, at 300 ~ 400 ℃ of lower scission reaction 1 ~ 5h, after reaction finishes, filtering reaction raw materials (waste residue and bamboo charcoal sulfonation solid acid are carbonized), lysate is transferred to distills processing in the still kettle, collect respectively 40 ~ 190 ℃ cut as gasoline component, collect 250 ~ 330 ℃ cut as diesel oil.
Filter cake a of the present invention and filter cake b are filter cake, and for ease of distinguishing different step acquisition filter cake difference and naming, alphabetical a and b itself do not have implication.
The waste residue that produces after waste paper (usually waste paper on adhesive tape the impurity such as the waste or used plastics are arranged) papermaking that utilizes of the present invention mainly is: can't be produced some waste materials, the impurity that utilize, such as surplus waste or used plastics out in the waste paper pulp-making process etc.
Compared with prior art, the method of utilizing solid acid catalyst to produce oil fuel of the present invention generates without solid waste, environmental friendliness, and the inventive method is suitable for the suitability for industrialized production of certain scale, be a green clearer production technology of turning waste into wealth, the application report of suitability for industrialized production is not yet arranged at present.
(4) embodiment
The present invention is described further below in conjunction with specific embodiment, but protection scope of the present invention is not limited in this:
The preparation of catalyzer
Embodiment 1
1, carbonization process: dry bamboo bits 100 are restrained in the H of mass concentration 30% 3PO 4Soaked 20 hours in the aqueous solution 1000 grams, use the Büchner funnel suction filtration, get filter cake obtains impregnation of phosphoric acid at 100 ℃ of lower dry 24h bamboo bits, then in tube furnace, carry out pyrolysis, namely the temperature rise rate with 30 ℃/min is warming up to 110 ℃, is incubated 3 hours, naturally cools to room temperature (20 ℃), products therefrom to neutral, obtains bamboo charcoal with deionized water wash after the drying.
2, sulfonation process: get above-mentioned bamboo charcoal 2 grams, add SO 3Oleum 10 grams of massfraction 50%, be warming up to 100 ℃ of constant temperature sulfonation 2 hours, add deionized water cooling termination reaction, filter, with filter cake with deionized water wash to detecting till the sulfate radical-free ion with barium chloride solution, obtain bamboo charcoal sulfonation solid acid catalyst 2.2 grams after the drying, acid content is 2.01mmol/g.
Embodiment 2
1, carbonization process: dry bamboo bits 100 are restrained in the H of mass concentration 80% 3PO 4Soaked 3 hours in the aqueous solution 300 grams, use the Büchner funnel suction filtration, get filter cake at 100 ℃ of lower dry bamboo bits that obtained impregnation of phosphoric acid in 24 hours, then in tube furnace, carry out pyrolysis, namely the temperature rise rate with 30 ℃/min is warming up to 110 ℃, is incubated 3 hours, naturally cools to room temperature, products therefrom to neutral, obtains bamboo charcoal with deionized water wash after the drying.
2, sulfonation process: get above-mentioned bamboo charcoal 2 grams, add SO 3Oleum 10 grams of massfraction 50%, be warming up to 100 ℃ of constant temperature sulfonation 2 hours, add deionized water cooling termination reaction, filter, with filter cake with deionized water wash to detecting till the sulfate radical-free ion with barium chloride solution, obtain bamboo charcoal sulfonation solid acid catalyst 2.2 grams after the drying, acid content is 2.03mmol/g.
Embodiment 3
1, carbonization process: dry bamboo bits 100 are restrained in the H of mass concentration 50% 3PO 4Soaked 10 hours in the aqueous solution 600 grams, use the Büchner funnel suction filtration, get filter cake at 100 ℃ of lower dry bamboo bits that obtained impregnation of phosphoric acid in 24 hours, then in tube furnace, carry out pyrolysis, namely the temperature rise rate with 30 ℃/min is warming up to 110 ℃, is incubated 3 hours, naturally cools to room temperature, products therefrom to neutral, obtains bamboo charcoal with deionized water wash after the drying.
2, sulfonation process: get above-mentioned bamboo charcoal 2 grams, add SO 3Oleum 10 grams of massfraction 50%, be warming up to 100 ℃ of constant temperature sulfonation 2 hours, add deionized water cooling termination reaction, filter, get filter cake with deionized water wash to detecting till the sulfate radical-free ion with barium chloride solution, obtain bamboo charcoal sulfonation solid acid catalyst 2.2 grams after the drying, acid content is 2.0mmol/g.
Embodiment 4: utilize embodiment 1 catalyzer to carry out the waste sludge from paper mill cracking
To utilize the waste residue oven dry that produces after waste paper (adhesive tape has the waste paper of the impurity such as the plastics) papermaking to make moisture be lower than 5%, pulverize, getting raw material after the pulverizing and the bamboo charcoal sulfonation solid acid catalyst of embodiment 1 preparation mixes with mass ratio 1:0.3, add fluidized bed cracking still (conventional closed reactor gets final product), after charging is complete, 300 ℃ of cracking 1 hour, after reaction finishes, the filtering reaction raw materials, lysate is squeezed into still kettle (conventional still kettle), collect respectively 40~190 ℃ of effluent liquid as gasoline, 250~330 ℃ of cuts are as diesel oil.Going out oil recovery rate is 70%.HPLC detects, and the purity of gasoline and diesel oil all reaches 99.4%.
Embodiment 5: utilize embodiment 2 catalyzer to carry out the waste sludge from paper mill cracking
To utilize the waste residue oven dry that produces after waste paper (with the embodiment 4) papermaking to make moisture low 5%, pulverize, getting raw material after the pulverizing and the bamboo charcoal sulfonation solid acid catalyst of embodiment 2 preparations mixes with mass ratio 1:0.01, add the fluidized bed cracking still, 500 ℃ of cracking 10 hours, after reaction finishes, the filtering reaction raw materials, lysate is squeezed into still kettle, collect respectively 40~190 ℃ of cuts as gasoline, 250~330 ℃ of cuts are as diesel oil.Going out oil recovery rate is 75%.HPLC detects, and the purity of gasoline and diesel oil all reaches 99.6%.
Embodiment 6: utilize embodiment 3 catalyzer to carry out the waste sludge from paper mill cracking
To utilize the waste residue oven dry that produces after waste paper (with the embodiment 4) papermaking to make moisture low 5%, pulverize, getting raw material after the pulverizing and the bamboo charcoal sulfonation solid acid catalyst of embodiment 3 preparations mixes with mass ratio 1:0.15, add the fluidized bed cracking still, 400 ℃ of cracking 5 hours, after reaction finishes, the filtering reaction raw materials, lysate is squeezed into still kettle, collect respectively 40~190 ℃ of cuts as gasoline, 250~330 ℃ of cuts are as diesel oil.Going out oil recovery rate is 73%.HPLC detects, and the purity of gasoline and diesel oil all reaches 99.3%.

Claims (7)

1. method of utilizing the waste paper waste residue to prepare oil fuel, it is characterized in that described method is: will utilize the waste residue that produces behind the regenerated papermaking to dry comminution pretreatment, getting pretreated waste paper waste residue is raw material, take bamboo charcoal sulfonation solid acid as catalyzer, at 100 ~ 500 ℃ of lower scission reaction 0.5 ~ 10h, after reaction finishes, lysate is distilled processing, collect 40 ~ 330 ℃ the cut oil that acts as a fuel.
2. utilize as claimed in claim 1 the waste paper waste residue to prepare the method for oil fuel, it is characterized in that described oven dry comminution pretreatment is first the waste residue that produces behind the regenerated papermaking to be dried to moisture content to be lower than 5%, then pulverize, obtain pretreated waste paper waste residue.
3. utilize as claimed in claim 1 the waste paper waste residue to prepare the method for oil fuel, it is characterized in that described lysate distillation is processed after, collect respectively 40 ~ 190 ℃ cut as gasoline, collect 250 ~ 330 ℃ cut as diesel oil.
4. utilize as claimed in claim 1 the waste paper waste residue to prepare the method for oil fuel, it is characterized in that described sulfonic acid type solid acid and the pretreated waste paper waste residue mass ratio that feeds intake is 0.01 ~ 0.3:1.
5. utilize as claimed in claim 1 the waste paper waste residue to prepare the method for oil fuel, it is characterized in that described reaction is at 300 ~ 400 ℃ of lower scission reaction 1 ~ 5h.
6. utilize as claimed in claim 1 the waste paper waste residue to prepare the method for oil fuel, it is characterized in that described bamboo charcoal sulfonation solid acid catalyst prepares as follows: (1) is with the H of dry bamboo bits in mass concentration 30~80% 3PO 4After soaking 1~20h in the aqueous solution, use the Büchner funnel suction filtration, get filter cake a and obtain dried filter cake at 100 ℃ of lower dry 24h, then dried filter cake is carried out pyrolysis in tube furnace, namely the speed with 30 ℃/min is warming up to 110 ℃, be incubated 3 hours, naturally cool to after the room temperature with deionized water wash to neutral, obtain bamboo charcoal after the drying; Described dry bamboo bits and H 3PO 4The mass ratio of the aqueous solution is 1:3~10; (2) bamboo charcoal is added SO 3In the oleum of massfraction 50%, be warming up to 100 ℃ and constant temperature sulfonation 2h, add deionized water cooling termination reaction, filter, get filter cake b with deionized water wash to detecting till the sulfate radical-free ion with barium chloride solution, obtain bamboo charcoal sulfonation solid acid catalyst after the drying; Described bamboo charcoal and oleum mass ratio are 1:1~5.
7. utilize as claimed in claim 1 the waste paper waste residue to prepare the method for oil fuel, it is characterized in that described method carries out as follows: will utilize the waste residue that produces behind the regenerated papermaking to be dried to moisture content and be lower than 5%, getting pretreated waste paper waste residue mixes with mass ratio 1:0.01 ~ 0.3 with bamboo charcoal sulfonation solid acid and is placed in the scission reaction still, at 300 ~ 400 ℃ of lower scission reaction 1 ~ 5h, after reaction finishes, the filtering reaction raw materials, lysate is transferred to distills processing in the still kettle, collect respectively 40 ~ 190 ℃ cut as gasoline component, collect 250 ~ 330 ℃ cut as diesel oil.
CN201210336113.XA 2012-09-12 2012-09-12 Method for preparing fuel oil from waste paper waste residue Expired - Fee Related CN102911690B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104593036A (en) * 2015-01-06 2015-05-06 珠海市盈润环保科技有限公司 Regenerated fuel oil extracted from waste filter cakes for producing sulfonate and preparation method of regenerated fuel oil
CN108079995A (en) * 2016-11-21 2018-05-29 北京华石联合能源科技发展有限公司 A kind of combination catalyst and application
CN108079992A (en) * 2016-11-21 2018-05-29 北京华石联合能源科技发展有限公司 Method for preparing catalyst and application is applied in combination in one kind
CN108080004A (en) * 2016-11-21 2018-05-29 北京华石联合能源科技发展有限公司 A kind of hydrogenating catalyst composition and application
WO2021260875A1 (en) * 2020-06-25 2021-12-30 株式会社アクト Organic waste recycling device, and recycling method therefor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1171427A (en) * 1996-07-19 1998-01-28 雷显明 Process for producing gasoline, diesel oil and fuel gas with plastic garbage and its apparatus
CN101024776A (en) * 2007-03-26 2007-08-29 湖南师范大学 Catalyst for catalytic cracking waste-plastic made fuel oil
CN101298566A (en) * 2008-06-27 2008-11-05 大连理工大学 Method for preparing biocarbon solid acid catalyst and biodiesel
KR100896428B1 (en) * 2007-11-12 2009-05-12 한국에너지기술연구원 Production method of solid acid catalyst from spent oil shale for catalytic cracking of polymeric materials and heavy oil and production method of light oil using thereof
CN101890364A (en) * 2010-06-25 2010-11-24 西北农林科技大学 Method of using agricultural and forestry waste to prepare solid-acid catalyst
CN102311749A (en) * 2011-08-05 2012-01-11 浙江国裕资源再生利用科技有限公司 Method for preparing fuel oil from solid super strong acid catalyzed and cracked papermaking waste residues
KR101162612B1 (en) * 2011-11-30 2012-07-04 이엔에프씨 주식회사 Oil production system from waste material and catalyst therefor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1171427A (en) * 1996-07-19 1998-01-28 雷显明 Process for producing gasoline, diesel oil and fuel gas with plastic garbage and its apparatus
CN101024776A (en) * 2007-03-26 2007-08-29 湖南师范大学 Catalyst for catalytic cracking waste-plastic made fuel oil
KR100896428B1 (en) * 2007-11-12 2009-05-12 한국에너지기술연구원 Production method of solid acid catalyst from spent oil shale for catalytic cracking of polymeric materials and heavy oil and production method of light oil using thereof
CN101298566A (en) * 2008-06-27 2008-11-05 大连理工大学 Method for preparing biocarbon solid acid catalyst and biodiesel
CN101890364A (en) * 2010-06-25 2010-11-24 西北农林科技大学 Method of using agricultural and forestry waste to prepare solid-acid catalyst
CN102311749A (en) * 2011-08-05 2012-01-11 浙江国裕资源再生利用科技有限公司 Method for preparing fuel oil from solid super strong acid catalyzed and cracked papermaking waste residues
KR101162612B1 (en) * 2011-11-30 2012-07-04 이엔에프씨 주식회사 Oil production system from waste material and catalyst therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
徐琼等: "磺化竹炭的制备、表征及其酸催化性能", 《新型炭材料》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104593036A (en) * 2015-01-06 2015-05-06 珠海市盈润环保科技有限公司 Regenerated fuel oil extracted from waste filter cakes for producing sulfonate and preparation method of regenerated fuel oil
CN108079995A (en) * 2016-11-21 2018-05-29 北京华石联合能源科技发展有限公司 A kind of combination catalyst and application
CN108079992A (en) * 2016-11-21 2018-05-29 北京华石联合能源科技发展有限公司 Method for preparing catalyst and application is applied in combination in one kind
CN108080004A (en) * 2016-11-21 2018-05-29 北京华石联合能源科技发展有限公司 A kind of hydrogenating catalyst composition and application
CN108079992B (en) * 2016-11-21 2020-07-14 北京华石联合能源科技发展有限公司 Preparation method and application of combined catalyst
CN108079995B (en) * 2016-11-21 2021-04-06 北京华石联合能源科技发展有限公司 Combined catalyst and application
CN108080004B (en) * 2016-11-21 2021-04-06 北京华石联合能源科技发展有限公司 Hydrogenation catalyst composition and application thereof
WO2021260875A1 (en) * 2020-06-25 2021-12-30 株式会社アクト Organic waste recycling device, and recycling method therefor

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