CN101096278A - Compound treatment utilizing method of hogwash and obtained product thereof - Google Patents

Compound treatment utilizing method of hogwash and obtained product thereof Download PDF

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Publication number
CN101096278A
CN101096278A CNA2006100907917A CN200610090791A CN101096278A CN 101096278 A CN101096278 A CN 101096278A CN A2006100907917 A CNA2006100907917 A CN A2006100907917A CN 200610090791 A CN200610090791 A CN 200610090791A CN 101096278 A CN101096278 A CN 101096278A
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Prior art keywords
swill
biofuel
weight parts
parts
oil
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CNA2006100907917A
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CN100554169C (en
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汤广武
余灯华
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BEIJING JINGSUISHUN COATING MATERIAL Co Ltd
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BEIJING JINGSUISHUN COATING MATERIAL Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00Technologies relating to oil refining and petrochemical industry
    • Y02P30/20Technologies relating to oil refining and petrochemical industry using bio-feedstock

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  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

The invention discloses a synthetic processing and using method of swill, which comprises the following steps: sampling swill oil from swill to refine; using the refined swill oil to make biological diesel; adopting residual swill slag to make binder; using the biological diesel to make fuel composition. The invention recycles all composition of swill to utilize, which changes waste into valued material with low cost, in order to realizing resourcing synthetic utilization and innocent treatment of swill.

Description

The comprehensive treating process of swill utilizes method and products obtained therefrom thereof
Technical field
The present invention relates to renewable utilization of waste material field, relate in particular to the utilization of swill.
Background technology
Swill is called swill again, generally is meant the rubbish of catering trade dischargings such as restaurant, hotel, dining room, is the mixture of tablewares such as leftover and chopsticks toothpick, wherein contains resources such as abundant grease, protein, starch.China's annual urban restaurant trade swill amount reaches several ten million tons, but in China at present also not to urban restaurant trade swill in addition effectively management and rational exploitation and utilization, thereby cause a series of social concerns.
Processing to swill at present mainly contains following three kinds of methods:
The one, direct discharging is with the direct discharging of swill with urban sewage pipe, because the quantity discharged of swill is very big, cause a lot of negative impacts, for example, make that the river pollution of urban environment and periphery is serious, and waste the reclaimable waste resource in a large number, not only contaminate environment, and waste.
The 2nd, with the raising fertilizer of swill as livestock, for example do pig feed, though avoided the pollution and the waste of direct discharging like this, can cause environmental pollution equally but raise pigs, main is swill contains can not be directly as the objectionable impurities of the feed of livestock and fishery products, can destroy biologic chain health like this, finally be detrimental to health.
The 3rd, from swill, extract swill oil, the swill main body of oil is a grease, i.e. glyceryl ester, a large amount of animal-plant oil obtains swill oil in the extraction swill, two outlets in front should be meaningful ways that is worth promotion relatively, are the modes that changing waste into resources utilizes.But contain objectionable impurities in the swill oil, can not use as edible oil.And can produce a large amount of waste residues and can't utilize again.
For swill oil is utilized again, generally swill oil is made the tensio-active agent or the biofuel of soap kind and used.For example, application number is that the Chinese patent application of CN200510042324.2 discloses a kind of swill comprehensive utilization technique, and mainly comprise: (1) carries out solid-liquid separation with swill; (2) in liquid phase, add sulfuric acid and carry out pickling, remove water and obtain oil phase; (3) oil phase is washed to neutrality; (4) under High Temperature High Pressure, oil phase is hydrolyzed, remove moisture wherein, oleic acid and solid acid are isolated in the squeezing of freezing back, and the isolated solid part of step (1) is processed into green organic fertilizer after drying, and the grease in the swill partly is processed into soap class tensio-active agent, oleic acid.Application number is that the Chinese patent application of CN02133591.5 discloses a kind of production method of bio-diesel oil, it utilizes the tankage and the edible refiltered oil that are produced in the vegetable oil refining process to be raw material, through acidifying removal of impurities, continuously dehydrating, esterification, recovery methyl alcohol, leave standstill, tell lower floor, reclaim glycerine, continuous still battery obtains explained hereafter biofuel such as finished product.
Term in the literary composition " biofuel " is meant that vegetables oil and methyl alcohol carry out the fatty acid methyl ester of transesterify gained, is a kind of biofuel of cleaning, also is referred to as " regeneration fuel oil ".
But there is following shortcoming in aforesaid method, and is not high to extracting swill slag utilization ratio remaining behind the swill oil, and the processing condition of preparation biofuel are very harsh, can't use as motor spirit if can not reach the biofuel that requirement produces.
Summary of the invention
The object of the present invention is to provide a kind of comprehensive treating process of swill to utilize method, the grease in the swill partly can be processed into biofuel, the swill slag is used to process moulded coal, thereby turns waste into wealth by this method.
For achieving the above object, the comprehensive treating process that the invention provides a kind of swill utilizes method, and this method comprises: extract swill oil and make with extra care from swill; The purified swill oil is prepared biofuel; Remaining swill slag is used for preparing tackiness agent after will extracting swill oil.Preferably, this method also comprises the gained biofuel is used to prepare fuel mixture.
Below describe the present invention.
Can use ordinary method from swill extraction swill oil and purified method, for example with type of heating realize as the swill oil of liquid phase be separated as two of the swill residue of solid phase, upper phase is a swill oil, then swill oil is obtained refining swill oil through pickling, alkali cleaning, washing, dehydration, wherein the used acid of pickling can be conventional organic or inorganic acid, for example acetic acid, sulfonic acid, sulfuric acid, hydrochloric acid and nitric acid etc., used alkali can be the mineral alkali of routine, for example sodium hydroxide, potassium hydroxide and hydrated barta etc., dehydration can be undertaken by distillation.
Certainly the treating process of swill oil and purification condition change according to the rank of gained biofuel.If obtain being used in the biofuel of motor spirit, then treating process and purification condition are very strict, each link all requires to carry out thoroughly.And gained biofuel and not be used in motor spirit, then treating process and purification condition can be corresponding looser.
The purified swill oil is prepared method of bio-diesel oil, can use art methods, also the method that can use the present invention to propose.
According to art methods,, gained swill oil and methyl alcohol obtains biofuel thereby can in the presence of acid or alkalescence transesterification reaction taking place.
The invention allows for the novel method for preparing biofuel from refining swill oil, this method comprises: with purified swill oil, methyl alcohol and catalyzer potassium hydroxide by mass ratio 350~400: mix back and gradually be heated to 50~55 ℃ at 75~85: 2~4, fully reaction is 0.5~6 hour, preferred 3 hours; Leave standstill layering in 2~10 hours then, get upper phase and reclaim methyl alcohol when temperature is 75~100 ℃, will reclaim residuum behind the methyl alcohol again with 50~80 ℃ of hot water wash twice, remove water, distillation dehydration or underpressure distillation obtain biofuel.The biofuel purity that obtains in this way can be controlled, and for example the biofuel purity of underpressure distillation gained is very high, near 0# petrifaction diesel standard, can be used as the alternative fuel of 0# diesel oil, thereby as motor spirit; And the biofuel purity that the straight run distillation dehydration obtains is lower, generally not as motor spirit.
The biofuel of above-mentioned distillation gained can be used for preparing propellant combination, for example that itself and 80 orders or particle diameter is littler coal-tar pitch powder is by weight 100: 10~150, preferred 100: 40~130, more preferably 100: 100~130, most preferably 100: 120~125 mixing obtain a kind of fuel mixture, this fuel stability is good, room temperature good flowing properties, and calorific value height.In this way, dissolve the asphalt powder that becomes the pressed powder state under the room temperature with the good biofuel of solubility property, thereby reduced the viscosity of asphalt powder, make final gained fuel very good in ambient temperature current downflow performance; Also for example this biofuel and coal dust and water and emulsifier mix are obtained propellant combination, as a kind of propellant combination that contains following composition: above-mentioned biofuel 30~70 weight parts, coal dust 20~60, water 10~20 weight parts, emulsifying agent 1~5 weight part, preferred biofuel 40~50 weight parts, coal dust 35~45 weight parts, water 10~15 weight parts, emulsifying agent 1~2 weight part, described emulsifying agent is preferably lithium stearate, and this propellant combination at room temperature is liquid, sufficient combustion has promoted the utilization of coal.
Extract behind the swill oil remaining swill slag and can be used for preparing tackiness agent, for example will extract remaining swill slag behind the swill oil, bromogeramine and water mixes, grinding obtains swill and sticks with paste tackiness agent, the bromogeramine consumption is preferably 0.1% of swill slag weight, water consumption is preferably 10% of swill slag weight, grinding can, for example grind through colloidal mill, ball mill or sand milling.It can be as the binding agent of producing moulded coal, for example with its with coal dust, lime powder by weight 30~80: 100: 2~10, mixing in preferred 50: 100: 5, through extrude, moulding, drying obtain briquette prod.This moulded coal has higher cold strength (that is: the physical strength under the cold and hot condition is good), is difficult for fragmentation, and the moulded coal calorific value does not reduce, owing to use the swill raw material, therefore not only cost is low, and efficiently solves the swill problem of environment pollution caused simultaneously.With existing with the clay is tackiness agent moulded coal relatively, its ash is lower and calorific value is higher.
As seen, the swill comprehensive treating process utilizes method according to the present invention, the all constituents of swill all can be recycled, for example swill oil is changed into biofuel, thereby further utilize, for example be used to produce propellant combination, the swill slag is used as tamanori, thereby further utilize, for example be used to produce moulded coal.So not only solved problem of environmental pollution, and all the components of swill is all recycled, turned waste into wealth, reduced production cost, new Application Areas and method is provided.Thereby realize the comprehensive utilization of resources and the harmless treatment of swill.
Embodiment
Below further describe the present invention by illustrative embodiment, characteristics of the present invention and effect will be clearer.And those skilled in the art should understand that be; these embodiment only are illustrative; the present invention's scope required for protection is not produced any influence, any modification and the replacement made in the present invention's spirit scope all fall within the scope of protection of the present invention.
Embodiment 1
(1) use the steam heating swill, it is carried out infusion, extract the swill oil on upper strata, lower floor is remaining to be the swill slag.
(2) swill oil that will extract gained is removed colloid through dilute sulphuric acid, removes free fatty acids and residual acid through diluted sodium hydroxide solution again, then washing, and last distillation dehydration obtains the purified swill oil.
(3) the refining swill oil 360g of gained is joined in the there-necked flask, be heated to 55 ℃ then, under agitation the methanol solution of the potassium hydroxide that will be pre-mixed under uniform temp (wherein methyl alcohol 77g, catalyzer potassium hydroxide 3.2g) adds in the there-necked flask, is keeping under 55 ℃ the temperature reaction 3 hours, standing demix then, get upper oil phase, reclaim methyl alcohol, use twice of 50 ℃ of hot water wash again at 75 ℃, remove water, distillation dehydration obtains biofuel 390g.
(4) (1) gained swill slag 450g, 0.45g bromogeramine sterilant and the mixing of 45g water were obtained the swill pasty adhesive in 10 minutes through the colloidal mill grinding.
(5) (4) gained binding agent is mixed with 2000g coal dust and 100g lime powder, through single screw extrusion machine extrude, moulding, drying obtain briquette prod.
(6) gained biofuel in (3) is at room temperature mixed with 80 purpose coal-tar pitch powder 475g, obtain at room temperature mobile fuel mixture arbitrarily, its calorific value is 10000 Kcal/kgKcal/kg.
Embodiment 2
By the method processing and utilizing swill oil identical with embodiment 1, its difference is, (3) used refining swill oil 780g is heated to 60 ℃ in there-necked flask, the methanol solution of the potassium hydroxide that will under 50 ℃, be pre-mixed down (methyl alcohol 165g wherein under agitation, catalyzer potassium hydroxide 6g) adds in the there-necked flask, keeping temperature is 55 ℃, fully reacts 1 hour; Standing demix is got the upper strata in 75 ℃ of recovery methyl alcohol then, uses 75 ℃ of hot water wash twice again, removes water, and distillation dehydration obtains biofuel 850g;
(4) gained swill slag 450g, 0.45g bromogeramine sterilant and the mixing of 45g water were obtained the swill pasty adhesive in 10 minutes through the colloidal mill grinding.
(5) (4) gained binding agent is mixed with 1000g coal dust and 20g lime powder, through single screw extrusion machine extrude, moulding, drying obtain briquette prod.
(6) gained biofuel in (3) is at room temperature mixed with 80 purpose coal-tar pitch powder 850g, obtain at room temperature mobile fuel mixture arbitrarily, its calorific value is 9500 Kcal/kg
Embodiment 3
By the method processing and utilizing swill oil identical with embodiment 1, its difference is, (3) used refining swill oil 400g is heated to 50 ℃ in there-necked flask, the methanol solution of the potassium hydroxide that will under 50 ℃, be pre-mixed down (methyl alcohol 85g wherein under agitation, catalyzer potassium hydroxide 4g) adds in the there-necked flask, keeping temperature is 55 ℃, fully reacts 3 hours; Standing demix is got the upper strata in 75 ℃ of recovery methyl alcohol then, uses 70 ℃ of hot water wash twice again, removes water, and distillation dehydration obtains biofuel 435g;
(4) gained swill slag 150g, 0.15g bromogeramine sterilant and the mixing of 15g water were obtained the swill pasty adhesive in 10 minutes through the colloidal mill grinding.
(5) (4) gained binding agent is mixed with 1000g coal dust and 20g lime powder, through single screw extrusion machine extrude, moulding, drying obtain briquette prod.
(6) gained biofuel in (3) is at room temperature mixed with 80 purpose coal-tar pitch powder 355g, obtain at room temperature mobile fuel mixture arbitrarily, its calorific value is 9000 Kcal/kg.
Embodiment 4
By the method processing and utilizing swill oil identical with embodiment 1, its difference only is, gained 390g biofuel is mixed with 500g coal dust, 200g water and 5g lithium stearate, grinding in ball grinder emulsification 30 minutes, obtains propellant combination.
Embodiment 5
By the method processing and utilizing swill oil identical with embodiment 3, its difference only is, gained 435g biofuel is mixed with 400g coal dust, 120g water and 2g lithium stearate, grinding in ball grinder emulsification 20 minutes, obtains propellant combination.

Claims (8)

1. the comprehensive treating process of a swill utilizes method, and this method comprises: extract swill oil and make with extra care from swill; The purified swill oil is prepared biofuel; Remaining swill slag is used for preparing tackiness agent after will extracting swill oil.
2. method according to claim 1 is characterized in that, this method also comprises the gained biofuel is used to prepare fuel mixture.
3. method according to claim 1 and 2, it is characterized in that, refining swill oil prepares comprising of biofuel: with purified swill oil, methyl alcohol and catalyzer potassium hydroxide by mass ratio 350~400: mix back and gradually be heated to 50~55 ℃ at 75~85: 2~4, fully reaction is 0.5~6 hour, preferred 3 hours; Leave standstill layering in 2~10 hours then, get upper phase and reclaim methyl alcohol when temperature is 75~100 ℃, will reclaim residuum behind the methyl alcohol again with 50~80 ℃ of hot water wash twice, remove water, distillation dehydration or underpressure distillation obtain biofuel.
4. method according to claim 1 and 2 is characterized in that, described tackiness agent with the extraction swill oil after remaining swill slag, bromogeramine and water mix after grind and obtain.
5. a moulded coal is characterized in that, it includes following materials of weight proportions composition: 30~80 parts in the described tackiness agent of claim 4,2~10 parts of 100 parts of coal dusts and lime powders, 50 parts of preferred adhesive, 5 parts of 100 parts of coal dusts and lime powders.
6. according to claim 2 or 3 described methods, it is characterized in that, described biofuel is used for preparing propellant combination.
7. propellant combination, it is characterized in that, its composition that contains is as described below: according to biofuel 100 weight parts of claim 1 or 3 gained, asphalt powder 10~150, preferred biofuel 100 weight parts, asphalt powder 40~130 weight parts, more preferably biofuel 100 weight parts, asphalt powder 100~130 weight parts, biofuel 100 weight parts most preferably, asphalt powder 120~125 weight parts.
8. a propellant combination is characterized in that, it contains composition as described below: according to biofuel 30~70 weight parts of claim 1 or 3 gained, coal dust 20~60, water 10~20 weight parts, emulsifying agent 1~5 weight part; Preferred biofuel 40~50 weight parts, coal dust 35~45 weight parts, water 10~15 weight parts, emulsifying agent 1~2 weight part.
CNB2006100907917A 2006-06-30 2006-06-30 The comprehensive treating process of swill utilizes method and products obtained therefrom thereof Expired - Fee Related CN100554169C (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824369A (en) * 2010-05-20 2010-09-08 浙江交通职业技术学院 Method for preparing marine biologic diesel oil by utilizing swill oil
CN102416398A (en) * 2011-08-24 2012-04-18 深圳市艾科斯达投资有限公司 Municipal solid waste compressive classification treatment method
CN102465201A (en) * 2010-11-15 2012-05-23 北京君致清科技有限公司 Organic binder prepared from kitchen wastes as raw materials for pellets
CN102604707A (en) * 2012-04-02 2012-07-25 尹洪刚 Production method for biolipid solid fuel
CN113528236A (en) * 2021-06-29 2021-10-22 江西尊创新能源有限公司 Method for removing colloid in hogwash oil

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824369A (en) * 2010-05-20 2010-09-08 浙江交通职业技术学院 Method for preparing marine biologic diesel oil by utilizing swill oil
CN101824369B (en) * 2010-05-20 2012-07-04 浙江交通职业技术学院 Method for preparing marine biologic diesel oil by utilizing swill oil
CN102465201A (en) * 2010-11-15 2012-05-23 北京君致清科技有限公司 Organic binder prepared from kitchen wastes as raw materials for pellets
CN102416398A (en) * 2011-08-24 2012-04-18 深圳市艾科斯达投资有限公司 Municipal solid waste compressive classification treatment method
CN102604707A (en) * 2012-04-02 2012-07-25 尹洪刚 Production method for biolipid solid fuel
CN113528236A (en) * 2021-06-29 2021-10-22 江西尊创新能源有限公司 Method for removing colloid in hogwash oil

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