CN107824224A - Biodiesel catalyst and preparation method thereof - Google Patents

Biodiesel catalyst and preparation method thereof Download PDF

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Publication number
CN107824224A
CN107824224A CN201711144341.6A CN201711144341A CN107824224A CN 107824224 A CN107824224 A CN 107824224A CN 201711144341 A CN201711144341 A CN 201711144341A CN 107824224 A CN107824224 A CN 107824224A
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weight
parts
acid
biodiesel
sodium carbonate
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郑波
何星基
何星存
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Guilin Honest ESET Co Ltd
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Guilin Honest ESET Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/19Catalysts containing parts with different compositions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L1/00Liquid carbonaceous fuels
    • C10L1/02Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11CFATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
    • C11C3/00Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
    • C11C3/04Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04Alumina
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/02Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the alkali- or alkaline earth metals or beryllium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20Carbon compounds
    • B01J27/232Carbonates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0215Sulfur-containing compounds
    • B01J31/0225Sulfur-containing compounds comprising sulfonic acid groups or the corresponding salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0235Nitrogen containing compounds
    • B01J31/0237Amines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0255Phosphorus containing compounds
    • B01J31/0257Phosphorus acids or phosphorus acid esters
    • B01J31/0258Phosphoric acid mono-, di- or triesters ((RO)(R'O)2P=O), i.e. R= C, R'= C, H
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/06Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)

Abstract

The invention provides a kind of biodiesel catalyst and preparation method thereof, catalytic component includes:Pyrovinic acid, ethylsulfonic acid, linear alkyl benzene sulfonic acid, phosphoric acid monoester, polyethers phosphate ester acid, calcium oxide, sodium carbonate, aluminum oxide, TMAH.The present invention not only has the characteristics that adaptability to raw material is wide, reaction condition is gentle, the reaction time is short, meanwhile using this catalyst acidification oil produce biodiesel method technique it is simple, workable, energy consumption is low, biodiesel conversion rate is high, improves economic benefit.

Description

Biodiesel catalyst and preparation method thereof
Technical field
The invention belongs to field of energy-saving technology, and in particular to a kind of biodiesel catalyst.
Background technology
The raw materials for production of domestic biodiesel are mostly waste grease, contain substantial amounts of free fatty in waste grease, If directly carrying out preparing biodiesel by ester exchange using base catalysis, catalytic efficiency can be caused low, saponification phenomenon is serious, can not obtain To effective product.The content for reducing free fatty in feedstock oil is the necessary condition of production of biodiesel, using acid catalysis ester It is one of most effectual way for reducing free fatty to change reaction.The most frequently used esterification catalyst is sulfuric acid in actual production, sulphur Acid has preferable catalytic activity, but has stronger oxidation and severe corrosive simultaneously.Sulfuric acid and original during the course of the reaction After a series of side reactions can occur for material oil, by part material oil carbon or aggregate into colloidal material, and esterification terminates The necessary special disposal of a large amount of acid sludges of generation, cost are larger.Due to the severe corrosive of sulfuric acid, it is desirable to which reactor must be that enamel is anti- Kettle is answered, also higher is required to the useless methanol and methanol recovery system that are generated after reaction, the material such as hold-up tank.
The content of the invention
In view of the problems of prior art, the present invention provides a kind of biodiesel catalyst.
In order to solve the above technical problems, technical scheme proposed by the present invention is as follows:A kind of biodiesel catalyst, including with The component of lower parts by weight:The parts by weight of pyrovinic acid 60~80, the parts by weight of ethylsulfonic acid 40~60, linear alkyl benzene sulfonic acid 30~50 Parts by weight, the parts by weight of phosphoric acid monoester 20~40, the parts by weight of polyethers phosphate ester acid 10~25, the parts by weight of calcium oxide 5~15, carbonic acid The parts by weight of sodium 5~15, the parts by weight of aluminum oxide 1~5, the parts by weight of TMAH 1~5.
According to biodiesel catalyst provided by the invention, inventor has carried out the sieve of substantial amounts of component and dosage early stage Choosing experiment, it is found surprisingly that, technical scheme is by reasonably matching and the combination of each component not only has raw material The features such as wide adaptability, reaction condition are gentle, the reaction time is short, meanwhile, produce biological bavin with acidification oil using this catalyst Oily method technique is simple, workable, energy consumption is low, biodiesel conversion rate is high, improves economic benefit.
In addition, biodiesel catalyst according to the above embodiment of the present invention, can also have technology additional as follows special Sign:
According to the example of the present invention, the pyrovinic acid is 60 parts by weight, and the ethylsulfonic acid is 40 parts by weight, The linear alkyl benzene sulfonic acid is 30 parts by weight, and the phosphoric acid monoester is 20 parts by weight, and the polyethers phosphate ester acid is 10 weights Part is measured, the calcium oxide is 5 parts by weight, and the sodium carbonate is 5 parts by weight, and the aluminum oxide is 1 parts by weight, the tetramethyl Ammonium hydroxide is 1 parts by weight.
According to the example of the present invention, the pyrovinic acid is 65 parts by weight, and the ethylsulfonic acid is 45 parts by weight, The linear alkyl benzene sulfonic acid is 35 parts by weight, and the phosphoric acid monoester is 25 parts by weight, and the polyethers phosphate ester acid is 15 weights Part is measured, the calcium oxide is 7 parts by weight, and the sodium carbonate is 7 parts by weight, and the aluminum oxide is 2 parts by weight, the tetramethyl Ammonium hydroxide is 2 parts by weight.
According to the example of the present invention, the pyrovinic acid is 70 parts by weight, and the ethylsulfonic acid is 50 parts by weight, The linear alkyl benzene sulfonic acid is 40 parts by weight, and the phosphoric acid monoester is 30 parts by weight, and the polyethers phosphate ester acid is 20 weights Part is measured, the calcium oxide is 10 parts by weight, and the sodium carbonate is 10 parts by weight, and the aluminum oxide is 3 parts by weight, the tetramethyl Base ammonium hydroxide is 3 parts by weight.
According to the example of the present invention, the pyrovinic acid is 80 parts by weight, and the ethylsulfonic acid is 60 parts by weight, The linear alkyl benzene sulfonic acid is 50 parts by weight, and the phosphoric acid monoester is 40 parts by weight, and the polyethers phosphate ester acid is 25 weights Part is measured, the calcium oxide is 15 parts by weight, and the sodium carbonate is 15 parts by weight, and the aluminum oxide is 5 parts by weight, the tetramethyl Base ammonium hydroxide is 5 parts by weight.
In addition, present invention also offers a kind of preparation method of biodiesel catalyst, including by the pyrovinic acid, second Base sulfonic acid, linear alkyl benzene sulfonic acid, phosphoric acid monoester, polyethers phosphate ester acid, calcium oxide, sodium carbonate, aluminum oxide, tetramethyl hydrogen-oxygen Change ammonium and be mixed and heated to 80-100 DEG C, and be cooled to 60-70 DEG C.
The advantages of above additional aspect, will be set forth in part in the description, and partly will become bright from the following description It is aobvious, or recognized by the practice of the present invention.
Embodiment
Embodiment one
A kind of biodiesel catalyst, include the component of following parts by weight:The pyrovinic acid is 60 parts by weight, the second Base sulfonic acid is 40 parts by weight, and the linear alkyl benzene sulfonic acid is 30 parts by weight, and the phosphoric acid monoester is 20 parts by weight, the polyethers Phosphate ester acid is 10 parts by weight, and the calcium oxide is 5 parts by weight, and the sodium carbonate is 5 parts by weight, and the aluminum oxide is 1 weight Part is measured, the TMAH is 1 parts by weight.
Embodiment two
A kind of biodiesel catalyst, include the component of following parts by weight:The pyrovinic acid is 65 parts by weight, the second Base sulfonic acid is 45 parts by weight, and the linear alkyl benzene sulfonic acid is 35 parts by weight, and the phosphoric acid monoester is 25 parts by weight, the polyethers Phosphate ester acid is 15 parts by weight, and the calcium oxide is 7 parts by weight, and the sodium carbonate is 7 parts by weight, and the aluminum oxide is 2 weights Part is measured, the TMAH is 2 parts by weight.
Embodiment three
A kind of biodiesel catalyst, include the component of following parts by weight:The pyrovinic acid is 70 parts by weight, the second Base sulfonic acid is 50 parts by weight, and the linear alkyl benzene sulfonic acid is 40 parts by weight, and the phosphoric acid monoester is 30 parts by weight, the polyethers Phosphate ester acid is 20 parts by weight, and the calcium oxide is 10 parts by weight, and the sodium carbonate is 10 parts by weight, and the aluminum oxide is 3 Parts by weight, the TMAH are 3 parts by weight.
Example IV
A kind of biodiesel catalyst, include the component of following parts by weight:The pyrovinic acid is 80 parts by weight, the second Base sulfonic acid is 60 parts by weight, and the linear alkyl benzene sulfonic acid is 50 parts by weight, and the phosphoric acid monoester is 40 parts by weight, the polyethers Phosphate ester acid is 25 parts by weight, and the calcium oxide is 15 parts by weight, and the sodium carbonate is 15 parts by weight, and the aluminum oxide is 5 Parts by weight, the TMAH are 5 parts by weight.
Comparative example one
Do not use linear alkyl benzene sulfonic acid, other components are identical with embodiment one.
Comparative example two
Calcium oxide, sodium carbonate and aluminum oxide are not used, other components are identical with embodiment one.
Measure of merit
By the reaction time LVFS rate and biology of each embodiment and comparative example of the biodiesel catalyst of the present invention Diesel oil conversion enhancing rate (being compared to sulfur catalyst).Test result such as following table:
Reaction time LVFS rate (%) Biodiesel conversion enhancing rate (%)
Embodiment one 7.6 10.5
Embodiment two 8.0 10.1
Embodiment three 7.6 11.3
Example IV 8.4 11.6
Comparative example one 3.1 6.4
Comparative example two 2.8 5.8
Understood with reference to above-mentioned data, technical scheme is by reasonably matching and the combination of each component not only has There is the features such as adaptability to raw material is wide, reaction condition is gentle, the reaction time is short, meanwhile, produced using this catalyst with acidification oil The method technique of biodiesel is simple, workable, energy consumption is low, biodiesel conversion rate is high, improves economic benefit.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (6)

1. a kind of biodiesel catalyst, it is characterised in that include the component of following parts by weight:The weight of pyrovinic acid 60~80 Part, the parts by weight of ethylsulfonic acid 40~60, the parts by weight of linear alkyl benzene sulfonic acid 30~50, the parts by weight of phosphoric acid monoester 20~40, polyethers The parts by weight of phosphate ester acid 10~25, the parts by weight of calcium oxide 5~15, the parts by weight of sodium carbonate 5~15, the parts by weight of aluminum oxide 1~5, The parts by weight of TMAH 1~5.
2. biodiesel catalyst according to claim 1, it is characterised in that the pyrovinic acid is 60 parts by weight, institute It is 40 parts by weight to state ethylsulfonic acid, and the linear alkyl benzene sulfonic acid is 30 parts by weight, and the phosphoric acid monoester is 20 parts by weight, described Polyethers phosphate ester acid is 10 parts by weight, and the calcium oxide is 5 parts by weight, and the sodium carbonate is 5 parts by weight, and the aluminum oxide is 1 parts by weight, the TMAH are 1 parts by weight.
3. biodiesel catalyst according to claim 1, it is characterised in that the pyrovinic acid is 65 parts by weight, institute It is 45 parts by weight to state ethylsulfonic acid, and the linear alkyl benzene sulfonic acid is 35 parts by weight, and the phosphoric acid monoester is 25 parts by weight, described Polyethers phosphate ester acid is 15 parts by weight, and the calcium oxide is 7 parts by weight, and the sodium carbonate is 7 parts by weight, and the aluminum oxide is 2 parts by weight, the TMAH are 2 parts by weight.
4. biodiesel catalyst according to claim 1, it is characterised in that the pyrovinic acid is 70 parts by weight, institute It is 50 parts by weight to state ethylsulfonic acid, and the linear alkyl benzene sulfonic acid is 40 parts by weight, and the phosphoric acid monoester is 30 parts by weight, described Polyethers phosphate ester acid is 20 parts by weight, and the calcium oxide is 10 parts by weight, and the sodium carbonate is 10 parts by weight, the aluminum oxide For 3 parts by weight, the TMAH is 3 parts by weight.
5. biodiesel catalyst according to claim 1, it is characterised in that the pyrovinic acid is 80 parts by weight, institute It is 60 parts by weight to state ethylsulfonic acid, and the linear alkyl benzene sulfonic acid is 50 parts by weight, and the phosphoric acid monoester is 40 parts by weight, described Polyethers phosphate ester acid is 25 parts by weight, and the calcium oxide is 15 parts by weight, and the sodium carbonate is 15 parts by weight, the aluminum oxide For 5 parts by weight, the TMAH is 5 parts by weight.
6. a kind of preparation method of biodiesel catalyst as claimed in claim 1, it is characterised in that including by the methyl Sulfonic acid, ethylsulfonic acid, linear alkyl benzene sulfonic acid, phosphoric acid monoester, polyethers phosphate ester acid, calcium oxide, sodium carbonate, aluminum oxide, four Ammonium hydroxide is mixed and heated to 80-100 DEG C, and is cooled to 60-70 DEG C.
CN201711144341.6A 2017-11-17 2017-11-17 Biodiesel catalyst and preparation method thereof Withdrawn CN107824224A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1724612A (en) * 2005-07-05 2006-01-25 南京大学 Biological diesel oil catalyst and method of synthesizing biological diesel oil using sai catalyst
CN1935945A (en) * 2006-09-28 2007-03-28 南京大学 Biodiesel preparing method and its byproduct recovering and utilizing method
CN101073770A (en) * 2006-05-19 2007-11-21 李艺 Process of biological diesel-oil composite liquefied catalyst
CN103464201A (en) * 2013-09-25 2013-12-25 陕西合盛生物柴油技术开发有限公司 Composite acid catalyst for esterification of biodiesel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1724612A (en) * 2005-07-05 2006-01-25 南京大学 Biological diesel oil catalyst and method of synthesizing biological diesel oil using sai catalyst
CN101073770A (en) * 2006-05-19 2007-11-21 李艺 Process of biological diesel-oil composite liquefied catalyst
CN1935945A (en) * 2006-09-28 2007-03-28 南京大学 Biodiesel preparing method and its byproduct recovering and utilizing method
CN103464201A (en) * 2013-09-25 2013-12-25 陕西合盛生物柴油技术开发有限公司 Composite acid catalyst for esterification of biodiesel

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Application publication date: 20180323