CN105642344A - 一种固载型离子液体催化剂及其制备方法和应用 - Google Patents
一种固载型离子液体催化剂及其制备方法和应用 Download PDFInfo
- Publication number
- CN105642344A CN105642344A CN201510996117.4A CN201510996117A CN105642344A CN 105642344 A CN105642344 A CN 105642344A CN 201510996117 A CN201510996117 A CN 201510996117A CN 105642344 A CN105642344 A CN 105642344A
- Authority
- CN
- China
- Prior art keywords
- sba
- solid
- liquid
- carrying type
- liquid catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002608 ionic liquid Substances 0.000 title claims abstract description 41
- 239000003054 catalyst Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 17
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 17
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 17
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000005642 Oleic acid Substances 0.000 claims abstract description 17
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 17
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000013335 mesoporous material Substances 0.000 claims abstract description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 24
- -1 polyethylene Polymers 0.000 claims description 21
- 150000002500 ions Chemical class 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 18
- 230000002378 acidificating effect Effects 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 10
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Substances C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 9
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229920000428 triblock copolymer Polymers 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000003786 synthesis reaction Methods 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 3
- 239000003225 biodiesel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- ALSTYHKOOCGGFT-UHFFFAOYSA-N cis-oleyl alcohol Natural products CCCCCCCCC=CCCCCCCCCO ALSTYHKOOCGGFT-UHFFFAOYSA-N 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 125000001967 indiganyl group Chemical group [H][In]([H])[*] 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000032050 esterification Effects 0.000 abstract description 3
- 238000005886 esterification reaction Methods 0.000 abstract description 3
- 239000002283 diesel fuel Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 230000002194 synthesizing effect Effects 0.000 abstract description 2
- 239000011831 acidic ionic liquid Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 description 6
- 239000002808 molecular sieve Substances 0.000 description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000002551 biofuel Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 150000002632 lipids Chemical class 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002148 esters Chemical group 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010773 plant oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0277—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature
- B01J31/0292—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides comprising ionic liquids, as components in catalyst systems or catalysts per se, the ionic liquid compounds being used in the molten state at the respective reaction temperature immobilised on a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
- B01J29/035—Microporous crystalline materials not having base exchange properties, such as silica polymorphs, e.g. silicalites
- B01J29/0352—Microporous crystalline materials not having base exchange properties, such as silica polymorphs, e.g. silicalites containing iron group metals, noble metals or copper
- B01J29/0356—Iron group metals or copper
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
- B01J2231/49—Esterification or transesterification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
Abstract
本发明公开了一种固载型离子液体催化剂及其制备方法和应用。其特征在于为酸性离子液体通过键合接枝法固载到Fe掺杂的介孔材料SBA-15即Fe-SBA-15的表面;其中酸性离子液体的固载量为每克Fe-SBA-15上固载酸性离子液体0.5~1.5mmol;Fe在Fe-SBA-15中的掺杂质量分数为0.5~3.6%。制备的催化剂同时具有Lewis酸性和
Description
技术领域
本发明涉及一种固载型离子液体催化剂及其制备方法和应用,属于催化合成生物柴油领域。
背景技术
随着国民经济的快速发展,石化能源日益枯竭,人类未来的发展遭受到了严峻的考验,石化资源大肆利用的同时造成了严重的环境污染问题。开发可再生能源和资源以替代逐渐枯竭的石化资源已成为必然趋势。作为一种可再生能源,生物柴油具有能量密度高、十六烷值高、生物可降解、污染物排放少、原料可再生等优点,因而受到世界各国的高度重视。
当前,生物柴油的合成有酯交换和酯化两条途径。酯交换法是指动植物油脂(脂肪酸甘油酯)与短链醇(甲醇、乙醇等)在强酸(硫酸等)或者强碱(氢氧化钠、氢氧化钾等)催化下生成脂肪酸酯和甘油。酯化法是指脂肪酸与短链醇在酸催化下生成脂肪酸酯和水。在酯交换工艺中,使用强碱作为催化剂时,要求原料中的脂肪酸含量低于1%,否则脂肪酸与碱发生皂化反应使催化剂失活。因此,油脂原料需要经过复杂的预处理以除去脂肪酸。两条途径中的酸催化剂通常为硫酸,它催化活性高、反应条件比较温和,但腐蚀性强、分离回收困难、产生的废酸对环境污染严重。因此,开发催化活性高、易于分离回收、对环境友好的催化剂用于合成生物柴油成为当前的研究热点。
作为一种对环境友好的催化剂,离子液体引起了广大学者的关注。它具有热稳定性好、溶解性能强、不挥发、结构易调变等优点。但也存在价格较高、用量大、粘度高、分离回收比较困难等不足。为了克服离子液体的这些不足,使其能够应用于更广阔的领域,人们提出了离子液体固载化的概念,即通过物理或化学方法将离子液体固载到无机或有机固体材料上,从而得到表面具有离子液体结构的固体物质。
以MCM-41和SBA-15为代表的介孔分子筛具有比表面积大、孔道规整、孔径分布均匀等特点。这不仅有助于消除分子进出孔道的内扩散限制,提高传质速率,而且有助于反应过程中热量的传递。但介孔分子筛本身具有的酸性或者碱性很弱,几乎没有催化活性,极大的限制了它在研究领域和工业上的应用。将离子液体固载到介孔分子筛制备成固载型离子液体催化剂,可以把离子液体与介孔分子筛的优势结合在一起,使其能够用于更广阔的范围。同时通过引入金属杂原子进行改性可提高分子筛的酸强度,从而进一步提高催化剂的催化效果。
发明内容
本发明的目的是为了改进现有技术的不足而提供一种固载型离子液体催化剂,本发明的另一目的是提供上述催化剂的制备方法,本发明还有一目的是提供上述催化剂在合成生物柴油中的应用。本发明制备的催化剂在较温和的条件下体现出较高的催化活性和良好的重复使用性,且分离回收容易。
本发明的技术方案为:一种固载型离子液体催化剂,其特征在于固载型离子液体催化剂为酸性离子液体通过键合接枝法固载到Fe掺杂的介孔材料SBA-15即Fe-SBA-15的表面;其中酸性离子液体的固载量为:每克Fe-SBA-15上固载酸性离子液体0.5~1.5mmol;Fe在Fe-SBA-15中的掺杂质量分数为0.5~3.6%。
本发明海提供了上述固载型离子液体催化剂的制备方法,其具体步骤如下:
A.Fe掺杂的介孔材料Fe-SBA-15的制备方法:将聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物P123(Mw=5800)溶于H2O中,向水溶液中滴加HCl溶液,然后加入Fe(NO3)3·9H2O和正硅酸四乙酯在30~50℃下搅拌(一般24~48h),Fe(NO3)3·9H2O与P123质量比1:(5~10),Fe(NO3)3·9H2O与正硅酸四乙酯质量比为0.01~0.08:1,在80~100℃下水热老化24~48h,过滤、洗涤后干燥,500~600℃焙烧6~8h,控制Fe占Fe-SBA-15的质量分数为0.5~3.6%,得到Fe-SBA-15;
B.固载型离子液体催化剂的制备方法:将酸性离子液体加入到甲苯中,然后加入Fe-SBA-15,离子液体摩尔量与Fe-SBA-15的质量比为1:(0.4~1.4)mmol/g,N2保护下100~120℃回流24~48h;抽滤、洗涤后真空干燥,控制每克Fe-SBA-15上固载酸性离子液体0.5~1.5mmol,即得到固载型离子液体催化剂。
优选步骤A中P123的质量与H2O的体积比为1:(20~30)g/mL;HCl溶液摩尔浓度为1~2mol/L,HCl溶液与水体积比为1:40~80。
优选步骤B中离子液体的摩尔量与甲苯的体积比为1:(10~25)mmol/mL。
优选步骤B中的酸性离子液体为1-(3-磺酸基丙基)-3-三甲氧基硅丙基-咪唑硫酸氢盐、1-(3-磺酸基丁基)-3-三甲氧基硅丙基-咪唑硫酸氢盐、1-(3-磺酸基丙基)-3-三乙氧基硅丙基-咪唑硫酸氢盐或1-(3-磺酸基丙基)-3-三甲氧基硅丙基-咪唑磷酸二氢盐中的一种。
本发明海提供了上述固载型离子液体催化剂在合成生物柴油中的应用。其具体步骤如下:
将油酸和醇按摩尔比为1:(2~8)加入容器中,然后加入固载型离子液体催化剂,催化剂与油酸质量比1:(10~40),70~100℃下反应2~4h。反应结束后,过滤分离出固体催化剂继续重复使用。滤液经过蒸馏回收醇类。
优选上述的醇为甲醇、乙醇、丙醇或丁醇中的一种。
有益效果:
(1)本发明催化剂同时具有Lewis和两种酸性位点,二者协同作用,催化活性较高。
(2)本发明催化剂具有规整的介孔结构,传质速率高,传热性能好,催化剂分离回收简单,重复使用性能较好。
具体实施方式
实施例1
将4.0g聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物(P123,Mw=5800)溶于80mLH2O中,滴加2mL2mol/LHCl溶液。向溶液中加入0.8gFe(NO3)3·9H2O和10g正硅酸四乙酯,100℃下老化24h。过滤、洗涤后干燥,在500℃焙烧8h,得到3.35gFe-SBA-15,其中Fe在Fe-SBA-15中的质量分数为3.6%。
称取2.2mmol离子液体1-(3-磺酸基丙基)-3-三甲氧基硅丙基-咪唑磷酸二氢盐和3gFe-SBA-15加入到含有50mL甲苯中,N2保护下120℃回流24h。抽滤、洗涤后真空干燥,得到3.59g固载型离子液体催化剂,其中酸性离子液体的固载量为0.5mmol/gFe-SBA-15。
将0.1mol油酸和0.8mol甲醇加入三口烧瓶中,加入固载型离子液体催化剂0.71g,70℃下恒温搅拌反应4h,油酸转化率为87.2%,重复使用6次后,油酸转化率为84.8%。
实施例2
将4.0g聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物(P123,Mw=5800)溶于120mLH2O中,滴加1.5mL2mol/LHCl溶液。向溶液中加入0.4gFe(NO3)3·9H2O和40g正硅酸四乙酯,80℃下老化48h。过滤、洗涤后干燥,在600℃焙烧6h,得到13.28gFe-SBA-15,其中Fe在Fe-SBA-15中的质量分数为0.5%。
称取4.3mmol离子液体1-(3-磺酸基丁基)-3-三甲氧基硅丙基-咪唑硫酸氢盐和2gFe-SBA-15加入到含有60mL甲苯中,N2保护下100℃回流48h。抽滤、洗涤后真空干燥,得到2.76g固载型离子液体催化剂,其中酸性离子液体固载量为1.5mmol/g。
将0.1mol油酸和0.2mol丁醇加入三口烧瓶中,加入固载型离子液体催化剂1.42g,100℃下恒温搅拌反应2h,油酸转化率为91.6%,重复使用6次后,油酸转化率为88.4%。
实施例3
将4.0g聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物(P123,Mw=5800)溶于100mLH2O中,滴加2.5mL1mol/LHCl溶液。向溶液中加入0.6gFe(NO3)3·9H2O和15g正硅酸四乙酯,90℃下老化36h。过滤、洗涤后干燥,在500℃焙烧8h,得到5.24gFe-SBA-15,其中Fe在Fe-SBA-15中的质量分数为1.9%。
称取4.1mmol离子液体1-(3-磺酸基丙基)-3-三乙氧基硅丙基-咪唑硫酸氢盐和4gFe-SBA-15加入到含有80mL甲苯中,N2保护下110℃回流36h。抽滤、洗涤后真空干燥,得到5.28g固载型离子液体催化剂,其中酸性离子液体固载量为0.9mmol/g。
将0.1mol油酸和0.6mol乙醇加入三口烧瓶中,加入固载型离子液体催化剂2.84g,90℃下恒温搅拌反应4h,油酸转化率为93.1%,重复使用6次后,油酸转化率为89.5%。
实施例4
将4.0g聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物(P123,Mw=5800)溶于90mLH2O中,滴加2mL2mol/LHCl溶液。向溶液中加入0.6gFe(NO3)3·9H2O和12g正硅酸四乙酯,90℃下老化36h。过滤、洗涤后干燥,在500℃焙烧8h,得到4.01gFe-SBA-15,其中Fe在Fe-SBA-15中的质量分数为2.3%。
称取3.3mmol离子液体1-(3-磺酸基丙基)-3-三甲氧基硅丙基-咪唑硫酸氢盐和3gFe-SBA-15加入到含有60mL甲苯中,N2保护下100℃回流36h。抽滤、洗涤后真空干燥,得到3.87g固载型离子液体催化剂,其中酸性离子液体的固载量为1.0mmol/g。
将0.1mol油酸和0.4mol丙醇加入三口烧瓶中,加入固载型离子液体催化剂2.13g,80℃下恒温搅拌反应3h,油酸转化率为91.2%,重复使用6次后,油酸转化率为88.7%。
Claims (8)
1.一种固载型离子液体催化剂,其特征在于固载型离子液体催化剂为酸性离子液体通过键合接枝法固载到Fe掺杂的介孔材料SBA-15即Fe-SBA-15的表面;其中酸性离子液体的固载量为:每克Fe-SBA-15上固载酸性离子液体0.5~1.5mmol;Fe在Fe-SBA-15中的掺杂质量分数为0.5~3.6%。
2.一种制备如权利要求1所述的固载型离子液体催化剂的方法,其具体步骤如下:
A.Fe掺杂的介孔材料Fe-SBA-15的制备方法:将聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物P123,溶于H2O中,向水溶液中滴加HCl溶液,然后加入Fe(NO3)3·9H2O和正硅酸四乙酯在30~50℃下搅拌,Fe(NO3)3·9H2O与P123质量比1:(5~10),Fe(NO3)3·9H2O与正硅酸四乙酯质量比为0.01~0.08:1,在80~100℃下水热老化24~48h,过滤、洗涤后干燥,500~600℃焙烧6~8h,控制Fe占Fe-SBA-15的质量分数为0.5~3.6%,得到Fe-SBA-15;
B.固载型离子液体催化剂的方法:将酸性离子液体加入到甲苯中,然后加入Fe-SBA-15,离子液体摩尔量与Fe-SBA-15的质量比为1:(0.4~1.4)mmol/g,N2保护下100~120℃回流24~48h;抽滤、洗涤后真空干燥,控制每克Fe-SBA-15上固载酸性离子液体0.5~1.5mmol,即得到固载型离子液体催化剂。
3.根据权利要求2所述的方法,其特征在于步骤A中P123的质量与H2O的体积比为1:(20~30)g/mL;HCl溶液摩尔浓度为1~2mol/L,HCl溶液与水体积比为1:40~80。
4.根据权利要求2所述的方法,其特征在于步骤B中离子液体的摩尔量与甲苯的体积比为1:(10~25)mmol/mL。
5.根据权利要求2所述的方法,其特征在于步骤B中的酸性离子液体为1-(3-磺酸基丙基)-3-三甲氧基硅丙基-咪唑硫酸氢盐、1-(3-磺酸基丁基)-3-三甲氧基硅丙基-咪唑硫酸氢盐、1-(3-磺酸基丙基)-3-三乙氧基硅丙基-咪唑硫酸氢盐或1-(3-磺酸基丙基)-3-三甲氧基硅丙基-咪唑磷酸二氢盐中的一种。
6.一种如权利要求1所述的固载型离子液体催化剂在合成生物柴油中的应用。
7.根据权利要求6所述的应用,其特征在于其具体步骤如下:
将油酸和醇按摩尔比为1:(2~8)加入容器中,然后加入固载型离子液体催化剂,催化剂与油酸质量比1:(10~40),70~100℃下反应2~4h。
8.根据权利要求7所述的应用,其特征在于所述醇为甲醇、乙醇、丙醇或丁醇中的一种。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510996117.4A CN105642344A (zh) | 2015-12-24 | 2015-12-24 | 一种固载型离子液体催化剂及其制备方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510996117.4A CN105642344A (zh) | 2015-12-24 | 2015-12-24 | 一种固载型离子液体催化剂及其制备方法和应用 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105642344A true CN105642344A (zh) | 2016-06-08 |
Family
ID=56477813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510996117.4A Pending CN105642344A (zh) | 2015-12-24 | 2015-12-24 | 一种固载型离子液体催化剂及其制备方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105642344A (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106582831A (zh) * | 2016-12-06 | 2017-04-26 | 河南工业大学 | Sba‑15固载聚合酸性离子液体催化剂 |
CN107163240A (zh) * | 2017-05-19 | 2017-09-15 | 濮阳市宏源石油化工有限公司 | 熔融酯交换法合成聚碳酸酯用的固载化离子液体催化剂 |
CN107519930A (zh) * | 2017-09-02 | 2017-12-29 | 湘潭大学 | 一种催化合成生物柴油的双核咪唑离子固体碱的制备方法 |
CN107790191A (zh) * | 2017-10-17 | 2018-03-13 | 江苏大学 | 用于环己酮和乙二醇缩酮反应的固体酸催化剂的制备方法 |
CN110036016A (zh) * | 2016-12-05 | 2019-07-19 | 日清纺控股株式会社 | 包含含有硅的磷酸阴离子的盐和润滑剂 |
CN111085266A (zh) * | 2019-12-30 | 2020-05-01 | 江苏美思德化学股份有限公司 | 一种固载型双酸性离子液体催化合成二甲基硅油的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102031202A (zh) * | 2010-12-08 | 2011-04-27 | 中国科学院西双版纳热带植物园 | 一种离子液体催化制备生物柴油的方法 |
US20110245522A1 (en) * | 2010-04-06 | 2011-10-06 | Cpc Corporation, Taiwan | Method of Fabricating Fatty Acid Methyl Ester by Using Bronsted Acid Ionic Liquid |
CN104624242A (zh) * | 2015-02-05 | 2015-05-20 | 江南大学 | 一种合成生物柴油酸性离子液体固载型催化剂及其制备方法 |
CN105038997A (zh) * | 2015-09-01 | 2015-11-11 | 中国科学院广州能源研究所 | 一种离子液体催化油脂同步制备生物柴油和碳酸甘油酯的方法 |
-
2015
- 2015-12-24 CN CN201510996117.4A patent/CN105642344A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110245522A1 (en) * | 2010-04-06 | 2011-10-06 | Cpc Corporation, Taiwan | Method of Fabricating Fatty Acid Methyl Ester by Using Bronsted Acid Ionic Liquid |
CN102031202A (zh) * | 2010-12-08 | 2011-04-27 | 中国科学院西双版纳热带植物园 | 一种离子液体催化制备生物柴油的方法 |
CN104624242A (zh) * | 2015-02-05 | 2015-05-20 | 江南大学 | 一种合成生物柴油酸性离子液体固载型催化剂及其制备方法 |
CN105038997A (zh) * | 2015-09-01 | 2015-11-11 | 中国科学院广州能源研究所 | 一种离子液体催化油脂同步制备生物柴油和碳酸甘油酯的方法 |
Non-Patent Citations (3)
Title |
---|
LIN ZHANG ET AL.: ""Biodiesel Production by Esterification of Oleic Acid over Brønsted Acidic Ionic Liquid Supported onto Fe-Incorporated SBA-15"", 《INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH》 * |
徐如人 等: "《无机合成与制备化学(下)》", 28 February 2009, 高等教育出版社 * |
韩璐 等: "《新型介观及形体结构及形成机理的电子显微学研究》", 31 October 2015, 知识产权出版社 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110036016A (zh) * | 2016-12-05 | 2019-07-19 | 日清纺控股株式会社 | 包含含有硅的磷酸阴离子的盐和润滑剂 |
KR20190088054A (ko) * | 2016-12-05 | 2019-07-25 | 닛신보 홀딩스 가부시키 가이샤 | 규소 함유 인산 음이온을 포함하는 염, 및 윤활제 |
EP3549943A4 (en) * | 2016-12-05 | 2020-08-12 | Nisshinbo Holdings Inc. | SALT WITH SILICONIC PHOSPHATANION AND LUBRICANT |
KR102541213B1 (ko) | 2016-12-05 | 2023-06-09 | 닛신보 홀딩스 가부시키 가이샤 | 규소 함유 인산 음이온을 포함하는 염, 및 윤활제 |
CN106582831A (zh) * | 2016-12-06 | 2017-04-26 | 河南工业大学 | Sba‑15固载聚合酸性离子液体催化剂 |
CN106582831B (zh) * | 2016-12-06 | 2019-03-08 | 河南工业大学 | Sba-15固载聚合酸性离子液体催化剂 |
CN107163240A (zh) * | 2017-05-19 | 2017-09-15 | 濮阳市宏源石油化工有限公司 | 熔融酯交换法合成聚碳酸酯用的固载化离子液体催化剂 |
CN107519930A (zh) * | 2017-09-02 | 2017-12-29 | 湘潭大学 | 一种催化合成生物柴油的双核咪唑离子固体碱的制备方法 |
CN107790191A (zh) * | 2017-10-17 | 2018-03-13 | 江苏大学 | 用于环己酮和乙二醇缩酮反应的固体酸催化剂的制备方法 |
CN111085266A (zh) * | 2019-12-30 | 2020-05-01 | 江苏美思德化学股份有限公司 | 一种固载型双酸性离子液体催化合成二甲基硅油的方法 |
CN111085266B (zh) * | 2019-12-30 | 2023-01-03 | 江苏美思德化学股份有限公司 | 一种固载型双酸性离子液体催化合成二甲基硅油的方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105642344A (zh) | 一种固载型离子液体催化剂及其制备方法和应用 | |
Thangaraj et al. | Catalysis in biodiesel production—a review | |
Zhang et al. | Heterogeneously chemo/enzyme-functionalized porous polymeric catalysts of high-performance for efficient biodiesel production | |
Basumatary et al. | Production of renewable biodiesel using metal organic frameworks based materials as efficient heterogeneous catalysts | |
Esmi et al. | Heteropoly acids as supported solid acid catalysts for sustainable biodiesel production using vegetable oils: A review | |
Zhang et al. | Functionalized organic–inorganic hybrid porous coordination polymer-based catalysts for biodiesel production via trans/esterification | |
Andrade et al. | Retracted: a review of bio-diesel production processes | |
Liu et al. | Acidic deep eutectic solvents with long carbon chains as catalysts and reaction media for biodiesel production | |
CN102671676A (zh) | 一种SnO2/SnS2异质结光催化剂的制备方法 | |
CN102628008A (zh) | 一种聚合型离子液体催化废弃油脂合成生物柴油的方法 | |
Silva et al. | Carbon nitride-based nanomaterials as a sustainable catalyst for biodiesel production | |
Maleki et al. | Novel Co3O4 decorated with rGO nanocatalyst to boost microwave-assisted biodiesel production and as nano-additive to enhance the performance-emission characteristics of diesel engine | |
CN101974372A (zh) | 氨基酸离子液体催化酯交换制备生物柴油 | |
Ngo et al. | Mesoporous silica‐supported diarylammonium catalysts for esterification of free fatty acids in greases | |
Ding et al. | Mini review of biodiesel by integrated membrane separation technologies that enhanced esterification/transesterification | |
Gadore et al. | Advances in photocatalytic biodiesel production: Preparation methods, modifications and mechanisms | |
CN101205473B (zh) | 煅烧硅酸钠催化制备生物柴油 | |
Nguyen et al. | A review on metal–organic framework as a promising catalyst for biodiesel production | |
CN102586031A (zh) | 一种基于离子液体制备生物柴油的方法 | |
Zhang et al. | Environmentally-friendly preparation of Sn (II)-BDC supported heteropolyacid as a stable and highly efficient catalyst for esterification reaction | |
CN100375780C (zh) | 一种利用固体碱制备生物柴油的工艺 | |
Wang et al. | Efficient Synthesis of Biodiesel Catalyzed by Chitosan‐Based Catalysts | |
CN100523130C (zh) | 一种硅酸盐催化制备生物柴油的方法 | |
CN102875471A (zh) | 一种碱性复合离子液体及生物柴油制备方法 | |
US20100170145A1 (en) | Catalyst for production of biodiesel and its production method, and method for producing biodiesel |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160608 |
|
RJ01 | Rejection of invention patent application after publication |