CN107497446B - 一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法 - Google Patents
一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法 Download PDFInfo
- Publication number
- CN107497446B CN107497446B CN201710786800.4A CN201710786800A CN107497446B CN 107497446 B CN107497446 B CN 107497446B CN 201710786800 A CN201710786800 A CN 201710786800A CN 107497446 B CN107497446 B CN 107497446B
- Authority
- CN
- China
- Prior art keywords
- solid acid
- acid catalyst
- dioctyl phthalate
- catalyst
- water
- 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.)
- Active
Links
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/883—Molybdenum and nickel
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/881—Molybdenum and iron
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/885—Molybdenum and copper
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8872—Alkali or alkaline earth metals
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/8878—Chromium
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
-
- 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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明属于新型环保催化剂技术领域,具体涉及一种合成混苯二甲酸二辛酯用的固体酸催化剂的制备方法,包括以下步骤:(1)将铵盐和水配成0.05‑0.5mol/L溶液备用;(2)将5‑50份氧化铝浸泡在50‑500份步骤(1)的溶液中,20‑60℃搅拌回流8‑12h,过滤后80‑120℃干燥6‑12h,500‑1100℃下煅烧1‑8h得到载体Al2O3;(3)配置0.6‑1.6mol/L的水盐溶液备用;(4)将1‑50份步骤(3)制得的水盐溶液滴加到5‑50份步骤(2)的载体Al2O3上,搅拌混合均匀后在80‑120℃干燥4‑12h,500‑700℃煅烧1‑6h,得到合成混苯二甲酸二辛酯用固体酸催化剂,该催化剂对PTA残渣和异辛醇反应制备混苯二甲酸二辛酯有很好的催化性能,反应后催化剂和反应产物分离,能回收利用,为环境友好型固体酸催化剂;对于处理PTA残渣具有好的工业应用前景。
Description
技术领域
本发明属于新型环保催化剂技术领域,具体涉及一种合成混苯二甲酸二辛酯用的固体酸催化剂的制备方法。
背景技术
精对苯二甲酸(简称PTA)的生产过程,是以对二甲苯为原料,醋酸为溶剂,加钴锰系催化剂,在一定温度和压力下通入使空气二甲苯发生氧化反应,然后经过结晶,分离,干燥,加氢精制等过程制得精对苯二甲酸,反应塔底的残渣即为PTA残渣,产量占PTA的0.5-0.9%。国内外企业对PTA残渣的处理方法有焚烧,水洗或者直接露天堆放,既浪费资源又污染环境。为解决上述问题,CN104418720 A将PTA残渣中的对苯二甲酸,邻苯二甲酸等成分经过萃取,分离,精馏,重结晶,闪蒸后提取回收利用,过程复杂,步骤繁琐,且回收成本高不利于工业化。
PTA残渣中含有大量的对苯二甲酸,邻苯二甲酸,间苯二甲酸等,以PTA残渣为原料,与异辛醇反应合成对苯二甲酸二辛酯,邻苯二甲酸二辛酯,间苯二甲酸二辛酯(统称混合苯二甲酸二辛酯),既降低成本又能有效利用工业废渣。其中邻苯二甲酸二辛酯和对苯二甲酸二辛酯是重要的通用型增塑剂,可以与工业上使用的绝大多数橡胶和合成树脂相容,广泛应用在塑料、橡胶,油漆,乳化剂等领域。
本发明目的在于提供一种PTA残渣制备混苯二甲酸二辛酯用的固体酸催化剂的制备和使用方法,该固体酸催化剂能将工业废弃物PTA残渣通过非均相反应合成混合苯二甲酸二辛酯,既解决PTA生产的残渣排放问题,也能创造一定的经济效益。本发明的固体酸催化剂绿色环保,容易与产物分离,并且可回收重复利用。
发明内容
为了解决上述技术问题,本申请提供一种合成混苯二甲酸二辛酯用的固体酸催化剂及其制备方法和使用方法,本申请是通过下述方案实现的:
一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法,包括以下步骤:
(1)将铵盐和水配成0.05-0.5mol/L溶液备用;
(2)将5-50份氧化铝浸泡在50-500份步骤(1)的溶液中,20-60℃搅拌回流8-12h,过滤后80-120℃干燥6-12h,500-1100 ℃下煅烧1-8h得到载体Al2O3;
(3)配置0.6-1.6mol/L的水盐溶液备用;
(4)将1-50份步骤(3)制得的水盐溶液滴加到5-50份步骤(2)的载体Al2O3上,搅拌混合均匀后在 80-120℃干燥4-12h,500-700℃煅烧1-6h,得到合成混苯二甲酸二辛酯用固体酸催化剂。
优选的,所述步骤(1)中的铵盐为硝酸铵或硫酸铵。
优选的,所述步骤(2)中的氧化铝是成型氧化铝,形状是圆柱形或三叶草或球形或拉西环或马鞍形。
优选的,所述步骤(3)的水盐溶液为含有硝酸铁,硝酸钴,硝酸镍,硝酸铬,硝酸铜,硝酸锌,氯化亚锡,钼酸钠,钼酸铵,钼酸钾中的一种或几种的盐溶液。
优选的,所述步骤(4)中干燥温度为110-120℃,干燥时间为6-10h,煅烧温度为500-700℃,煅烧时间为2-6h。
优选的,所述步骤(1)中铵盐与水配成的溶液的浓度为0.15-0.35mol/L。
一种合成混苯二甲酸二辛酯用固体酸催化剂的使用方法,将对苯二甲酸残渣(PTA残渣)、异辛醇按重量比为1:1.6-3.5的比例加入反应器中,100-130 ℃机械搅拌1-4h,加入固体酸催化剂,PTA残渣与催化剂的质量比是1:0.05-0.5,140-220℃保持10-24h,反应结束后过滤,将催化剂冲洗后洗涤干燥待用,测滤液酸价。
优选的,所述PTA残渣来自工业生产废弃物,混苯二甲酸的含量占残渣总质量的55%-75%。
本发明所述的一种合成混苯二甲酸二辛酯固体酸催化剂,对PTA残渣和异辛醇反应制备混苯二甲酸二辛酯有很好的催化性能,反应后催化剂和反应产物分离,能回收利用,为环境友好型固体酸催化剂;对于处理PTA残渣具有好的工业应用前景。
具体实施方式
实施例1
将2.5g硝酸铵和300mL水配成溶液,将20g圆柱形氧化铝浸泡其中,25℃搅拌12h,过滤后90℃干燥12h,900℃下煅烧2h得到处理好的Al2O3;配水盐溶液:将2.75g七钼酸铵,2.20g硝酸镍和15g水混合均匀,滴加到20g处理好的Al2O3上,搅拌混合均匀后在110℃干燥8h,500℃煅烧6h,得到合成混苯二甲酸二辛酯用固体酸催化剂。
将166gPTA残渣和390g异辛醇分别加入反应器中,机械搅拌混匀,120 ℃保持2h,蒸出水等低沸点物质。然后加入15g的固体酸催化剂,190℃反应24h,反应结束后,蒸出未反应的异辛醇,过滤,挑出残渣中的催化剂用异辛醇冲洗后干燥收集,滤液加入活性炭脱色后得浅黄色透明油状液体,测酸价。
实施例2
将1.65g硫酸铵和250mL水配成溶液,将20g拉西环形氧化铝浸泡其中,60℃搅拌12h,过滤后100℃干燥10h,700℃下煅烧6h得到处理好的载体Al2O3;配水盐溶液:将3.76g钼酸钠,2.18g硝酸钴和15g水混合均匀,滴加到20g处理好的载体Al2O3上,搅拌混合均匀后在80℃干燥12h,600℃煅烧4h,得到合成混苯二甲酸二辛酯用固体酸催化剂。
将166gPTA残渣和581g异辛醇分别加入反应器中,机械搅拌混匀,130 ℃保持1h。然后加入15g的固体酸催化剂,200℃保持20h,过滤,将催化剂用异辛醇冲洗后干燥保存,滤液加入活性炭脱色后得浅黄色透明油状液体,测酸价。
实施例3
将2.5g硝酸铵和300mL水配成溶液,将20g球形氧化铝浸泡其中,50℃搅拌12h,过滤后110℃干燥8h,700℃下煅烧4h得到处理好的载体Al2O3;配水盐溶液:将3.70g钼酸钾,2.99g硝酸铬和15g水混合均匀,滴加到20g处理好的载体Al2O3上,搅拌混合均匀后在 120℃干燥6h,700℃煅烧2h,得到合成混苯二甲酸二辛酯用固体酸催化剂。
将166gPTA残渣(固体)和266g异辛醇分别加入反应器中,机械搅拌混匀,加热到100 ℃保持3h。然后加入15g的固体酸催化剂,200℃反应15h,分水器收集反应水,反应结束后,过滤,将催化剂用异辛醇冲洗后干燥保存,滤液加入活性炭脱色后过滤得浅黄色透明油状液体,测酸价。
实施例4
催化剂制备方法同实施例1,水盐溶液的配制改为:将2.75g七钼酸铵,2.23g硝酸锌和15g水混合均匀。
评价方法同实施例1。
实施例5
催化剂制备方法同实施例1,水盐溶液的配制改为:将2.75g七钼酸铵,1.41g硝酸铜和15g水混合均匀。
评价方法同实施例1。
实施例6
催化剂制备方法同实施例1,水盐溶液的配制改为:将2.75g七钼酸铵,1.81g硝酸铁和15g水混合均匀。
评价方法同实施例1。
实施例7
催化剂制备方法同实施例1,水盐溶液的配制改为:将2.75g七钼酸铵,1.69g氯化亚锡和15g水混合均匀。
评价方法同实施例1。
实施例8
催化剂制备如实施例1
将166gPTA残渣和390g异辛醇分别加入反应器中,机械搅拌混匀, 120 ℃保持2h,蒸出水等低沸点物质。然后加入15g的固体酸催化剂,190℃反应24h,反应结束后,蒸出未反应的异辛醇,过滤,挑出残渣中的催化剂用异辛醇冲洗后干燥收集待用,滤液加入活性炭脱色后得浅黄色透明油状液体,测酸价。将回收的催化剂再投入到以上过程使用,共重复5次。
实施例9
一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法,包括以下步骤:
(1)将铵盐和水配成0.25mol/L溶液备用;
(2)将25份氧化铝浸泡在300份步骤(1)的溶液中,45℃搅拌回流10h,过滤后100℃干燥10h,800 ℃下煅烧6h得到载体Al2O3;
(3)配置1.0mol/L的水盐溶液备用;
(4)将25份步骤(3)制得的水盐溶液滴加到30份步骤(2)的载体Al2O3上,搅拌混合均匀后在100℃干燥4-12h600℃煅烧4.5h,得到合成混苯二甲酸二辛酯用固体酸催化剂。
优选的,所述步骤(1)中的铵盐为硝酸铵和硫酸铵,硝酸铵和硫酸铵的物质的量比为3:1。
优选的,所述步骤(2)中的氧化铝是成型氧化铝,形状是马鞍形。
优选的,所述步骤(3)的水盐溶液为含有硝酸铁,硝酸钴,硝酸镍,硝酸铬,硝酸铜,氯化亚锡,钼酸钠,钼酸铵,钼酸钾的盐溶液,所述硝酸铁,硝酸钴,硝酸镍,硝酸铬,硝酸铜,氯化亚锡,钼酸钠,钼酸铵,钼酸钾的物质的量比为1:2:4:7:1:8:4:6:5。
一种合成混苯二甲酸二辛酯用固体酸催化剂的使用方法,将对苯二甲酸残渣(PTA残渣)、异辛醇按重量比为1:2.0的比例加入反应器中,110 ℃机械搅拌3h,加入固体酸催化剂,PTA残渣与催化剂的质量比是1:0.10,190℃保持19h,反应结束后过滤,将催化剂冲洗后洗涤干燥待用,测滤液酸价。
优选的,所述PTA残渣来自工业生产废弃物,混苯二甲酸的含量占残渣总质量的55%-75%。
本申请采用SN/T 0803.8-1999《进出口油料游离脂肪酸、酸价检验方法》测酸价。
混苯二甲酸的转化率(混苯转化率)=1-[(0.5*166*10-3*残渣酸价)/56.1],其中56.1是氢氧化钾的相对分子质量,166是混苯二甲酸的相对分子质量。
残渣率=(滤饼质量-催化剂质量)/ PTA残渣质量。
Claims (2)
1.一种合成混苯二甲酸二辛酯用固体酸催化剂,其特征在于,所述固体酸催化剂的制备方法包括以下步骤:
将2.5g硝酸铵和300mL水配成溶液,将20g圆柱形氧化铝浸泡其中,25℃搅拌12h,过滤后90℃干燥12h,900℃下煅烧2h得到处理好的Al2O3;配水盐溶液:将2.75g七钼酸铵,2.20g硝酸镍和15g水混合均匀,滴加到20g处理好的Al2O3上,搅拌混合均匀后在110℃干燥8h,500℃煅烧6h,得到合成混苯二甲酸二辛酯用固体酸催化剂。
2.一种如权利要求1所述的固体酸催化剂的使用方法,其特征在于,所述固体酸催化剂的使用方法包括以下步骤:
将166gPTA残渣和390g异辛醇分别加入反应器中,机械搅拌混匀,120℃保持2h,蒸出低沸点物质,然后加入15g的固体酸催化剂,190℃反应24h,反应结束后,蒸出未反应的异辛醇,过滤,挑出残渣中的催化剂用异辛醇冲洗后干燥收集,滤液加入活性炭脱色后得浅黄色透明油状液体,测酸价。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710786800.4A CN107497446B (zh) | 2017-09-04 | 2017-09-04 | 一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710786800.4A CN107497446B (zh) | 2017-09-04 | 2017-09-04 | 一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107497446A CN107497446A (zh) | 2017-12-22 |
CN107497446B true CN107497446B (zh) | 2020-12-11 |
Family
ID=60695761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710786800.4A Active CN107497446B (zh) | 2017-09-04 | 2017-09-04 | 一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107497446B (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101157047A (zh) * | 2007-09-20 | 2008-04-09 | 南京化工职业技术学院 | 一种合成苹果酯固体酸催化剂及其制备方法与应用 |
CN104801311A (zh) * | 2015-04-23 | 2015-07-29 | 三明学院 | MoO3/NiO/TiO2固体酸催化剂及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100400499C (zh) * | 2003-10-31 | 2008-07-09 | 中国石油化工股份有限公司 | 一种对苯二甲酸氧化残渣回收利用的方法 |
CN101234355B (zh) * | 2008-03-06 | 2011-02-23 | 郭立耀 | 合成对苯二甲酸二辛酯的高效催化剂 |
CN103241753B (zh) * | 2012-02-02 | 2014-12-03 | 中国石油化工股份有限公司 | 一种α-氧化铝的制备方法 |
CN104262158B (zh) * | 2014-09-10 | 2016-01-20 | 南京化工职业技术学院 | 一种对苯二甲酸二异辛酯的生产方法 |
WO2016069229A1 (en) * | 2014-10-28 | 2016-05-06 | Exxonmobil Chemical Patents Inc. | Aerobic oxidative esterification of sugar-derived 1,4-disubstituted benzene for direct synthesis of dimethylterephthalate |
CN106040266B (zh) * | 2016-06-21 | 2019-01-15 | 中国科学院福建物质结构研究所 | 一种固体酸催化剂及其制备方法和应用 |
CN106622350B (zh) * | 2016-12-27 | 2019-07-16 | 广东石油化工学院 | 过渡金属改性的硅铝分子筛及其催化酯化制备酯的方法 |
-
2017
- 2017-09-04 CN CN201710786800.4A patent/CN107497446B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101157047A (zh) * | 2007-09-20 | 2008-04-09 | 南京化工职业技术学院 | 一种合成苹果酯固体酸催化剂及其制备方法与应用 |
CN104801311A (zh) * | 2015-04-23 | 2015-07-29 | 三明学院 | MoO3/NiO/TiO2固体酸催化剂及其制备方法 |
Non-Patent Citations (1)
Title |
---|
"负载型 MoO3催化剂的结构与催化酯化性能研究";杜长海等;《精细化工》;20100815;第27卷(第8期);第779-783页 * |
Also Published As
Publication number | Publication date |
---|---|
CN107497446A (zh) | 2017-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104496819B (zh) | 一种废弃资源回收利用制备环保增塑剂的方法 | |
CN102816061A (zh) | 一种以煤为原料同时制备均苯四甲酸和对苯二甲酸的方法 | |
CN101318880B (zh) | 一种冰片的绿色合成工艺 | |
CN109748778A (zh) | 生产1,6-己二醇的方法 | |
CN101698639A (zh) | 从多元醇副产粗甲酸钠中回收甲酸钠产品的方法 | |
CN108043456B (zh) | 一种多酸类离子液体催化剂、制备方法及用其催化乙酸环己酯水解制备环己醇的方法 | |
CN111170829B (zh) | 一种六甲基茚满醇的制备方法 | |
CN110078601A (zh) | 多金属氧酸盐高效催化对二甲苯制备对甲基苯甲醛的方法 | |
CN107497446B (zh) | 一种合成混苯二甲酸二辛酯用固体酸催化剂的制备方法 | |
CN102030625B (zh) | 一种香兰素合成的方法 | |
CN102557908A (zh) | 2-(环己-1'-烯基)环己酮的制备方法 | |
CN105693475B (zh) | 一种固体酸H2SO4‑SiO2催化制备双酚芴的工艺方法 | |
CN102259008B (zh) | 一种用于酯化反应的固体酸催化剂及其制备方法 | |
CN104307558B (zh) | 一种催化丙糖异构化为乳酸和乳酸酯的催化剂及其制备方法和应用 | |
CN104014338B (zh) | 固体碱载体稀金属元素催化剂及制备方法 | |
CN102633644A (zh) | 三氟乙酰乙酸乙酯的一种合成工艺 | |
CN101613309A (zh) | 巯基乙酸异辛酯的制备方法 | |
CN110922328B (zh) | 一种异辛酸粗产品中重组分的处理方法 | |
CN102659698A (zh) | 一种苯并三唑类化合物的合成方法 | |
CN107952479B (zh) | 一种功能化多酸类离子液体催化剂、制备方法及用其催化环己烯直接酯化的方法 | |
CN103450015A (zh) | 一种柠檬酸三丁酯的合成方法 | |
CN110330428B (zh) | 制备邻苯二甲酸二异丁酯的方法 | |
CN109851509B (zh) | 一种4,4′-二氨基二苯甲烷的制备方法 | |
CN109569595B (zh) | 一种苯选择加氢制环己烯Ru催化体系及其制备方法和应用 | |
CN109369325A (zh) | 一种环辛烷无催化剂氧化新方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |