CN105688981B - 一种改性sapo‑34分子筛催化剂的制备方法 - Google Patents
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- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 239000003054 catalyst Substances 0.000 title claims abstract description 25
- 241000269350 Anura Species 0.000 title abstract 6
- 239000010949 copper Substances 0.000 claims abstract description 48
- 238000007598 dipping method Methods 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001257 hydrogen Substances 0.000 claims abstract description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 9
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 9
- 239000011630 iodine Substances 0.000 claims abstract description 9
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims abstract 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 5
- ADDQUOLYROTOKS-UHFFFAOYSA-N iodomethanol Chemical group OCI ADDQUOLYROTOKS-UHFFFAOYSA-N 0.000 claims description 3
- OKJPEAGHQZHRQV-UHFFFAOYSA-N Triiodomethane Natural products IC(I)I OKJPEAGHQZHRQV-UHFFFAOYSA-N 0.000 claims description 2
- QFWPJPIVLCBXFJ-UHFFFAOYSA-N glymidine Chemical compound N1=CC(OCCOC)=CN=C1NS(=O)(=O)C1=CC=CC=C1 QFWPJPIVLCBXFJ-UHFFFAOYSA-N 0.000 claims description 2
- 229940071870 hydroiodic acid Drugs 0.000 claims description 2
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims description 2
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims 3
- 238000002386 leaching Methods 0.000 claims 1
- 235000009518 sodium iodide Nutrition 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 39
- 238000006243 chemical reaction Methods 0.000 abstract description 26
- 150000001336 alkenes Chemical class 0.000 abstract description 9
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract description 8
- 241000894007 species Species 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 4
- WXYNCCWBUXKSBG-UHFFFAOYSA-N copper;nitric acid Chemical compound [Cu].O[N+]([O-])=O WXYNCCWBUXKSBG-UHFFFAOYSA-N 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005915 ammonolysis reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- HBOONBGBLYQRRY-UHFFFAOYSA-N dichloromethane;iodine Chemical compound [I].ClCCl HBOONBGBLYQRRY-UHFFFAOYSA-N 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910001387 inorganic aluminate Inorganic materials 0.000 description 1
- 229910052909 inorganic silicate Inorganic materials 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-N iodic acid Chemical compound OI(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-N 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- JLKDVMWYMMLWTI-UHFFFAOYSA-M potassium iodate Chemical compound [K+].[O-]I(=O)=O JLKDVMWYMMLWTI-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 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
- B01J29/82—Phosphates
- B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
- B01J29/85—Silicoaluminophosphates [SAPO compounds]
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- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/14—After treatment, characterised by the effect to be obtained to alter the inside of the molecular sieve channels
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- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
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Abstract
本发明公开了一种改性SAPO‑34分子筛催化剂的制备方法,包括以下步骤:(1)Cu/SAPO‑34分子筛的改性制备:采用等体积浸渍法,按铜负载量1‑12wt.%将硝酸铜溶液与SAPO‑34分子筛混合均匀,常温浸渍2‑12h,于50‑120℃烘干至恒重,550℃焙烧2h后再于氢气气氛中200‑400℃还原焙烧2‑6h,后冷却至室温;(2)I‑Cu/SAPO‑34分子筛的改性制备:采用等体积浸渍法,按负载量1‑12 wt.%将含碘物种溶液与步骤(1)制得Cu/SAPO‑34分子筛混合均匀,先常温超声浸渍10‑30min,后常规浸渍2‑12h,于50‑105℃烘干至恒重。本发明能提高甲醇低温转化率和低碳烯烃选择性,使用寿命长。
Description
技术领域
本发明属化工技术领域,具体涉及一种改性SAPO-34分子筛催化剂的制备方法。
背景技术
SAPO-34分子筛是由SiO4、AlO4、PO4三种四面体单元组成,且具有椭圆形笼和三维交叉孔道结构的菱沸石型微孔分子筛。因其具有水热稳定性良好、比表面积大和择形催化功能强等特点,尤其是独特的笼形结构表现出较高的低碳烯烃选择性,已被广泛应用于煤基甲醇制取低碳烯烃(MTO)技术工艺。
由于SAPO-34分子筛孔道较小,且独特笼形结构极易形成大量积炭,致使催化剂失活快、寿命短。目前,主要采取各类金属元素浸渍或掺杂、高温水蒸气或高温氮化改性等方法对SAPO-34分子筛进行修饰。在目前认为比较适宜的甲醇制低碳烯烃(MTO)工艺反应温度(430-550℃)下,这些改性研究工作对提高催化剂寿命收效甚微。大量研究表明,反应温度对积炭影响巨大,SAPO-34分子筛笼内积炭量随反应温度升高呈指数规律增加。因此,较高反应温度不仅增加产品单位能耗,还会加速积炭形成,造成催化剂快速失活而需频繁再生,产品生产成本进一步增加。可见,现有MTO工艺存在反应温度较高致使产品单位能耗高、催化剂易积碳失活及需频繁再生等不足。由于反应温度对甲醇转化率影响显著,通过降低反应温度的途径减少产品单位能耗,必须解决如何提高甲醇低温转化率的关键问题。
发明内容
本发明的目的在于克服上述缺点而提供一种能提高甲醇低温转化率和低碳烯烃选择性,使用寿命长的改性SAPO-34分子筛催化剂的制备方法。
本发明的目的是通过下述技术方案实现的。
本发明的一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量1-12wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍2-12h,于50-120℃烘干至恒重,550℃焙烧2h后再于氢气气氛中200-400℃还原焙烧2-6h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按负载量1-12 wt.%将含碘物种溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍10-30min,后常规浸渍2-12h,于50-105℃烘干至恒重。
其中:所述含碘物种溶液为碘-甲醇溶液、氢碘酸溶液、碘酸溶液、碘甲烷溶液、碘化钠溶液或碘化钾溶液。
本发明与现有技术相比,具有明显的有益效果,从以上技术方案可知:一方面Cu原子可对SAPO-34分子筛表面酸性质和孔道结构进行调控,更为重要的是Cu原子表面化学吸附碘物种后可对SAPO-34分子筛进行电荷修饰,协同调控表面化学反应活性酸中心种类和数量,增强催化剂在较低温度下对甲醇的吸附解离能力。即以本发明改性制备的I-Cu/SAPO-34分子筛为催化剂时,在保持较高催化效率的同时大大降低MTO工艺所需反应温度。反应温度降低,使催化剂积炭生成速率下降、单程寿命提高及再生次数降低,最终目标产品生产成本大大下降,实现较温和条件下甲醇转化制低碳烯烃。
以下通过具体实施方式来对本发明作进一步说明。
具体实施方式
实施例1
一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量12 wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍12h,于120℃烘干至恒重,550℃焙烧2h后再于氢气气氛中400℃还原焙烧2h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按负载量12 wt.%将氢碘酸溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍30min,后常规浸渍12h,于105℃烘干至恒重。
改性制得I-Cu/SAPO-34催化剂应用在MTO工艺中(常压下,反应温度:330℃,重时空速:2.4h-1,氮气流速:10ml/min),测得甲醇转化率98%,低碳烯烃选择性91%。
实施例2
一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量1 wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍2h,于50℃烘干至恒重,550℃焙烧2h后再于氢气气氛中200℃还原焙烧6h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按负载量1 wt.%将碘化钾溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍10min,后常规浸渍2h,于50℃烘干至恒重。
改性制得I-Cu/SAPO-34催化剂应用在MTO工艺中(常压下,反应温度:330℃,重时空速:2.4h-1,氮气流速:10ml/min),测得甲醇转化率97%,低碳烯烃选择性86%。
实施例3
一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量1 wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍2h,于50℃烘干至恒重,550℃焙烧2h后再于氢气气氛中200℃还原焙烧6h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按碘物种负载量1 wt.%将碘-甲醇溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍10min,后常规浸渍2h,于50℃烘干至恒重。
改性制得I-Cu/SAPO-34催化剂应用在MTO工艺中(常压下,反应温度:330℃,重时空速:2.4h-1,氮气流速:10ml/min),测得甲醇转化率99%,低碳烯烃选择性87%。
实施例4
一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量1 wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍2h,于50℃烘干至恒重,550℃焙烧2h后再于氢气气氛中200℃还原焙烧6h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按负载量1 wt.%将碘酸溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍10min,后常规浸渍2h,于50℃烘干至恒重。
改性制得I-Cu/SAPO-34催化剂应用在MTO工艺中(常压下,反应温度:330℃,重时空速:2.4h-1,氮气流速:10ml/min),测得甲醇转化率97%,低碳烯烃选择性88%。
实施例5
一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量12 wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍12h,于120℃烘干至恒重,550℃焙烧2h后再于氢气气氛中400℃还原焙烧2h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按负载量12 wt.%将碘甲烷溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍30min,后常规浸渍12h,于105℃烘干至恒重。
改性制得I-Cu/SAPO-34催化剂应用在MTO工艺中(常压下,反应温度:330℃,重时空速:2.4h-1,氮气流速:10ml/min),测得甲醇转化率97%,低碳烯烃选择性90%。
实施例6
一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量12 wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍12h,于120℃烘干至恒重,550℃焙烧2h后再于氢气气氛中400℃还原焙烧2h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按负载量12 wt.%将碘化钠溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍30min,后常规浸渍12h,于105℃烘干至恒重。
改性制得I-Cu/SAPO-34催化剂应用在MTO工艺中(常压下,反应温度:330℃,重时空速:2.4h-1,氮气流速:10ml/min),测得甲醇转化率96%,低碳烯烃选择性85%。
以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,任何未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。
Claims (1)
1.一种改性SAPO-34分子筛催化剂的制备方法,包括以下步骤:
(1)Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按铜负载量1-12wt.%将硝酸铜溶液与SAPO-34分子筛混合均匀,常温浸渍2-12h,于50-120℃烘干至恒重,550℃焙烧2h后再于氢气气氛中200-400℃还原焙烧2-6h,后冷却至室温;
(2)I-Cu/SAPO-34分子筛的改性制备:采用等体积浸渍法,按负载量1-12 wt.%将含碘物种溶液与步骤(1)制得Cu/SAPO-34分子筛混合均匀,先常温超声浸渍10-30min,后常规浸渍2-12h,于50-105℃烘干至恒重;
其中:所述含碘物种溶液为碘-甲醇溶液、氢碘酸溶液、碘酸溶液、碘甲烷溶液、碘化钠溶液或碘化钾溶液。
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Non-Patent Citations (1)
Title |
---|
Conversion of methanol to olefins with HI additive:Thermodynamic analysis and effects of HI on catalytic properties and performance;Ting Li 等;《Chemical Engineering Research and Design》;20151202;第I05卷;第152-161页 * |
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