石油学报（石油加工）
石油學報（石油加工）
석유학보（석유가공）
ACTA PETROLEI SINICA(PETROLEUM PROCESSING SECTION)
2010年
2期
165-170
,共6页
陈强%王永睿%孙敏%慕旭宏%舒兴田
陳彊%王永睿%孫敏%慕旭宏%舒興田
진강%왕영예%손민%모욱굉%서흥전
IM-5%TNU-9%水热处理%甲苯%烷基化
IM-5%TNU-9%水熱處理%甲苯%烷基化
IM-5%TNU-9%수열처리%갑분%완기화
IM-5%TNU-9%stream treatment%toluene%alkylation
采用水热合成法制备了IM-5和TNU-9分子筛,并采用水蒸气处理法对其进行了改性.采用XRD、BET、TEM、吡啶-IR、~(29)Si、~(27)Al MAS NMR等手段对分子筛的物化性能进行了表征,并考察了分子筛在甲苯甲醇烷基化反应中的催化性能.结果表明,与ZSM-5分子筛相比,IM-5和TNU-9分子筛在甲苯甲醇烷基化反应中具有较高的催化活性,二甲苯选择性高.经水蒸气处理后,ST-H-IM-5和ST-H-TNU-9分子筛的活性有所下降,ST-H-IM-5分子筛的二甲苯选择性高,ST-H-TNU-9分子筛的对二甲苯选择性达到40%左右.
採用水熱閤成法製備瞭IM-5和TNU-9分子篩,併採用水蒸氣處理法對其進行瞭改性.採用XRD、BET、TEM、吡啶-IR、~(29)Si、~(27)Al MAS NMR等手段對分子篩的物化性能進行瞭錶徵,併攷察瞭分子篩在甲苯甲醇烷基化反應中的催化性能.結果錶明,與ZSM-5分子篩相比,IM-5和TNU-9分子篩在甲苯甲醇烷基化反應中具有較高的催化活性,二甲苯選擇性高.經水蒸氣處理後,ST-H-IM-5和ST-H-TNU-9分子篩的活性有所下降,ST-H-IM-5分子篩的二甲苯選擇性高,ST-H-TNU-9分子篩的對二甲苯選擇性達到40%左右.
채용수열합성법제비료IM-5화TNU-9분자사,병채용수증기처리법대기진행료개성.채용XRD、BET、TEM、필정-IR、~(29)Si、~(27)Al MAS NMR등수단대분자사적물화성능진행료표정,병고찰료분자사재갑분갑순완기화반응중적최화성능.결과표명,여ZSM-5분자사상비,IM-5화TNU-9분자사재갑분갑순완기화반응중구유교고적최화활성,이갑분선택성고.경수증기처리후,ST-H-IM-5화ST-H-TNU-9분자사적활성유소하강,ST-H-IM-5분자사적이갑분선택성고,ST-H-TNU-9분자사적대이갑분선택성체도40%좌우.
Zeolites IM-5 and TNU-9 were synthesized by hydrothermal method, and modified with steam treatment, characterized by XRD, BET, TEM, pyridine-IR, ~(29)Si,~(27)Al MAS NMR. The catalytic performances of IM-5 and TNU-9 in toluene alkylation with methanol were investigated. The results showed that, compared with ZSM-5, IM-5 and TNU-9 exhibited higher catalytic activity and xylene selectivity. After steam treatment, the activities of ST-H-IM-5 and ST-H-TNU-9 were decreased, and the xylene selectivity of ST-H-IM-5 was increased, and the p-xylene selectivity of ST-TNU-9 was improved up to 40%.
