1) ZSM-12 zeolite ZSM-12分子筛1. Shape-selective synthesis of 2,6-dimethylnaphthalene over ZSM-12 zeolite modified by desilication in alkaline medium 碱脱硅改性的ZSM-12分子筛择形催化合成2,6-二甲基萘的研究2. Mesoporous ZSM-12 zeolite was prepared by dual template in-situ method, de...
The seeds provided surface for the crystallization of ZSM-12 zeolite, thereby shortening the induction period. The formation of Si —O —Al bonds in the Si-Al precursor promoted structural rearrangement, and shortened the growth period.Keywords: solvent-free method; rapid synthesis; ZSM-12 zeolite...
(o)nsted acid sites,based on the chemical and physical properties of the ZSM-12 zeolite.%以甲基三乙基溴化铵为模板剂,硅溶胶为硅源,Al2(SO4)3·18H2O为铝源制备了2种不同n(Si) /n(Al)的ZSM-12分子筛.采用XRD、XRF、氮气吸附脱附、吡啶吸附红外光谱、SEM和TEM等表征了合成的分子筛样品.以正癸烷为...
ZEOLITE ZSM 12A method of preparing a zeolite ZSM-12 type crystal which comprises crystallizing substantially pure ZSM-12 from a silica and optionally alumina gel mixture in the presence of a methyltriethylammonium cation, and the ZSM-12 product produced thereby.POCHEN CHU...
碱脱硅改性的ZSM_12分子筛择形催化合成2_6_二甲基萘的研究
Preparation of zeolite zsm-12 Preparation of zeolite ZSM-12Mae Koenig Rubin
The discovery by Taramasso et al.(5), in 1983, of a titanosilicate zeolite with the MFI structure (titanium silicate-1, TS-1), active in oxidation reactions, raised hopes of a similar achievement in the catalysis of oxidation reactions by solids. Since 1983, many titanosilicate molecular siev...
【精品论文】ZSM12分子筛的化学修饰及其催化性能研究[专业:化学工艺]br/化工技术或化学生产技术,指将原料物主要经过化学反应转变为产品的方法和过程, 包括实现这一转变的全部措施。化学生产过程一般地可概括为三个主要步骤:①原料处理。为了使原料符合进行化学反应所要求的状态和规格,根据具体情况,不同的原料需要经过净...
Wittayakun, "Synthesis of zeolite beta with pretreated rice husk silica and its transformation to ZSM-12," Materials Chemistry and Physics, vol. 115, no. 2-3, pp. 637-640, 2009.LOIHA S,PRAYOONPOKARACH S,SONGSIRIRITFIGUN P,et al. Synthesis of zeolite beta with pretreated rice husk ...
Product name:ZSM-48 FCC ZSM-5 ZSM-35 zeolite ZSM-11 ZSM-12 ZSM-22 catalyst;color:White;Appearance:Powder/bar;Volume:1.28g/cm3;Size:100mesh;Ammonia absorption values:More than 120mg;Na2O:≥0.04;Water content:≤1.8%;Specific gravity:1.92 g/cm3;Rate of wear