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31 The best choice for separating the isomers of chlorotoluene is the adsorption separation by zeolite adsorbents in high efficiency.

32 The most common synthesis technique of zeolite membranes - hydrothermal growthgrowth method, was introduced.

33 The results show that in contrast to phosphoric acid catalyst, the production of cumene on zeolite catalyst exhibits low operating cost, high product yields, high product purity and little corrosion.

34 Zeolite is the general term for zeolite-type minerals. Being rack-shaped, it is a water-containing alkali or a type of alkali soil with metallic aluminosilicate mineral.

35 In this paper, the methylation of biphenyl to 4-methylbiphenyl (4-MBP) over the zeolite catalysts was studied.

36 The formation mechanism of acid sites, mainly the formation mechanism of Bronsted acid sites in HY and REY zeolite as well as Lewis acid sites in matrices and zeolite of FCC catalysts are analyzed.

37 The shapes then further organize into a crystal lattice that resembles a porous structure called zeolite, an absorbent material with many industrial uses. Credit - Michael D.

38 Glucosidation of D-glucose and n-butanol has been successfully carried on different acidic zeolite catalysts, and both butylglucofuranoside and pyranoside were obtained during the reaction.

39 In this paper, the cracking rule of thiophene and short chain alkylthiophenes in decane solution on modified zeolite was studied, under FCC conditions.

40 By changing the proportion of raw materials, different kinds of molecular sieves are obtained, such as those of 4A zeolite, B zeolite, X zeolite ,[http://Sentencedict.com] hydroxy sodalite and their mixtures.

41 A low-cost three-dimensional large pore HY zeolite was used in the liquid phase benzoylation of various aromatics with benzoyl chloride instead of classical homogeneous catalysts.

42 The roasted product of natural zeolite can be used as a deodorizer of refrigerator.

43 The best choice for separating the isomers of dichlorobenzene is the adsorption separation by zeolite adsorbents in high efficiency.

44 The environmental safety effect of nano-sized iron materials including Fe_3O_4, Fe_3O_4-zeolite composite and iron-doped zeolite was studied using a tetrahymena thermophila model.

45 Taking alunite mineral as main raw material, they have synthesized successfully into 4A zeolite mineral bearing better physical and chemical performances.

46 Research and development results are reported for the synthesis of ethyl benzene by benzene alkylation with ethylene on AEB type zeolite catalyst in liquid phase.

47 The protonation of template molecule of tetramethylethylene-diamine( TMEDA) trapped in the channels of zeolite ZSM-35 , ZSM-5 and mordenite was studied by using (13)C CP MAS NMR and chemical analysis.

48 Zeolite powder particles, granular bentonite, silica sand color, water clarifying agent and a variety of ultra-fine powder.

49 The esterification of acetic acid with 1-pentanol on HZSM-5 zeolite was studied.

50 The bismuth molybdate is loaded on the zeolite molecular sieve, thus improving the stability of the bismuth molybdate nano particles.

51 Diatom ooze coating is a kind of interior decoration material with main compositions of diatomaceous earth and zeolite.

52 The catalysts comprise a vinylpyridine polymer and a titanium zeolite.

53 The builder capability of sodium salt of maleic anhydride-acrylic acid copolymer, STPP and 4A zeolite is compared.

54 The antibacterial zeolite was modified by the titanate coupling agent blent with Polypropylene (PP), followed by granulating, and spinning.

55 Applications of 4A zeolite as detergent builder, ion-exchange materials, adsorption-desorption materials, catalyst carrier et al were summarized.

56 The variation of heat of formation and O-H bond lengths with the adsorption distance have been calculated . The results show that there are two active adsorption site on the model zeolite.

57 Pulse micro reactor and a micro activity test were chosen to investigate the cracking reaction difference between catalysts containing different ZSM-5 zeolite crystal sizes.

58 The alkine and K rich volcanic rocks, which are source rocks of zeolite ores, formed in middle late Yanshanian stage, with tectonic dynamic mechanism of compression and left lateral shearing.

59 In accordance with the processing conditions, suitable selection of zeolite and matrix to avoid gasoline overcracking and high coke formation was suggested.

60 Three kinds of iron-based catalysts are prepared by impregnation, they are iron loaded powdered silicon dioxide catalyst, iron loaded L zeolite catalyst and iron loaded silica gel catalyst.