ライフサイエンスコーパス: zeolite

1 exchange resins, sulfated oxides, and acidic zeolites).

2 ctly comparing Fe and Mo supported on HZSM-5 zeolite.

3 ization (MDA) best so far is Mo supported on zeolite.

4 are, highly accessible, catalytically active zeolite.

5 be more broadly applicable to other layered zeolites.

6 g the partial oxidation properties of copper zeolites.

7 es and at the surface of solid acids such as zeolites.

8 rk attempts to introduce CsPbBr(3) into five zeolites.

9 ings of l- and d-lysine (Lys) in achiral MFI zeolites.

10 the structural complexity of aluminosilicate zeolites.

11 etworks in defect-functionalized microporous zeolites.

12 5 degrees ) to mimic the geometry in natural zeolites.

13 hydrated Cu ions within the cages of SSZ-13 zeolites.

14 ity are characteristics that are shared with zeolites.

15 ed on five different, commercially available zeolites.

16 the lateral size and surface curvature of 2D zeolites.

17 aching that of phosphoric acid on all-silica zeolites.

18 lity, AAS will be a potential alternative to zeolites.

19 haring six-membered rings of chabazite (CHA) zeolites.

20 on, which takes advantage of weak bonding in zeolites.

21 norganic hybrid materials, 2D materials, and zeolites.

22 mechanisms of two-dimensional (2D) growth of zeolite A where we show that layer nucleation from surfa

23 e atoms to clusters and to nanoparticles) in zeolites allows expanding the set of reactions catalyzed

24 eaction via IR measurements on Rh cations on zeolite and ceria.

25 this process, porous composites composed of zeolite and clay crack the heavy fractions in crude oil

26 voir water was filtered through a mixture of zeolite and coarse, sand-sized crystalline quartz.

27 en the organic part of the molecules and the zeolite and favoring the interactions with polar groups.

28 sample contained only montmorillonite, while zeolite and other phases were present in the 200 degrees

29 rous MOFs, which in contrast to conventional zeolites and activated carbons show great prospects for

30 ith better performance than state-of-the-art zeolites and amorphous aluminosilicates.

31 We posit that the formation of zeolites and clays hydrothermally altered at 200 degrees

32 rs, and porous solid-state materials such as zeolites and metal-organic frameworks (MOFs), is general

33 in hydrophobic microporous materials such as zeolites and MOFs, a field of research that has emerged

34 hich led to the revolutionary discoveries of zeolites and MOFs.

35 Zeolites and rigid MOFs have widespread applications in

36 Conventional adsorbents, namely zeolites and silica gel, are often used to control humid

37 hich possesses Bronsted acidic sites like in zeolites and textural properties like ASAs.

38 within microporous voids of chabazite (CHA) zeolites and to rationalize the effects of SDA siting on

39 The catalytic sites of acidic zeolite are profoundly altered by the presence of water

40 Increasingly, zeolites are being considered for applications under mil

41 where some of the most industrially relevant zeolites are found.

42 Zeolites are microporous materials driving industrial sc

43 Hydrophobic zeolites are nanoporous materials that are attracting an

44 Among these, copper and iron zeolites are remarkably reactive, hydroxylating methane

45 Zeolites are three-dimensional aluminosilicates having u

46 Aluminosilicate zeolites are traditionally used in high-temperature appl

47 Herein we show that Hf-containing zeolites are unique catalysts for this reaction, enablin

48 Zeolites are widely applied supports for metal catalysts

49 Herein we demonstrate DD3R zeolite as a benchmark membrane material for CO(2) /Xe s

50 inct collective behaviors, but so far, using zeolites as a colloidal building block to construct orde

51 ogies and for Na-exchanged (i.e., nonacidic) zeolites, as well as their protonic forms, confirming th

52 ating the approach for l- and d-Lys over MFI zeolites at an atomistic resolution, the differential ad

53 orous materials and increasing the number of zeolites available for future applications.

54 r remediation technology, comprising first a zeolite-based adsorption step followed by a step for pho

55 ovide guidance for developing more efficient zeolite-based catalysts for existing and new application

56 ture and local properties of active sites in zeolite-based catalysts, with a special focus on novel e

57 minary computational screening of innovative zeolite-based materials for energy storage, desalination

58 ores is still desirable to rationally design zeolite-based materials with tailored properties.

59 ane at room temperature, including oxide and zeolite-based materials, indicates that a different chem

60 ent a novel class of functional colloids and zeolite-based photonic crystals with the ability to mani

61 olite MFI having pores smaller than those of zeolite BEA for dehydration of secondary alkanols, 3-hep

62 The higher activities in zeolites BEA and FAU than in water are caused by more po

63 ecomposition over a series of Ti-substituted zeolite *BEA (Ti-BEA) that encompasses a wide range of d

64 d Ta) transition metals are substituted into zeolite *BEA, the metals that form stronger Lewis acids

65 the stabilization energy of the OSDA inside zeolite beta with a neural network prediction.

66 comparable to or better than known OSDAs for zeolite beta, and greatly expanding our previous list of

67 ules are localized at some of the defects in zeolite Beta, which include catalytic sites such as fram

68 t that these OSDAs will lead to syntheses of zeolite beta.

69 ganic structure directing agents (OSDAs) for zeolite beta.

70 MR spectroscopy shows water interacting with zeolite Bronsted acid sites, converting them to hydrated

71 regular porous nanomaterials (such as MOFs, zeolites) but also extended to irregular porous nanomate

72 control the pore interior of faujasite (FAU) zeolites by the confinement of isolated open nickel(II)

73 shows that postsynthetically modified ZSM-5 zeolites, by incorporation of extra-framework alkaline-e

74 Results showed that aluminosilicate zeolites can be used for the synthesis of lactose esters

75 Superheated steam treatment of hierarchical zeolites can be used to alter nanosheet morphology and r

76 Copper-exchanged zeolites can continuously and selectively catalyze the p

77 e the role of internal diffusion barriers in zeolite catalysis.

78 erentially in certain framework sites in the zeolite catalyst Al-SSZ-70.

79 nsight into the nature of the supramolecular zeolite catalyst for methanol conversion which can be me

80 ghest magnetic field strength data on active zeolite catalyst structures to date and enable for the f

81 hydrocarbons and water over a metal-modified zeolite catalyst.

82 ion and reaction properties of heterogeneous zeolite catalysts (e.g. for catalytic cracking of petrol

83 Prior studies of 2D zeolite catalysts demonstrated enhanced mass transport f

84 tes with hydroxyl groups can exist in acidic zeolite catalysts in their dehydrated and catalytically

85 confined within hydrophobic and hydrophilic zeolite catalysts modify reaction free energy landscapes

86 n preparation strategies for designing metal-zeolite catalysts, especially those offering control ove

87 ies for epoxidation (and other reactions) in zeolite catalysts.

88 f coke accumulation in industrially-relevant zeolite catalysts.

89 Here, we show that covalent bonds in the zeolite chabazite (CHA) are labile when in contact with

90 work, and physisorbed probe molecules in the zeolite channels.

91 The clay and zeolite colloids produced in these experiments are simil

92 demonstrate the ability for all of the drug-zeolite combinations investigated to achieve prolonged r

93 d opportunities in terms of the synthesis of zeolite-confined noble metals and their applications to

94 The beauty of zeolite-confined noble metals lies in their unique confi

95 review, the confined synthesis strategies of zeolite-confined noble metals will be briefly discussed,

96 The confined catalysis carried on zeolite-confined noble metals will be summarized, and gr

97 Overall, we show that the positive impact of zeolite confinements results from the stabilization of t

98 Hydrophobic Beta zeolites containing framework Sn atoms catalyze the tran

99 Zeolites containing odd numbered channel sizes are rare,

100 lizing porous catalysts composed of clay and zeolite, converts heavy crude-oil fractions into transpo

101 to develop advanced porous materials such as zeolites, coordination frameworks, and organic polymers

102 However, methods to control zeolite crystal growth with nanometer precision are stil

103 fusion and their spatial distribution in the zeolite crystal may have a significant effect on the pro

104 mechanism with the atomistic details of the zeolite crystal, such as defects concentration, distribu

105 s crucial for tailoring two-dimensional (2D) zeolites (crystallites with thickness less than two unit

106 ixtures of organic and inorganic SDAs during zeolite crystallization in order to more efficiently use

107 Differentiating mechanisms of zeolite crystallization is challenging owing to the vast

108 Zeolite crystallization predominantly occurs by nonclass

109 highlights the prevalent role of defects in zeolite crystallization.

110 In contrast, CHA zeolites crystallized using mixtures of TMAda(+) and K(+

111 CHA zeolites crystallized using mixtures of TMAda(+) and Na(

112 s Cu ion distributions in Cu-exchanged ZSM-5 zeolite crystals during the deoxygenation of nitrogen ox

113 Platinum particles within the zeolite crystals impose pronounced diffusion limitations

114 ochannels could be created by assembling NaA zeolite crystals into a continuous, defect-free separati

115 the fixation of Pd nanoparticles inside Beta zeolite crystals to form a defined structure (Pd@Beta).

116 d alloy nanoparticles within aluminosilicate zeolite crystals, followed by modification of the extern

117 be sterically controlled through the use of zeolite crystals, which enhances the product selectivity

118 or catalysts with narrow micropores or large zeolite crystals.

119 d either on the alumina binder or inside the zeolite crystals.

120 catalysts with platinum particles inside the zeolite crystals.

121 is also 2 orders of magnitude higher than in zeolites currently used in industrial scrubbers.

122 or a surface-stabilized hydroxonium ion in a zeolite, data suggest that the signal does not arise fro

123 A new catalytically active zeolite, designated EMM-17 (ExxonMobil Material-17), wit

124 on the SAPO was more stable than that on the zeolite during operation in a flow reactor.

125 into the role of structural inhomogeneity in zeolites during catalysis and will assist the future des

126 ) approaches for isomorphous substitution in zeolites enabling control over the type (Bronsted, Lewis

127 ides a concept for the synthesis of targeted zeolites, especially those which may not be feasible by

128 Luminescent zeolites exchanged with two distinct and interacted emis

129 Phosphorus-modified all-silica zeolites exhibit activity and selectivity in certain Bro

130 ential uses, so a strong drive to create new zeolites exists.

131 The potential of microporous zeolites FAU and BEA, and mesoporous MCM-41, for prolong

132 arge alpha cages, which are highly desirable zeolite features.

133 Highly b-oriented, closely packed, MFI zeolite films are prepared on seeded stainless-steel pla

134 physicochemical properties of the resulting zeolite for applications ranging from separations to cat

135 ole of Bronsted acid and Lewis acid sites in zeolites for the conversion of methanol.

136 ure of the active sites in copper containing zeolites for the selective conversion of methane to meth

137 talysis and will assist the future design of zeolites for their applications.

138 Modifications of the zeolite frame were performed under both acidic and basic

139 ions at low water vapour pressures where the zeolite framework is generally considered to be stable a

140 roatoms at distinct tetrahedral sites in the zeolite framework, which can have a marked impact on cat

141 mild conditions affects the stability of the zeolite framework.

142 ted BO(3) units, fully incorporated into the zeolite framework.

143 through their encapsulation in the voids of zeolite frameworks as well as to the dynamic behaviour o

144 on of the rate and position of enrichment in zeolite frameworks could provide new insight into their

145 The synthesis of two-dimensional (2D) zeolites has garnered attention due to their superior pr

146 emistry of pore interiors of easily scalable zeolites has unlocked their potential in challenging ind

147 (D8R), an elusive secondary building unit of zeolites, has been stabilized for the first time, both i

148 The many structural topologies of zeolites have a variety of potential uses, so a strong d

149 assembly (ADOR) process for the synthesis of zeolites have been studied.

150 Zeolites have unique pore structures of molecular dimens

151 hydronium ions confined in the nanopores of zeolite HBEA catalyse aqueous phase dehydration of cyclo

152 silanol defect content, making the resulting zeolite highly hydrophobic.

153 We report the most siliceous FAU-type zeolite, HOU-3, prepared via a one-step organic-free syn

154 t in the construction of families of related zeolites; however, the connection between structurally d

155 ith those of comparable rhodium complexes on zeolite HY shows that the SAPO- and zeolite-supported co

156 al Al atom and its hydroxyl group protons in zeolite HZSM-5 is clearly resolved at 35.2 T field stren

157 In-situ growth of zeolite imidazolate frameworks (ZIFs) on the surface of

158 The occurrence of zeolite in Corriental reservoir sediments expands our un

159 , highly selective zeolite membranes from 2D zeolites in a technologically scalable manner.

160 Twenty muM PFOS loaded on 0.5 g L(-1) Fe-zeolites in aqueous suspension was degraded up to 99% wi

161 Applications of zeolites in catalysis are plagued by strong diffusion re

162 OF beads are shown to outperform the leading zeolites in water sorption performance, with notably fac

163 energy and geometric characteristics of the zeolite (infiltration model) is then adopted to interpol

164 nfiltration model is combined with the water-zeolite interaction energy computed by simulations to co

165 in the formation of the unusual structure of zeolite IPC-6.

166 Zeolite is a non-toxic, three-dimensionally porous, crys

167 o) atoms into the framework of nanosized MFI zeolite is demonstrated for the first time.

168 A synthetic, fault-free gmelinite (GME) zeolite is prepared using a specific organic structure-d

169 The higher activity of hydronium ions in zeolites is caused by the enhanced association between t

170 Raman spectroscopy of network solids such as zeolites is critical for shedding light on collective vi

171 d functioning of the active sites in working zeolites is emphasized.

172 reased lifetime for methanol conversion over zeolites is obtained.

173 he tetrahedrally coordinated aluminum in the zeolite lattice weaken with the formation of hydronium i

174 and the ability to position such charges in zeolite lattices with increasing precision herald rich c

175 The synthesis of solid acids with strong zeolite-like acidity and textural properties like amorph

176 lar polyhedral compartments of a crystalline zeolite-like hydrogen-bonded framework illustrates a uni

177 Fabrication of zeolite-like metal-organic frameworks (ZMOFs) for advanc

178 kex-MOFs can alternatively be regarded as a zeolite-like MOF (ZMOF) based on the zeolite underlying

179 the highest reported experimental value for zeolite-like MOFs based on MBBs as tetrahedral nodes.

180 secondary building unit, a prerequisite for zeolite-like nets.

181 rein we show that self-assembly of colloidal zeolite LTA superball (ZAS) by tilted-angle sedimentatio

182 Confinement of noble nanometals in a zeolite matrix is a promising way to special types of ca

183 n, we provide a detailed characterization of zeolite MCM-22 isomorphously substituted with boron (B-M

184 ategies for obtaining thin, highly selective zeolite membranes from 2D zeolites in a technologically

185 This endows DD3R zeolite membranes great potential for on-stream CO(2) re

186 usivity selectivity of CO(2) over Xe in DD3R zeolite membranes, whereby rigidity of the zeolite struc

187 talytic biomass conversions over microporous zeolites, mesoporous silicas, and nanostructured metals/

188 , and desiccant materials (e.g., silica gel, zeolite, metal organic frameworks).

189 amine-grafted and amine-impregnated silicas, zeolites, metal-organic frameworks and carbons.

190 r known crystalline porous materials such as zeolites, metal-organic frameworks and covalent organic

191 nd that surface-treated nanoparticles of the zeolite MFI can be incorporated in situ during growth of

192 The higher rates with zeolite MFI having pores smaller than those of zeolite B

193 t structure and function for aluminosilicate zeolite MFI two-dimensional nanosheets before and after

194 For a medium-pore zeolite, such as zeolite MFI, hydrated hydronium ions consist of eight wa

195 ne, a reaction that cannot take place in the zeolite micropores, is observed.

196 C of 0.05 meq NH(4)(+)-N/g media, similar to Zeolite-N (0.06 meq NH(4)(+)-N /g media).

197 4.1 NTU/h, respectively) when compared with Zeolite-N (disintegration rate = 13.2 NTU/h).

198 tegrated after 2 months of operation, whilst Zeolite-N remained stable for 1.5 year.

199 tilolite) and engineered zeolite (reference, Zeolite-N).

200 ZSM-5 zeolite nanoboxes with accessible meso-micro-pore archit

201 thermodynamically favorable interaction with zeolite nanoparticles in a non-cooperative manner.

202 rstanding the interaction of fibrinogen with zeolite nanoparticles in more details could shed light o

203 ial conformational change in the presence of zeolite nanoparticles through a concentration-dependent

204 olecular interactions between fibrinogen and zeolite nanoparticles using both experimental and simula

205 X) is developed by complexing inorganic Zn-X zeolite nanoparticles with Nafion, which shifts ion tran

206 protein corona composition at the surface of zeolite nanoparticles.

207 silicate moieties and the crystallizing MFI zeolite nanosheet framework.

208 The zeolite nanosheet monolayer is formed at the air-water i

209 ckness less than two unit cells) and thicker zeolite nanosheets for applications in separation membra

210 Thin, binder-less zeolite NaX laminates, with thicknesses ranging between

211 D-domain of fibrinogen are bound to the EMT zeolite NPs via strong electrostatic interactions, and u

212 ement (Al-O(-Si-O)(x)-Al, x = 1-3) among CHA zeolites of essentially fixed composition (Si/Al = 15).

213 cision herald rich catalytic diversity among zeolites of varying Al arrangement.

214 ymium(III) oxide nanoparticles, two sizes of zeolites, poly(vinylpolypyrrolidone), and polystyrene mi

215 , these results emphasize the ability of the zeolite pore to regulate the structure of confined nonaq

216 butions of van der Waals interactions within zeolite pore walls from those of pore-phase proton trans

217 by the dimensions of steric confinements of zeolite pores as well as by intraporous intermolecular i

218 frameworks, porous aromatic frameworks, and zeolites, porous molecular materials are relatively unex

219 Cu-exchanged zeolites possess active sites that are able to cleave th

220 Bifunctional catalysis in zeolites possessing both Bronsted and Lewis acid sites o

221 work should focus on the optimization of the zeolite production process (temperature, time and dimens

222 Zeolite reactivity depends on the solvating environments

223 inst natural (clinoptilolite) and engineered zeolite (reference, Zeolite-N).

224 Advances in zeolites research emerging from interdisciplinary effort

225 ach for room-temperature (17)O enrichment of zeolites reveals a surprisingly dynamic and labile frame

226 Of particular interest is the synthesis of a zeolite RHO net with double 8-rings and large alpha cage

227 s can be assigned to tricyclic bridges-three zeolite rings that share a common Si-O-Si bridge.

228 This highlighted the importance of the zeolite's mechanical strength for successful application

229 Each fills the zeolite's supercage with its Pb(2+) ion precisely at the

230 llowed imaging of both the catalyst core and zeolite shell in a single acquisition.

231 It allows the synthesis of new high-silica zeolites (Si/Al >1,000), whose synthesis is considered i

232 zeolite was prepared by rapid ageing of the zeolite sol gel synthesis mixture.

233 This is a key feature of acid catalysis in zeolite solvents, which lack the isotropy of liquid solv

234 High-silica zeolites, some of the most important and widely used cat

235 gent that is known to produce the large-pore zeolite SSZ-26 (CON).

236 The high-silica zeolite SSZ-27 was synthesized using one of the isomers

237 ted on the internal pore surface of calcined zeolite SSZ-70.

238 As with all zeolites, strategies to tailor them for specific applica

239 his process enables the conversion of one 2D zeolite structure into another distinct structure, thus

240 R zeolite membranes, whereby rigidity of the zeolite structure plays a key role.

241 te with the channels and cages of the target zeolite structure.

242 However, a small subset of zeolite structures exist as naturally layered materials

243 zeolite systems and predict a series of new zeolite structures that would be synthetically feasible.

244 ers of simulated and experimentally feasible zeolite structures, several alternative strategies have

245 Unlike OSDAs for many new zeolite structures, the OSDAs for EMM-17 are prepared in

246 f the commercially important 10- and 12-ring zeolites such as ZSM-5 and Zeolite-Y, respectively.

247 For a medium-pore zeolite, such as zeolite MFI, hydrated hydronium ions co

248 selective for ethylene hydrogenation and the zeolite-supported catalyst selective for ethylene dimeri

249 lexes on zeolite HY shows that the SAPO- and zeolite-supported complexes are isostructural, providing

250 e classes of microporous materials: trapdoor zeolites, supramolecular host calixarenes and metal-orga

251 study, we provide unprecedented insight into zeolite surface growth by molecule addition through time

252 us colloidal particles is ubiquitous in many zeolite syntheses, and has led to extensive efforts to u

253 We report a systematic zeolite synthesis, spectroscopy, and periodic DFT study

254 he use of dual structure-directing agents in zeolite synthesis.

255 ternative strategies have been developed for zeolite synthesis.

256 We apply this approach to several other zeolite systems and predict a series of new zeolite stru

257 tacle that theoretically limits the types of zeolites that can be constructed from each layer.

258 In this study, we selected a common layered zeolite, the MWW framework, to explore methods of prepar

259 d into the silanol nests of dealuminated BEA zeolite to produce Zn-DeAlBEA and Y-DeAlBEA.

260 such as hydrophilicity and hydrophobicity of zeolites to specific interactions on molecular level.

261 and periodic DFT study of several all-silica zeolites to test this assumption and to determine the fu

262 family of indium oxalate salts with multiple zeolite topologies, including RHO, GIS, and ABW.

263 Merlinoite zeolite (topology type MER) with Si/Al = 3.8 has been pr

264 alate salts are known, few are known to form zeolite-type topologies.

265 of using linear ligands for the synthesis of zeolite types by reporting a family of indium oxalate sa

266 The construction of zeolite types, especially those with low framework densi

267 after adsorption on mum-sized Fe(III)-loaded zeolites under ambient conditions with oxygen (O(2)) as

268 ed as a zeolite-like MOF (ZMOF) based on the zeolite underlying topology afx, by considering the dode

269 The parent MFI zeolite was prepared by rapid ageing of the zeolite sol

270 Commercial aluminosilicate zeolite was used as a catalyst.

271 Evidence for the oldest known zeolite water purification filtration system occurs in t

272 oping the protocol, germanium-containing UTL zeolites were subjected to hydrolysis conditions using b

273 m and 1,2-hexanediol, each yielding distinct zeolites when used alone, results in the cooperative dir

274 d due to the lack of suppliers of engineered zeolites which present high ammonium exchange capacity (

275 stabilized subnanometric Ir clusters in MWW zeolite, which are located at the 10MR window connecting

276 ch as carbon materials, gamma-Al(2)O(3), and zeolite, which is vital to their practical applications,

277 rmed example of a 3D 11-ring aluminosilicate zeolite with a pore size in between those of the commerc

278 during calcination) to obtain an engineered zeolite with a spherical shape thus reducing eventual sh

279 sport strategy for the transformation of IWW zeolite with low-density silica layers connected by labi

280 modification of the external surface of the zeolite with organosilanes.

281 Rational design of parent zeolites with concentrated and non-protective coordinati

282 tigate water infiltration in hydrophobic MFI zeolites with different concentration of hydrophilic def

283 nocrystalline, and hierarchical (mesoporous) zeolites with enhanced pore accessibility.

284 Zeolites with flexible structures that adapt to coordina

285 (ii) maximizing Cu dimer formation by using zeolites with high Al content and low Cu loadings.

286 However, targeted synthesis of zeolites with new pore structures and compositions remai

287 eading to anisotropic epitaxial growth of 2D zeolites with rates as low as few nanometers per day.

288 -intrusively measure the catalytically coked zeolites with sample full body penetration.

289 e method was developed to convert parent MFI zeolites with tetrahedral extra-framework Al into Al-enr

290 The benefits in catalysis provided by such zeolites with tuned acidity and improved accessibility a

291 The zeolite X product, Pb,Br,H,Cs,Na-X, shows superior stabi

292 ported for any of the CsPbBr(3) NCs, and for zeolite Y and the various mesoporous materials treated w

293 that Yb(3+) would preferably enter into the zeolite-Y pores and introduction of Mn(2+) would cause a

294 t 10- and 12-ring zeolites such as ZSM-5 and Zeolite-Y, respectively.

295 the preparation and evaluation of synthetic zeolites (Zeolite1-6) by measuring AEC and resistance to

296 Among the synthetic zeolites, Zeolite3 and 6 showed higher resistance to att

297 case of ammonia diffusion into a commercial zeolite ZSM-5.

298 species on enriched aromatics production in zeolite ZSM-5.

299 onal catalysts consisting of one-dimensional zeolites (ZSM-22 and mordenite) and a gamma-alumina bind

300 formance of the silicon-rich and inexpensive zeolite, ZSM-5, and its modified versions were compared