Results 61 to 70 of about 1,887,958 (350)
Chemical and Process Engineering, 2015 A proper selection of steam reforming catalyst geometry has a direct effect on the efficiency and economy of hydrogen production from natural gas and is a very important technological and engineering issue in terms of process optimisation.
Franczyk Ewelina +4 more
doaj +1 more source
Sensitivity Analysis Based on Progressive LHS Applied to Hydrazine Catalyst Bed Design [PDF]
فصلنامه علوم و فناوری فضایی, 2019 Now, the required samples to achieve the specific precision of sensitivity analysis in design are performed based on trial and error methods. The purpose of this paper is to develop an approach for determining the number of the required sample to achieve
Mohammad N. Meibody +2 more
doaj +1 more source
Modeling a Fluidized-Bed Reactor for the Catalytic Polymerization ff Ethylene: Particle Size Distribution Effects [PDF]
, 2005 Particle size distributions in the output stream of commercial, fluidized-bed reactors for ethylene polymerization are analyzed using a mathematical model.
Chiovetta, Mario Gabriel, Grosso, Walter
core
Thermal Stress Analysis of Ceramic Pellets for Catalysis [PDF]
, 2010 One of the most critical phenomena that limits the lifetime of ceramic catalysts for H2O2 decomposition is represented by substrate break-up as a consequence of thermal shocking.
Cervone, A. +4 more
core +1 more source
Advanced Functional Materials, EarlyView.Controlling the exposed crystal facet of shape‐controlled Au‐Pd core‐shell catalysts though colloidal synthesis enhances their catalytic performance in the industrially relevant selective hydrogenation of butadiene. ABSTRACT Selective hydrogenation of butadiene is a critical step in purification of alkene feedstocks for polymer production and is ...
Marta Perxés Perich +3 more
wiley +1 more source
Nuclear Engineering and TechnologyAfter the severe accident at the Fukushima nuclear power plant, there has been heightened interest in the development of severe accident countermeasures. As part of these efforts, a passive filtration system capable of passive operation during power loss
Hyun Chul Lee +6 more
doaj +1 more source
Raising Distillate Selectivity and Catalyst Life Time in Fischer-Tropsch Synthesis by Using a Novel Dual-Bed Reactor [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2007 In a novel dual bed reactor Fischer-Tropsch synthesis was studied by using two diffrent cobalt catalysts. An alkali-promoted cobalt catalyst was used in the first bed of a fixed-bed reactor followed by a Rutenuim promoted cobalt catalyst in the second ...
Ahmad Tavasoli +3 more
doaj
Advanced Healthcare Materials, EarlyView.A 3D‐printed piezoionic GPMx hydrogel enables stable electromechanical signal generation under mechanical loading, exhibiting long‐term durability and low fatigue. As a bioactive patch, it restores endogenous bioelectricity to stimulate osteogenesis via Ca2+ influx and mitochondrial activation, while simultaneously enabling label‐free alkaline ...
Sayan Deb Dutta +3 more
wiley +1 more source
Comparison of catalyst activity [PDF]
, 1972 Reactions of highly active catalysts are compared by allowing temperature of catalyst bed, initially at 77 K, to increase slowly; marked deviation in smooth warming curve denotes temperature at which detectable reaction occurs.
Jennings, T. J., Voge, H. H.
core +1 more source
Advanced Materials, EarlyView.Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje +7 more
wiley +1 more source