Now showing items 221-229 of 229
Self-sustained oscillations in a heterrogeneous catalytic reaction: a monte carlo simulation
(Elsevier, 1989)
We have utilized Monte Carlo methods to study the kinetics of a generic heterogeneous catalytic reaction, A+B-->AB. This reaction includes the elementary steps of adsorption and desorption of reactants A and B, surface ...
The role of conduction/valence bands and redox potential in accelerated mineral dissolution
(American Institute of Chemical EngineersWiley Periodiocals, Inc., 1986-10)
The dissolution kinetics of a number of manganese oxides in acidic solutions were studied. Using a slurry reactor, rate laws were determined for each of the manganese oxides in the hydrohalogen acids. Significant variations ...
Molybdenum carbide catalysts for water–gas shift
(Kluwer Academic Publishers-Plenum Publishers; Kluwer Academic Publishers ; Springer Science+Business Media, 2000-12)
Molybdenum carbide (Mo 2 C) was demonstrated to be highly active for the water–gas shift of a synthetic steam reformer exhaust stream. This catalyst was more active than a commercial Cu–Zn–Al shift catalyst under the ...
Hydrodesulfurization over model sulfide cluster-derived catalysts
(Elsevier, 1991)
There is growing interest in the use of organometallic clusters as precursors to model heterogeneous catalysts. This interest is partially derived from the expectation that "solid-state metal complex catalysts" will be ...
Colloidally induced smectitic fines migration: Existence of microquakes
(American Institute of Chemical EngineersWiley Periodiocals, Inc., 1997-03)
The phenomenon of colloidally induced fines migration is a challenge of both scientific and industrial importance. Its occurrence impacts permeability reduction and alteration of flow pathways in porous media, particulate ...
Acid- and base-treated Fe 3+ -TiO 2 -pillared clays for selective catalytic reduction of NO by NH 3
(Kluwer Academic Publishers; Springer Science+Business Media, 1999-03)
Fe 3+ -ion-exchanged delaminated pillared clays (PILCs) have been found previously to be more active than the vanadia-based catalysts for selective catalytic reduction (SCR) of NO by NH 3 . The effects of acid treatment ...
Second-order sonochemical phenomena--extensions of previous work and applications in industrial processing
(Elsevier, 1974)
The first-order properties of acoustic waves (i.e., the to and fro particle displacement and velocity) can produce a number of second-order phenomena: cavitation, acoustic streaming, surface instability and radiation ...
An interactive process flowsheeting and simulation system based on relational data structures
(Elsevier, 1981-12)
An interactive graphical interface has been developed for a modular-sequential steady-state chemical process simulation program. The interface software, called AGPSS (A Graphical Process Simulation System), consists of ...
The toughening of polyamide-6 by brominated poly(isobutylene-co-p-methylstyrene): fracture and toughening mechanisms
(Elsevier, 1993-11)
A study on the toughening of polyamide-6 (PA-6) with a new elastomeric modifier, brominated poly(isobutylene-co-p-methylstyrene) (BrXP-50), was conducted. Morphological analyses and mechanical tests were combined to evaluate ...