catalyst

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catalyst

noun abettor, activator, active element, accive partisan, active reformer, actuator, agacerie, agent provocateur, agitator, animator, catalytic agent, cause, encourager, excitant, exciter, ferment, force, goad, impeller, impetus, impulse, incentive, incitation, inducement, inspiration, inspirer, instigator, modifying cause, motivating force, motivation, mover, moving spirit, planner, popular ringleader, power, prompter, provocateur, provocation, provocative, spur, stimulant, stimulator, strategist, suggester
See also: stimulus
References in periodicals archive ?
This may have a deleterious effect on the reactants, products, or catalyst, especially when homogeneous catalysts are employed as these are quite moisture sensitive.
Though a delay in catalytic activity at the beginning of the oil palm transesterification reaction with CaO is observed (latency time), the reaction time necessary for reaching specific biodiesel yields is increased when compared with homogeneous catalysts.
Alternatively, to overcome these operational challenges, the use of homogeneous catalysts has been investigated for in situ upgrading of heavy oil.
Biodiesel (methyl ester, ME) produced by transesterification process using homogeneous catalysts requires to be purified by removing impurities and by product (glycerol) via water washing process.
As to the homogeneous catalysts, manganese and nickel in the ionic form did not influence the degradation rate of BA.
Methods for the recovery and recycling of homogeneous catalysts were introduced in a keynote presentation by Walter Leitner (RWTH Aachen, Germany).
Johnson Matthey is a leading manufacturer and supplier of Platinum Group Metal (PGM) heterogeneous and homogeneous catalysts.
Only homogeneous catalysts have proved so highly selective.
Artificial metalloenzymes combine attractive features of both homogeneous catalysts and enzymes, including the possibility to genetically optimize the catalytic performance of new-to-nature organometallic reactions.