The phrase "a key catalyst" is correct and usable in written English.
It can be used to describe something or someone that plays a crucial role in initiating or accelerating a process or change.
Example: "The new policy served as a key catalyst for the company's growth in the competitive market."
Alternatives: "a crucial driver" or "an essential factor".
But Pablo Mastroeni has been a key catalyst as well.
A key catalyst in this move towards local, seasonal ingredients is chef Nigel Haworth.
The spill was a key catalyst for the modern environmental movement.
Alongside Greece, Federal Reserve policy remains a key catalyst for markets.
Property-led urban redevelopment is a key catalyst for this.
"It's a gap that needed to be filled," he adds, "and the magazine is a key catalyst in connecting".
Egypt matters, in a way that tiny Tunisia - key catalyst that it has been in the current wave of protest - does not.
The effort to bring Camarena's torturers to justice in a Los Angeles courtroom, analysts say, was a key legal catalyst for what came to be one of U.S. counter-terrorism's most controversial practices: the "extraordinary rendition" of suspects from foreign lands, outside the purview of international laws or extradition treaties.
A well-known example is ultrastable Y zeolite (USY), a key cracking catalyst used for upgrading high-boiling fractions of petroleum crude, which is prepared by partial destruction of the parent zeolite Y framework.[ 7] This treatment is used to control the framework composition and introduce mesoporosity in order to maximize catalyst productivity and lifetime.
"The abuses by the Associates were the key catalyst for the North Carolina legislation," said Martin Eakes, founder of Self-Help Credit Unonprofitonprofit community lender in Durham, N.C.
"We're convinced that this is the key catalyst to West Side development," said Robert D. Yaro, president of the Regional Plan Association, a supporter of the Moynihan project.
