what is e factor

what is e factor Atom economy E factor are important concepts when designing chemical reactions to ensure sustainability with atom economy in particular a common measure of how green a reaction

This video describes the Green Chemistry metric called E factor Environmental Factor I introduce the concept and do an example of how to calculate the e factor of an organic reaction The first general metric for green chemistry remains one of the most flexible and popular ones Roger A Sheldon s environmental factor E factor can be made as complex and thorough or as simple as desired and useful The E factor of a process is the ratio of the mass of waste per mass of product As examples Sheldon calculated E factors of various industries

what is e factor

what is e factor
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The E factor takes into account waste byproducts leftover reactants solvent losses spent catalysts and catalyst supports and anything else that can be regarded as a The global impact over the last 25 years of the principles of green chemistry and sustainability and the pivotal role of the E factor concept in driving resource efficiency and waste minimisation in the chemical and allied

Abstract The global impact over the last 25 years of the principles of green chemistry and sustainability and the pivotal role of the E factor concept in driving resource efficiency and waste minimisation in the chemical and The e factor is a metric used in green chemistry to measure the environmental efficiency of a chemical process by comparing the mass of waste produced to the mass of product

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The purpose of this perspective is to review the effect that the E Factor concept has had over the last fifteen years on developments in the fine chemical industry and pharmaceutical industry with regard to waste minimisation and to assess In this lesson students will do a simple exercise with M Ms to understand what environmental impact factor E factor is how it applies to chemical processes and how waste from chemical reactions can be reduced by applying the

The environmental E factor and process mass intensity PMI metrics are introduced and thoroughly analyzed As indispensable green metrics widely applied The e factor is a metric used to evaluate the environmental impact of chemical processes specifically in terms of the amount of waste produced relative to the desired product It

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what is e factor - The E factor takes into account waste byproducts leftover reactants solvent losses spent catalysts and catalyst supports and anything else that can be regarded as a