R Sheldon 1992 E-factor = mass waste / mass product; pharma 25-100, fine-chem 5-50, bulk 1-5, oil-refining <0.1; benchmark sustainability metric.
R Sheldon 1992 E-factor = mass waste / mass product; pharma 25-100, fine-chem 5-50, bulk 1-5, oil-refining <0.1; benchmark sustainability metric.