The phrase "valuable chemicals" refers to a group of chemical compounds that have high economic value due to their various uses in industries such as pharmaceuticals, agriculture, and manufacturing. Full definition
They must construct elaborate factories to transform raw materials into valuable chemical products. (educationworld.com)
In a series of experiments, they used light to control genetically - modified yeast and increase its output of commercially valuable chemicals. (sciencedaily.com)
«That's a lot of acid whey that right now has to be driven to faraway locations for land application, but we want to produce valuable chemicals from it instead.» (sciencedaily.com)