Whats a commonly used product that has benefited from green chemistry?
An improved process designed in 1991 to make the pain reliever ibuprofen is an example of green chemistry. In the original six-step process developed in the 1960s, only 40 percent of the reactant atoms ended up in the product (ibuprofen) and 60 percent ended up in unwanted byproducts or waste. The new process has three steps, and 77 percent of the reactant atoms end up in the ibuprofen. This green process eliminates tons of chemical byproducts every year and reduces by tons the amount of reactants needed to make ibuprofen. A similar process has also been developed for the pharmaceuticals Zoloft and Viagra. What are examples of green chemistry? • Solvents, inks and other chemicals made from plants instead of petroleum. • Plastics made from sustainably grown corn, grasses, and other renewable plants. • Water purification processes that remove chlorinated pollutants, antibiotics, and other contaminants without generating toxic byproducts. • Laundry detergents that inhibit dye transfer whi
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