Abstract

After raising more than $350 million last year , the sustainable chemicals company Solugen has raised another $200 million to start building its next factories and expand into new markets. Solugen, one of C&EN’s 10 start-ups to watch in 2018, hopes to use a combination of enzymatic and catalysis manufacturing processes to make cheap, high-performance chemicals without fossil fuels. Solugen’s first factory has been operating in Houston, Texas, for about a year. It produces more than 10,000 metric tons per year of several different molecules from a corn sugar feedstock. The company’s first products were hydrogen peroxide and gluconic acid, which are used in water treatment to prevent calcium phosphate scaling and metal corrosion. More recently, Solugen started selling glucaric acid –made by oxidizing gluconic acid with hydrogen peroxide. Glucaric acid reduces scaling and increases the cleaning power of automatic dishwasher detergents. CEO Gaurab Chakrabarti says the latest round of

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