It was interesting to see thermal hydrolysis being researched at Washington State University being presented as a new and novel process (TPO, July 2023, Sustainable Operations, “Getting More from Digestion”).
There are many thermal hydrolysis pretreatment (THP) processes on the market, most notably Cambi, but including other names such as PONDUS, Lystek, and Terranova. Cambi has been used extensively in Europe and now is used in many plants in the U.S. including Washington, D.C. I did not see what is new with this research.Research on thermal pretreatment goes back many years. In the 1970s and 1980s Roger Haug with Los Angeles
