10 Ways to Convert Waste to Energy 

Page 3 of 10

(DC Water) The District of Columbia Water and Sewer Authority (DC Water) is retrofitting their Blue Plains Advanced Wastewater Treatment Plant to use thermal hydrolysis for wastewater treatment. When construction is finished in 2014, it will be the largest thermal hydrolysis plant in the world.

3) Thermal Hydrolysis
Garbage gets boiled to generate a biogas, then used to produce electricity. The good news about thermal hydrolysis is that it rids the sludge of pathogens in the process, and it's often used as a precursor to anaerobic digestion.

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