Biocomposter for co2 in growroom

looking into buying this compost bin that supplies 3 hrs worth of cooking gas a day from kitchen scraps etc. maybe I was smoking some good stuff but I had an idea that this could be used with a co2 burner to supply my 13x12 with free co2...



https://www.kickstarter.com/projects/1846577405/homebiogas-20-transforms-your-food-waste-into-clea?ref=nav_search&utm_source=website&utm_medium=redirect&utm_campaign=redirect&spydro_src=1