Already successfully processing 10,000 tons per year, CleanWorld's Sacramento BioDigester will be fully scaled to a 40,000 ton per year system by December, 2013.

Without the biodigester alternative, the city was looking at doubling plant capacity at an estimated cost of $148 million, much more than the higher final cost projections for the biodigestion system.

Grand Rapids Grand Rapids hires firm to design $30M biodigester Updated: Jul. 15, 2017, 3:36 p.m. | Published: Jul. 15, 2017, 2:36 p.m.

The biodigester system, going online Friday on Fruitridge Road, is expected to be the largest such system in the nation when it ramps up to process 40,000 tons of waste per year — or 100 tons ...

Bixby said biodigester systems with pressure-washing equipment cost $35,000 to $125,000, with the more expensive systems at tractor dealers. A business would have to have at least 30 vehicles for ...