If you make tofu, apparently there are leftovers. (Sometimes when you eat it, too.) This place in Washington that makes tofu found a good way to use the leftovers, rather than just dumping them. The leftovers consist of soybean pulp and tofu whey.
Tofu manufacturer turns waste into energy with a biodigester
"The company [see below] is partnering with the Seattle-based energy company Chomp, which installed what’s called an anaerobic biodigester behind the factory.Since this company is doing such a good thing, I'm featuring them here.
Lukoskie: “Imagine it’s like a compost bin, but it’s enclosed.”
Any type of food waste – in this case, damp soybean pulp and leftover liquid called whey – can be put inside the biodigester’s large sealed tank, where bacteria break it down in an oxygen-free environment.
The process creates fertilizer that can be sold to farmers, as well as renewable biogas that can be used for energy in place of natural gas – a fossil fuel."
Have some!
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