We can now generate microwaves with solid state devices instead of magnetrons. This is a big deal because solid state microwave generators make extracting hydrogen from waste way more efficient.
And they make a new generation of microwave ovens possible. Ovens can cook an entire meal at once, perfectly.
With solid state microwave generators, we can make a home appliance the size of a dishwasher that turns the trash into electricity to power your home.
Here’s are rough calculations for how much energy could be produced such an appliance.
E_in = 1,000j/s X 90 seconds = 90,000j
hydrogen in plastic = 11%
hydrogen in 300g plastic = 0.11 X 300 = 33g
extracted hydrogen = 0.97 X 33g = 32.01g
hydrogen energy density = 131,000 joules/gram
heat energy = 32.01g X 131,000j/g = 4,193,310j
heat engine efficiency = 40%
mechanical energy = 0.40 X 4,193,310j = 1,677,324j
electric generator efficiency = 92%
electrical energy = 0.92 X 1,677,324j = 1,543,138.08j
E_out = 1,543,138j
E_out/E_in = 1,543,138j / 90,000j = 17.15
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2 май 2024