Waste disposer

A waste disposer for disposing waste having a liquid content, the waste disposer comprising:

• a heater operable to vaporize at least some liquid in the waste;
• a primary dehydrating chamber thermally communicative with the heater and comprising:
• a first waste inlet for receiving the waste,
• a first vapor outlet for exhausting vaporized liquid from the waste heated in the primary dehydrating chamber,
• a drainage outlet for draining free liquid from the waste, and
• a first waste outlet for outputting a partly dehydrated waste from the primary dehydrating chamber;
• a grinding device communicative with the first waste outlet and for grinding the partly dehydrated waste;
• and
• a secondary dehydrating chamber thermally communicative with the heater and comprising:
• a second waste inlet communicative with the grinding device and for receiving a ground partly dehydrated waste,
• a second vapor outlet for exhausting vaporized liquid from the ground partly dehydrated waste heated in the secondary dehydrating chamber, and
• a second waste outlet for outputting a ground further dehydrated waste from the secondary dehydrating chamber;
• wherein the heater comprises a microwave generator and a waveguide connecting the microwave generator to a first microwave inlet on the primary dehydrating chamber and to a second microwave inlet on the secondary dehydrating chamber.