| 1. | Knots are incompletely cooked wood chips coming out of the digester.
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| 2. | A single or multiple digesters in sequence may be used.
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| 3. | Anaerobic digesters were originally designed for operation using sewage sludge and manures.
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| 4. | Groups of homes can possible group together to use a digester
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| 5. | The egg-shaped structures house the plant's sludge digesters.
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| 6. | Cow manure has microbes like a digester at home,
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| 7. | Anaerobic digesters help in each of the three areas:
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| 8. | One type of these system is the Sintex Digester.
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| 9. | Farmers can produce biogas from manure from their cattle by using anaerobic digesters.
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| 10. | Some waste heat from the engine is then used to heat the digester.
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