claim: We found 68 stations located  at wastewater treatment plants, where the process of waste digestion  causes temperatures to be higher than in surrounding areas.
evidences.evidence_id: Anaerobic digestion:122
evidences.article: Anaerobic digestion
evidences.evidence: Some European countries require a degree of elevated heat treatment to kill harmful bacteria in the input waste.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Anaerobic digestion:291
evidences.article: Anaerobic digestion
evidences.evidence: Today, anaerobic digesters are commonly found alongside farms to reduce nitrogen run-off from manure, or wastewater treatment facilities to reduce the costs of sludge disposal.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO
evidences.evidence_id: Anaerobic digestion:72
evidences.article: Anaerobic digestion
evidences.evidence: Thermophilic digestion takes place optimally around 49 to 57 °C, or at elevated temperatures up to 70 °C, where thermophiles are the primary microorganisms present.
evidences.votes: SUPPORTS SUPPORTS
evidences.evidence_id: Sewage sludge treatment:47
evidences.article: Sewage sludge treatment
evidences.evidence: Many larger sites utilize the biogas for combined heat and power, using the cooling water from the generators to maintain the temperature of the digestion plant at the required 35 ± 3 °C.
evidences.votes: SUPPORTS NOT_ENOUGH_INFO
evidences.evidence_id: Sewage sludge:7
evidences.article: Sewage sludge
evidences.evidence: In some treatment plants an Imhoff tank is used where sludge settles through a slot to the lower story or digestion chamber where it is decomposed by anaerobic bacteria, resulting in liquefaction and reduced volume of the sludge.
evidences.votes: NOT_ENOUGH_INFO NOT_ENOUGH_INFO