Concurrently, for producing heavy biochar, a rotary kiln has been utilized for filter cake pyrolysis at about 600 °C. The considered configuration included a boiler, a pressure filter, a cooling chamber, and a hydrothermal reactor. The sludge was fed into the first reactor (A) and for diluting the sludge, some water was added (20%).
Read MoreConcurrently, for producing heavy biochar, a rotary kiln has been utilized for filter cake pyrolysis at about 600 °C. The considered configuration included a boiler, a pressure filter, a cooling chamber, and a hydrothermal reactor. The sludge was fed into the first reactor (A) and for diluting the sludge, some water was added (20%).
Read MoreBoiler slag is the agglomerated residues formed in coal-burning facilities; coal combustion furnaces in thermal power stations, for instance. Boiler slag is formed at the base of the furnaces, mainly slag-tap and cyclone types, at temperatures of 1500–1700 °C (2732–3092 °F). The molten slag is collected and quenched with water-forming
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