Influence of Pyrolysis Temperature on Product Distribution and Characteristics of Anaerobic Sludge

Influence of Pyrolysis Temperature on Product Distribution and Characteristics of Anaerobic Sludge

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Pyrolysis Physical Inactivity, Non-Communicable Diseases and National Fitness Plan of China for Physical Activity of anaerobically digested sludge can serve as an efficient biomass for biofuel production.Pyrolysis produces products like char, bio-oil, and combustible gases by thermochemical conversion process.It can be used for sludge treatment that decreases sludge disposal problems.Sludge produced from anaerobic co-digestion (microalgae, cow dung, and paper) waste has high carbon and hydrogen content.

We investigated the candidacy of the anaerobic sludge having high heating value (HHV) of 20.53 MJ/kg as a reliable biomass for biofuels production.The process of pyrolysis was optimized with different temperatures (400, 500, and 600 °C) to produce high quantity and improved quality of the products, mainly bio-oil, char, and gas.The results revealed that with the increase in pyrolysis temperature the quantity of char decreased (81% to 55%), Building a System to People Identification Based on Human Hand Geometry bio-oil increased (3% to 7%), and gas increased (2% to 5%).

The HHV of char (19.2 MJ/kg), bio-oil (28.1 MJ/kg), and gas (18.1 MJ/kg) were predominantly affected by the amount of fixed carbon, hydrocarbons, and volatile substance, respectively.

The study confirmed that the anaerobic sludge is a promising biomass for biofuel production and pyrolysis is an efficient method for its safe disposal.