Pyrolysis generates a dark liquid named pyrolysis oil, a artificial gas known as syngas, and also a solid residue named biochar. Every one of these components can be utilized for energy. pure - without the need of qualification; utilized informally as (normally pejorative) intensifiers; "an arrant idiot"; "a complete coward"; https://biofuelpelletstove07136.isblog.net/5-tips-about-biofuel-fireplace-you-can-use-today-55418746