In HTC, after gaseous products were vented into the atmosphere, the solid residue (biochar) was separated from reactor content by filtration and washed with 100 ml distilled water and then dried at 105 C for 24 h and weighed.
In HTC, after gaseous productswere vented into the atmosphere, the solid residue (biochar)was separated from reactor content by filtration and washedwith 100 ml distilled water and then dried at 105 C for 24 hand weighed.