Biogenic Hydrogen Conversion of De-Oiled Jatropha Waste via Anaerobic Sequencing Batch Reactor Operation: Process Performance, Microbial Insights, and CO₂ Reduction Efficiency

Table 6

Comparison with other cellulosic materials operated via ASBR operation.

Substrate	Seed source	HRT (h)^a	Hydrogen production index	Reference
POME	Thermoanaerobacterium rich sludge	96	HPR: 6.1 L/L*d, HY: 2.24 moL H2/moL hexose	[37]
Sweet sorghum extract	Indigenous microflora	12	HPR: 3.5 L/L*d, HY: 0.93 moL/moL glucose	[38]
POME	Mixed microflora	72	HPR: 6.7 L/L*d, HY: 0.94 L/g COD	[39]
Water hyacinth	Pig slurry	nr	HPR: 0.2 L/L*d, HY: nr	[40]
DJW	Mixed microflora	36	HPR: 1.48 L/L*d, HY: 8.6 mL/g VS	This study
Tequila vinasse	Anaerobic granular sludge	12	HPR: 2.12 L/L*d, HY: nr	[10]
Food waste	Heat treated sludge	12	HPR: 7.6 L/L*d, HY: 1.12 moL/moL hexose	[41]
Marine algae	Mixed microflora	144	HPR: nr, HY: 0.79 moL/moL hexose	[9]

nr: not reported in the source, ^acalculated from the source.