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- Title
Biohythane production from pineapple peel using Methanosarcina mazei enhanced with palm oil mill effluent (POME) sludge in single‐stage anaerobic digestion.
- Authors
Kopli, Puteri Nur Syazwani Mohd; Hassim, Mimi H.; Asli, Umi Aisah; Wahab, Firdaus Abdul
- Abstract
Biohythane production via single‐stage anaerobic digestion (AD) is an effective way for sustainable energy recovery from lignocellulosic biomass. In this paper, biohythane was produced through the AD process from pineapple peel waste substrate using purely cultured Methanosarcina mazei with the enhancement of palm oil mill effluent (POME) sludge as the inoculum. This study focuses on the effects of the lignocellulosic pre‐treatment method, the addition of POME sludge into M. mazei culture medium as inoculum, and various operational conditions (food to microorganisms (F/M) ratios, temperature, pH) on gas production performances. The experimental results indicate that these parameters influenced the efficiency of biohythane production by producing the peak maximum biohythane production rate values (HPRmax) and (MPRmax), H2:CH4 = 1.93:0.67 L/L‐d, and biohythane yield (HY) and (MY), H2:CH4 = 1.18:0.55 mL/L‐substrate. This study demonstrates that biohythane gas (H2 + CH4 + CO2) production from pineapple waste can be accelerated by M. mazei only with the enhancement of POME sludge through single‐stage AD system under mesophilic batch process conditions.
- Subjects
ANAEROBIC digestion; OIL mills; PINEAPPLE; CLEAN energy; LIGNOCELLULOSE; BATCH processing
- Publication
Environmental Quality Management, 2023, Vol 33, Issue 1, p95
- ISSN
1088-1913
- Publication type
Article
- DOI
10.1002/tqem.22018