Ozonation aided mesophilic biohydrogen production from palm oil mill effluent

2019 ◽  
Vol 44 (11) ◽  
pp. 5182-5188 ◽  
Author(s):  
Pinanong Tanikkul ◽  
Siriorn Booyawanich ◽  
Nipon Pisutpaisal
Keyword(s):  
Palm Oil ◽  
Biohydrogen Production ◽  
Palm Oil Mill Effluent ◽  
Palm Oil Mill

scholarly journals Acclimatization Study for Biohydrogen Production from Palm Oil Mill Effluent (POME) in Continuous-flow System

2018 ◽  
Vol 34 ◽  
pp. 02054 ◽  
Author(s):  
N. Idris ◽  
N.A. Lutpi ◽  
Y. S. Wong ◽  
T.N. Tengku Izhar
Keyword(s):  
Steady State ◽  
Palm Oil ◽  
Continuous Flow ◽  
Flow System ◽  
Oxygen Demand ◽  
Biohydrogen Production ◽  
Palm Oil Mill Effluent ◽  
Continuous Flow System ◽  
Thermophilic Fermentation ◽  
Palm Oil Mill

This research aims to study the acclimatization phase for biohydrogen production from palm oil mill effluent (POME) by adapting the microorganism to the new environment in continuous-flow system of thermophilic bioreactor. The thermophilic fermentation was continuously loaded with 0.4 L/day of raw POME for 35 days to acclimatize the microorganism until a steady state of biohydrogen production was obtained. The significance effect of acclimatization phase on parameter such as pH, microbial growth, chemical oxygen demand (COD), and alkalinity were also studied besides the production of biogas. This study had found that the thermophilic bioreactor reach its steady state with 1960 mL/d of biogas produced, which consist of 894 ppm of hydrogen composition.

Kinetics of Biohydrogen Production from Ozonated Palm Oil Mill Effluent Using C. butyricum and C. acetobutylicum Co-Culture

2012 ◽  
Vol 512-515 ◽  
pp. 1515-1519 ◽  
Author(s):  
Nipon Pisutpaisal ◽  
Saowaluck Hoasagul
Keyword(s):  
Hydrogen Production ◽  
Palm Oil ◽  
Biohydrogen Production ◽  
Palm Oil Mill Effluent ◽  
Batch Reactors ◽  
Fermentation Products ◽  
Ozone Pretreatment ◽  
Palm Oil Mill ◽  
Kinetics Of ◽  
Mesophilic Condition

Kinetics of mesophilic biohydrogen production from ozone-pretreated palm oil mill effluent (POME) using C. butyricum and C. acetobutylicum co-culture was investigated. All experiments were setup in 0.5-L batch reactors under mesophilic condition (37°C), pH 6, and POME concentration of 5,000-30,000 mg COD L-1. At the concentration of 15,000 mg COD L-1, maximum hydrogen production yield for non-ozone pretreated POME and ozone pretreated POME were 318 and 122 mL g-1 CODremoved, respectively. Acetic and butyric acids were dominant fermentation products in liquid phase. Ozone-pretreatment of POME showed no significant improvement on the hydrogen production by the co-culture.

scholarly journals Statistical Optimization of Biohydrogen Production from Palm Oil Mill Effluent by Natural Microflora

2009 ◽  
Vol 3 (1) ◽  
pp. 79-86 ◽  
Author(s):  
Zatilfarihiah Rasdi ◽  
Nor Aini Abdul Rahman ◽  
Suraini Abd-Aziz ◽  
Phang Lai-Yee ◽  
Mohd Zulkhairi ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Palm Oil ◽  
Substrate Concentration ◽  
Oxygen Demand ◽  
Biohydrogen Production ◽  
Palm Oil Mill Effluent ◽  
Optimum Conditions ◽  
Heat Treated ◽  
Natural Microflora ◽  
Palm Oil Mill

In this study, palm oil mill effluent (POME) was used as the substrate for biohydrogen production. Heat-treated POME sludge acclimated with POME incubated at 37°C for 24 hours was used as seed culture. Preliminary screening on the effects of inocula sizes, heat treatment, substrate concentration and pH of incubation by using a factorial design (FD) were conducted under mesophilic condition (37°C) using a serum vial (160 mL). The experimental results from two-level FD showed that pH and Chemical Oxygen Demand (COD) of POME significantly affected biohydrogen production. Optimizations of the specific hydrogen production (Ps) and the hydrogen production rate (Rm) were achieved by using a central composite design (CCD). The maximum Ps of 272 mL H2/g carbohydrate was obtained under optimum conditions of pH 5.75 and substrate concentration of 80 g/L. The maximum Rm of 98 mL H2/h was calculated under the optimum conditions of pH 5.98 and substrate concentration of 80 g/L. The optimized conditions obtained were subjected to a confirmation run and it showed reproducible data with a Ps of 226 mL H2/g carbohydrate and Rm of 72 mL H2/h.

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