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Inhibition of patchouli oil for anaerobic digestion and enhancement in methane production using reverse membrane bioreactors

Lukitawesa ; Safarudin ; Ria Millati ; Mohammad J. Taherzadeh ; Claes Niklasson (Institutionen för kemi och kemiteknik, Kemisk reaktionsteknik)
Renewable Energy (0960-1481). (2017)
[Artikel, refereegranskad vetenskaplig]

Abstract Patchouli oil is an essential oil extracted from aromatic crop Pogostemon cablin and is widely used in perfumery industry, food industry, or even as medicine. The leaves have 4.6% oil that is extracted by steam but leaves an enormous amount of wastes with ca 0.8% oil. The fresh patchouli plants and its waste were examined in this study for biogas production. The methane yield of these materials were 86 and 179 NmL CH4/gVS, respectively. The patchouli oil showed antibacterial effect, where with the addition of 0.05, 0.5 and 5 g/l patchouli oil reduced biogas production by 16.2 %. 27.2% and more than 100% after 50 days digestion.

Nyckelord: Methane; Anaerobic digestion; Patchouli biomass; Patchouli oil; Inhibition

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Denna post skapades 2017-08-15.
CPL Pubid: 251145