Enrichment process of biogas using simultaneous Absorption - Adsorption methods | Zendy

Eny Kusrini | Zendy; Maya Lukita | Zendy; Misri Gozan | Zendy; Bambang Heru Susanto | Zendy; Dedy Alharis Nasution | Zendy; Arif Rahman | Zendy; Cindy Gunawan | Zendy

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Enrichment process of biogas using simultaneous Absorption - Adsorption methods

Author(s) -

Eny Kusrini,

Maya Lukita,

Misri Gozan,

Bambang Heru Susanto,

Dedy Alharis Nasution,

Arif Rahman,

Cindy Gunawan

Publication year - 2017

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4979244

Subject(s) - sorbent , adsorption , clinoptilolite , biogas , zeolite , chemistry , absorption (acoustics) , nuclear chemistry , chitosan , amine gas treating , chromatography , effluent , waste management , chemical engineering , materials science , organic chemistry , catalysis , engineering , composite material

Removal of CO2 in biogas is an essential methods to the purification and upgrading of biogas. Natural Clinoptilolite zeolites were evaluated as sorbents for purification of biogas that produced from palm oil mill effluent (POME) by anerobic-digestion method. The absorption and adsorption experiments were conducted in a fixed-bed two column adsorption unit by simultaneous absorption-adsorption method. The Ca(OH)2 solution with concentration of 0.062 M was used as absorption method. Sorbent for removal of CO2 in biogas have been prepared by modifying of Clinoptilolite zeolites with an acid (HCl, 2M) and alkaline (NaOH, 2M), calcined at 450°C and then coated using chitosan (0.5 w/v%) in order to increase their adsorption capacity. The removal of CO2 in biogas was achieved about ∼83% using 2.5 g of sorbent zeolite (2M)/chitosan dosage for each column, breakthrough time of 30 min, and flow rate of 100 mL/min. Clinoptilolite zeolites with modifications of an acid-alkaline and chitosan (zeolite (2M)/chitosan) ar...

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