Third Generation Bioethanol Production from Chaetomorpha sp. isolated from Pulau Seribu Seawater using Acid Pretreatment

Sepwin Nosten Sitompul; Wafa Maftuhin

doi:10.20884/1.mib.2020.37.3.1143

Third Generation Bioethanol Production from Chaetomorpha sp. isolated from Pulau Seribu Seawater using Acid Pretreatment

Sepwin Nosten Sitompul⁽¹⁾

, Wafa Maftuhin⁽²⁾

⁽¹⁾ Universitas Sampoerna
⁽²⁾ Department of Applied Physics, Sampoerna University

DOI: 10.20884/1.mib.2020.37.3.1143

Abstrak

Currently, the primary source of energy based on fossil fuel, thus promoting both the excessive use of fossil fuel and global warming. Bioethanol provides sustainable energy and serves to reduce the dependence on using fossil fuel. Third-generation bioethanol production from macroalgae provides alternative green energy. To observe the potency of biofuel resources of Chaetomorpha sp. isolated from Pulau Seribu Seawater, the effect of the acid pretreatment was evaluated by using two different acids (H₂SO₄) concentrations. Powdered Chaetomorpha sp. was prepared, followed by acid pretreatment using H₂SO₄ 1% and 2% (v/v). After 72 hours of fermentation, 1% H₂SO₄ pretreatment produced 0.026 % of the ethanol from 3 grams of Chaetomorpha sp., whereas pretreatment with H₂SO₄ 2% did not produce bioethanol.

Kata Kunci

acid pretreatment, bioethanol, Chaetomorpha, macroalgae

Teks Lengkap:

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Referensi

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