Scholarlink

To move toward a new energy pool with low-carbon emissions, it is necessary to gradually substitute fossil fuels with cleaner sources of energy and biofuels. In this analysis, the environmental life cycle assessment of palm oil (PO) (first generation)-, used cooking oil (UCO) (second generation)-, and microalgae (third generation)-based biodiesel production is compared. The functional unit is per kg of biodiesel produced. The system boundary is from cradle to gate. SimaPro v9.4 is used for the analysis using Ecoinvent v3.6 database. IMPACT 2002+ method is utilized for impact assessment. The research shows that the first-generation biofuel (palm oil) has more greenhouse gas (GHG) emissions than second-generation (UCO) biofuel, 5.35 kg CO2 eq., and 0.73 kg CO2 eq., respectively. The third-generation biofuel has the highest GHG emission, 5.47 kg CO2 eq. However, there was an increase in acidification for the PO biodiesel (20%) compared to microalgae biodiesel. This indicates that the decisions when defining the system boundary and functional units are sensitive to a set of variables.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Comparative Life Cycle Assessment of Palm Oil-, UCO-, and Microalgae-Based Biodiesel Production

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Kulvendra Patel,
  • S. K. Singh

摘要

To move toward a new energy pool with low-carbon emissions, it is necessary to gradually substitute fossil fuels with cleaner sources of energy and biofuels. In this analysis, the environmental life cycle assessment of palm oil (PO) (first generation)-, used cooking oil (UCO) (second generation)-, and microalgae (third generation)-based biodiesel production is compared. The functional unit is per kg of biodiesel produced. The system boundary is from cradle to gate. SimaPro v9.4 is used for the analysis using Ecoinvent v3.6 database. IMPACT 2002+ method is utilized for impact assessment. The research shows that the first-generation biofuel (palm oil) has more greenhouse gas (GHG) emissions than second-generation (UCO) biofuel, 5.35 kg CO2 eq., and 0.73 kg CO2 eq., respectively. The third-generation biofuel has the highest GHG emission, 5.47 kg CO2 eq. However, there was an increase in acidification for the PO biodiesel (20%) compared to microalgae biodiesel. This indicates that the decisions when defining the system boundary and functional units are sensitive to a set of variables.