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首页> 外文期刊>International Journal of Photoenergy >Renewable Energy Integration: Economic Assessment of Solar Energy to Produce Biodiesel at Supercritical Conditions
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Renewable Energy Integration: Economic Assessment of Solar Energy to Produce Biodiesel at Supercritical Conditions

机译：可再生能源集成：太阳能经济评估在超临界条件下生产生物柴油

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In recent years, research on noncatalytic methods for biodiesel production has increased, mainly processes under supercritical conditions that allow the processing of waste vegetable oils (WVO) without the need to use catalysts, where the absence of catalyst simplifies the processes of purification of biodiesel. The high consumption of alcohol and energy to maintain the appropriate conditions of pressure and temperature of the reaction has turned the processes of supercritical conditions into an unfeasible method. However, the stages of biodiesel purification and methanol recovery are more straightforward, allowing the reduction of the total energy consumption by 25% compared to alkaline methods. Therefore, the present work describes a study through Aspen Plus (R) of the production of biodiesel by a process in supercritical conditions with WVO as raw material. Also, a solar collector arrangement was structured using the TRNSYS (R) simulator to supply energy to the process. To evaluate the economic feasibility of the proposed process, the installation of a pilot plant in Mexicali, Baja California, was considered. The internal rate of return (IRR) and the net present value (NPV) were determined for ten-year period. The planned system allows supplying solar energy, 69.5% of the energy required by the process, thus reducing the burning of fossil fuels and the operation cost. Despite the additional investment cost, for the solar collectors, the process manages to maintain a competitive production cost of USD 0.778/1 of biodiesel. With an IRR of 31.7%, the investment is recovered before the fifth year of operation. The integration and implementation of clean technologies are vital in the development of the biofuels.
机译：近年来，对生物柴油生产的非催化方法的研究增加，主要是在超临界条件下的过程，使废植物油（WVO）加工而不需要使用催化剂，其中不存在催化剂简化了生物柴油的纯化过程。保持适当的压力和温度的高饮料和能量的高消耗使得超临界条件的过程变为不可行的方法。然而，与碱性方法相比，生物柴油纯化和甲醇回收的阶段更加直接，允许将总能量消耗降低25％。因此，本作者通过用WVO作为原料的超临界条件下的过程来描述通过AspeN加（R）的生物柴油生产的研究。而且，太阳能收集器装置使用Trnsys（R）模拟器来构造以向该过程提供能量。为评估拟议进程的经济可行性，考虑了在梅克西地区的梅克西地区的试验工厂进行了考虑。确定十年期内返回的内部返回率和净目的值（NPV）。计划系统允许提供太阳能，69.5％的过程所需的能量，从而减少化石燃料的燃烧和运营成本。尽管为太阳能​​收藏家提供了额外的投资成本，但该过程设法维持竞争性生产成本为0.778 / 1的生物柴油。凭借31.7％的意量，投资在第五年之前恢复。干净技术的整合和实施对于生物燃料的开发至关重要。

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    Leon Jose A.; Montero Gisela; Coronado Marcos A.; Garcia Conrado; Campbell Hector E.; Ayala Jose R.; Montes Daniela; Sagaste Carlos A.;

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    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

    Univ Autonoma Baja California Inst Ingn Blvd Benito Juarez &

    Calle Normal S-N Mexicali 21280 BC Mexico;

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