![]() ![]() The present study recommended the naturally-grown Ulva intestinalis as a potential feedstock for enhanced energy recovery through sequential biodiesel-bioethanol production.īiorefinery Energy output Fermentation Macroalgae Renewable energy Transesterification. Therefore, application of sequential biofuel production using R3 resulted in gross energy output of 3.44 GJ ton -1 dw, which was 170.9% and 82.0% higher than R1 and R2, respectively. However, bioethanol yield from R3 was 0.081 g g -1 dw, which represented 14.1% higher than that of R2. Hydroesterification is the innovation of biodiesel production in two-step: consists of hydrolysis of oil into free fatty acids (FFAs) in subcritical water and. obliquus through production of biodiesel followed by bioethanol through sequential lipid. The hydrolysate obtained after saccharification of the whole biomass (R2) and lipid-free biomass (R3) contained 1.22 and 1.15 g L -1, respectively, reducing sugars. 6 evaluated the bioenergy recovery from the whole biomass of S. Canada and North America versus the operational ethanol production from energy crop (first generation of biofuel). Jean-Michel Lavoie, Romain Beauchet, Véronique Berberi and Michel Chornet. The first route of biodiesel production (R1) from Ulva intestinalis showed biodiesel recovery of 32.3 mg g -1 dw. Biorefining Lignocellulosic Biomass via the Feedstock Impregnation Rapid and Sequential Steam Treatment. Advanced biofuels and biogas produced from. All the measured biodiesel characteristics complied the international standards. Like the agricultural sector, the transport sector is also responsible for significant greenhouse gas emissions. Count on SeQuential to provide efficient and sustainable solutions, ensuring that your cooking oil is disposed of responsibly and your grease traps are cleaned thoroughly. Therefore, biodiesel showed high saturation degree, with average degree of unsaturation (ADU) of 0.508. SeQuential is your trusted partner for all your used cooking oil collection and professional grease trap cleaning needs. Saturated fatty acids (SAFs) showed 73.4%, with palmitic acid as a dominant fatty acid (43.8%). The later was selected for further studies because it showed 14.8% higher REEC value than Ulva fasciata. ![]() However, the highest annual carbohydrate productivity (ACP) and annual lipid productivity (ALP) were recorded for Ulva fasciata and Ulva intestinalis (17.0 and 3.0 g m -2 year -1, respectively). The rhodophyte Amphiroa compressa and the chlorophyte Ulva intestinalis showed the highest annual biomass yield of 75.2 and 61.5 g m -2 year -1, respectively. Seasonal and annual biomass yields of the studied species showed significant variations. The promising species was selected, based on the relative increase in energy compounds (REEC, %), for further energy conversion. A total of 22 macroalgal species were collected at different seasons and screened based on lipid and carbohydrate contents as well as biomass production. The present study evaluated the sequential biodiesel-bioethanol production from seaweeds. ![]()
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