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Relevant bibliographies by topics / Two-step Transesterification

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Dissertations / Theses
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Academic literature on the topic 'Two-step Transesterification'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Two-step Transesterification"

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Sivaramakrishnan, Ramachandran, and Aran Incharoensakdi. "Production of methyl ester from two microalgae by two-step transesterification and direct transesterification." Environmental Science and Pollution Research 24, no. 5 (2016): 4950–63. http://dx.doi.org/10.1007/s11356-016-8217-5.

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Ji, Xiang, Shao Min Zhang, and Lu Cai. "A Two-Step Heterogeneous Catalyzed Process for Biodiesel Production." Advanced Materials Research 512-515 (May 2012): 330–33. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.330.

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Heterogeneous catalysts not only can provide as much reactive activity as homogeneous catalysts but they are very much more environmentally benign.This paper introduced a two-step catalyzed process for biodiesel production from low-quality feedstocks, then emphatically reviewed various heterogeneous acid catalysts for pre-esterification and base catalysts for transesterification during this process.

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YAACOB, Marwan, Yoshimitsu UEMURA, Khalik M. SABIL, et al. "Effects of Reaction Parameters on Two-Step Alkali-Alkali Transesterification." Journal of the Japan Institute of Energy 92, no. 8 (2013): 702–6. http://dx.doi.org/10.3775/jie.92.702.

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Khan, Abdussalam, Abu Saleh Ahmed, Muhammad Khusairy Bakri, A. N. R. Reddy, and Md Rezaur Rahman. "Performance of Coconut Biodiesel Fueled Diesel Engine with Exhaust Gas Emission Analysis." Materials Science Forum 1030 (May 2021): 149–58. http://dx.doi.org/10.4028/www.scientific.net/msf.1030.149.

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Biodiesel fuel is biodegradable, Sulphur free, non-toxic and environmentally friendly. Current research focuses on coconut biodiesel production using crude coconut oil. Both one and two step transesterification methods were utilized to analyze the effect of free fatty acid on the transesterification process while the two-step transesterification reported highest yield biodiesel percentage of 84% compared to the one step i.e. 72%. The fuel properties found compatible with standards. The biodiesel blends fueled diesel engine performance tests were performed on diesel engine Water-cooled, four st

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Wu, Su Xi, Shuai Hang Yan, and Hui Cai. "Two-Step Preparation of Bio-Diesel from the Used Bleaching Clay." Applied Mechanics and Materials 209-211 (October 2012): 1774–77. http://dx.doi.org/10.4028/www.scientific.net/amm.209-211.1774.

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with the shortage of the raw material oil for producing bio-diesel in China, the oil, recovered from the used bleaching clay which often be discarded by vegetable oil factory, was used to prepare bio-diesel in this trial. Two-step catalyzed process was adopted to produce biodiesel from the oil. The effect of methanol-to-oil molar ratio, alkaline catalyst quantity, reaction temperature and reaction time on the preesterification and transesterification reaction was investigated through orthogonal experiments. Thus the optimal reaction condition came out. Firstly, the optimal pre-esterification c

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Misra, R. S., Amit Pal, and Anand Prakash Mall. "Effect of Homogeneous Catalysts on Production of Biodiesel from Crude Neem Oil Feedstock and Cost Analysis of Biodiesel Production." International Journal of Advance Research and Innovation 3, no. 3 (2015): 83–89. http://dx.doi.org/10.51976/ijari.331511.

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A two-step transesterification process is developed to convert the high FFA oils to its mono-esters. Using 100 ml of oil, the optimum combination of parameters for pretreatment were found to be 0.45 v/v methanol-oil-ratio, 0.5% v/v H2SO4 acid catalyst, 50˚C and 45 min reaction time. After pretreatment of neem oil, transesterification reaction was carried out with 4.5:1 methanol-to-oil molar ratio, 1% KOH as alkaline catalyst, 75 min reaction time and 50˚C reaction temperature to produce the fatty acid methyl ester. This two step process gave maximum average yield of 70±2%.

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Timyamprasert, Athitan, Vittaya Punsuvon, Kasem Chunkao, Juan L. Silva, and Tae Jo Kim. "Esterification of Waste Palm Oil in Wastewater Pond for Community Biodiesel Production." Applied Mechanics and Materials 692 (November 2014): 133–38. http://dx.doi.org/10.4028/www.scientific.net/amm.692.133.

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The aim of this research was to develop a two-step technique to prepare biodiesel from waste palm oil (WPO) with high free fatty acid content. The developed process consists of esterification and transesterification steps. Response surface methodology (RSM) was applied for investigating the experimental design for esterification step. Design of experiment was performed by application of 5-levels-3-factors central composite design in order to study the optimum condition for decreasing FFA in WPO. The WPO with low FFA was further experimented in transesterification step to obtain fatty acid meth

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Nurhayati, Nurhayati, Sofia Anita, Tengku Ariful Amri, and Amilia Linggawati. "Esterification of Crude Palm Oil Using H₂SO₄ and Transesterification Using CaO Catalyst Derived from Anadara granosa." Indonesian Journal of Chemistry 17, no. 2 (2017): 309. http://dx.doi.org/10.22146/ijc.24909.

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In this study biodiesel was produced from crude palm oil through two-step processes, namely esterification reactions using homogeneous H2SO4 catalyst and transesterification using the heterogeneous base CaO catalyst derived from Anadara granosa shell. Several parameters affecting to the yields of biodiesel were investigated including the amount of the catalysts, the molar ratios of oil to methanol, reaction times and reaction temperatures. The CaO catalyst was prepared by calcining the A. granosa shells at the temperatures of 800 and 900 °C for 10 h. The as-synthesized biodiesel was analyzed u

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Chaudhary, Jyoti. "Producing Biodiesel from Neem Oil Using a Two-Step Transesterification Process." International Journal for Research in Applied Science and Engineering Technology 10, no. 7 (2022): 3929–34. http://dx.doi.org/10.22214/ijraset.2022.45911.

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Abstract: As a renewable, biodegradable, and non-toxic fuel, biodiesel has attracted a lot of attention during the past century. It is a methyl ester of a fatty acid made from triglycerides by the methanol transesterification process. Due to the alarming rise in automobile ownership over the past year, there is now more focus on finding alternatives to diesel fuel as both demand and costs for petroleum goods have increased. The majority of biodiesel is currently made from refined or oil seeds using an alkaline catalyst and methanol. Large quantities of oil and fat, however, cannot be ingested.

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Altikriti, E. T., A. B. Fadhil, and M. M. Dheyab. "Two-step Base Catalyzed Transesterification of Chicken Fat: Optimization of Parameters." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 37, no. 17 (2015): 1861–66. http://dx.doi.org/10.1080/15567036.2012.654442.

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Dissertations / Theses on the topic "Two-step Transesterification"

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Huang, Shih Hsun, and 黃世勛. "Design and Simulation for a Two-step Transesterification Process of Waste Cooking Oil." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/87r6mt.

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Kao-ChiaHo and 何國嘉. "Conversion of free fatty acids-rich oil into biodiesel using a two-step catalytic esterification-transesterification process." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/68s47r.

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碩士<br>國立成功大學<br>化學工程學系<br>102<br>In this study, the low-grade oil source containing high free fatty acid content (such as waste cooking oil) to lower the cost of biodiesel production. Since the waste cooking oil used has high content of free fatty acids (FFAs) which cause problems on transesterification due to saponification that consumes alkaline catalysts with free fatty acids to form soap. As a consequence, a two-step process was developed to solve the problems resulting from FFAs in the oil used. This two-step process consists of sequential esterification and transesterification steps. As

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Conference papers on the topic "Two-step Transesterification"

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Baibhav, Vibhu, Daniel Florez Orrego, Pullah Bhatnagar, and Fran�ois Mar�chal. "Process integration and waste valorization for sustainable biodiesel production toward a transportation sector energy transition." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.147707.

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Fossil fuel reliance in the transportation sector remains a leading contributor to global greenhouse gas emissions, underscoring the urgent need for renewable alternatives like biodiesel. Derived from renewable feedstocks, biodiesel can reduce emissions, enhance energy independence, and support rural economies. However, its production faces challenges such as low energy efficiency, process optimization barriers, and the limited utilization of byproducts like glycerol, which elevate costs and hinder large-scale adoption. This study addresses these challenges by developing an integrated framewor

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Coronado, Horacio Pinzón, Andrea Escobar Porto, and Marco E. Sanjuan. "Multivariate Control and Override of a Two-Step Homogeneous Base-Catalyzed Transesterification Process." In ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/es2014-6694.

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The most common technology used in biodiesel production is the transesterification of vegetable oils and animal fats. Transesterification (also called alcoholysis) is the reaction of fat oil with an alcohol to form esters and glycerol, in presence of catalyst to improve the reaction rate and yield. Although process industry has established long ago that continuous processes are more cost-effective than batch processing, there is still a substantial number of batch processing biodiesel plants in the world. One of the challenges in switching to a continuous process is the simultaneous control re

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Kakati, Jyotirmoy, Tapan K. Gogoi, Sukhamoy Pal, and Ujjwal K. Saha. "Potentiality of Yellow Oleander (Thevetia Peruviana) Seed Oil as an Alternative Diesel Fuel in Compression Ignition Engines." In ASME 2021 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/icef2021-67419.

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Abstract Biodiesel has been accepted as a clean and an eco-friendly green diesel fuel by the entire world. In India, various non-edible oils have been tested for exploring their suitability as a fuel in diesel engines. In the north eastern states of India, many oil bearing seeds such as Koroch (a variety of Pongamia glabra), Nahar (Mesua ferrea), Terminalia (Terminalia belerica Robx), Kutkura (Meyna spinosa Roxb), Amari (Amoora Wallichii King), Yellow oleander (Thevetia peruviana) and others are found in abundance. In this article, the Yellow oleander seed oil (YOSO) has been investigated for

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