18 hasil untuk "Intan Suhada Azmi"
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Artikel Jurnal
Sustainable approach for catalytic green epoxidation of oleic acid with applied ion exchange resin
Abstract Epoxides were primarily derived from petroleum-based sources. However, there has been limited research on optimizing the process parameters for epoxidized palm oil-derived oleic acid, resulting in its underutilization. Therefore, this study aimed to optimize the catalytic epoxidation of…
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Artikel Jurnal
Hybrid in-situ and ex-situ hydrolysis of catalytic epoxidation neem oil via a peracid mechanism
Abstract The depletion of oil reserves and their price and availability volatility raise researchers’ concerns about renewable resources for epoxidized material. This study aims to produce in situ and ex-situ hydrolyzed dihydroxy stearic acid via the epoxidation of neem oil. Epoxidized neem oil was…
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Artikel Jurnal
Understanding crystallinity indexes benchmarking concept from optimized parametric ionic liquid pretreatment using 1-ethyl-3-methylimidazolium Acetate [EMIM]Ac on oil palm biomass
So much about the crystallinity details during lignocellulosic biomass pretreatment using ionic liquid as solvent has not been highly progressively described. The high expense associated with specific ionic liquids may have impeded the advancement of their use in pretreatment and its subsequent…
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Artikel Jurnal
Catalytic epoxidation of unsaturated fatty acids in palm stearin via in situ peracetic acids mechanism
Abstract Epoxidized vegetable oils present a viable substitute for polymers derived from petroleum. This research focuses on the impact of a process parameter on the epoxidation of palm stearin when zeolite ZSM-5 is used as a catalyst. This study synthesized peracetic acid as the oxidizing agent by…
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Artikel Jurnal Teks lengkap
Epoxidation of Oleic Acid Using Acetic Acid and Citric Acid as Hybrid Organic Oxygen Carriers
This study investigates the epoxidation of oleic acid employing a hybrid oxygen-carrier system consisting of acetic acid and citric acid. Conventional peracid-based epoxidation pathways often suffer from instability and undesirable side reactions, which restrict their broader application. To…
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Artikel Jurnal Teks lengkap
Dihydroxystearic Acid Production via Catalytic Epoxidation of Oleic Acid Derived from Palm Oil
Concern regarding the drawbacks of relying on fossil fuels as the primary resource for producing various derivatives has led to increased interest in the production of dihydroxystearic acid (DHSA) via in situ hydrolysis of epoxidised oleic acid. Epoxidised oleic acid is produced using in situ…
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Artikel Jurnal Teks lengkap
Epoxidation of Hybrid Oleic Acid-derived Palm Oil Using an In Situ Performic Acid Mechanism
The purpose of this study was to determine the effects of different types of catalysts – sulphuric acid titanium dioxide, and Amberlite – and to investigate the effect of catalyst loading (0.1 g, 0.5 g, 1.0 g) on the relative conversion to oxirane (RCO %). This study examines the influence of these…
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Artikel Jurnal Teks lengkap
Sustainable Epoxidation of Unsaturated Fatty Acid through Peracid Mechanism with Amberlite Resin as a Catalyst
The growing global transition from non-renewable to renewable raw materials has spurred significant interest in sustainable alternatives. Nevertheless, the utilisation of amberlite resin for catalysing the production of epoxidised palm oil remains underexplored. This study investigates the effects…
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Artikel Jurnal
Catalytic epoxidation of linoleic acid derived corn oil via in situ performic acid mechanism
Abstract Utilizing renewable resources to produce epoxides as an alternative to petroleum-based sources is a growing trend. In this regard, several vegetable oils can serve as suitable alternatives. This study investigated the epoxidation of corn oil using sulfuric acid as a catalyst. Hydrogen…
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Artikel Jurnal Teks lengkap
Synthesis and Kinetic Model of Oleic Acid-based Epoxides by In Situ Peracid Mechanism
The global consumption of raw materials has shifted from the use of non-renewable materials to renewable materials. Studies on greener epoxidation by using vegetable oils to produce eco-friendly epoxides have also increased. In this study, the epoxidation of palm oleic acid was carried out by in…
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Artikel Jurnal Teks lengkap
Recent Advances in the Catalytic Epoxidation of Oleic Acid for Bio-polyol Synthesis: Challenges and Opportunities
The catalytic epoxidation of oleic acid is a key process in bio-polyol synthesis, offering a renewable alternative to petroleum-based materials. This review explores recent advances in catalyst development, process optimisation, and kinetic modelling, with an emphasis on the transition from…
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Artikel Jurnal Teks lengkap
High Yield Dihydroxystearic Acid (DHSA) Based on Kinetic Model from Epoxidized Palm Oil
In recent years, studies related to the epoxidation of fatty acids have garnered much interest due to the rising demand for eco-friendly epoxides derived from vegetable oils. From the epoxidation reaction, there is a side reaction involving epoxide and water. This reaction produces a by-product –…
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Artikel Jurnal Teks lengkap
Catalytic Epoxidation of Waste Palm Cooking Oil Using In Situ Generated Peracid and a Hybrid Catalyst System
This study investigates the catalytic epoxidation of waste palm cooking oil via an in situ generated peracid mechanism, employing a hybrid homogeneous catalyst system comprising sulphuric and nitric acid to enhance efficiency and sustainability. The research focuses on optimising key reaction…
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Artikel Jurnal
In situ epoxidation of hybrid waste cooking oil and oleic acid via peracid mechanism
Abstract The increasing generation of waste cooking oil (WCO) poses significant environmental challenges, making its valorization essential for sustainable waste management. This research investigates the in situ peracid method for epoxidizing a hybrid mixture of oleic acid and waste cooking oil. A…
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Artikel Jurnal
Chemical Modification of Oleic Acid Derived Palm Oil as Chemical Processor for Polyols Production
In recent years, research on the epoxidation of fatty acids has attracted considerable attention due to the growing demand for eco-friendly epoxides generated from vegetable oils. Commercially available epoxides are primarily derived from petroleum and animal fats, which are non-environmentally…
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Artikel Jurnal
Catalytic epoxidation of oleic acid through in situ hydrolysis for biopolyol formation
Abstract The dependency on petroleum-based sources has raised concerns, leading to a focus on studying the production of bio-polyols through the in situ hydrolysis of epoxidized palm oleic acid. Epoxidized palm oleic acid was formulated using performic acid and formed in situ. The Runge-Kutta…
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Artikel Jurnal Teks lengkap
Catalytic Epoxidation of Rice Bran Oil via an In Situ Generated Hybrid Peracids Mechanism
In this study, in-situ formed peracid was used to generate epoxidised rice bran oil. The following were found to be the ideal epoxidation reaction parameters: (1) 85 °C reaction temperature; (2) 0.8 g catalyst loading hybrid oxygen carrier; (3) 450 rpm string speed; and (4) 1.1 molar ratio of…
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Artikel Jurnal Teks lengkap
Epoxidation of Unsaturated Oleic Acids via in Situ Catalytic Performic Acid
Studies on the epoxidation of fatty acids have garnered much interest in recent years due to the rising demand for eco-friendly epoxides derived from vegetable oils. This study aims to optimize the process parameters of epoxidation of palm oleic acid via an in situ peracid mechanism with an applied…