Trimethylolpropane triesters are biodegradable synthetic lubricant base oil alternative to mineral oils, polyalphaolefins and diesters. These oils can be produced from trimethylolpropane (TMP) fatty acid methyl esters via chemical or enzymatic catalyzed synthesis methods. In the present study, a commercial palm derived winter grade biodiesel (ME18) was evaluated as viable sustainable ester source for of high oleic (HO-TMPTE). ME18 has profile containing 86.8% acid, 8.7% linoleic with...

An improved method in biodiesel production using jatropha curcas oil is discussed this study. There are two steps process involved namely esterification and transesterification. The first step serves as a pre-treatment to reduce the free fatty acid content feedstock second converts into biodiesel. reaction time, molar ratio, temperature percentage of catalyst loading operating parameters being optimized After step, Jatropha has been reduced less than 1%. treated was transesterified potassium...

The use of vegetable oil-based ester as a base fluid in synthetic drilling has become trend operations due to its environmental advantages. transesterification reaction palm oil methyl (POME) with 2-ethylhexanol (2EH) produced 98% ethylhexyl less than 30 minutes. Since the POME 2EH is reversible reaction, kinetics was studied presence excess EH and under vacuum. POME-to-EH molar ratio vacuum pressure were held constant at 1:2 1.5 mbar respectively effects temperature (70 110°C) investigated....

Enhancement of reaction performance utilizing microwave irradiation has drawn so much interest due to its shorter time and low catalyst loading. These advantages are particularly significant from kinetics thermodynamics perspectives. This study aimed investigate the microwave-assisted transesterification palm oil-based methyl ester into biolubricant. The oil (PME) trimethylolpropane (TMP) was conducted at 110–130 °C for 90 min under vacuum condition. Sodium methoxide employed as 0.6 wt%...

Due to growing concerns such as increasing energy demand and the environmental issues-related fossil problems caused by consumption of energy, it is needed focus on nonedible oils for biodiesel production. In present research work, seed oil Momordica charantia (M. charantia) was first time appraised possible synthesis biodiesel. M. has content (36.10 ± 4.20%), high acid value (1.82 mg KOH g−1), its enable base-catalyzed transesterified production after pretreatment. It under standard...

Transesterification reaction reacts vegetable or animal oil and alcohol as reactants with the support of a catalyst. This study produced biodiesel through transesterification between used cooking alcohols CaO heterogeneous catalyst from Anadara granosa. compound was synthesized via temperature varying calcination process at 700°C, 800°C, 900°C for 6 hours. conducted temperatures ranging 55°C to 65°C molar ratios methanol 1:12, 1:15, 1:18. The took place 3 hours presence 3% m/m physical...

Biodiesel, an alternative to traditional diesel, is essential for the sustainability of long-term energy supplies and often synthesized through a non-alcoholic route called interesterification. The described synthesis method facilitates modification oil fat by exchanging acyl radical groups between triglyceride alcoholic acid (alcoholysis), (acidolysis), or ester (transesterification). Therefore, this research aimed determine effect reactant ratio crude palm (CPO) dimethyl carbonate (DMC),...

Jatropha curcas alkyl ester can be produced via a transesterification reaction of J. triglyceride (JCT) using an alkaline catalyst with alcohol. In this study, the was carried out in batch reactor under various operating conditions. The kinetics study JCT methanol conducted at temperatures ranging from 50 °C to 65 °C. conversion (TG) and diglyceride (DG) into biodiesel followed first-order mechanism, while monoglyceride occurred too fast, thus assuming non-limiting step. rate constants were...

The conversion of waste frying oil into a valuable methyl ester (biodiesel) has been successfully conducted and also the acid pre-treatment process was carried out prior to main biodiesel production for lowering free fatty (FFA) content below 1%. physicochemical properties were analyzed ensure product could meet standards fuel properties. methanolysis selected as technique under various mixing speeds namely 350, 400 450 rpm, while other parameters are maintained at optimum conditions such...

In the present study synthesis of a palm based ethylhexyl ester was examined through transesterification reaction oil methyl (POME) with 2-ethylhexanol (EH). A sodium methoxide in methanol solution used as catalyst. The carried out at fixed pressure 1.5 mbar by varying temperature (80–140 °C), POME/2EH molar ratio (1:1.5–1:2.2), time (0.5–4 h) and catalyst concentration (1–2% w/w). involved single step reversible reaction, thus, completed very short time. optimum conditions were obtained...

This paper presents an acid pre-treatment process and a kinetic study for the esterification reaction of Oleum papaveris seminis oil with methanol in presence amberlite 120 as solid catalyst to convert into methyl esters. Response surface methodology (RSM) was applied optimize parameters, i.e. time, percentage volume ratio oil. The results revealed that 0.87% w/w concentration 44.70% v/v provided final free fatty (FFA) contents 0.60% at 102.40 min time. It proved contribution Amberlite FFA...

AbstrakAdsorpsi zat warna basic red 18 dan direct black 38 dengan adsorben dari serat pinang telah diteliti. Morfologi gugus fungsi permukaan dianalisa Fourier transform infrared spectroscopy (FT-IR) scanning electron microscopy (SEM). Penelitian ini fokus pada mekanisme adsorpsi pengaruh dosis adsorben. Koefisien korelasi (R2) dianalisis menggunakan regresi linier. Mekanisme dilakukan dua model isoterm, yaitu isoterm Langmuir Freundlich. Hasil kajian menunjukkan bahwa Freundlich adalah yang...

The increasing types of people needs along with the times have resulted in need for energy so that supply energy, especially cannot be renewed (unrenewable energy) is decreasing. Currently, almost 80% world's are met by fossil fuels. In fact, use fuels can cause global warming. To reduce dependence on as an source, it necessary to search sources used alternative environmentally friendly. Indonesia agricultural country overgrown plantation crops produce various kinds waste such rubber seeds...

Many kinetics studies on methanolysis assumed the reactions to be irreversible. The aim of present work was study dynamic modeling reversible Jatropha curcas oil (JCO) biodiesel. experimental data were collected under optimal reaction conditions: molar ratio methanol JCO at 6 : 1, temperature 60°C, 60 min time, and 1% w/w catalyst concentration. involved derivation differential equations for rates three stepwise reactions. simulation then performed resulting using MATLAB. newly developed...

Ampas kopi merupakan produk sampingan dari penggunaan minuman secara luas, namun juga sumber daya yang dapat didaur ulang. Pembuatan sabun adalah salah satu aplikasi menarik. Dengan tujuan mengembangkan barang ramah lingkungan dan berkualitas tinggi, penelitian ini menyelidiki kelayakan ampas sebagai bahan utama dalam produksi sabun. Agar proses pengolahan menghasilkan diinginkan, perlu dilakukan pengeringan, penggilingan, penambahan komponen tambahan tepat. Untuk mengetahui kandungan...

The jatropha curcas methyl ester can be produced through a transesterification reaction by using an alkaline catalyst with alcohol as the excess reactant. was carried out in batch mixed reactor under various operating condition. kinetics study on of curcas-based triglycerides methanol temperatures (323, 328, 333 and 338 K). conversion into esters follows first-order mechanism for forward reaction. rate constants were determined finally plotted against calculating activation energies. values...

In this study, the methanolysis of mixed crop oils (Hevea brasiliensis and Jatropha curcas L.) was investigated. Due to contain high impurities, a particular pre-treatment which carried out. For alkali-catalyzed methanolysis, few parameters (such as: molar ratio, catalyst percentage, reaction time) were studied. The results showed that optimum conditions 5.5 0.9% w/w catalyst, 60 minutes time with highest yield 98.9%. kinetics study indicated first order mechanism rate constant activation...