A Pilot-Scale Study of Waste Vegetable Oil Transesterification with Alkaline and Acidic Catalysts

Carlini, Maurizio; Castellucci, Sonia; Cocchi, Silvia

doi:10.1016/j.egypro.2014.01.022

Cited by 47 publications

(16 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Waste cooking oil has a great potential for the waste to energy conversion process (Mata et al 2012). According to reports, biodiesel production from used cooking oil is 60 million liters from 1000 t of feedstock use and 115-130 million liters of biodiesel is produced from multiple feed stocks such as to include crude vegetable oil, used cooking oil, animal fat and other (Aradhey 2014).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Biodiesel production using waste cooking oil: a waste to energy conversion strategy

Sodhi

Tripathi

Kundu

2017

Clean Techn Environ Policy

View full text Add to dashboard Cite

In this study, biodiesel was produced using waste cooking oil that was discarded as a waste in the environment. The properties of the feedstock were determined using standard ASTM methods. The transesterification process was implemented to extract the biodiesel, and this process was optimized and standardized by selecting three different parameters: molar ratio (methanol:oil), catalyst concentration (KOH) and reaction temperature. The physicochemical properties of the biodiesel so produced were tested and analyzed using gas chromatography. Biodiesel and diesel were mixed in different volumetric ratios, and the exhaust emission characteristics of the blends were determined by testing the blends on a variable compression ratio engine. The study concluded that waste cooking oil has a great potential for waste to energy process. The highest yield of 93.8% was obtained by optimizing the process. Emission characteristics of CO for B50 blend showed a downward trend while NO x emission was found to be greater for blending ratios above 10%. B10 showed the best results pertaining to lower NO x and CO emissions.

show abstract

Section: Introductionmentioning

confidence: 99%

“…40,000 million per year (Gopal et al 2014). According to the India's biofuel policy (Aradhey 2014), the target is to blend petroleum diesel with 20% biodiesel by the end of 12th Five-Year Plan (2017). Till date only 5% blending target has been attained.…”

Section: Introductionmentioning

confidence: 99%

Biodiesel production using waste cooking oil: a waste to energy conversion strategy

Sodhi

Tripathi

Kundu

2017

Clean Techn Environ Policy

View full text Add to dashboard Cite

show abstract

“…As discussed by the authors in [21][22][23][24][25], raw material needs to be characterized in terms of physical parameters [26]. Peanut oil properties, that is density (Table 2), heat capacity at constant pressure (Table 3), kinematic viscosity (Table 4) and thermal conductivity ( Figure 5) have been initialized into the simulation scenario to reach the real flow field.…”

Section: Methodsmentioning

confidence: 99%

Thermal and Fluid Dynamic Analysis within a Batch Micro-Reactor for Biodiesel Production from Waste Vegetable Oil

2017

Self Cite

View full text Add to dashboard Cite

Biofuels represent an alternative solution to petroleum-based fuels. In particular, biodiesel is very interesting, especially if it is produced from waste vegetable oil. Biodiesel can be used in diesel engines. The aim of this work is to implement a 2D numerical analysis in Comsol Multiphysics in order to verify an uniform temperature field within a non-isothermal batch mixed micro-reactor. An immersion heater system has been studied as a suitable solution to increase the temperature of WVO (Waste Vegetable Oil) before the start of the transesterification reaction. Thus, the efficiency of the immersion heating system has been investigated. The results show that the temperature field is not uniform within the fluid domain, because of the convective flux with the external environment. These conditions could lead to a low overall conversion rate.

show abstract

“…After that, it was possible to apply alkali-catalyzed transesterification, using methanol and KOH as a catalyst, with a satisfactory FAME yield. Carlini et al (2014), investigated the operating conditions for biodiesel production from waste cooking oils obtained from households with an acid value of 2.12 mg KOH g À1 in their pilot-scale study. The work was focused on the comparison of the catalyst typei.e.…”

Section: Introductionmentioning

confidence: 99%

Pilot-scale production of biodiesel from waste fats and oils using tetramethylammonium hydroxide

et al. 2016

View full text Add to dashboard Cite

Annually, a great amount of waste fats and oils not suitable for human consumption or which cannot be further treated are produced around the world. A potential way of utilizing this low-cost feedstock is its conversion into biodiesel. The majority of biodiesel production processes today are based on the utilization of inorganic alkali catalysts. However, it has been proved that an organic base - tetramethylammonium hydroxide - can be used as a very efficient transesterification catalyst. Furthermore, it can be employed for the esterification of free fatty acids - reducing even high free fatty acid contents to the required level in just one step. The work presented herein, is focused on biodiesel production from waste frying oils and animal fats using tetramethylammonium hydroxide at the pilot-plant level. The results showed that the process performance in the pilot unit - using methanol and TMAH as a catalyst, is comparable to the laboratory procedure, even when the biodiesel is produced from waste vegetable oils or animal fats with high free fatty acid content. The reaction conditions were set at: 1.5% w/w of TMAH, reaction temperature 65°C, the feedstock to methanol molar ratio to 1:6, and the reaction time to 120min. The conversion of triglycerides to FAME was approximately 98%. The cloud point of the biodiesel obtained from waste animal fat was also determined.

show abstract

A Pilot-Scale Study of Waste Vegetable Oil Transesterification with Alkaline and Acidic Catalysts

Cited by 47 publications

References 13 publications

Biodiesel production using waste cooking oil: a waste to energy conversion strategy

Biodiesel production using waste cooking oil: a waste to energy conversion strategy

Thermal and Fluid Dynamic Analysis within a Batch Micro-Reactor for Biodiesel Production from Waste Vegetable Oil

Pilot-scale production of biodiesel from waste fats and oils using tetramethylammonium hydroxide

Contact Info

Product

Resources

About