Critical review on analytical methods for biodiesel characterization

MR Monteiro, ARP Ambrozin, LM Lião, AG Ferreira - Talanta, 2008 - Elsevier
Biodiesel is an alternative fuel composed of mono-alkyl esters and obtained mainly from the
base-catalyzed transesterification reaction of oils or fats. Its use (pure or blended) does not …

Review on analysis of biodiesel with infrared spectroscopy

WB Zhang - Renewable and Sustainable Energy Reviews, 2012 - Elsevier
Biodiesel is primarily obtained from the base catalyzed transesterification reaction of oils or
fats. Biodiesel has become more attractive due to its characteristics of being bio-degradable …

Study on the use of MgAl hydrotalcites as solid heterogeneous catalysts for biodiesel production

JFP Gomes, JFB Puna, LM Gonçalves, JCM Bordado - Energy, 2011 - Elsevier
This paper, reports experimental work on the use of new heterogeneous solid basic
catalysts for biodiesel production: double oxides of Mg and Al, produced by calcination, at …

Multivariate near infrared spectroscopy models for predicting methanol and water content in biodiesel

P Felizardo, P Baptista, JC Menezes, MJN Correia - Analytica chimica acta, 2007 - Elsevier
The transesterification of vegetable oils, animal fats or waste oils with an alcohol (such as
methanol) in the presence of a homogeneous catalyst (sodium hydroxide or methoxyde) is …

Fourier transform infrared (FT-IR) spectroscopy as a possible rapid tool to evaluate abiotic stress effects on pineapple by-products

DI Santos, MJ Neiva Correia, MM Mateus, JA Saraiva… - Applied Sciences, 2019 - mdpi.com
Fourier transform infrared (FT-IR) spectroscopy is a physicochemical technique based on
the vibrations of a molecule energized by infrared radiation at a specific wavelength range …

On estimating physical and chemical properties of hydrocarbon fuels using mid-infrared FTIR spectra and regularized linear models

Y Wang, Y Ding, W Wei, Y Cao, DF Davidson… - Fuel, 2019 - Elsevier
The concept of a compact, economical FTIR-based analyzer for estimating the properties of
hydrocarbon fuels with small amounts of fuel is proposed. The high correlations between …

Multivariate near infrared spectroscopy models for predicting the iodine value, CFPP, kinematic viscosity at 40 C and density at 15 C of biodiesel

P Baptista, P Felizardo, JC Menezes, MJN Correia - Talanta, 2008 - Elsevier
Biodiesel is one of the main alternatives to fossil diesel. It is a non-toxic renewable resource,
which leads to lower emissions of polluting gases. In fact, European governments are …

Predicting engine fuel properties of biodiesel and biodiesel-diesel blends using spectroscopy based approach

KR Bukkarapu, A Krishnasamy - Fuel Processing Technology, 2022 - Elsevier
Biodiesel can be produced from several feedstocks, resulting in significant composition and
fuel properties variations. Predicting fuel properties can significantly reduce engine …

A review of recent trends, advancements, and future directions in near-infrared spectroscopy applications in biofuel production and analysis

F Odoi-Yorke, SA Kabiru, RE Sanful, GS Otoo… - Infrared Physics & …, 2024 - Elsevier
The growing demand for sustainable energy solutions has intensified research into biofuel
production and analysis techniques. Near-infrared spectroscopy (NIRS) has emerged as a …

Cross target attributes and sample types quantitative analysis modeling of near-infrared spectroscopy based on instance transfer learning

Y Yu, J Huang, S Liu, J Zhu, S Liang - Measurement, 2021 - Elsevier
During the near‐infrared (NIR) spectroscopy analysis process, most existing methods can
carry out calibration transfer only between the same samples. In the machine learning area …