ASTM biodiesel Articles

  • InfraSpec VFA-IR Spectrometer for Biodiesel Blend Measurements

    Synopsis: Simple, yet powerful, filter-based IR spectrometers are ideal for compliance to the new ASTM 7861 test method for accurately measuring biodiesel blend ratios. The Wilks InfraSpec analyzer was the instrument used to develop and validate this method and thus is the industry standard for field measurement of FAME (Fatty Acid Methyl Ester) blend percentages. ...


    By Spectro Scientific

  • Biodiesel production from high FFA crude rice bran oil and investigation on its properties as CI engine fuel

    This study is an attempt to convert high free fatty acid (FFA) crude rice bran oil (CRBO) into biodiesel and to evaluate whether the biodiesel obtained meets the biodiesel quality standards prescribed by ASTM D 6751-07b. CRBO was subjected to a two-step transesterification process using HCl and NaOH as acid and base catalyst respectively with a 15% v/v of methanol to oil ratio. This process ...


    By Inderscience Publishers

  • Empirical approach for the prediction of cetane number from the FAME composition

    Cetane number is a prime indicator in evaluating the quality of biodiesel fuel in the realm of diesel engines. Standards have been established world wide for cetane number determination, for example, ASTM D 613 in the USA, internationally, the International Organization for Standardization (ISO) standard ISO 5165, etc. These methods are usually arduous and expensive; the values obtained are ...


    By Inderscience Publishers

  • Get comparable ASTM/EN data for biodiesel blend while saving time and money

    If you need to verity how much biodiesel is in a diesel fuel, sending a sample off to a laboratory can take several days to get an answer. This can add unnecessary delays if a truck has just been loaded for a delivery, but must wait for the lab result. The best solution is to have an on-site test where the fuel is loaded or delivered. The two most widely used analytical methods for measuring the ...


    By Spectro Scientific

  • Comparison of EN 14078 and ASTM D7371 infrared biodiesel methods

    Infrared (IR) analysis is the most widely used measurement technology for measuring biodiesel in diesel. Both EN 14078 and ASTM D7371 methods use infrared as the analytical method and more specifically FTIR (Fourier Transform Infrared) spectroscopy. Infrared is a common spectroscopic technique used for quantitative and qualitative analysis. In the biodiesel measurement, the fatty acid methyl ...


    By Spectro Scientific

  • Comparison of infrared biodiesel measurement methods - An overview of ASTM-approved methods and those under consideration

    There are several options for measuring the amount of biodie-sel in diesel fuel. Methods EN 14078 and AS'lTvI D7371 are more amenable to laboratory testing although wailing for an off-site laboratory to perform the test can take several hours to several days. For a driver whose truck has just been loaded for a delivery, any wail is too long. Other options for more simplified on-site testing that ...


    By Spectro Scientific

  • Development and measured performance of a batch reactor for biodiesel production from fresh and waste vegetable oils

    The development and measured performance of a batch reactor for biodiesel production from fresh and waste vegetable oils as feedstock is presented. A biodiesel batch reactor was fabricated using locally sourced materials. Three different transesterification reactions were performed on the feedstocks using the fabricated reactor. The reaction temperature and time were varied for the fresh and ...


    By Inderscience Publishers

  • Lower Resolution Infrared (IR) Spectroscopy Can Provide Higher Performance for Quantitative Biodiesel Measurements

    Resolution is often used as a yardstick of instrument performance in Infrared Spectroscopy.  This is especially true when the measurements are energy limited as they are in the mid-infrared.  For example, in both the European and ASTM standards - EN14078 and ASTM D7371 - for the determination of biodiesel in diesel fuel, a 4 cm-1 resolution is specified which is a relatively high ...


    By Spectro Scientific

  • Assessing biodiesel quality parameters for wastewater grown Chlorella sp.

    Microalgae are reported as the efficient source of renewable biodiesel which should be able to meet the global demand of transport fuels. Present study is focused on assessment of wastewater grown indigenous microalga Chlorella sp. for fuel quality parameters. This was successfully grown in secondary treated waste water diluted with tap water (25% dilution) in glass house. The microalga ...


    By IWA Publishing

  • In situ transesterification of non–edible oil in the presence of cetyltrimethylammonium bromide

    In situ transesterification of Jatropha curcas l. seed with base catalysed alcohol in the presence of cetyltrimethylammonium bromide (CTMAB) as phase transfer catalyst (PTC) was investigated. The yield of fatty acid methyl esters (FAME) increased from 49.7 w% to 89.2 w% in the presence of CTMAB as PTC at 240 minutes of reaction time. Similarly, the yield of fatty acid ethyl esters (FAEE) ...


    By Inderscience Publishers

  • Production of biodiesel from pentaclethra macrophylla seed oil

    In the present work, the potentials of pentaclethra macrophylla (Africa oil bean) seed oil (PMSO) are evaluated for the first time as a feedstock for biodiesel. Methyl (PMFAME) and ethyl (PMFAEE) esters of PMSO were produced by standard transesterification procedure using potassium hydroxide (KOH) as catalyst and their qualities determined. Gas chromatography mass spectrometry (GCMS) runs of the ...


    By Inderscience Publishers

  • Fuel alternatives for heavy equipment

    High fuel prices are leading composters and wood grinders to reevaluate diesel-guzzling heavy equipment, looking to alternatives that are both more cost-efficient and environmentally friendly. This could be as “simple” as filling up existing machines with biodiesel blends, could involve swapping out a diesel model for an electric one, or even go as far as generating electricity on site to power ...


    By BioCycle Magazine

  • The Effect of Feedstocks on InfraRed Blend Measurements

    IR can be a simple, effective way to measure biodiesel blend ratios from a variety of feedstocks BY SANDRA RINTOUL With biodiesel hitting a new production record of 823 million gallons through October and expected to reach 1.28 billion by 2013, more biodiesel will ultimately be blended into our diesel fuel. This boom in production has opened the doors to a number of potential biodiesel ...


    By Spectro Scientific

  • Biodiesel Analysis with Mid Infrared - From Feedstock to Fuel

    Introduction The biofuels industry is growing rapidly and so is the need for analysis to ensure quality product. The parameters for quality biodiesel require different types of instruments and measurement systems, such as gas chromatographs (GC), titrators, centrifuges, infrared spectrometers... Although claims are out there for the analyzer that will do it all, unfortunately there is no one ...


    By Spectro Scientific

  • Investigation of fatty acid methyl esters in jet fuel

    Sustainable aviation fuels research has considerable momentum in efforts lead by government, academia and industry. Environmentally sound domestic fuels allow significant benefits, while also creating some challenges due to their novelty. One of these challenges is the cross contamination of fatty acid methyl esters (FAME) in biodiesel with jet fuels. It was suspected that sharing the same supply ...


    By Inderscience Publishers

  • Biofuels blend measurements with portable mid-infrared analyzers

    Globally, governments are putting more emphasis on sustainable energy sources and are creating energy policies that promote the production and use of biofuels. With the Renewable Fuels Standard-2 (RFS-2), the United States set biofuels blending volumes to 12.95 billion gallons (49.0 billion liters) for 2010, increasing to 36 billion gallons (136 billion liters) by 2022. With similar mandates or ...


    By Spectro Scientific

  • Mid-infrared analysis of biodiesel

    The biodiesel industry is growing rapidly. and so is the need for analysis 10 ensure quality product and keep biodiesel in good standing. Biodiesellhat has residual glycerin, glycer· ides, or inorganic salts from the production process can cause problems such as Iilter plugging and injector coking in a diesel engine. The biodiesel blend ralio also can affect cold weather performance, lax ...


    By Spectro Scientific

  • Biodiesel Analysis With Portable Midinfrared Analyzers

    Biodiesel sales in the U.S. increased from 75 million gallons in 2005 to 250 million gallons in 2006. As ol September 2007, 165 companies arc producing biodiesel and 85 plants are under construction- Along with this rapid growth in production is the iuviI to ensure quality product* Methods fur specifications offinished biodiesel fuels include ASTM D 6751, ON 14214, and DIN 51606. The rest ...


    By Spectro Scientific

  • The impact of blending techniques, feedstock choice, and analytical techniques on biodiesel blend accuracy

    The National Renewable Energy Laboratory in Golden, Colorado, USA, conducted a nationwide study released in 2005 that compared the actual content of biodiesel in biodiesel/ petroleum diesel blends vs. the nominal content. Results showed that 36% of the samples were incorrectly labeled. Inaccurately blended biofuels can have a negative impact throughout the supply chain, affecting distributors, ...


    By Spectro Scientific

  • Taking matters into hand - Case Study

    Biofuels must be up to scratch as contaminated or improperly blended fuel can damage a  company’s bottom line. To ensure product quality several options exist including laboratory analysis, field test kits and portable lab instruments.  Laboratory testing would be the ideal solution if everyone had the budget and the time to wait for the results.  But in a market where time ...


    By Spectro Scientific

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