Results 121 to 130 of about 133,837 (324)

Preliminary Assessment of Instrumental Methods to Evaluate the Purity of Biodiesel Produced from Waste Vegetable Oil [PDF]

open access: yes, 2014
America’s transportation sector is the key link between our growing dependency on oil, and resulting global warming pollution. Petroleum in our cars and trucks accounts for two-thirds of our total oil used and one-third of the U.S.
MacMurdo, Michael
core   +1 more source

On the Usability of Pt/Al2O3 Catalysts for Exhaust Gas After Treatment in Ammonia Combustion Engines

open access: yesChemie Ingenieur Technik, EarlyView.
Ammonia engines emit no CO2 but exhibit elevated emissions of NH3 and NOx, where conventional SCR systems are not effective due to the significant excess of NH3. This study investigates Pt‐based oxidation catalysts in a bypass configuration to adjust the NH3/NOx ratio, analyzing catalyst parameters and their impact on N2O formation to identify optimal ...
J. Breuer   +2 more
wiley   +1 more source

Regional Development Perspectives of Production and Utilisation Renewable Fuels in Hungary [PDF]

open access: yes, 2007
The main aim of the present article is to highlight the regional development perspectives of production and utilization renewable energy fuels in Hungary. Due to our model it is possible to examine the relations between the terms mentioned above.
Csete, Mária   +2 more
core  

Integrated and closed‐loop biorefinery strategies for efficient waste valorization and biofuel production

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Advancements in biofuel production technologies are essential for reducing global dependence on fossil fuels and addressing their overexploitation. Many valuable components of biomass, such as cellulose, hemicellulose, and lignin, remain underused in traditional biorefineries, which typically rely on a single feedstock to produce a primary ...
Marcos Paulo Patta Granado   +5 more
wiley   +1 more source

Progress and Challenges in the Process of Using Solid Waste as a Catalyst for Biodiesel Synthesis

open access: yesMolecules
Biodiesel, as one of the alternatives to fossil fuels, faces significant challenges in large-scale industrial production due to its high production costs.
Zhaolin Dong   +4 more
doaj   +1 more source

Study On Production Process of Biodiesel from Rubber Seed (Hevea Brasiliensis) by In Situ Transesterification Method with Alkaline Catalyzed [PDF]

open access: yes
Biodiesel is methyl or ethyl fatty acids generated from vegetable oils (edible and non edible) or animal fats. Production of biodiesel from rubber seeds by in situ alkaline catalyzed method from non edible raw materials with a major goal for alternative ...
Hadiyanto, Hadiyanto
core  

Investigation of microalgal tolerance and growth in simulated tailings pond water containing naphthenic acids

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Oil sands tailings ponds, such as those in northeastern Alberta, present environmental challenges due to slow sedimentation, water entrapment, and toxic naphthenic acids (NAs), which hinder water reclamation. This study assessed the tolerance and biodegradation potential of Chlorella vulgaris (C.
Amin Kalbasi, Amarjeet Bassi
wiley   +1 more source

Glycerol carbonate formation from glycerol and dimethyl carbonate using lithium‐based catalysts

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Excess glycerol from biodiesel production can be sustainably converted into value‐added products like glycerol carbonate, for its use in polymers, solvents, and as ecofriendly alternative as green chemical in various chemical industries. This study aims to synthesize a catalyst optimized for the glycerol and dimethyl carbonate (DMC) conversion
Parvaneh Koranian   +2 more
wiley   +1 more source

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