Search Results - subject:"oxidation"

Formation of Acid Mine Drainage Water at Sb (Au) Deposit Pezinok

Miroslav, Rusko; AndrÃ¡Å¡ Peter; KuÅ¡nierovÃ¡ … - In: Research Papers Faculty of Materials Science and … 19 (2011) 31, pp. 57-68

The article presents the results of leaching experiments regarding the comparison of chemical and biological-chemical leaching of ores from the Sb-(Au-) base metal deposit Pezinok (MalÃ© Karpaty., the Western Carpathians) under the same conditions in solution. Discussed are the differences...

Persistent link: https://www.econbiz.de/10010534233

Storage stability and ageing effect of biodiesel blends treated with different antioxidants

Karavalakis, Georgios; Hilari, Despina; Givalou, Lida; … - In: Energy 36 (2011) 1, pp. 369-374

This study investigates the impact of various synthetic phenolic antioxidants on the oxidation stability of biodiesel … oxidation stability could be achieved with all antioxidants tested. Butylated hydroxytoluene (BHT) and butylated hydroxyanisol … of 10 weeks, samples were taken every 2 weeks to measure the oxidation stability, kinematic viscosity and acid value …

Persistent link: https://www.econbiz.de/10010810548

Behavior of a 300kWth regenerative multi-burner flameless oxidation furnace

Cho, E.-S.; Danon, B.; de Jong, W.; Roekaerts, D.J.E.M. - In: Applied Energy 88 (2011) 12, pp. 4952-4959

regenerative flameless oxidation burners was studied. The furnace offers unique possibilities for varying burner positions and …

Persistent link: https://www.econbiz.de/10010571909

Sodium borohydride as a fuel for the future

Santos, D.M.F.; Sequeira, C.A.C. - In: Renewable and Sustainable Energy Reviews 15 (2011) 8, pp. 3980-4001

processes of NaBH4 oxidation, hydrolysis, and monitoring are reviewed. A comprehensive bibliometric analysis of the NaBH4 …

Persistent link: https://www.econbiz.de/10010573444

Aluminum as energy carrier: Feasibility analysis and current technologies overview

Shkolnikov, E.I.; Zhuk, A.Z.; Vlaskin, M.S. - In: Renewable and Sustainable Energy Reviews 15 (2011) 9, pp. 4611-4623

Aluminum is examined as energy storage and carrier. To provide the correct feasibility study the work includes the analysis of aluminum production process: from ore to metal. During this analysis the material and energy balances are considered. Total efficiency of aluminum-based energy storage...

Persistent link: https://www.econbiz.de/10010573618

Investigation of electrodeposited Ni-based coatings for biodiesel storage

Boonyongmaneerat, Yuttanant; Sukjamsri, Chamaiporn; … - In: Applied Energy 88 (2011) 3, pp. 909-913

Biodiesel commonly experiences oxidative and hydrolytic degradation, leading to problems of low storage stability and corrosion of fuel containers. This study investigates the fabrication and use of electrodeposited nickel and nickel-tungsten alloys as potential coating materials that...

Persistent link: https://www.econbiz.de/10008916783

Property modification of jatropha oil biodiesel by blending with other biodiesels or adding antioxidants

Chen, Yi-Hung; Chen, Jhih-Hong; Luo, Yu-Min; Shang, … - In: Energy 36 (2011) 7, pp. 4415-4421

biodiesel blending properties and its oxidation stability with antioxidants. The JME (jatropha oil methyl esters) had the cetane … 96.55 g I2/100 g, kinematic viscosity of 4.33 mm2/s at 40 °C, and oxidation stability of 3.86 h. Furthermore, the JME was … studied for their potential to improve the oxidation stability of the JME. The relationship between the IP (induction period …

Persistent link: https://www.econbiz.de/10011053424

The role of in-cylinder gas density and oxygen concentration on late spray mixing and soot oxidation processes

Benajes, Jesús; Novella, Ricardo; García, Antonio; … - In: Energy 36 (2011) 3, pp. 1599-1611

An analysis of in-cylinder gas density and oxygen mass concentration (YO2) impact on the mixing and oxidation processes …

Persistent link: https://www.econbiz.de/10011054188

Thermodynamic assessment of hydrogen production and cobalt oxidation susceptibility under ethanol reforming conditions

de Ávila, C.N.; Hori, C.E.; de Assis, A.J. - In: Energy 36 (2011) 7, pp. 4385-4395

A comparative thermodynamic analysis of ethanol reforming reactions was conducted using an in-house code. Equilibrium compositions were estimated using the Lagrange multipliers method, which generated systems of non-linear algebraic equations, solved numerically. Effects of temperature, pressure...

Persistent link: https://www.econbiz.de/10011055573

Novel conceptual design of a supercritical pulverized coal boiler utilizing high temperature air combustion (HTAC) technology

Schaffel-Mancini, Natalia; Mancini, Marco; Szlek, Andrzej; … - In: Energy 35 (2010) 7, pp. 2752-2760

Technical and ecological aspects of implementation of High Temperature Air Combustion to power station boilers fired with pulverized coal have been considered. Several boiler concepts have been examined in the context of the following three key points: existence of an intensive in-furnace...

Persistent link: https://www.econbiz.de/10010807736