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Flow of Solids in Bins, Hoppers, Chutes and Feeders

Instructor-led (classroom) Course

Gain a strong, fundamental understanding of bulk solids and bulk solid handling equipment and their behavior, along with the general principles and practical applications of solids flow.Read more

Chem Economics: ACC Releases Portfolio of Specialty Chemicals Indexes

September

2012

Chem Economics

T. Kevin Swift

The American Chemistry Council (ACC) has launched a new set of indexes covering nearly 30 segments of the U.S. specialty chemicals market. (The first, which dealt with plastic additives, was discussed in the July issue, p. 13.) This is the first set...

Failure Mechanisms in Lithium Ion Batteries: Opportunities for Materials Development

AIChE Webinar

Sep 19, 2012

Dee Strand

This presentation will focus on the primary failure mechanisms for lithium ion batteries, how those mechanisms are affected by material selection, and vehicle applications for batteries and their future development.

Asphaltene Instability Measured by Small-Angle Neutron Scattering

Oct 19, 2011

Michael P. Hoepfner

Asphaltenes are defined as the petroleum fraction that precipitates with the addition of a normal alkane; however, it was only recently discovered that there is a strong time-dependency for precipitation in oil/n-alkane mixtures [1]. It was found that at low precipitant concentrations, asphaltenes...

New Catalytic Technology for Converting Heavy Oils Derived From Alberta Oil Sands Into Petrochemical Feedstock

Oct 18, 2011

Vasily Simanzhenkov

Oil sands operations in Alberta are poised to experience significant growth over the next number of years. Production of 1.31 million bbl/day of synthetic crude oil and bitumen blends from oil sands in 2008 is projected to increase to over 3 million bbl/day by 2018. This guarantees a large output...

Nanoarchitectured Ni-ZrO2 Catalysts for Hydrogen Production From Steam Reforming of Ethanol

Oct 18, 2011

Jinlong Gong

Hydrogen has been considered as an important alternative energy vector and a bridge to a sustainable energy future. Production of hydrogen efficiently and economically from renewable sources, however, remains a challenge. Among diversified hydrogen production technologies, steam reforming of...

Simultaneously Increasing Profit and Reducing Emissions Through Process Optimization for Integrated Petrochemical Plants

Oct 18, 2011

Jian Zhang

Refineries and petrochemical plants are leading segment of the entire chemical process industry. It was reported that the value of the product shipments by refineries in U.S. accounted for 9.32% of the entire manufacturing sector of the U.S. economy in 2007. On the other hand, air emissions from...

A New Generation of Zirconia Supported Metal Oxide Catalysts for Esterification of Free Acid Feedstocks

Oct 18, 2011

Manhoe Kim

The acid catalyst promotes esterification by reacting the carboxylic group of the FFA with methanol to form methylesters and water. In this reaction mixture, the sulfuric acid is more miscible in the water product phase than the methanol phase leading to a pronounced water inhibition effect that...

Anisole and Guaiacol Deoxygenation Over Pt/Sn On Monolith Catalyst Supports

Oct 17, 2011

Miguel Angel Gonzalez Borja

Upgrading of pyrolysis oil vapors requires a catalytic reactor able to treat high reactant flow rates without generating a large pressure drop. Therefore, monolithic catalysts appear as good candidates for this purpose. In this contribution, low-surface-area Inconel monoliths were coated with in-...

Removal of Rhodamine B Dye with Fe/Mn Co-Doped Titania Nanotubes

Oct 17, 2011

Daniel H. Chen

Fe/Mn co-doped titania nanotubes has been synthesized by solution combustion followed by the hydrothermal treatment. Combustion synthesis has emerged as a facile and economically viable technique for the preparation of advanced ceramics, catalysts and nanomaterials. Stoichiometric amounts of...

Energy Efficiency of Battery Systems with Forced Convection Between Electrodes

Oct 17, 2011

Sun Ung Kim

The energy efficiency of an alkaline battery system with forced convective flow between the electrodes has been investigated. Rechargeable alkaline batteries, which depend on the reaction between zinc and manganese dioxide (Zn/MnO 2 ), have been widely used because of their excellent properties...

Development of Novel Electrocatalyst Support In Proton Exchange Membrane Fuel Cells for Automotive Applications

Oct 17, 2011

Sehkyu Park

Proton exchange membrane (PEM) fuel cells have received great attention as an alternative power source for transportation and stationary applications. A membrane-electrode-assembly (MEA) that generates electricity by electrochemical reactions consists of proton exchange membrane as an electrolyte...

The Effect of Fly Ash From Different Coal Sources On the Reactivity of An Iron-Based Oxygen Carrier for Chemical Looping Combustion

Oct 17, 2011

Aurora M. Rubel

The University of Kentucky, Center for Applied Energy Research is investigating oxygen carriers (OC) for chemical looping combustion (CLC) with the goal of developing a pressurized chemical looping combustion/gasification process for generating electricity from coal. An important issue in the...

A New Approach for Quantification of Morphology-Property Linkages In Fuel Cell Materials: A Case Study for PEM Fuel Cells

Oct 17, 2011

Emin Caglan Kumbur

Due to the complex morphology and small length scales of many fuel cell materials, experimental quantification of the key properties of these materials can be expensive and quite difficult to conduct, if not impossible. As a result, modeling efforts become an imperative approach to evaluate the...

Graphitic Material with Engineered Graphene Units for High-Power Li Ion Battery Electrodes

Oct 16, 2011

Cary M. Hayner

Li ion batteries capable of delivering a high current without sacrificing voltage or energy density are highly desirable, since they can be recharged faster and provide longer operation time when used in devices that demand high power. In the current generation of batteries using graphite as the...

Carbon Impact On Lithium-Sulfur Battery Performance

Oct 16, 2011

Galen Suppes

Several carbons were evaluated for supporting sulfur in a lithium sulfur battery. The carbon properties had a significant impact on performance.

Novel Quaternary Ammonium Ionic Liquid Electrolyte for Stable, High Capacity Si Nanowire Based Li-Ion Battery

Oct 16, 2011

Vidhya Chakrapani

In recent years, there has been interest in silicon nanowires as an anode for Li-ion battery because of its large gravimetric capacity of 4200 mAh/g. 1D nanostructure are essential because they permit radial strain relaxation of mechanical stress which occurs due to the volumetric expansion (>...

Chemical Engineering Essentials from Academic Authors - Session Nine: Crystal Engineering for Size and Shape

Leadership Development Conference

Jul 20, 2011

Professor Michael F. Doherty

This webinar is intended to provide a survey of the fundamental concepts and methods for understanding crystallization from solution.

Chemical Engineering Essentials from Academic Authors - Session Eight - Fundamentals of Crystal Nucleation and Growth: Equilibrium Considerations

Leadership Development Conference

Jul 13, 2011

Michael Doherty

This webinar is intended to provide a survey of the fundamental concepts and methods for understanding crystallization from solution.

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