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Marcellus Shale Gas Wastewater Reuse and Recycle

AIChE Webinar
Oct 3, 2012
Jessica Gray

This webinar provides background on how water is used for drilling and hydraulic fracturing and includes a review of hydraulic fracturing fluid composition and flowback and produced water quantity and composition.

Institute for Sustainability (IfS)

IfS is an umbrella organization encompassing a broad spectrum of activities related to sustainability. It has three sub-entities: the Sustainable Engineering Forum (SEF), the Center for Sustainable Technology Practices (CSTP), and the Youth Council on Sustainability Science and Technology (YCOSST). It also provides oversight to the AIChE Sustainability Index (sm).

Environmental Division (ENV)

The ENV division provides relevant programs on current environmental topics and non-confidential information concerning all aspects of environmental activity. The division promotes publication of papers of interest to chemical engineers in environmental activities as well as coordinates the Institute’s activities with other related societies.

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Comparison of Chemical and Biological Delignification of Cardboard

Oct 18, 2011
Estefania Isaza
Some processes aimed to biofuels production, use lignocellulosic wastes as feedstocks for fermentative conversion. If this is the case, pretreatment is required to make these resources fully digestible. Among a wide range of pretreatment options, this study focuses and compares oxidative-alkaline...

Reduction of Neptunium In Synthetic High Level Liquid Waste

Oct 18, 2011
Shaowei Li
High-level liquid waste (HLLW), which is produced from reprocessing of the spent nuclear fuel and contains actinides, 90Sr, 137Cs, 99Tc, 129I, etc., engenders permanent hazard to environment. The safe treatment and disposal of HLLW are crucial to sustainable development of nuclear energy. The TRPO...

Pyrolytic Pathways to Advanced Biofuels

Oct 18, 2011
R. C. Brown
Pyrolysis is the thermal conversion of carbonaceous materials in the absence of molecular oxygen to liquids, solids and gases. In the most general sense, pyrolysis can occur in an inert or reducing atmosphere or within a solvent (including water); it can occur at atmospheric or elevated pressure;...

New Design for Advanced Zero Emission Power Plant Concept

Oct 18, 2011
Wei Chen
The most significant anthropogenic greenhouse gas is CO 2 , which arises mainly from the use of fossil fuels. A new technology called Advanced Zero Emission Power Plant (AZEP) targeting CO 2 capture and storage (CCS) is being developed. In the AZEP concept, CO 2 -diluted O 2 is used to combust the...

Cellobiose Hydrolysis Using Acid-Functionalized Nanoparticles

Oct 18, 2011
Leidy Peña
Mineral acids have been used effectively for the pretreatment of cellulosic biomass to improve sugar recovery and promote its conversion to ethanol; however, substantial capital investment is required to enable separation of the acid, and corrosion-resistant materials are necessary. Disposal and...

Beyond Water: Expanding the Spectrum of Efficient Large Scale Separations

Oct 18, 2011
William J. Koros
Innovations in membrane materials, structures, modules and system design have fundamentally changed the water purification industry over the past four decades. Revolutionary reductions by a full order of magnitude in energy consumption per unit of delivered product were achieved by substituting...

An Osmotic Membrane Dehumidifier

Oct 17, 2011
Arthur S. Kesten
OSMOTIC MEMBRANE DEHUMIDIFIER It has long been known that relying on a vapor compression system to cool air down to the dew point in order to dehumidify is expensive to build and uses far too much energy to operate. The ability to dehumidify independently of cooling provides substantial advantage,...

Wood Pellets Self-Heating During Storage

Oct 17, 2011
Wendi Guo
Accidental fires in wood pellets silos happen frequently in the last five years. Experiments were carried out in this work at temperature range of 100 o C to 200 o C to study wood pellets chemical oxidation process. A self-heating model was developed to simulate the self-heating process using the...

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