Design/Green Engineering

Greener Use of Fossil Fuels: Lithium from Coal

March 27, 2015
Geologists from the Hebei University of Engineering in Handan, China have devised a plan to extract the lithium previously discovered in coal deposits in the northern part of the...

Photochemical Reduction of CO2 Using Delafossite Oxides

Conference Presentation
AIChE Annual Meeting
Thursday, November 1, 2012 - 12:30pm-12:45pm
The photochemical reduction of CO 2 in the presence of H 2 O to form CO, CH 4 and other light gases with industrial value is an interesting approach...

On-Site Biological Graywater Treatment

Archived Webinar
Aug 1, 2012
An Appalachian State University research team, is innovating the field of biolgical water treatment by applying a proven technology to salon and spa...

Wood Pellets Self-Heating During Storage

Conference Presentation
AIChE Annual Meeting
Monday, October 17, 2011 - 8:00pm
Accidental fires in wood pellets silos happen frequently in the last five years. Experiments were carried out in this work at temperature range of...

An Osmotic Membrane Dehumidifier

Conference Presentation
AIChE Annual Meeting
Monday, October 17, 2011 - 8:00pm
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...

Using Catalytic Nanoparticles to Clean Water

Archived Webinar
Apr 15, 2010
In this talk, I will describe our work in improving the feasibility of these NP catalysts for groundwater remediation and in understanding how the...

Theoretical Screening Good Sorbents for CO2 Separation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
Carbon dioxide is the major product from coal combustion and is released into the air and causes global climate warming which we are facing today...

Hybrid Membrane Absorption Process for Post Combustion CO2 Capture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
Gas Technology Institute (GTI) and PoroGen Corporation are jointly developing a novel hybrid membrane – absorption process for pre- and post-...

Stripper Configurations for CO2 Capture by Aqueous Amines

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
A monumental task for improving the feasibility of carbon capture from the flue gas of coal-fired power plants is reducing the total energy cost. A...

Climate Change: Engineering R/D Needed!

Archived Webinar
Jan 13, 2009
There are large uncertainties in the climate change debate that reflect the absence of the engineering community. These uncertainties call into...

Best Practices for Hazardous-Waste Management

August
2008
Environmental Management
Isaac Powell
A waste generator can reduce the risks of incurring financial penalties and damage to its reputation by implementing these hazardous-waste determination, vendor management and document control programs.

How Sustainable are Your PSM Processes?

June
2003
Safety
R. Bruce Hartman, Martin C. Welch
Use this audit procedure to evaluate the current performance of your process safety management processes as well as their future viability.

Collect and Destroy Emissions Safely

May
2004
Environmental Management
Tony Ennis
Vent collection and destruction systems are complex, and their safety depends on the proper integration of the discrete elements. This article provides guidance on how to achieve that.

Nanomaterials: What are the Environmental and Health Impacts?

December
2008
Critical Issues
Nastassja Lewinski
As with previous emerging technologies, there have been uncertainties and concerns about the environmental and health risks associated with nanotechnology. This article reviews some of the ongoing efforts to better understand and characterize...

Predesign for Pollution Prevention and Control

June
2007
Environmental Management
Palligarnai T. Vasudevan, Gael D. Ulrich
A plant's intrinsic cleanliness is determined during the predesign stage. This article provides guidance for making critical decisions during preliminary design.

Specifying Vessels for High-Pressure Dust Collectors

October
2005
Environmental Management
Todd Russelburg
ASME codes and standards govern the design, fabrication, testing and certification of high-pressure dust collector vessels. This article will assist you in working with a code vessel designer and/or manufacturer.

Avoid Common Pitfalls When Using Henry's Law

September
2007
Environmental Management
Allan H. Harvey, Francis L. Smith
Here is practical guidance on the use of Henry's law in engineering calculations and how to account for the temperature dependence of the Henry's constant— which is often ignored but which can be crucial for accurate process design.

Mitigating Global Climate Change Through Power-Generation Technology

November
2007
Critical Issues
Frank Princiotta
With the Intergovernmental Panel on Climate Change set to release its Fourth Assessment Synthesis Report later this month, now is a good time for chemical engineers to take a look at this topic. This article provides a succinct integration of...

Industrial-Scale Flare Testing

May
2006
Environmental Management
Mahmoud Fleifil, Robert Schwartz, Charles Baukal, Jianhui Hong
Advanced flare testing at full scale can help to ensure that the system operates as designed. This article explains what's involved and the parameters that should be measured and evaluated to demonstrate performance, reliability and safety.

What Does It Mean To Be Green?

September
2009
Opinion
Phillip E. Savage, P.E.
Sustainability encompasses green chemistry and green engineering, among other concepts. This article explores some of the principles of sustainability and provides a framework for developing a lifecycle approach to chemical engineering.

Green Factories for Pharmaceuticals

January
2003
Special Section
Rita D'Aquino
A number of companies are honing techniques to produce a wide variety of pharmaceuticals, such as therapeutic proteins and monoclonal antibodies in plants.

Analyzing Equilibrium when Noncondensables Are Present

April
2008
Environmental Management
Allen Hatfield
With the simplifying assumption that all of the noncondensable gases exit via the vapor stream, material balances and equilibrium calculations can be used to determine the compositions of the emissions streams leaving a control device.

Right-Sizing Environmental Controls

June
2006
Environmental Management
E. Joseph Duckett
Size does matter - and bigger is not necessarily better when it comes to pollution control. It is more important to be the right size than the largest size.
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