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October 2014 Luncheon - "Sustainable Anaerobic Co-Digestion in Wastewater Treatment"

You are invited to the next
American Society of Civil Engineers
North Carolina Section
Eastern Branch

Register online right now

Deadline to RSVP is 5:00pm, Wednesday,  October  15th , 2014

Speaker: Dr. Aziz, NCSU

Date: Thursday, October 16, 2014

Topic: "Sustainable Anaerobic Co-Digestion in Wastewater Treatment"

Time: 12:00pm to about 1:30pm

Summary: Dr. Aziz is a faculty member in the NC State Department of Civil, Construction and Environmental Engineering. He is interested in the interface of environmental process engineering and energy. This includes topics such as the conversion of waste materials to fuel (anaerobic digestion, biofuels, waste incineration, gasification, etc), and sustainability considerations of these, and more traditional, processes. To help explore these research questions he makes use of experimentation, computational fluid dynamics, and life-cycle assessment tools.

About the Topic:  Anaerobic digestion at wastewater treatment facilities, if operated appropriately, can serve as a net energy producer. Despite this fact, as of 2011 the US EPA estimated that less than 10% of wastewater treatment facilities currently with anaerobic digesters utilized biogas for combined heat and power (CHP). Biogas production levels, infrastructure cost, and process stability are commonly cited as reasons why anaerobic digestion is not more widely used. 

One way to enhance biogas and generate revenue at these facilities is through tipping fees received for the co-digestion of high-strength, low-value waste streams. The aim of our research at NC State is to develop co-substrate loading approaches that can sustainably enhance biogas production and to elucidate the favorable microbial community shifts that enable those biogas enhancements.

This presentation will summarize some of the exciting advances our team has made in the sustainable co-digestion of GIW and discuss the techno-economic tool we are developing to explore the feasibility of infrastructure upgrades for further energy recovery from wastewater.

Sponsor:  Duke University Department of Civil and Environmental Engineering

Location:  We hold our monthly luncheons at the beautiful NC State University Club at 4200 Hillsborough Street, Raleigh, North Carolina, 27606. You can contact the NC University Club at (919) 828-0308 if you need assistance locating their establishment.

Costs:  The luncheon rates are $25 for ASCE Members, $30 for Non-ASCE Members, and $10 for ASCE Life Members, Students, and Unemployed ASCE Members. If you are paying at the door, please bring cash or a check made out to "ASCE NC Eastern Branch".

You can register and pay for the event online right now using your credit card. There are no additional fees, and no accounts or magic passwords needed either. You will be able to specify your meal preference during registration. Upon arrival at the luncheon, just check-in at the registration table using your name.

We understand your schedule may change and you might not be able to make it to the event. Cancellations with refunds can be honored up until 48 hours before the event starts. If you are neither able to attend nor cancel in time, you may send a replacement. To help Professional Engineers in attendance acquire 15 Professional Development Hour (PDH) units per license renewal period in accordance with 21 NCAC 56.1703, we offer one PDH certificate after the presentation.

Our online system handles all registrations and payments.  Even if you don't want to pay online, you still use the online system to register. The online system will also allow you to specify your meal preference (Omnivorian or Vegetarian). Upon arrival at the luncheon, just check-in and pay at the registration table using your name.

For questions regarding registration please contact Dave Skurky, Eastern Branch Secretary, at (

We'd like to thank the Civil & Environmental Engineering Department at Duke University for sponsoring this month's event.  Please share your gratitude with them at the meeting!