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Jiang Group

University of Alabama

About

About Us

We combine environmental engineering and industrial ecology to develop holistic solutions for some of the most critical sustainability challenges facing modern economies. 

We have three main focus areas:

  • Bio-Electrochemical Systems (BES)

  • Material Flow Analysis (MFA)

  • Life Cycle Assessment (LCA)

News

Group News

January, 2021

Cassandra and Hye-Jeong joined the group as PhD students. Welcome!

Dec, 2021

George successfully defended his MS. Congratulations! 

 

August, 2021

Adriana joined the group as a PhD student. Welcome!

May, 2021

We are moving to the University of Alabama this fall. Last group dinner in Butte, MT. 

 

 

March, 2021

Dr. Jungyu Park is now an assistant professor in Chosun University. Congratulations! 

January, 2021

George and Cassandra have joined the group as MS students. Welcome!

Our work on estimating the generation of non-hazardous industrial wastes in the United States has been published in Resources, Conservation and Recycling. A big thanks to our collaborators from Yale University and Northeastern University. Link to article

Aug, 2020

Group BBQ

June, 2020

Coming back to work

 

 

 

 

May, 2020

Jun-Gyu's first catch

 

April, 2020

Jinjin successfully defended her MS thesis 

 

March, 2020

Dr. Jun-Gyu Park joins the group as a postdoctoral scholar. Welcome!

Jinjin will join Princeton University as a PhD student in 2020 Fall. Congratulations!

February, 2020

Ashton and Justin will present posters at 2020 National Conference on Undergraduate Research (cancelled due to COVID-19) 

August, 2019

Taymee and Ashton presented posters at American Chemical Society

Meeting (San Diego, CA)

May, 2019

Taymee successfully defended her MS thesis and will join Purdue University as a PhD student

in 2019 Fall. Congratulations!

April, 2018

"Digger Denitrification" won 1st place (task 7) and innovation award

at 28th WERC Environmental Design Contest (Las Cruces, NM).

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Research

 

Bio-Electrochemical Systems (BES)

Bio-electrochemical denitrification

BES's capability to achieve organic carbon-free denitrification may have real-world engineering implications. Our work integrates process engineering, molecular biology, and statistical modeling to investigate the function-condition-community relationships in BES denitrification, with the goal of further developing the technology in a mechanism-informed fashion.  

References:

T. Brandon, B. Stamps, A. Cummings, T. Zhang, X. Wang, D. Jiang. (2020). Poised potential is not an effective strategy to enhance bio-electrochemical denitrification under cyclic substrate limitations. Science of the Total Environment. 

Material Flow Analysis (MFA)

Poly- and perfluoroalkyl substances (PFAS) in carpet

PFAS are a family of ubiquitous, persistent, and potentially toxic organofluorine compounds. They are widely used in consumer products such as carpet. Our work applies stocks and flows modeling to estimate the PFAS use, accumulation, and emissions through carpet in 2000-2030 under different policy scenarios, with the goal of informing risk assessment and policy making. 

References:

J. Chen, L. Tang, WQ. Chen, G. Peaslee, D. Jiang. (2020). The flows, stock, and emissions of poly- and perfluoroalkyl substances (PFAS) in California carpet in 2000-2030 under different scenarios. Environmental Science & Technology.

Life Cycle Assessment (LCA)

Life cycle environmental performance of early-stage technologies

Living filtration membranes (LFMs) are a bio-based ultrafiltration (UF) membrane developed by Zodrow lab @ Montana Tech. In lab tests, LFMs showed great promise as a fouling-resistance and self-healing UF membrane. Our work utilizes LCA and global sensitivity analysis to identify how to most efficiently improve the environmental performance of LFMs in future R&D.  

References:

D. Jiang, D. Hou, C. Bechtel, K. Zodrow, T. Zhang, R. Myers. (2020). Permeability is the critical factor governing the life cycle environmental performance of drinking water treatment using living filtration membranes. Environmental Science & Technology. 

Non-hazardous Industrial Waste (NHIW)

Quantity and composition of NHIW

Each year  the industrial sector creates hundreds of millions of tons of non-hazardous wastes. These secondary materials are typically sent for disposal, but some have the potential to be beneficially used instead. In a recent study, we collaborated with researchers from Yale University and Northeastern University and quantified the amount of non-hazardous industrial wastes generated in the United States from 2000 to 2050, and their main chemical compositions. 

References:

J. Chen, X. Li, K. Huang, M. Eckelman, M. Chertow, D. Jiang*. (2021). Non-hazardous industrial waste in the United States: 100 million tonnes of recoverable resources. Resources, Conversation & Recycling. 

Research

Meet The Group

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Dr. Daqian Jiang

Assistant Professor

PhD, Univ. of Connecticut

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Dr. Tahir Maqbool

Assistant Research Professional

PhD, Sejong Univ. (S. Korea) 

Tahir earned his Ph.D. in 2018 from Sejong University (South Korea) and worked as Postdoctoral researcher at Tsinghua University (China). He has experience in water and wastewater treatment, and monitoring the dissolved organic matter (DOM) in engineering and natural aquatic systems. He has developed some spectroscopic signatures for online monitoring of water quality and understanding the microbial activity. He likes meeting with his friends, playing snooker and table tennis, and spending time with wife and son.

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Dr. Qingshi Wang

Assistant Research Professional

PhD, China Univ. of Forestry

Qingshi is doing research on bio-electrochemcial systems, trying to analyze the microbial community within the system. For the free time, he takes bicycling and mountain-climbing as the best choice to relax himself.

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Cassandra Carpio 

PhD student

BS, Michigan Tech

Cassi is working on using bioelectrochemical systems for nutrient reduction in surface waters from agricultural runoff. Previously, she was a Peace Corps Volunteer in The Gambia, West Africa. She enjoys the outdoors, playing sports, knitting, playing video games, and traveling. 

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Adriana Riveros

PhD student

MS, Colorado State Univ. Pueblo

Adriana is working on selenium remediation. In her free time, she loves to play racquetball, outdoor activities and spent time with her husband and her puppy.

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Hye-Jeong Kwon

PhD student

MS, Chungbuk National University

Hye-Jeong is doing research on bioelectrochemcial systems. She enjoys delicious food, watching Netflix shows and travel. Most of all, she loves hanging out with people. 

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Dr. Jinze Li 

Postdoctoral Associate

PhD, Leigh Univ

Dr. Jinze Li obtained his Ph.D. in 2018 from Lehigh University, where his doctoral research centered on removing trace contaminants using nano metal oxide doped ion exchangers. His previous postdoctoral work validated the feasibility of CO2-driven desalination for water and wastewater treatment in real-world settings. His expertise spans hybrid ion exchange, trace contaminant removal, nanoengineering, membrane science, and sustainable resource recovery. During his free time, he likes photography and traveling with family.

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Dr. Yuhao Wang

Postdoctoral Associate

PhD, Arizona State Univ

Yuhao earned his PhD in Mechanical Engineering from Arizona State University, his research interest lies in the risk assessment and safety prediction in engineering systems using Bayesian methods and machine learning algorithms. He is looking into applying advanced data-modeling techniques into Material Flow Analysis and Life Cycle Analysis. In his free time, he enjoys playing sports and boardgaming. 

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TBD

Postdoctoral Associate

PhD, TBD

TBD. 

Contact
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Mingming Chen 

PhD student

MS, Southeast Univ (China)

To be updated

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Helia Khatami

PhD student

MS, Univ. of Tehran

Helia is a PhD student in Environmental Engineering. She is doing research on the Life Cycle Assessment (LCA) of Sustainable Aviation Fuel (SAF) production processes to identify the most sustainable way to produce SAFs. During her free time, she enjoys going to the gym, socializing with her friends, and savoring a cup of coffee at a cafe

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Emmy Ogunmoroti

PhD student

MS, Shandong Univ

Often known as Emmy, I have a bachelor’s degree in industrial chemistry and a master’s in environmental science and engineering. I’m passionate about using LCA as a tool to drive environmental sustainability. Previously, I had worked on the environmental impact of food waste using conceptual lifecycle framework, and right now I’m focused on lifecycle assessment of sustainable construction materials. Outside of academics you'll find me indulging my love for outdoor activities like football/soccer, and hiking, exploring fun places, playing board games, and being suck at photography. Yeah, I take bad pictures for fun

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Yanli Li 

PhD student

MS, Tongji Univ

To be updated 

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Amirhossein Mostofifar

PhD student

BS, Sharif Univ of Technology

To be updated.

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Contact

Email:  daqian.jiang@ua.edu
Phone: +1-205-348-0062

Mail: 3043 H.M. Comer, 245 7th Avenue, Tuscaloosa, AL 35487 , MT 59701

Alumni

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Dr. JunGyu Park

Postdoc 2020-2021

Currently assistant professor at
Chosun University

 
 

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Taymee Brandon
MS 2019

Currently PhD student at
Purdue University

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Jinjin Chen
 MS 2020

Currently PhD student at
Princeton University

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Ashton Cummings
BS 2020
Currently a PhD student at Oregon State University

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Kile Denny
MS 2020
Currently staff engineer at Pioneer Technical Services Inc.

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George Barrett
MS 2021
Currently Engineer-In-Training at AE2S Inc.

Alumni
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Emily McGinnis

Current a senior at Montana Technological University

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