Welcome to the Aquatic Chemistry Laboratory at Washington University in St. Louis!

Research in the Aquatic Chemistry Laboratory investigates chemical reactions affecting the fate and transport of heavy metals, radionuclides, and other inorganic contaminants in natural and engineered aquatic systems. Specific topics include reactions at the Solid-Water Interface, Drinking Water Treatment, Contaminated Site Remediation, Energy Byproducts in the Environment, Biogeochemistry of Metals in Soils and Sediments, Geochemical Aspects of Carbon Sequestration.

Recent Publications

Google Scholar : Daniel Giammar

January 2019, Chao's paper "Understanding the Roles of Dissolution and Diffusion in Cr(OH)3 Oxidation by δ-MnO2" is published in ACS Earth Space Chem.  (full text)

November 2018, Our co-authored paper led by Dr. Lora L Iannotti at Brown school yields "Water metal contaminants in a potentially mineral-deficient population of Haiti" is published in International journal of environmental health research.  (full text)

September 2018, Our co-authored paper led by Dr. Yandi Hu at University of Houston yields "Formation and aggregation of lead phosphate particles: Implications for lead immobilization in water supply systems" is published in Environmental Science & Technology.  (full text)

July 2018, Our co-authored paper led by Dr. Brian R. Ellis's group "Permanent CO2 Trapping through Localized and Chemical Gradient-Driven Basalt Carbonation" is published in Environmental Science & Technology. (full text)

July 2018, Our co-authored paper led by Dr. Yandi Hu at University of Houston yields "Heterogeneous Lead Phosphate Nucleation at Organic-Water Interfaces: Implications for Lead Immobilization" is published in ACS Earth Space Chem.  (full text)

May 2018, Our co-authored paper led by John Fortner's group "Engineered superparamagnetic nanomaterials for arsenic(V) and chromium(VI) sorption and separation: Quantifying the role of organic surface coatings" is published in Environmental Science: Nano.  (full text)

Apr. 2018, Zezhen's collaboration with Li Li and Hang Wen at Penn State yields the paper "Enhanced uranium immobilization by phosphate amendment under variable geochemical and flow conditions: Insights from reactive transport modeling" published in Environmental Science & Technology.  (full text)

Mar. 2018, Wei's paper "CO2 Mineral Sequestration in Naturally Porous Basalt" is published in Environmental Science & Technology Letters.

Nov. 2017, Chao's paper "Rates of Cr(VI) generation from CrxFe1-x(OH)3 solids upon reaction with manganese oxide" is published in Environmental Science & Technology.  (full text)

Nov. 2017, Wei's paper "CO2 mineral trapping in fractured basalt" is published in International Journal of Greenhouse Gas Control.  (full text)


February 2019.  Guiwei Li from Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences joins the group.

January 2019.  Neha officially joins the group.

August 2018. Former PhD student, Zimeng Wang, moved back to  China and became a professor at Fudan University, congratulations Dr. Wang!

May 2018.  Anushka and Weiyi pass the doctoral qualifying exam.

January 2018.  Our new project on sodium silicates as lead corrosion inhibitors sponsored by PQ Corporation starts.

December 2017.  We welcome Anushka Mishrra and Weiyi Pan into the group as new doctoral students.

November 2017.  Chao defends her thesis on the coupling of redox reactions involving chromium, iron, and manganese.

October 2017.  Dan attends the 9th National Conference on Environmental Chemistry in Hangzhou, China.

August 2017.  Zezhen defends her thesis on the sorption of metals onto natural sediments and engineered iron oxide nanoparticles.

August 2017.  We are starting a new National Science Foundation project supported by the Environmental Chemical Sciences program.

Jun 2017.  Dr. Xiaoliu Huangfu arrived from Chongqing University to begin a 1-year position as a visiting scholar supported by the China Scholarship Council

May 2017.  Anshuman passed his qualifying exam.

April 2017. Wei successfully defended her thesis defense. Congratulations Dr. Xiong!

February 2017.  Congratulations to Yeunook on successfully presenting his thesis proposal.

January 2017, Dan co-led a panel of a DOE Basic Research Needs Workshop on the Energy-Water Nexus that was focused on water quality and quantity issues associated with energy production and carbon sequestration.

Former PhD student, Zimeng Wang, started an assistant professor position at Louisiana State University. 

July 2016, a new project focused on the timing and mechanisms of phosphate addition for control of lead in drinking water distribution systems officially started.  The work is a collaboration with Jill Pasteris in Earth and Planetary Sciences and with Yandi Hu at the University of Housto.  The project is supported by the National Science Foundation and the Water Research Foundation.

Group News

February 18, 2019, Yeunook won 2nd place in Spring 2019 3MT (3 Minute Thesis) competition.

Decemberr 27, 2018, Dr. Giammar was interviewed by St. Louis Public Radio for our research on lead release from lead pipes. (Link)

November 21, 2018, our research on lead-phosphate interaction collaborated with Dr. Yandi Hu at University of Houston was highlighted by C&EN!  (Link)

November 14, 2018, Yeunook received Best Poster Award (Second Place) in Water Quality Technology Conference (WQTC).

November 11-14, 2018, Dan, Anushka, and Yeunook participated in Water Quality Technology Conference (WQTC) which was held in Toronto, Ontario, Canada.

October 23, 2018, Dr. Catalano and Dr. Giammar obtained a $540,000 grant from the Department of Energy (DOE) Office of Biological & Environmental Research for their wetlands research. This project is focusing on how humans alter wetlands. (Link)

October 19, 2018, Yeunook received the Best Presentation Award at the 24th Annual Mid-American Environmental Engineering Conference at Missouri S&T Rolla.

August 21, 2018, Yeunook received the C. Ellen Gonter Environmental Chemistry Award at American Chemical Society at Boston, MA. 

May 11, 2018, our research on carbon sequestration was in the media! St. Louis Public Radio interviewed Dr. Giammar for different methods to cut down on greenhouse gases. (Link)

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