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Dr. Eakalak Khan, P.E.
Professor and Dept. Chair

Department of Civil Engineering
Office: CIE 201
Telephone: (701) 231-7717
Fax: (701) 231-6185
Email: Eakalak.Khan@ndsu.edu

Education

• Ph.D., University of California, Los Angeles (UCLA), 1997

Courses

1. CE 370 Introduction to Environmental Engineering
2. CE 472/672 Solid Waste Management
3. CE 768 Advanced Water and Wastewater Laboratory
4. CE 770 Hazardous Waste Management

Research Interests

• Water and wastewater quality especially on biodegradability
• Biological process development for water and wastewater treatment
• Removal of hazardous chemicals from water and wastewater
• Stormwater and non-point source pollution control

Publications

Recent Journal Publications (last 3 years)

1. Bezbaruah, A., Shanbhogue, S., Simsek, S., Khan, E. (2011) Encapsulation of Iron Nanoparticles in Alginate Biopolymer for Trichloroethylene Remediation. Journal of Nanoparticle Research, 13(12), pp. 6673-6681.

2. Schuh, M., Casey, F., Hakk, H., DeSutter, T., Richards, K., Khan, E., and Odour, P. (2011) Effects of Field-Manure Applications on Stratified 17 β-Estradiol Concentrations. Journal of Hazardous Materials, 192(2), pp. 748-752.

3. Pramanik, S., Khanna, R., Katti, K., McEvoy, J., and Khan, E. (2011) Effects of Entrapment on Nucleic Acid Content, Cell Morphology, Cell Surface Property and Stress of Pure Cultures Commonly Found in Biological Wastewater Treatment. Applied Microbiology and Biotechnology, 92(2), pp. 407-418.

4. Kasi, M., McEvoy, J., Padmanabhan, G., and Khan, E. (2011) Groundwater Remediation Using Enricher Reactor - Permeable Reactive Biobarrier for Periodically Absent Contaminants. Water Environment Research, 83(7), pp. 603-612.

5. Fan, Z., Casey, F., Hakk, H., Larsen, G., and Khan E. (2011) Sorption, Fate, and Mobility of Sulfonamides in Soils. Water, Air, and Soil Pollution, 218(1), pp. 49-61.

6. Zitnick, K., Shappell, N., Hakk, H., DeSutter, T., Khan, E., and Casey, F. (2011) Effects of Liquid Swine Manure on Dissipation of 17β-Estradiol in Soil. Journal of Hazardous Materials, 186(2-3), pp. 1111-1117.

7. Schuh, M., Casey, F., Hakk, H., DeSutter, T., Richards, K., Khan, E., and Odour, P. (2011) An On-Farm Survey of Spatial and Temporal Stratifications of 17β-Estradiol Concentrations. Chemosphere, 82(11), pp. 1683-1689.

8. Pramanik, S., McEvoy, J., Siripattanakul, S., and Khan, E. (2011) Effects of Cell Entrapment on Nucleic Acid Content and Microbial Diversity of Mixed Cultures in Biological Wastewater Treatment. Bioresource Technology, 102(3), pp. 3176-3183.

9. Wadhawan, T., Maruska, Z., Siripattanakul, S., Hill, C., Gupta, A., Prüβ, B., McEvoy, J., and Khan, E. (2011) A New Method to Determine Initial Viability of Entrapped Cells Using Fluorescent Nucleic Acid Staining. Bioresource Technology, 102(2), pp.1622-1627.

10. Ratpukdi, T., Casey, F., DeSutter, T., and Khan, E. (2011) Bromate Formation by Ozone-VUV in Comparison with Ozone and Ozone-UV: Effects of pH, Ozone Dose, and VUV Power. Journal of Environmental Engineering-ASCE, 137(3), 187-195.

11. Kostarelos, K., Khan, E., Callipo, N., Velasquez, J., and Graves, D. (2011) Field Study of Catch Basin Inserts for the Removal of Pollutants from Urban Runoff. Water Resources Management, 25(4), pp. 1205-1217.

12. Wadhawan, T., McEvoy, J., Prüβ, B., and Khan, E. (2010) Assessing Tetrazolium and ATP Assays for Rapid In Situ Viability Quantification of Bacterial Cells Entrapped in Hydrogel Beads. Enzyme and Microbial Technology, 47(4), pp. 166-173.

13. Siripattanakul, S., Pochant, C., and Khan, E. (2010) Nitrate Removal from Agricultural Infiltrate by Bioaugmented Free and Alginate Entrapped Cells. Water Environment Research, 82(7), pp. 617-621.

14. Ratpukdi, T., Siripattanakul, S., and Khan, E. (2010) Mineralization and Biodegradability Enhancement of Natural Organic Matter by Ozone-VUV in Comparison with Ozone, VUV, Ozone-UV, and UV: Effects of pH and Ozone Dose. Water Research, 44(11), pp. 3531-3543.

15. Inthorn, D., Tipprasertsin, K., Thiravetyan, P., and Khan, E. (2010) Color Removal from Textile Wastewater by Using Treated Flute Reed in a Fixed Bed Column. Journal of Environmental Science and Health Part A, 45(5), 637-644.

16. Rongsayamanont, C., Limpiyakorn, T., Law, B., and Khan, E. (2010) Relationship between Respirometric Activity and Community of Entrapped Nitrifying Bacteria: Implications for Partial Nitrification. Enzyme and Microbial Technology, 46(3-4), pp. 229-236.

17. Ratpukdi, T., Bezbaruah, A., Rice, J., Chilom, G., and Khan, E. (2009) Rapid Natural Organic Matter Fractionation Using a Novel Solid Phase Extraction Technique. Water Environment Research, 81(11), pp. 2299-2308.

18. Khan, E., Awobamise, M., Jones, K., and Murthy, S. (2009) Method Development for Measuring Biodegradable Dissolved Organic Nitrogen in Treated Wastewater. Water Environment Research, 81(8), pp. 779-787.

19. Pramanik, S. and Khan, E. (2009) Effects of Cell Entrapment on Growth Rate and Metabolic Activity of Pure Cultures Commonly Found in Biological Wastewater Treatment. Biochemical Engineering Journal, 46(3), pp. 286-293.

20. Khan, E., Khaodhir, S., and Ruangrote, D. (2009) Effects of Moisture Content and Initial pH in Composting Process on Heavy Metal Removal Characteristics of Grass Clipping Compost Used for Stormwater Filtration. Bioresource Technology, 100(19), pp. 4454-4461.

21. Siripattanakul, S., Wirojanagud, W., McEvoy, J., Casey, F. X. M., and Khan, E. (2009) A Feasibility Study of Immobilized and Free Mixed Culture Bioaugmentation for Treating Atrazine in Infiltrate. Journal of Hazardous Materials, 168(2-3), pp. 1373-1379.

22. Thompson, M., Casey, F. X. M., Khan, E., Hakk, H., Larsen, G. L. (2009) Occurrence and Pathways of Manure-Borne 17β-Estradiol in Vadose Zone Water. Chemosphere, 76(4), pp. 472-474.

23. Bezbaruah, A. N., Krajangpan, S., Chisholm, B. J., Khan, E., and Elorza, J. J. (2009) Entrapment of iron nanoparticles in calcium alginate beads for groundwater remediation applications. Journal of Hazardous Materials, 166(2-3), pp. 1339-1343.

24. Siripattanakul, S., Wirojanagud, W., McEvoy, J., Limpiyakorn, T., and Khan, E. (2009) Atrazine Degradation by Stable Mixed Cultures Enriched from Agricultural Soil and Their Characterization. Journal of Applied Microbiology, 106(3), pp. 986-992.

25. Siripattanakul, S., Wirojanagud, W., McEvoy, J., Casey, F. X. M., and Khan, E. (2009) Atrazine Removal in Agricultural Infiltrate by Bioaugmented Polyvinyl Alcohol Immobilized and Free Agrobacterium radiobacter J14a: A Sand Column Study. Chemosphere, 74(2), pp. 308-313.

26. Khan, E., Wirojanagud, W., and Sermsai, N. (2009) Effects of Iron Type in Fenton Reaction on Mineralization and Biodegradability Enhancement of Hazardous Organic Compounds. Journal of Hazardous Materials, 161(2-3), pp. 1024-1034.

Complete List of Publications