WEBNET Research Group

Water-Energy-Biotech-Nanocomposite nexus Environmental Technology

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Ahn Young-Ho, Ph.D

Professor in Environmental Science and Engineering

Senior Fellow, Institute of Industrial Technology Yeungnam University

Department of Civil Engineering

Yeungnam University

Gyeongsan, 38541,Republic of Korea

E-mail: yhahn@ynu.ac.kr

Phone) +82-53-810-3511; Fax) +82-53-810-4622





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Dr. Ahn Young-Ho has a PhD from Kyungpook National University (KNU, 1995) Korea, in Civil Engineering and postdoctoral research from Vanderbilt University (VU, 2000), USA. He was a visiting professor at PennState University(PSU, 2007-2009), USA and Ecole Polytechnique Montreal (EPM, 2006), Canada. He teaches undergraduate and postgraduate students of Environmental Engineering and Water and Wastewater Engineering. He is interested in the environmental technologies needed for water pollution control, green renewable energy, and sustainability. The research focus of the Ahn’s group is Water-Energy-Biotech-Nano nexus Environmental Technology (WEBNET) to achieve a sustainable environmental infrastructure.

(From left: Sarker MAR, Qazi H, Ashraf Y, Durai M, Itagi M, Ishaque F, Chauhan D, Ahn YH,
Singh R, Naik G, Das S, Mukherjee A, Anam G, Qamar O, Ayyaru S, Manoharan R)



Refereed Journals

1.    Anam, G., Muthusamy, G., Ahn, Y.H. (2022). Assessment of nitrogen interaction with temperature on the growth and toxin production of mat-forming toxin-producing Anagnostidinema carotinosum, Journal of Applied Microbiology, 133, 2851-2863. (DOI:10.1111/jam.15784)

2.    Sathishkumar, K., Ragupathy, S., Karunanithi, M., Krishnakumar, M., Durai, M., Ahn, Y-H. (2022). Effect of cobalt incorporation on the photocatalytic degradation of brilliant green using SnO2 nanoparticles under visible light irradiation, Inorganic Chemistry Communications, 145, 110031. (DOI:10.1016/j.inoche.2022.110031)

3.    Anam, G., Guda, D.R., Ahn, Y.H. (2022). Impact of melatonin on the hydrogen peroxide treatment efficacy in Microcystis aeruginosa: cell growth, oxidative stress response, and gene transcription, Chemosphere, 307(P4), 136036.(DOI:10.1016/j.chemosphere.2022. 136036)

4.    Manoharan, R., Raorane, C.J., Ishaque, F., Ahn, Y.H. (2022). Antimicrobial photodynamic inactivation of wastewater microorganisms by halogenated indole derivative capped zinc oxide, Environmental Research, 214, Part 3, 113905.(DOI:10.1016/j.envres.2022.113905)

5.    Durai, M., Chauhana, D., Durai, M., Saravananc, M., Kumaravel, S., Erusappan, E., Ahn, Y.H. (2022). Layered KTO/BiOCl nanostructures for the efficient visible light photocatalytic degradation of harmful dyes, Chemosphere, 306, 135659. (DOI:10.1016/j.chemosphere.2022. 135659)

6.    Mukherjee, A., Das, S., Ahn, Y.H. (2022). Synergistic effect of sono-photocatalysis with blue LED and natural photosensitizer terpinolene for rapid disinfection of multi-drug resistant coliform bacteria in wastewater, Journal of Water Process Engineering, 49, 103186. (DOI:10.1016/j.jwpe.2022.103186)

7.    Sarker, M.A.R., Ahn, Y-H. (2022). Photodynamic inactivation of multidrug-resistant bacteria in wastewater effluent using green phytochemicals as a natural photosensitizer, Environmental Pollution, 311, 120015. (DOI:10.1016/j.envpol.2022.120015)

8.    Ayyaru, S., Ahn, Y.H., (2022). Fabrication and application of novel high strength sulfonated PVDF ultrafiltration membrane for production of reclamation water, Chemosphere, 305, 135416.(DOI:10.1016/j.chemosphere.2022.135416)

9.    Mukherjee, A., Das, S., Ahn, Y.H. (2022). Sono-photocatalytic disinfection of high strength multi-drug resistant Klebsiella pneumonia in presence of blue LED-active CdS nanorods, Journal of Environmental Chemistry Engineering, 10(5), 108460. (DOI:10.1016/j.jece.2022.108460)

10.  Das, S., Ahn, Y.H. (2022). Preparation of P-doped CdS nanorods as efficient photocatalyst for the degradation of the emerging pollutant tetracycline antibiotic under blue LED light irradiation, Dalton Transaction, 51, 13559-13572. (DOI:10.1039/ D2DT02299K)(HOT article)

11.  Naik, G.K., Ahn, Y-H. (2022). LED light-induced enhanced photocatalytic hydrogen evolution on Au@TiO2 core-shell modified by nitrogen doping and reduced graphene oxide, International Journal of Hydrogen Energy, 47, 32121-32132. (DOI:10.1016/ j.ijhydene.2022.07.124)

12.  Das, S., Ahn, Y.H. (2022). Synthesis of P-doped CdS nanorods for efficient blue LED light induced photocatalytic hydrogen evolution, Sustainable Energy & Fuels, 6, 4299-4310. (DOI:10.1039/d2se01017h)

13.  Manoharan, R., Ishaque, F., Ahn, Y.H. (2022). Fate of antibiotic resistant genes in wastewater environment and treatment strategies- a review, Chemosphere, 298, 134671. (DOI:10.1016/j.chemosphere.2022.134671)

14.  Murugasamy, J., Ramalakshmi, N. , Pandiyan, R., Ayyaru S., Jayaraman, V., Ahn, Y-H. (2022) Synthesis and characterization of sulfonated hafnium oxide nanoparticles for energy storage devices, Inorganic Chemistry Communications, 141, 109615. (DOI:10. 1016/j.inoche.2022.09615)

15.  Sarker, M.A.R., Ahn, Y-H. (2022). Green phytoextracts as natural photosensitizers in LED-based photodynamic disinfection of multidrug-resistant bacteria in wastewater effluent, , Chemosphere, 297, 134157. (DOI:10.1016/j.chemosphere.2022.134157)

16.  Ravikumar, S., Durai, M., Khan, M.R., Ahmad, N., Gajalakshmi, P., Surya, C., Sivaraj, D., Pandiyan, V., Ahn, Y.-H. (2022). Effect of silver incorporation on the photocatalytic degradation of Reactive Red 120 using ZnS nanoparticles under UV and solar light irradiation, Environmental Research, 209, 112819. (DOI: 10.1016/j.envres.2022.112819)

17.  Mukherjee, A., Ahn, Y.H. (2022). Terpinolene as an enhancer for ultrasonic disinfection of multi-drug resistant bacteria in hospital wastewater, Environmental Science and Pollution Research, 29, 34500-34514. (DOI:10.1007/s11356-022-18611-6.)

18.  Monisha, S., Amutha, P., Chinnasamy, S., Komalavalli, L., Balu, K., Durai, M., Ahn, Y.H. (2022). Facile approach for green synthesis of fluorescent carbon dots from Manihot esculenta and their potential applications as sensor and bio-imaging agents, Inorganic Chemistry Communications, 137, 109219. (DOI: 10.1016/j.inoche.2022.109219)

19.  Das, S., Ahn, Y.H. (2022). Synthesis and application of CdS nanorods for LED-based photocatalytic degradation of tetracycline antibiotic, Chemosphere, 291, 132870. (DOI: 10.1016/j.chemosphere.2021.132870)

20.  Raman, G., Ayyaru, S., Park, S.J., Ahn, Y.H. (2022). Genome characterization of the novel lytic genome sequence of phage YUEEL01 of the Myoviridae family, Virus Research, 309, 198670. (DOI:10.1016/j.virusres.2021.198670)

21.  Yadav, S., Anam, G., Ahn, Y.H. (2022). Comparative growth characteristics and interspecific competitive interaction of two cyanobacteria, Phormidium autumnale and Nostoc sp., Journal of Environmental Quality, 51(1), 78-89. (DOI:10.1002/jeq2.20305)

22.  Ravikumar, S., Durai M., Balu K., Pandiyan, V., Ahn, Y.H. (2021).Ag-TiO2@Pd/C nanocomposites for efficient degradation of Reactive Red 120 dye and ofloxacin antibiotic under UV and solar light and its anti-microbial activity, Journal of Environmental Chemical Engineering, 9(6), 106657. (DOI:10.1016/j.jece.2021.106657)

23.  Yadav, S., Ahn, Y.H. (2021). Growth characteristics of lytic cyanophages newly isolated from the Nakdong River, Korea, Virus Research, 306, 198600. (DOI:10.1016/j.virusres.2021.198600)

24.  Durai, M., Kumaravel, S., Mukannan, A., Balu, K., Thiripuranthagan, S., Ahn, Y.H. (2021). Esterification of valeric acid over PTA supported mesoporous Al‑SBA‑15 as efficient solid acid catalysts, Journal of Porous Materials, 28, 1907-1917. (DOI:10.1007/s10934-021-01131-y)

25.  Manoharan, R.K., Srinivasan, S., Shanmugam, G., Ahn, Y.H. (2021). Shotgun metagenomic analysis reveals the prevalence of antibiotic resistance genes and mobile genetic elements in full scale hospital wastewater treatment plants, Journal of Environmental Management, 296, 113270. (DOI: 10.1016/j.jenvman.2021.113270)

26.  Ayyaru, S., Pandiyan, R., Ahn, Y.H. (2021). Antibacterial and adsorption properties of sulfonated GO-PVDF nanocomposite ultrafiltration membranes for environmental applications, Journal of Environmental Engineering-ASCE, 147(10), 04021042. (DOI:10.1061/(ASCE)EE.1943-7870.0001915)

27.  Mahalingam, S., Ayyaru, S., Ahn, Y.H. (2021). Facile one-pot microwave assisted synthesis of rGO-CuS-ZnS hybrid nanocomposite cathode catalysts for microbial fuel cell application, Chemosphere, 278, 130426. (DOI: 10.1016/j.chemosphere.2021.130426)

28.  Yadav, S., Anam, G.B., Ahn,Y.H. (2021). Influence of abiotic factors on the growth characteristics of cyanobacteria isolated from Nakdong river, South Korea, Journal of Phycology, 57(3), 874-885. (DOI: 10.1111/jpy.13143)

29.  Manoharan, R,K., Gangadaran, P., Srinivasan, S., Ahn, B.C. Ahn, Y.H. (2021). Self-healing functionalization of sulfonated hafnium oxide and copper oxide nanocomposite for effective biocidal control of multidrug-resistant bacteria, New Journal of Chemistry, 45(21), 9506-9517. (DOI: 10.1039/D1NJ00323B)

30.  Mahalingam, S., Durai, M., Sengottaiyan, C., Ahn, Y.H. (2021). Effective chemical vapor deposition synthesis and characterization of N-doped graphene for high electrochemical performance, Journal of Nanoscience and Nanotechnology, 21(6), 3183-3191. (DOI:10.1166/jnn.2021.19355)

31.  Anam, G.B., Guda, D.R., Ahn, Y.H. (2021). Hormones induce the metabolic growth and cytotoxin production of Microcystis aeruginosa under terpinolene stress, Science of the Total Environment, 769, 145083. (DOI:10.1016/j.scitotenv.2021.145083)

32.  Singaravelan, S., Maharingam, S., Abdul Salam, A ., Vasanthi, P., Magesh, M., Durai, M., Ahn, Y.H. (2021). Electrochemical synthesis of γ‑Cu5Zn8 bimetallic nano alloy for efficient degradation of methyl orange dye and antimicrobial efficacy, Journal of Inorganic and Organometallic Polymers and Materials, 1-14. (DOI: 10.1007/s10904-021-01989-0)

33.  Durai, M., Sivakumar, M., Chang, H., Ahn, Y.H., Durai, M. (2021). An enhanced electrochemical energy storage performance based on porous activated carbon and hard carbon derived from natural maple leaf, Journal of Materials Science-Materials in Electronics, 32(3), 3487-3497. (DOI:10.1007/s10854-020-05095-8)

34.  Ayyaru, S., Ahn, Y.H. (2021). Enhanced Performance of sulfonated GO in SPEEK proton-exchange membrane for microbial fuel cell Application, Journal of Environmental Engineering-ASCE, 147(2), 04020153. (DOI:10.1061/(ASCE)EE.1943-7870.0001848)

35.  Ayyaru, S., Ahn, Y.H. (2020). Fabrication of a novel nanocomposite ultrafiltration membrane with improved antifouling properties using functionalized HfO2 and polyvinylidene fluoride for organic foulant mitigation, Industrial & Engineering Chemistry Research, 59(43), 19272-19284. (DOI:10.1021/acs.iecr.0c03696)

36.  Anam, G.B., Yadav, S., Ayyaru, S., Ahn, Y.H. (2020). Nanocomposite membrane integrated phage enrichment process for the enhancement of high rate phage infection and productivity, Biochemical Engineering Journal, 163, 107740.(DOI:10.1016/j.bej.2020.107740)

37.  Manoharan, R., Maharingam, S., Gangadaran, P., Ahn, Y.H. (2020). Antibacterial and photocatalytic activities of 5-nitroindole capped bimetal nanoparticles against multidrug resistant bacteria, Colloids and Surfaces B-Biointerfaces, 188, 110825. (DOI: 10.1016/j.colsurfb.2020.110825)

38.  Maharingam, S.,Ayyaru, S., Ahn, Y.H. (2020). Enhanced cathode performance of Fe2O3, boron nitride-doped rGO nanosheets for microbial fuel cell applications, Sustainable Energy & Fuels, 4, 1454-1468. (DOI: 10.1039/C9SE01243E)

39.  Ayyaru, S., Dinh, T.L., Ahn, Y.H. (2020). Enhanced antifouling performance of PVDF ultrafiltration membrane by blending zinc oxide with support of graphene oxide nanoparticle, Chemosphere, 241, 125068. (DOI: 10.1016/j.chemosphere. 2019.125068)

40.  Manoharan, R., Maharingam, S., Gangadaran, P., Ahn, Y.H. (2020). Auto-cleaning functionalization of polyvinylidene fluoride membrane by biocidal Oxine/TiO2 nanocomposite for antimicrobial and antibiofouling properties, New Journal of Chemistry, 44(3), 807-816. (DOI: 10.1039/c9nj05300j)

41.  Valipour, A., Hamnabard, N., Meshkatia, S.M.H., Pakan, M., Ahn, Y.H. (2019). Effectiveness of phase- and morphology-controlled MnO2 nanomaterials derived from flower-like δ-MnO2 as alternative cathode catalyst in microbial fuel cells, Dalton Transactions, 48(16), 5429-5443. (DOI: 10.1039/c9dt00520j)

42.  Anam, G.B., Reddy, M.S., Ahn, Y.H. (2019). Characterization of Trichoderma asperellum RM- 28 for its alkali-sodic tolerance and plant growth promoting activities to alleviate toxicity of red mud, Science of the Total Environment, 662, 462-469. (DOI: 10.1016/j.scitotenv.2019.01.279)

43.  Anam, G.B., Choi, J.D., Ahn, Y.H. (2019). Reductive dechlorination of perchloroethene (PCE) and bacterial community changes in a continuous-flow, two-stage anaerobic column, International Biodeterioration & Biodegradation, 138, 41-49. (DOI:10.1016/j.ibiod.2018.12.014)

44.  Ayyaru, S., Maharingam, S.,Ahn, Y.H. (2019). A non-noble V2O5 nanorods as an alternative cathode catalyst for microbial fuel cell applications, International Journal of Hydrogen Energy, 44(10), 4974-4984. (DOI: 10.1016/j.ijhydene.2019.01.021)

45.  Ayyaru, S., Pandiyan, R.,Ahn, Y.H. (2019). Fabrication and characterization of anti-fouling and non-toxic polyvinylidene fluoride-sulphonated carbon nanotube (PVDF-SCNT) ultrafiltration membranes for membrane bioreactors applications, Chemical Engineering Research & Design, 142, 176-188.(DOI: 10.1016/j.cherd.2018.12.008)

46.  Pandiyan, R.,Maharingam, S., Ahn, Y.H. (2019). Antibacterial and photocatalytic activity of hydrothermally synthesized SnO2 doped GO and CNT under visible light irradiation, Journal of Photochemistry & Photobiology, B: Biology, 190, 18-25.(DOI: 10.1016/j.jphotobiol.2018.12.007)

47.  Ayyaru, S., Choi, J.D., Ahn, Y.H. (2018). Fabrication and separation performance of polyethersulfone / Sulfonated TiO2 (PES-STiO2) ultrafiltration membranes for fouling mitigation, Journal of Industrial and Engineering Chemistry, 67, 199-209. (DOI: 10.1016/j.jiec.2018.06.030)

48.  Mahalingam, S., Ayyaru, S., Ahn, Y.H. (2018). Enhanced cathode performance of rGO-V2O5 nanocomposite catalyst for microbial fuel cell application, Dalton Transactions, 47, 16777-16788. (DOI: 10.1039/c8dt02445f)

49.  Ayyaru, S., Choi, J.D., Ahn, Y.H. (2018). Biofouling reduction in a MBR by the application of a lytic phage on a modified nanocomposite membrane, Environmental Science-Water Research & Technology, 4(10), 1624-1638. (DOI: 10.1039/c8ew00316e)

50.  Pandiyan, R., Ayyaru, S., Ahn, Y.H. (2018). Non-toxic properties of TiO2 and STiO2 nanocomposite PES ultrafiltration membranes for application in membrane-based environmental biotechnology, Ecotoxicology and Environmental Safety, 158, 248-255. (DOI:10.1016/j.ecoenv.2018.04.027)

51.  Mahalingam, S., Ahn, Y.H. (2018). Improved visible light photocatalytic activity of rGO-Fe3O4-NiO hybrid nanocomposites synthesized by in-situ facile method for industrial wastewater treatment applications, New Journal of Chemistry, 42(6), 4372-4383. (DOI:10.1039/c8nj00013a)

52.  Mahalingam, S., Ramasamy, J., Ahn, Y.H. (2018). Enhanced photocatalytic degradation of synthetic dyes and industrial dye wastewater by hydrothermally synthesized G-CuO-Co3O4 hybrid nanocomposites under visible light irradiation, Journal of Cluster Science, 29(2), 235-250. (DOI: 10.1007/s10876-017-1329-3)

53.  Chandrasekher, K., Ahn, Y.H. (2017). Effectiveness of piggery waste treatment using microbial fuel cells coupled with elutriated-phased acid fermentation, Bioresource Technology, 244, 650-657. (DOI: 10.1016/j.biortech.2017.08. 021)

54.  Mahalingam, S., Jayavel, R., Ahn, Y.H. (2017). Synthesis and application of graphene-αMoO3 nanocomposite for improving visible light irradiated photocatalytic decolorization of methylene blue dye, Journal of Taiwan Institute of Chemical Engineering, 80, 276-285. (DOI:10.1016/j.jtice.2017.07.009)

55.  Choi, J.D., Kim, E.S., Ahn, Y.H. (2017). Microbial community analysis of bulk sludge and cake layers and biofouling-causing microbial consortia in a full-scale aerobic membrane bioreactor, Bioresource Technology, 227, 133-141. (DOI:10.1016/j.biortech.2016.12.056)

56.  Ayyaru, S., Ahn, Y.H. (2017). Application of sulfonic acid group functionalized graphene oxide to improve hydrophilicity, permeability, and antifouling of PVDF nanocomposite ultrafiltration membranes, Journal of Membrane Science, 525, 210-219. (DOI:10.1016/j.memsci.2016.10.048)

57.  Ahn, Y.H., Choi, J.D. (2016). Bacterial communities and antibiotic resistance communities in a full-scale hospital wastewater treatment plant by high-throughput pyrosequencing, Water, 8(12), 580. (DOI: 10.3390/w8120580)

58.  Valipour, A., Ayyaru, S., Ahn, Y.H. (2016). Application of graphene-based nanomaterials as novel cathode catalysts for improving power generation in single chamber microbial fuel cells, Journal of Power Sources, 327, 548-556.(DOI: 10.1016/j.jpowsour.2016.07.099)

59.  Ghosal, D., Ghosh, S., Dutta, T.K., Ahn, Y.H. (2016). Current state of knowledge in microbial degradation of polycyclic aromatic hydrocarbons (PAHs): a review, Frontiers in Microbiology, 7, 1369. (DOI: 10.3389/fmicb.2016.01369)

60.  Ayyaru, S., Dharmalingam, S., Ahn, Y.H. (2016). Nanocomposite membranes based on sulfonated polystyrene ethylene butylene polystyrene (SSEBS) and sulfonated SiO2 for microbial fuel cell application, Chemical Engineering Journal, 289, 442-451. (DOI:10.1016/j.cej.2015.12.095)

61.  Choi, J.D., Ahn, Y.H., El-Din, M.G., Kim, E.S. (2016). Desalination of basal water by mesoporous carbons nanocomposite membrane, Journal of Nanoscience and Nanotechnology, 16(2), 2084-2087. (DOI: 10.1166/ jnn.2016.11975)

62.  Valipour, A., Ahn, Y.H. (2016). Constructed wetlands as sustainable ecotechnologies in decentralization practices: a review, Environmental Science and Pollution Research, 23(1), 180-197. (DOI: 10.1007/s11356-015-5713-y)

63.  Valipour, A., Hamnabard, N., Ahn, Y.H. (2015). Performance evaluation of highly conductive graphene (RGOHI-AcOH) and graphene/metal nanoparticle composite(RGO/Ni) coated on carbon cloth for supercapacitor applications, RSC Advances, 5, 92970-92979. (DOI:10.1039/c5ra14806e)

64.  Choi, J.D., Ahn, Y.H. (2015). Enhanced bioelectricity harvesting in microbial fuel cells treating food waste leachate produced from biohydrogen fermentation, Bioresource Technol., 183(5), 53-60. (DOI: 10.1016/j.biortech.2015.01.109)

65.  Choi, J.D., Ahn, Y.H. (2015). Biohydrogen fermentation from sucrose and piggery waste with high level of bicarbonate alkalinity, Energies, 8(3), 1716-1729.(DOI:10.3390/en8031716)

66.  Valipour, A., Raman, V.K., Ahn, Y.H. (2015). Effectiveness of domestic wastewater treatment using bio-hedge water hyacinth wetland system, Water, 7(1), 329-347. (DOI: 10.3390/w7010329)

67.  Choi, J.D., Ahn, Y.H. (2014.). Increased power generation from primary sludge in microbial fuel cells coupled with prefermentation, Bioprocess & Biosystems Engineering, 37(12), 2549-2557.(DOI: 10.1007/s00449-014-1232-3)

68.  Valipour, A., Hamnabard, N., Woo, K.S., Ahn, Y.H. (2014). Performance of high-rate constructed phytoremediation process with attached growth for domestic wastewater treatment: effect of high TDS and Cu, Journal of Environmental Management, 145, 1-8. (DOI:10.1016/j.jenvman.2014.06.009)

69.  Choi, J.D., Ahn, Y.H. (2014). Effect of hydrogen producing mixed culture on performance of microbial fuel cells, International Journal of Hydrogen Energy, 39(17), 9482-9489. (DOI: 10.1016/j.ijhydene.2014.03.210)

70.  Jang, W.S., Sun, H., Bae, S.H., Kim, H.J., Ahn, Y.H., Park, H.K. (2014). Snow melting from solar radiation to mitigate the road freezing, Applied Mechanics and Materials,543-547, 4073-4076.(DOI: 10.4028/www.scientific.net/AMM.543-547.4073)

71.  Choi, J.D., Ahn, Y.H. (2014). Characteristics of biohydrogen fermentation from various substrates,International Journal of Hydrogen Energy, 39(7), 3152-3159. (DOI:10.1016/j.ijhydene.2013.12.050)

72.  Choi, J.D., Ahn, Y.H. (2014). Comparative performance of air-lift partial nitritation processes with attached growth and suspended growth without biomass retention, Environmental Technology, 35(11), 1328-1337. (DOI: 10.1080/09593330.2013.868037)

73.  Choi, J.D., Ahn, Y.H. (2013). Continuous electricity generation in stacked air cathode microbial fuel cell treating domestic wastewater, Journal of Environmental Management, 130, 146-152.(DOI: 10.1016/j.jenvman.2013.08.065)

74.  Choi, J.D., Jung, S.H., Ahn, Y.H. (2013). Increased hydrazine during partial nitritation process in upflow air-lift reactor fed with supernatant of anaerobic digester effluent, The Korean Journal of Chemical Engineering, 30(6), 1235-1240. (DOI: 10.1007/s11814-013-0041-8)

75.  Ahn, Y.H. (2013). Implementation of microbial fuel cells (MFCs) -based wastewater treatment, Advanced Materials Research, 684, 230-233. (DOI: 10.4028/www.scientific. net/AMR.684.230)

76.  Jung, S.H., Ahn, Y.H., Oh, S.E., Lee, J.H., Cho, K.T., Kim, Y.J., Kim, M.W., Shim, J.M., Kang,M.S. (2012). Impedance and thermodynamic analysis of bioanode, abiotic anode andriboflavin-amended anode in microbial fuel cells, Bulletin of the Korean Chemical Society, 33(10), 3340-3354. (DOI: 10.5012/bkcs.2012.33.10.3349)

77.  Ahn, Y.H., Logan, B.E. (2010). Effectiveness of domestic wastewater treatment using microbial fuel cells at ambient and mesophilic temperatures, Bioresource Technology, 101(2), 469-475. (DOI: 10.1016/j.biortech.2009.07.039)

78.  Ahn, Y.H. (2008). Comments on "Sustainable Power Generation in Microbial Fuel Cells Using Bicarbonate Buffer and Proton Transfer Mechanisms", Environmental Science &Technology, 42(16), 6303-6305. (DOI: 10.1021/es800780d)

79.  Ahn, Y.H., Speece, R.E. (2006). Waste lime as a potential cation source in the phosphate crystallization process, Environmental Technology, 27(11), 1225-1231. (DOI: 10.1080/09593332708618739)

80.  Ahn, Y.H., Speece, R.E. (2006). Waste lime for P-recovery, SCOPE Newsletter, Aug, 69,5-6.

81.  Ahn Y.H., Lee, J.W., Kim H.C., Kwon, S.Y. (2006). Lithoautotrophic nitrogen removal with anaerobic granular sludge and its microbial community, Environmental Engineering Research, 11(4),173-180. (DOI: 10.4491/eer.2006.11.4.173)

82.  Ahn, Y.H., Choi, H.C. (2006). Autotrophic nitrogen removal from sludge digester liquids in upflow sludge bed reactor with external aeration, Process Biochemistry,41(9), 1945-1950.(Corrigendum to this paper: Ahn, Y.H. and Choi, H.C. (2007). Process Biochemistry, 42(2), 294.) (DOI: 10.1016/j.procbio.2006.04.006)

83.  Ahn, Y.H., Speece, R.E. (2006). A novel process for organic acids and nutrient recovery from municipal wastewater sludge, Water Science & Technology, 53(12), 101-109.

84.  Ahn, Y.H., Speece, R.E. (2006). Elutriated acid fermentation of municipal primary sludge, Water Research, 40(11), 2210-2220. (DOI: 10.1016/j.watres.2006.03.022)

85.  Ahn, Y.H. (2006). Sustainable nitrogen elimination biotechnologies: a review, Process Biochemistry, 41(8), 1709-1721. (DOI: 10.1016/j.procbio.2006.03.033)

86.  Ahn, Y.H., Choi, H.C. (2004). Municipal sludge treatment and disposal in South Korea: status and a new sustainable approach, Water Science & Technology, 50(9), 245-253.

87.  Ahn, Y.H., Kim, H.C. (2004). Nutrient removal and microbial granulation in anaerobic process treating inorganic and organic nitrogenous wastewater, Water Science & Technology,50(6), 207-216.

88.  Ahn, Y.H., Hwang, I., Min, K., (2004). Anammox and partial denitritation in anaerobic nitrogen removal process treating piggery waste, Water Science & Technology, 49(5-6), 145-153.(Also, published in Virtual Journal of Industrial Effluent. 1(8), 10-1~10-8)

89.  Ahn, Y.H., Bae, J.Y., Park, S.M., Min, K., (2004). Anaerobic digestion elutriated phased treatment (ADEPT) of piggery waste, Water Science & Technology, 49(5-6), 181-189.

90.  Ahn, Y.H., Speece, R.E. (2003). Settleability assessment protocol for anaerobic granular sludge and its application, Water SA, 29(4), 419-426. (DOI: 10.4314/wsa.v29i4.5047)

91.  Kim, M., Gomec, C.Y. Ahn, Y.H., Speece. R.E. (2003). Hydrolysis and acidogenesis ofparticulate organic material in mesophilic and thermophilic anaerobic digestion, Environmental Technology, 24(9), 1183-1190. (DOI: 10.1080/ 09593330309385659)

92.  Gomec, C.Y., Kim, M., Ahn, Y.H., Speece. R.E. (2002). The role of pH in mesophilic anaerobic sludge solubilization, Journal of Environmental Science & Health-A, 37(10), 1871-1878. (DOI:10.1081/ESE-120015467)

93.  Kim, M., Ahn, Y.H., Speece R.E. (2002). Comparative process stability and efficiency of anaerobic digestion: mesophilic vs. thermophilic, Water Research, 36(17), 4369-4385. (DOI:10.1016/S0043-1354(02)00147-1)

94.  Boonyakitsombut, S., Kim, M., Ahn, Y.H., Speece, R.E. (2002). Degradation of propionate and its precursors: the role of nutrient supplementation, KSCE Journalof Civil Eng., 6(4), 243-253. (DOI: 10.1007/BF02841992)

95.  Ahn, Y.H., Min, K.S., Speece, R.E. (2001). Pre-acidification in anaerobic sludge bedprocess treating brewery wastewater, Water Research, 35(18), 4267-4276. (DOI: 10.1016/S0043-1354(01)00171-3)

96.  Ahn, Y.H., Min, K.S., Speece, R.E. (2001). Full-scale UASB reactor performance in thebrewery industry, Environmental Technology, 22(5), 463-476. (DOI: 10.1080/09593332208618276)

97.  Ahn, Y.H. (2000). Physicochemical and microbial aspects of anaerobic granular biopellets, Journal of Environmental Science & Health-A,35(9), 1617-1635. (DOI: 10.1080/10934520009377059)

98.  Ahn, Y.H., Min, K.S., Yun, Z. (2000). Enhancement of reactor performance and pelletization by reactor modification in UASB system, Journal of Environmental Science & Health-A, 35(9),1719-1733. (DOI: 10.1080/10934520009377066)


Books, Chapters, Translations

1.    Ahn, Y.H. (2020).Water and Wastewater Engineering Vol. 2-Water Pollution Control and Resource Recovery, Gyomunsa/Cheongmungak. (ISBN 978-89-363-2089-8, 93530)(in Korean).

2.    Valipour, A., Ahn Y.H. (2017). A review and perspective of constructed wetlands as a green technology in decentralization practices. In: Green Technologies and Environmental Sustainability, edited by Singh, R., Kumar, S., Springer Nature. (ISBN 978-3-319-50654-8).

3.    Ahn, Y.H. (2016).Water and Wastewater Engineering Vol. 1-Water Management and Master Plan, Cheongmungak. (ISBN978-89-6364-272-7)(in Korean).

4.    Ahn, Y.H. (2009). Lithoautotrophic Nitrogen Removal in Upflow Anaerobic Sludge Bed Reactor and Its Microbial Characterization. In: Research Progress in Materials Science, Nova Science Publishers, New York, U.S.A., 55-101 (ISBN 978-1-60456-629-1).

5.    Ahn, Y.H. et al. (2004). Wastewater Engineering-Treatment and Reuse, 4th eds. (Metcalf & Eddy), Donghwa Books, Seoul, Korea. (ISBN 89-425-0412-4) (Korean version)

6.    Ahn, Y.H. et al. (2004). Series in EE, No.19: Water Engineering, Donghwa Books, Seoul, Korea (in Korean).

7.    Ahn, Y.H. et al. (2004). Series in EE, No.20: Wastewater Engineering, Donghwa Books, Seoul, Korea. (in Korean).

8.    Ahn, Y.H. et al. (1995). A study to enhance the efficiency of industrial wastes treatment in Kumi region. The Chamber of Commerce and Industry in Kumi, Kumi Economic Research Center, Economic Research Vol. 10, p. 1-118. (in Korean).



1.    Advanced oxidation water treatment system using indole-based nanocomposite photocatalyst and water treatment method using same (KP 10-2420932).

2.    Polymer membrane containing composite nanoparticles capped with the indole compound and a method of manufacturing the same (KP 10-2300565).

3.    Polymer membrane for water treatment with auto-cleaning functionalization (KP 10-2185206).

4.    Culture system for bacteriophage. (KP 10-1976955).

5.    A novel bacteriophage to specifically kill antibiotic resistant Enterobacteria and the biocontrol method using the bacteriophage (KP 10-1943331).

6.    Hydrophilic membraneand polymer composition for hydrophilic membrane with sulfonated inorganics (KP 10-1944761).

7.    Polymer composition for hydrophilic membrane with sulfonated inorganics (PCT/KR2016/015329, KP 10-1936395, US 10,773,219).

8.    Polymer composition for hydrophilic membrane with sulfonated CNT and GO (PCT/KR2016/ 015330, KP 10-1935933).

9.    Process and apparatus for sludge treatment containing high organics-Sludge fermentation and P-crystallization process (KP 10-0460939-0000).

10.  Wastewater treatment system using high-rate upflow anaerobic sludge bed reactor-Biomethane production (KP 165663).