Yoo, S., Han, J.-I, “ CNT Porous Porphyrin Polymer-based Electrode for Electrochemical Gold Recovery from Electronic Waste” 72nd Annual Meeting of the International Society of Electrochemistry, Jeju, Korea, August 29-September 3, 2021

Cheon, S., Han, J.-I, “ Electro-synthesis of Ammonia from Dilute Nitric Oxide on Gas Diffusion Electrode” 72nd Annual Meeting of the International Society of Electrochemistry, Jeju, Korea, August 29-September 3, 2021

Jwa, E., Jung, Y. C., Hwang, K. S., Kim, H., Jeoung, N, Nam J., Han, J.-I., “Recirculating seawater based wastewater treatment and energy production using a reverse electrodialysis” The 18th Young Researchers Conference in the Field of Resource Circulation, Pyeongchang, Korea, July 19, 2021

Kim, G.-Y., Han, J.-I, “ Development of bicarbonate-based microalgae cultivation system combined with electrochemical CO2 absorption process” 2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 11-13, 2020

Kim, H., Lee, I., Han, J.-I, “ Development of nitric oxides removal technology using iron(II)-thiochelate based on novel impeller scrubber and absorbent reuse process” 2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 13, 2020

Kim, B., Kim, D., Jeon, S., Han, J.-I “ Study of [Fe(II) EDTA]- Regeneration for Sustainable NOx removal” 2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 13, 2020

Jeon, S., Kim D., Han, J.-I “ Ligand Screening for Effective Resource Conversion of Waste Nitric Oxide” 2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 13, 2020

Hwang, B., Lee Y., Han, J.-I, “Development of wire-mesh supported impeller-structured V2O5/Al2O3 catalysts for selective catalytic reduction of NO with NH3”, 2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 13, 2020

Cheon, S., Han, J,-I., “ Regeneration of Fe(II) thiochelate for nitric oxide absorption”,  2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 13, 2020

Lee, G., Kim, K., Chung J., Han, J.-I, “ Ammonia accumulation and recovery in ammonia-rich livestock wastewater using electrochemical method”, 2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 13, 2020

Jwa, E., Kim, H. Y., Nam, J., Kim, H., Han, J.-I, Jeoung, N., “Comparative study of anti-scaling mechanisms on cathode using nano Pt-based materials in RED” 2020 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 13, 2020

Kim, H., Lee, I., Han, J.-I, “ Economical DMPS Synthesis Method for Nitric Oxide Treatment in Flue Gas”, The Korean Institute of Chemical Engineering Conference, Online, October 14-16, 2020

Kim, G.-Y., Son J., Han, J.-I., Park J., “ Inertial microfluidics-based separation of microalgae using a contraction-expansion array mocrochannel, 2019-The 23rd International Conference on Miniaturized Systems for Chemistry and Life Sciences, Basel, Switzerland, October, 27-31, 2019

Hwang, T., Kim, G.-Y., Han, J.-I., Kim, J. “ Highly fluorescent red diketopyrrolopyrrole thin film for enhanced productivity of Chlorella vulgaris, The Korean Society of Industrial and Engineering Chemistry, Jeju, Korea, October 30, 2019.

Jeon, S., Kim K., Kim J., Yoon H., Han, J.-I., “ Approach of electrochemical synthesis of ammonia from water and nitrogen using iron under ambient conditions”, American Chemical Society Fall 2019 National Meeting & Exposition, San Diego, USA, August 26, 2019

Cheon, S., Han, J.-I., Yoon, H., Kim, S., “Electrochemical regeneration of oxidized Fe(Ⅱ) thiochelate based nitric oxide absorbent”, American Chemical Society Fall 2019 National Meeting & Exposition, San Diego, USA, August 26, 2019

Son, J., Yavuz, C. T., Hong, Y., Chung, J., Nguyen, T., and Han, J.-I., "Processes for gold recovery from electronic waste using porous porphyrin polymer and adsorbent regeneration" American Chemical Society Fall 2019 National Meeting & Exposition, San Diego, USA, August 26, 2019.

Park, J., Han, S., Lee, G., and Han, J.-I., "Simultaneous removal of NOx/SOx in flue gas by wet scrubber system using ferrous EDTA absorbent" 28th KKNN Symposium, Taipei, Taiwan, July 5, 2019

Son, J., Hong, Y., Nguyen, T., Yavuz, C. T., and Han, J.-I., "Gold recovery using porphyrin-based polymer from electronic waste: Adsorbent regeneration and reuse" 1st International Symposium on Electronic Waste and End-of-Life Vehicles, Jeju, Korea, May 20, 2019

Tran, TPA., Cho, H., Im, J., Chang, I., Cho, G.C., Han, J.-I., “ Removal of heavy metal ion using biopolymers – soils”, 31st KKHTCNN Symposium on Civil Engineering, Kyoto, Japan, November 23, 2018

Cho, H., Hwang T., Han, J.-I., "Membrane fouling reduction through hydrodynamic cavitation based bubble orifice", 2018 ABC Workshop, Busan, Korea, July 12, 2018

Lee, G., Kim, K., Chung, J., “Electrochemical ammonia recovery and accumulation from ammonia-rich livestock wastewater” 2nd International Conference on Bioresources, Energy, Environment, and Materials Technology, Tokyo, KAIST-KYOTO-NTU-NUS Symposium on Environmental Engineering, July 6, 2018

Cho, H., Hwang T., Han, J.-I., "Membrane fouling reduction through hydrodynamic cavitation based bubble orifice", 27th KKNN Symposium, Kyoto, Japan, July 5, 2018

Lee, Y., Kim, K., Jung, J., Cheon, S., Han, J.-I., "Electrochemical approach for de-NOx/SOx system using Iron-EDTA" THe 27th Joing KAIST-KU-NTU-NUS Symposium on Environmental Engineering, Kyoto, Japan, July 5, 2018

Lee, G., Kim, K., Chung, J., “Electrochemical ammonia recovery and accumulation from ammonia-rich livestock wastewater” 2nd International Conference on Bioresources, Energy, Environment, and Materials Technology, Hongcheon, KOREA, June 11, 2018

Cheon, S., Han, J.-I., "Nitric oxide removal system with iron chelates" 2nd International Conference on Bioresources, Energy, Environment, and Materials Technology, Hongcheon, Korea, June 11,2018

Chung, K., Han, J.-I., “Improved carbon dioxide mineralization efficiency through electrolysis system using nickel electrode” 2017 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, November 16, 2017

Jo, A., Kim, K., Han, J.-I., “The Effect of Sodium Bicarbonate in Chlorella vulgaris” 2017 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, Novemver 16, 2017

Cho, H., Hwang, T., Lee, J.-Y., Oh, Y.-K., Han, J.-I., “Ultrafiltration Membrane Fouling Reduction and Microalgae Harvesting Using Bubble Orifice Based Hydraulic Cavitation” 2017 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, Novemver 16, 2017

Cheon, S., Kim, K., Han, J.-I., “Performance of fuel cell powered by sulfite and iron chelate to reduce SO2 and NO concentrations in air” 2017 Korea Society of Environmental Engineering Domestic Conference, Jeju, Korea, Novemver 16, 2017

Kim, G.-Y., Kim, K., Chung, J., Han, J.-I. “Microalgae Cultivation System Combined with Electrochemical CO2 Absorption process” 2017 KSBB Fall Meeting and International Symposium, Busan, Korea, October 12, 2017

Jeong, U., Kim, K., Han, J.-I., “CO2 & SO2 Capture and Utilization using Electrochemical System from Flue Gas” KAIST-Kyoto-NTU-NUS (KKNN) Symposium on Environmental Engineering was held, Seoul, Korea, July 06, 2017

Cheon, S., Kim, K., Han, J.-I. “Sulfite/Ferric EDTA Fuel Cell for Mitigating Air Pollution” KAIST-Kyoto-NTU-NUS (KKNN) Symposium on Environmental Engineering was held, Seoul, Korea, July 06, 2017

Jo, A., K, G.-Y., Han, J.-I. “The Effect of NaHCO3 on Lipid in Chlorella vulgaris” KAIST-Kyoto-NTU-NUS (KKNN) Symposium on Environmental Engineering was held, Seoul, Korea, July 06, 2017

Lee, G.T., Lee, I., and Han, J.-I. “Waste-activated sludge pretreatment and struvite formation with anaerobic granular sludge for N/P recovery using hydrodynamic cavitation” KAIST-Kyoto-NTU-NUS (KKNN) Symposium on Environmental Engineering was held, Seoul, Korea, July 06, 2017

Lee, G.T., Lee, I., and Han, J.-I. “Waste-Activated Sludge Pretreatment and Struvite Precipitation for N/P Recovery using Hydrodynamic Cavitation (HC)” Korean Society ofEnvironmental Engineering Conference, Gyeongju, Korea, November 17, 2016

Jeon, S.H., Lee, I., Ahmed, M.A., and Han, J.-I. “Modification of Hydrodynamic Cavitation (HC)as a Novel Pretreatment Tool for Bioethanol Production from Rice Straw” Korean Society of Environmental Engineering Conference, Gyeongju, Korea, November 17, 2016

Kim, G.-Y, and Han, J.-I. “Cultivation of Dunaliella salina with Carbon Captured-bicarbonate” The 1st International Conference on Bioresource Technology for Bioenergy, Bioproducts & Environmental Sustainability, Sitges, nr Barcelona, Spain, October 25, 2016

Cho, M., Han, J.-I., and Diallo, M.S. “Osmotically-Driven Membrane Processes for Sustainable Water Reuse & Resource Recovery:Exploration of Branched Polyethyleneimine as Osmotic Agent” The 13th KOREA-U.S. Forum on Nanotechnology Seoul, Republic of Korea, September 27, 2016 

Cho, M., Cho, H., Lee, H., Oh, Y,K., Han, J.-I., and Diallo, M.S. “Separation of Microalgae-based Colloidal Suspensions by Forward Osmosis:Utilization of Macromolecular Draw Solutes with Porous FO membranes” The 4th Asia-Oceania Algae Innovation Summit 2016 Wuhan, China, September 20, 2016 

Lee, I., and Han, J.-I. “Design optimization of hydrodynamic cavitation for effectual lipid extraction from wet microalgae" The 4th Asia-Oceania Algae Innovation Summit Wuhan, China, September 20, 2016 

Sung, M., and Han, J.-I. “Alkaline In-situ Transesterification of Aurantiochytrium sp. KRS101 using Potassium Carbonate" The 4th Asia-Oceania Algae Innovation Summit Wuhan, China, September 20, 2016 

Kim, G.-Y., Han, S., and Han, J.-I. “Isolation and Characterization of Microalgae Utilizing Carbon-captured Bicarbonate" The 4th Asia-Oceania Algae Innovation Summit Wuhan, China, September 20, 2016 

Ahmed, M.A., Jeon, S., Tahir, M.S. and Han, J.-I. “Response surface optimization of dilute acid pretreatment to enhance the enzymatic digestibility of cannabis sativa" The 4th Asia-Oceania Algae Innovation Summit Wuhan, China, September 20, 2016 

Ahmed, M.A., Jeon, S., Tahir, M.S. and Han, J.-I. “Application of twin gear reactor to optimize alkaline pretreatment of rice straw" The 4th Asia-Oceania Algae Innovation Summit Wuhan, China, September 20, 2016 

Park, M., Hwang, T., Cho, M., Oh, Y.-K., and Han, J.-I. “Preparation of Conductive Carbon Silica Nanofiber Membrane for Fouling Inhibition in Microalgae Filtration" The 4th Asia-Oceania Algae Innovation SummitWuhan, China, September 20, 2016 

Ryu, H., and Han, J.-I. “Dewatering Microalgae by Enhanced Electro-Osmosis Combined with Forward Osmosis" The 4th Asia-Oceania Algae Innovation Summit Wuhan, China, September 20, 2016 

Cho, H., Oh, Y.-K., and Han, J.-I. “Hydrodynamic flow modification for algal harvesting in Electro Coagulation Flotation" The 4th Asia-Oceania Algae Innovation Summit Wuhan, China, September 20, 2016 

Kim, K., Yoo, C.-Y., Kim, J.-N., Yoon, H.C., and Han, J.-I. “Electrochemical synthesis of ammonia using organic solvents with high nitrogen solubility and wide electrochemical window" Asia-Pacific Conference of the International Society for Microbial Electrochemistry and Technology(AP-ISMET) Busan, Korea, September 1, 2016 

Kim, K., Yoo, C.-Y., Kim, J.-N., Yoon, H.C., and Han, J.-I. “Electrochemical synthesis of ammonia using organic solvents with high nitrogen solubility and wide electrochemical window" American Chemical Society(ACS)Philadelphia, USA, August 25, 2016 

Cho, H., and Han, J.-I. “Hydrodynamic Reactor Design Modification to Electro?Coagulation?Flotation" 25th KAIST-KU-NTU-NUS Symposium Singapore, July 8, 2016 

Park, M., Hwang, T., Cho, M., Oh, Y.-K., and Han, J.-I. “Preparation of Conductive Carbon Silica Nanofiber Membrane for Fouling Inhibition in Microalgae Filtration" 25th KAIST-KU-NTU-NUS Symposium Singapore, July 8, 2016 

Seo, C., and Han, J.-I. “Effective Microalgae Dewatering System with the Employment of Evaporation Principle" 25th KAIST-KU-NTU-NUS Symposium Singapore, July 8, 2016 

Jeon, S.H., and Han, J.-I. “Modification of Hydrodynamic Cavitation (HC) as a Novel Pretreatment Tool for Bioethanol Production from Rice Straw" 25th KAIST-KU-NTU-NUS Symposium Singapore, July 8, 2016 

Ryu, H., Chang, Y.K., and Han, J.-I. “Dewatering Microalgae by Enhanced Electro-Osmosis Combined with Forward Osmosis" The 6th International Conference on Algal Biomass, Biofuels and Bioproducts San Diego, USA, June 29, 2016 

Kim, G.-Y., Heo, J., Cho, D.-H., and Han, J.-I. “Conversion of Carbon-captured Bicarbonate into Microalgal Biomass" The 6th Korea CCS International Conference Jeju, Korea, January 28, 2016. 

Chung, J., Son, J., and Han, J.-I., "Advancement of Electrical Efficiency of Electrolytic CO2 Mineralization System with Catalytic Activation" The 6th Korea CCS International Conference Jeju, Korea, January 28, 2016. 

Son, J., Chung, J., and Han, J.-I., "Membrane-Based Electrolyzer for CO2 Mineralization and Brine Desalination" The 6th Korea CCS International Conference Jeju, Korea, January 28, 2016. 

Kim, K., and Han, J.-I., “Innovative fuel cell-based technologies for the treatment of H2S and electricity generation” The International Chemical Congress of Pacific Basin Societies 2015 Hawaii, USA, December 18, 2015. 

Han, J.-I., “Harvesting microalgae and direct wet lipid extraction” 2nd Probiorefine Workshop Malaysia, December 7, 2015. 

Son, J., Chung, J., and Han, J.-I., “Advanced eletrodialysis (ED) system for CO2 mineralization with chemical absorbents” 250th American Chemical Society National Meeting & Exposition Boston, USA, August 16, 2015. 

Kam, Y., and Han, J.-I., “Utilization of starch-enriched brewery waste for cultivating oleaginous microbes Cryptococcus sp. used in biodiesel production” The 24th KAIST-KU-NTU-NUS Symposium on Environmental Engineering Taipei, Taiwan, June 18, 2015. 

Choi, J.A., and Han, J.-I., “Isolation and characterization of an oleaginous yeast strain, Cyberlindnera saturnus, from Korean traditional fermented seafood, Jeotgal” The 24th KAIST-KU-NTU-NUS Symposium on Environmental Engineering Taipei, Taiwan, June 18, 2015. 

Hwang, T.W., Kotte, M.R., Diallo, M.S., Oh, Y.-K., and Han, J.-I., “Efficient microalgae harvesting by a novel fouling-resistant ultrafiltration membrane” The 5th international Conference on Algal Biomass, Biofuels and Bioproducts San Diego, USA, June 7, 2015. 

Sung M., and Han, J.-I., “Highly efficient production of docosahexaenoic acid by Aurantiochytrium sp. KRS 101 using cheese whey” The 5th international Conference on Algal Biomass, Biofuels and Bioproducts San Diego, USA, June 7, 2015. 

Lee, I., and Han, J.-I., “Simultaneous treatment (cell disruption and lipid extraction) of wet microalgae using hydrodynamic cavitation for enhancing the lipid yield” The 5th international Conference on Algal Biomass, Biofuels and Bioproducts San Diego, USA, June 7, 2015. 

Lee, I., Park, J.-Y., Choi, S.-A., Oh, Y.-K., and Han, J.-I., “Hydrothermal nitric acid treatment for effectual lipid extraction from wet microalgae biomass” The 5th international Conference on Algal Biomass, Biofuels and Bioproducts San Diego, USA, June 7, 2015. 

Chung, J., Son, J., Song, D., and Han, J.-I., "Advanced desalination system for CO2 mineralization with Na2CO3 as absorbent" The 5th Korea CCS International Conference Jeju, Korea, February 11, 2015. 

Son, J., Chung, J., Song, D., and Han, J.-I., "Direct CO2 mineralization using membrane-based electrolyzer" The 5th Korea CCS International Conference Jeju, Korea, February 11, 2015. 

Lee, I., Choi, S.-A., Oh, Y.-K., Park, J.-Y., and Han, J.-I., "Hydrothermal nitric acid treatment for effectual lipid extraction from wet microalgae biomass" The 3rd Asia-Oceania Algae Innovation Summit 2014. Daejeon, Korea, November 19, 2014. 

Sung, M., Seo, Y. H., and Han, J.-I., "High levels of docosahexaenoic acid production through microalga, Aurantiochytrium sp. KRS 101 using cheese whey" The 3rd Asia-Oceania Algae Innovation Summit 2014. Daejeon, Korea, November 19, 2014. 

Kim, G.-Y., Yun, Y.-M., Shin, H.-S., and Han, J.-I., "Nutrient removal using microalgae and biodiesel production from the effluent of anaerobic wastewater treatment system producing biogas" The 3rd Asia-Oceania Algae Innovation Summit 2014. Daejeon, Korea, November 19, 2014. 

Kim, D.-Y., Oh, Y.-K., Park, J.-Y., Kim, B.-W., Choi, S.-A., and Han, J.-I., "Harvesting microalgae and direct wet-lipid extraction using FeCl3" The 3rd Asia-Oceania Algae Innovation Summit 2014. Daejeon, Korea, November 19, 2014. 

Seo, Y. H., Sung, M., Choi, J. A., Han, S., Chung, J., and Han, J.-I., "Isolation of oleaginous yeasts from fermented seafood using targeting method" The 3rd Asia-Oceania Algae Innovation Summit 2014. Daejeon, Korea, November 18, 2014. 

Kim, K., Hyung, C.-H., Yoon, H.-C., Kim, J.-N., and Han, J.-I., “Effects of cathodic materials on the electrochemical ammonia synthesis from water and nitrogen in molten salts at atmospheric pressure” The 11th Annual NH3 Fuel Conference. Des Moines, IA, USA, September 21-24, 2014. 

Kim, K., Song, D., and Han, J.-I., “A liquid redox sulfur recovery process based on Heteropoly Molybdophosphate (HPMo) with electricity generation” The 23rd Joint KAIST-KU-NTU-NUS Symposium on Environmental Engineering. Kyoto, Japan, July 4, 2014. 

Song, D., Lee, Y.-C., Park, S.-B., and Han, J.-I., “Carbon dioxide conversion and calcium carbonate preparation by magnesium phyllosilicate and its application for batch process” The 23rd Joint KAIST-KU-NTU-NUS Symposium on Environmental Engineering. Kyoto, Japan, July 4, 2014. 

Seo, Y. H., and Han, J.-I., “Enhancement of growth and lipid production from microalgae using fluorescent paint under the solar radiation.” 2014 Algal Biomass Biofuels and Bioproducts. Santa Fe, New Mexico, USA, June 17, 2014. 

Sung, M., and Han, J.-I., “High levels of docosahexaenoic acid production through microalga, Aurantiochytrium sp. KRS 101 using cheese whey.” 2014 KSBB Spring Meeting and International Symposium. Gyeongju, Korea, April 10, 2014. 

Kim, G.-Y., and Han, J.-I., “Isolation and optimization of oleaginous yeast for biodiesel production.” 2014 KSBB Spring Meeting and International Symposium. Gyeongju, Korea, April 10, 2014. 

Kim, D.-Y., and Han, J.-I., “Enhanced electro-filtration methods for harvesting microalge.” Bioenergy Korea Conference & The 9th KSMB Annual Meeting International Symposium 2013. Jeju, Korea, Nov 13, 2013. 

Kim, I., and Han, J.-I., “Effects of ammonium carbonate pretreatment on the glucose yield and structural features of rice straw.” Bioenergy Korea Conference & The 9th KSMB Annual Meeting International Symposium 2013.Jeju, Korea, Nov 12, 2013. 

Han, J.-I. “Efficient harvesting of microalgae using membrane filtration technology.” i-BioB 2013. Beijing, China, Oct 22, 2013. 

Han, J.-I. “Microalgae harvesting?using?membrane filtration.” The 5th India-Korea Joint Workshop on Bioenergy. Trivandrum, India, Sep 9, 2013. 

Hwang, T., and Han, J.-I., “Improvement of membrane filtration for microalgae harvesting via simple surface modification." The 3rd International Conference on Algal Biomass, Biofuels & Bioproducts. Toronto, Canada, Jun 18, 2013. 

Sung, M., Seo, Y. H., Han, S., and Han, J.-I., “Cultivation of lipid accumulating yeast Crytococcus sp. using Jerusalem artichoke.” 2013 KSBB Spring Meeting and International Symposium. Gwangju, Korea, April 11, 2013. 

Chung, J., and Han, J.-I., “Isolation and characterization of oleaginous yeasts from mine drainage and soil.” 2013 KSBB Spring Meeting and International Symposium. Gwangju, Korea, April 11, 2013. 

Lee, B., Cho, H., Kim, G., and Han, J.-I., “Isolation for cellulose degraders and VFA production from isolated microorganisms.” 2013 KSBB Spring Meeting and International Symposium. Gwangju, Korea, April 11, 2013. 

Seo, Y. H., Han, S., and Han, J.-I., “Cultivation and lipid production of yeast Cryptococcus curvatus using pretreated microalgae supernatant.” 2013 KSBB Spring Meeting and International Symposium. Gwangju, Korea, April 11, 2013. 

Kim, I., and Han, J.-I., “Optimization of nitric acid pretreatment of rice straw for bioethanol production.” 2013 KSBB Spring Meeting and International Symposium. Gwangju, Korea, April 11, 2013. 

Han, J.-I., “Novel pretreatment technologies of cellulosic biomass for biofuel production.” The 3rd Asian Symposium on Innovative Bio-production of Fuels & Chemicals from Renewable Resources. Singapore, Jan 21, 2013. 

Han, J.-I., “Current progress towards developing the efficient process of microalgal biofuels.” International Symposium on New Trends in Bioenergy and Biomaterials: Challenges & Prospective. University of Gujrat, Pakistan Dec 5, 2012. 

Han, J.-I., “The present and future perspective of biofuels." 2012 Future Convergence Technology Forum. Seoul, Korea, Nov 27, 2012. 

Han, J.-I., “Novel Pretreatment Technologies of Cellulosic Biomass for Bioethanol Production.” 2012 International Symposium and Annual Meeting of the KSABC. Gwangju, Korea, Nov 9, 2012. 

Naim, R., and Han, J.-I., “A study on the growth behavior of Chlorella vulgaris by controlling light and nutrients (iron, glucose, methanol).” 15th International Biotechnology Symposium and Exhibition. Daegu, Korea, Sep 20, 2012. 

Hwang, T., and Han, J.-I., “Cross-flow membrane filtration system with hydrophilic polymer coated membrane for microalgae harvesting.” 15th International Biotechnology Symposium and Exhibition. Daegu, Korea, Sep 20, 2012. 

Lee, B., and Han, J.-I., “Isolation of cellulose degraders and construction of consolidated bioprocessing microorganisms.” 15th International Biotechnology Symposium and Exhibition. Daegu, Korea, Sep 19, 2012. 

Chung, J., Han, S., and Han, J.-I., “Isolation of oleaginous yeasts from oil-spilled areas and fermented sea-food.” 15th International Biotechnology Symposium and Exhibition. Daegu, Korea, Sep 18, 2012. 

Rehman, M.S.U., and Han, J.-I., “Sono-assisted diluted acid process for simultaneous pretreatment and saccharification of rice straw.” 15th International Biotechnology Symposium and Exhibition. Daegu, Korea, Sep 17, 2012. 

Sung, M., and Han, J.-I., “Effect of cultivation conditions on lipid production by Rhodotorula mucilaginosa .” 15th International Biotechnology Symposium and Exhibition. Daegu, Korea, Sep 17, 2012. 

Seo, Y.-H., and Han, J.-I., "The cultivation of the lipid accumulating yeast Cryptococcus curvatus using sludge as a carbon source." 15th International Biotechnology Symposium and Exhibition. Daegu, Korea, Sep 17, 2012. 

Han, J.-I., “Outcome of the 1st phase of algae research at the Advanced Biomass R&D Center (ABC), Korea.” 8th Asia-Pacific Conference on Algal Biotechnology and 1st International conference on Coastal Biotechnology. Adelaide, Australia, July 11, 2012. 

Han, J.-I., “Heterotrophic oil production.” 66th Biochemical Engineering Symposium. Pyeongchang, Korea, July 5, 2012. 

Han, J.-I., “Harvest Technology: Something new and something cool?” 2nd International Conference on Algal Biomass. San Diego, US, June 12, 2012. 

Han, J.-I., “The cultivation of the oleaginous yeast using many wastes as nutrients.” The 10th Anniversay Korea/Japan International Symposium on Resources Recycling and Materials Science. Daejeon, Korea, May 30, 2012. 

Seo, Y.-H., and Han, J.-I., “The cultivation of the oleaginous yeast Cryptococcus curvatus using sludge.” The 10th Anniversay Korea/Japan International Symposium on Resources Recycling and Materials Science. Daejeon, Korea, May 30, 2012. 

Naim, R., and Han, J.-I., “Reduction in cultivation cost and increase in growth rate of Chlorella vulgaris by controlling light and nutrient.” The 10th Anniversay Korea/Japan International Symposium on Resources Recycling and Materials Science. Daejeon, Korea, May 29, 2012. 

Han, J.-I., "Development of a novel M2FC system for improved cathodic sustainability and the effect of Fe-chelating complexes on a M2FC performance." 2012 1st Micorobial Fuel Cell Symposium. GIST, Gwangju, Korea, May 25, 2012. 

Han, J.-I., Kim, I., and Rehman, M. S. U. "Novel Pretreatment Technologies of Cellulosic Biomass for Bioethanol Production." 2012 KSBB Spring Meeting & International Symposium on Recent Advances in Biopharmaceuticals and Biomedical Engineering. Changwon, Korea, April 12, 2012. 

Han, J.-I. “Bio-oil production from biowastes using oleaginous yeasts." 2011 The 2nd i-BioP Asian Symposium.Pohang, Korea, December 14-16, 2011. 

Seo, Y.-H., and Han, J.-I. “Biodiesel Production Using Heterotrophic Microbes." 2011 International KSEE August Conference. Busan, Korea, August 21-24, 2011. 

Lee, B., and Han, J.-I. “Isolation of cellulose-degrading microorganism for increase of bioethanol production efficiency." 2011 International KSEE August Conference. Busan, Korea, August 21-24, 2011. 

Kim, I., and Han, J.-I. “Rice straw pretreatment by FeCl3 combined ultrasound for bioethanol production." 2011 International KSEE August Conference. Busan, Korea, August 21-24, 2011. 

Lee, I.-G., and Han, J.-I. “Pretreatment of Waste Activated Sludge (WAS) Using Hydrodynamic Cavitation." 2011 International KSEE August Conference. Busan, Korea, August 21-24, 2011. 

Kim, T.-G., Han, J.-I., and Han, S., “Quantitative Detection of Escherichia coli Using a Microbial Fuel Cell and the Improvement of Field Applicability." 2011 International KSEE August Conference. Busan, Korea, August 21-24, 2011. 

Kim, D.-Y., and Han, J.-I. “Development of NOx-capturing Fuel Cell System Using Iron EDTA."2011 International KSEE August Conference. Busan, Korea, August 21-24, 2011. 

Naim, R., and Han, J.-I. “Effects of Nitrate Concentration on the Growth of Chlorella vulgaris."2011 International KSEE August Conference. Busan, Korea, August 21-24, 2011. 

Han, J.-I. “Pretreatment of lignocellulosic biomass using ferric ion and its economical regeneration." The 1st i-BioK Asian Symposium. Kobe University, Japan, December 12, 2010. 

Han, J-I. “Celluosic Bioethanol Production: Past and Future." The 27th International Korea-Japan Seminar on Ceramics. Incheon, Korea, Nov 23-26, 2010. 

Han, J-I. “Bioethanol production from cellulosic biomass.” 2010 KKNN symposium. Kyoto, Japan, Jun 24-25, 2010. 

Han, J-I. “Cellulosic bioethanol production: current status.” The 8th Japan/Korea International Symposium on Resources Recycling and Materials Science. Seoul, Korea, Jun 24-25, 2010 

Lim, M. R., and Han, J.-I. “Cellulosic biomass-utilizing microorganisms consortium for high efficient bioethanol production."2010 KSEE Spring Conference. Jeju, Korea, May 6-7, 2010. 

Kim, D.-Y., and Han, J.-I. “Hydrogen production from glycerol electrolysis using MnO2/Pt catalyst."2010 KSEE Spring Conference. Jeju, Korea, May 6-7, 2010. 

Kim, I., Eom, H., and Han, J.-I. “Improving efficiency of microbial fuel cell by developing M2FC reactor."2010 KSEE Spring Conference. Jeju, Korea, May 6-7, 2010. 

Kim, T.-G., and Han, J.-I. “Rapid Quantity Measurement of Escherichia coli Using a Microbial Fuel Cell Principle."2010 KSEE Spring Conference. Jeju, Korea, May 6-7, 2010. 

Han, J-I. “Bioethanol production from cellulosic biomass: A short review.” The 7th Japan/Korea International Symposium on Resources Recycling and Materials Science. Kyoto, Japan, Dec 15-18, 2009. 

Han, J.-I. “Physiological and Genomic Properties of an Endophytic Quorum Quenching Agent, Variovorax paradoxus S110" MSK's."the 50th Anniversary of International Conference of The Microbiology Society of Korea Jeju, Korea, May 28-30, 2009 

Han, J.-I., and Wang, B., “Single Chamber Stackable Microbial Fuel Cell with Air Cathode." 2007 ACS Annual Conference. Boston, US, Aug 19-23, 2007. 

O’Neil, J., Huang, JJ., Leadbetter, J.R., Han, J.-I. "A Novel Mechanism to Resist Bacterial Diseases: Quorum Quenching" 2007 Environmental Societies Joint Conference. Korea, Mar 2, 2007 

Han, J.-I., and Kilduff, J. “Environmental Biotechnology Course." 2006 ASEE Annual Conference. Chicago, US, June 17-21, 2006. 

Han, J.-I., and Semrau, J.D. “Quantification of the expression of pmoA in methanotrophs using competitive RT-PCR." 221st ACS National Meeting. San Diego, US, April 1-5, 2001. 

Semrau, J.D., Morton, J., Lontoh, S., Han, J.-I., and Hayes, K.F. "Copper bioavailability and its effects on methanotrophic activity." Proceedings of the 4th International Symposium on Subsurface Microbiology. Vail, Colorado, US, August, 1999. 

Han, J.-I., and Semrau, J. D. “Degradation kinetics of halogenated hydrocarbons by Methylomicrobium album BG8.” 99th General Meeting of the American Society of Microbiology (ASM). Chicago, US, May-June, 1999..