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Feb 3rd, 2008

Junyong (JY) Zhu

junyong-zhu.jpgAdjunct Professor, Ph.D.
USDA Forest Product Laboratory
Building 33, Room 243
One Gifford Pinchot Dr.
Madison, WI 53726
Tel: (608) 231-9520
Fax: (608) 231-9538
E-mail: jzhu9@wisc.edu

 

 

Program Affiliations

  • Biological Systems Engineering, University of Wisconsin, Madison
  • USDA Forest Products Laboratory, USDA Forest Service

Teaching

  • BSE 460: Biorefining - Energy and Products from Renewable Resources

Education

  • B. Sc. Mechanical Engineering, Beijing Institute of Aeronautics and Astronautics, China 1983
  • M. Sc. Mechanical Engineering, Arizona State University, Tempe, AZ, 1988
  • Ph.D. Engineering, University of California, Irvine, CA, 1991

Fields of Interest

  • Mechanical and chemical pretreatments of lignocellulose for bioconversion
  • Biorefinery process integration for efficient production of biofuel and bioproducts
  • Nano-fibrillated cellulose production, characterization, and utilization.
  • Fundamentals of nano-scale structure and activities associated with enzyme access in lignocellulose bioconversion processes
  • Biomass feedstock characterization
  • Fiber resources, properties, characterization, processing, and modification
  • Fiber Production through mechanical and chemical pulping
  • Secondary fiber recovery through waste paper recycling

Current Major Recent Research Grants

  • High-value Nano-fibrillated Cellulose Polymer Reinforcement as a Biofuel Co-product, Co- Principal Investigator. USDA National Institute of Food and Agriculture (NIFA) Competitive Grants Foundation Program - Sustainable Energy. 1/2011–1/2016, ~$987,000
  • A Sulfite Pretreatment (SPORL) Process for Efficient Biochemical Conversion Woody Biomass to Bioethanol, USDA Phase II Small Business Innovative Research, through Biopulping International, Inc., 10/2010–9/2012, $400,000

Selected Publications

  • Selected Referred Journal Publication (since 1998 only, Available at: http://www.fpl.fs.fed.us/people/bios/employee_level_bio.php?employee_id=1601.      Zhu, J.Y., Sabo, R., Luo, X.L., (2011), “Integrated Production of Nano-fibrillated Cellulose and Biofuel (Ethanol) by Enzymatic Fractionation of Wood Fibers”, Green Chemistry (in press) DOI:10.1039/C1GC15103G2.      Luo, X., Zhu, J.Y., Gleisner, R., H.Y. Zhan, (2011) “Effect of Wet Pressing-induced Fiber Hornification on Enzymatic Saccharification of Lignocelluloses,” Cellulose (in press) DOI:10.1007/s10570-011-9541-z 3.      Zhu, J.Y., Liu, H., Verrill, S., Herian, V., Pan, X.J., Rockwood, D.L., (2011) “On Polydispersity of Feedstock Recalcitrance and Its Effects on Pretreatment Optimization for Sugar Production” BioEnergy Research (in press) DOI:10.1007/s12155-011-9113-y4.      Tian, S. , Zhu, W., Gleisner, R., Pan, X.J., Zhu, J.Y., (2011) “Comparisons of SPORL and Dilute Acid Pretreatments for Sugar and Ethanol Productions from Aspen” Biotechnology Progress 29:419-427

    5.      Liu, H., Zhu, J.Y., Chai, X.S., (2011) “In-situ, Rapid and Temporally Resolved Measurements of Cellulase Adsorption onto Lignocellulosic Substrates by UV-Vis Spectrophotometry” Langmuir  27(1):272-278

    6.      Wang, G.S., Lee, J.-W., Zhu, J.Y., Jeffries, T.W. (2011) “Dilute Acid Pretreatment of Corncob for Efficient Sugar Production”  Applied Biochemistry and Biotechnology  163:658

    7.      Luo, X., Zhu, J.Y., (2011) “Effects of Drying-induced Fiber Hornification on Enzymatic Saccharification of Lignocelluloses,” Enzyme and Microbial Technology 48(1):92-99

    8.      Liu, H., Zhu, J.Y., (2010), “Eliminating Inhibition of Enzymatic Hydrolysis of Cellulose by Lignin in an Unwashed Aspen Substrate Using Lignin-Metal Complexation” Bioresource Technology 101:9120-9127

    9.      Luo, X.L., Gleisner, R., Tian, S., Zhu, W.Y., Negron, J., Horn, E., Pan, X.J, Zhu, J.Y., (2010), “Evaluation of Mountain Beetle Killed Lodgepole Pine for Cellulosic Ethanol Production by SPORL”  Ind. Eng. Chem. Res. 49(17):8258-8266

    10.  Tian, S., Luo, X.L., Yang, X.S., Zhu, J.Y., (2010), “Robust Cellulosic Ethanol Production from SPORL-Pretreated Lodgepole Pine Using an Adapted Strain S. cerevisiae without Detoxification” Bioresource Technology 101:8678:8685

    11.  Liu, H., Zhu, J.Y., Fu, S.Y., (2010), “Effects of Lignin-Metal Complexation on Enzymatic Hydrolysis of Cellulose”.  J. Agricultural and Food Chemistry, 58:7233-7238

    12.  Zhu, J.Y., Zhu, W. OBryan, P., Dien, B.S.,Tian, S., Gleisner, R., Pan, X.J., (2010),  “Ethanol Production from SPORL-Pretreated Lodgepole Pine: Preliminary Evaluation of Mass Balance and Process Energy Efficiency”.  Applied Microbiology and Biotechnology 86(5):1355-1365

    13.  Zhu, W., Zhu, J.Y., Glesiner, R., Pan, X.J., (2010), “On Energy Consumption for Size-Reduction and Yield from Subsequent Enzymatic Hydrolysis of Lodgepole Pine,” Bioresource Technology 101(8):2782-2792

    14.  Zhu, J.Y. and Pan, X.J., (2010), “Woody Biomass Pretreatment for Cellulosic Ethanol Production: Technology and Energy Consumption Evaluation” Bioresource Technology 101:4992-5002

    15.  Wang, G.S., Pan, X.J., Zhu, J.Y., Gleisner, R., Rockwood, D.R., (2009), “Sulfite Pretreatment to Overcome Recalcitrance of Lignocellulose (SPORL) for Robust Enzymatic Saccharification of Hardwoods” Biotechnology Progress, 25(4):1086-1093

    16.  Zhu, J.Y., Pan, X.J., Wang, G.S, Gleisner, R., (2009), “Sulfite Pretreatment (SPORL) for Robust Enzymatic Saccharification of Spruce and Red Pine” Bioresource Technology, 100(8):2411-2418

    17.  Zhu, J.Y., Wang, G.S., Gleisner, R., Pan, X., (2009), “Specific Surface for Evaluating Wood Size Reduction and Pretreatment Efficiencies” Chemical Engineering Science, 64(3):474-485.

    18.  Zhao, Y., Wang, Y. Zhu, J.Y., Ragauskas, A.J., Deng, Y. (2008), “Enhanced Enzymatic Hydrolysis of Spruce by Alkaline Pretreatment at Low Temperature,” Biotechnology and Bioengineering, 99(6):1320-1328

    19.  Zhu, J.Y., Vahey, D. W., Scott, C.T., (2008), “Some Observations of Wood Density and Anatomical Properties in a Douglas fir Sample with Suppressed Growth”, Wood Fib. Sci. 40(2):225-232

    20.  Zhu, J.Y., Scott, C.T., Gleisner, R., Mann, D., Vahey, D.W., Dykstra, D.P., Quinn, G.H., Edwards, L.L., (2007), “Forest Thinnings for Integrated Commercial Production of Lumber and Paper”  Forest Products J., 57(11):8-13 Feature Article

    21.  Zhu, J.Y. Scott, T.C., Scallon, K.L., and Myers, G.C., (2007), “Effect of Plantation Density on Wood Density and Anatomical Properties of Red Pine (Pinus resinosa Ait.)” Wood Fib. Sci.. 39(3):502-512

    22.  Vahey, D. W., Zhu, J.Y., Scott, T.C. (2007), “Wood Density and Anatomical Properties in Suppressed- Growth Trees: Comparison of Two Methods”, Wood Fib. Sci.  39(3):462-471

    23.  Vahey, D.W., Zhu, J.Y., Houtman, C.J., (2006), “On Measurements of Effective Residual Ink Concentration (ERIC) of Recycled Papers using Kubelka-Munk Theory,” Prog. Paper Recycling., 16(1):3-12

    24.  DeLozier, G., Zhao, Y.L., Deng, Y., White, D., Zhu, J.Y., and Prein, M., (2005), “Laboratory- and Mill-Scale Study of Surfactant Spray Flotation Deinking,” TAPPI J., 4(10):25-30

    25.  Zhu, J.Y., Tan, F., and Gleisner, R., (2005), “Monitor Liquid and Solid Content in Froth Using Conductivity,” Prog. Paper Recycling., 14(4):21-29

    26.  Zhu, J.Y., Tan, F., (2005), “Dynamic Drainage of Froth with Wood Fibers,” Ind. Eng. Chem. Res. 44:3336-3342.

    27.  Zhu, J.Y., Tan, F., Scallon, K.L., Zhao, Y.L., Deng, Y., (2005), “Deinking Selectivity (Z-Factor): A New Parameter to Evaluate the Performance of Flotation Deinking Process, ” Separation and Purification Technology, 43(1):33-41

    28.  Chai, X.S., Hou, Q.X., Zhu, J.Y., (2003), “Carboxyl Groups in Wood Fibers: Part II.  The Fate of Carboxyl Groups during Alkaline Delignification,” Ind. Eng. Chem. Res., 42:5445-5449

    29.  Chai, X.S., Hou, Q.X., Zhu, J.Y., Chen, S.L., Wang, S.F., Lucia, L., (2003), “Carboxyl Groups in Wood Fibers: Part I.  Determination of Carboxyl Groups by Headspace Gas Chromatography,”  Ind. Eng. Chem. Res.,  42:5440-5444

    30.  Luo, Q., Deng, Y., Zhu, J.Y., and W.-T. Shin (2003), “Foam Control Using Foaming Agent Spray: A Novel Concept for Flotation Deinking of Wastepaper,” Ind. Eng. Chem. Res., 42:3578-3583

    31.  Zhu, J.Y., Chai, X.-S., Pan, X.J., Luo, Q., and Li, J., (2002), “Quantification and Reduction of Organic Sulfur Compound Formation in a Commercial Wood Pulping Process,” Environ. Sci. Techno.  36(10):2269-2272

    32.  Chai, X.S., Yoon, S.-H., Zhu, J.Y., Li, J., (2001), “The Fate of Hexenuronic Acid Groups during Alkaline Pulping of Loblolly Pine,” J. Pulp Paper Sci., 27(12):407-411

    33.  Chai, X.S., Luo, Q., Yoon, S.-H., Zhu, J.Y., (2001), “The Fate of Hexenuronic Acid Groups during Kraft Pulping of Hardwoods,” J. Pulp Paper Sci., 27(12):403-406

    34.  Chai, X.S., Zhu, J.Y., and Li, J., (2001), “A Simple and Rapid Method to Determine Hexenuronic Acid Groups in Chemical Pulps,” J. Pulp Paper Sci., 27(5):165-170

    35.  Chai, X.-S., Q. Luo, and Zhu, J.Y. (2001), “Analysis of Non-volatile Species in a Complex Matrix by Headspace Gas Chromatography,” J. Chromatography A., 909(2):249-257

    36.  Zhu, J.Y., Liu, P.H., and Chai, X.S., Bullock, K.R., Teja, A.S., (2000), “Henry’s Law Constant of Methanol in Pulping Spent Liquor,” Environ Sci. Techno., 34(9):1742-1746

    37.  Chai, X.S. and Zhu, J.Y., (1998), “An Indirect Headspace Gas Chromatographic Method for Vapor-Liquid Equilibrium Study,” J. Chromatography A , 799:207-214

    38.  Chai, X.S. and Zhu, J.Y., (1998), “Simultaneous Measurements of Solute Content and Henry’s constant by Multiple Extraction Headspace Gas Chromatography,” Analytical Chemistry, 70(16):3481-3487

    39.  Koepke, S.A. and Zhu, J.Y., (1998), “Pyrolysis of Black Liquor particles in a High-Intensity Acoustic Field,” Combust. Sci. Techno. 140(1-6):315-331

Book

  • Edited Book: Zhu JY, Pan XJ, Zhang X, (2011) Sustainable Production of Fuels, Chemicals, and Fibers from Forest Biomass, American Chemical Society (ACS) Symposium Book (in press).

Book Chapters

  • Chai, X.-S. and Zhu, J.Y. (2001), “Application of Headspace Gas Chromatography in the Pulp and Paper Industry,” in Recent Research Development in Analytical Chemistry, 1, pp. 61-75. Transworld Research Network
  • Beecher, J.F., Hunt, C.G., and Zhu, J.Y. (2009), “Tools for the Characterization of Biomass at the Nanometer Scale,” In: Lucia, L.A. and Rojas, O.J. (Eds), The Nanoscience and Technology of Renewable Biomaterials, Wiley-Blackwell, pp. 61-80
  • BOOK CHAPTER: Rockwood, D.L., Kirst, M., Isebrands, J.G., and Zhu, J.Y. (2011), “Forest Trees” in Handbook of Bioenergy Crop Plants (Kole C, Joshi CP, and Shonnard DR, eds.) CRC Press, Taylor and Francis Group (In press).
  • BOOK CHAPTER: Zhu, J.Y. (2011), “Physical Pretreatment - Woody Biomass Size-Reduction - for Forest Biorefinery” in Sustainable Production of Fuels, Chemicals, and Fibers from Forest Biomass (Zhu JY, Pan XJ, Zhang X, eds), American Chemical Society (ACS) (In press).

Awards and Honors

  • Nominee, Forest Service Chief’s Partnership Award, 2006
  • Scientific Excellence Award, National Textile Center, 2002
  • President’s Award, Institute of Paper Science and Technology, 1999
  • Successful Story Project, US Dept Energy/TAPPI/AF&PA, 1998
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