Georgia Tech Home PageIPST Home Page
Members' ChannelCPBISMuseumWebmailMember CompaniesGT MapGT DirectorySite MapWebsite Use InstructionsSearch Engine
  Expertise Directory

Area of Expertise

 

Return to

IPST Home Page
Expertise Directory
Top of Page
Top of Page
Top of Page
Top of Page
Top of Page
Top of Page
Top of Page
Top of Page
Expertise Directory  
Expertise Directory by Faculty


Cyrus Aidun
Cyrus K. Aidun

Professor
Mechanical Engineering
Phone: (404) 894-6645
cyrus.aidun@me.gatech
Faculty Web Page


APPROACH PIPING
Phenomena in pulsating dewatering
COATING
Coater design
Coating
Fiber texture and paper/board surface roughness
Minerals/pigments, fillers/coatings, two sidedness
FIBER PROPERTIES
Fiber orientation
FORMING
CD sheet uniformity
Effects of drainage and dewatering on the layered structure of paper
Fluid-structure interaction analysis of various papermaking processes
Headbox performance
Image analysis
New headbox development, application, and pilot paper machine trials
Stack lean in forms bond formation
Twist warp in linerboard
Uniformity of paper, formation
Web dynamics
HEADBOX
CD sheet uniformity
Fiber orientation in headbox
Headbox
Headbox performance
Stack lean in forms bond formation
Suspension flow in headbox
Twist warp in linerboard
PAPER PROPERTIES
Dimensional stability
Paper grade design
TESTING
Laboratory and on-machine measuring instrumentation


Sujit Banerjee
Sujit Banerjee

Professor
Chemical and Biomolecular Engineering
Phone: (404) 894-9709
sujit.banerjee@ipst.gatech.edu
Faculty Web Page



AERATION AND SLUDGE

Sludge dewatering
ENVIRONMENTALLY SUSTAINABLE INDUSTRIES AND PROCESS
TECHNOLOGY

Sludge reduction
RECYCLING
Fines - hornification
Stickies control
Strategies to combat stickies

 

 

VOC'S AND WOOD DRYING
Environmental issues VOC control
VOC's & Wood Drying

 


Michael Buchanan
Michael Buchanan

Research Scientist II
Phone: (404) 894-5338
mike.buchanan@ipst.gatech.edu
Faculty Web Page



BLACK LIQUOR EVAPORATORS AND HIGH SOLIDS CONCENTRATORS

Black liquor analysis: Critical solids content
Black liquor analysis: Elemental Analysis
Black liquor analysis: Fiber content
Black liquor analysis: Inorganic composition
Black liquor analysis: Soap content
Black liquor analysis: Total solids content
FORESTRY
Chemical Analysis:
   • Wood
   • Female Gametophyte Tissue
   • Embryo Tissue
   • Tissue Culture Media
RECOVERY BOILER
Black liquor analysis:
   • Elemental analysis
   • Heating value
   • Total solids content
TESTING
Chemical characterization of machine deposits, evaporator scale and
     product contaminants
Chemical characterization of wood, pulp and paper
Chromatographic, spectroscopic, and wet chemical techniques including
     FTIR, HPLC, GC, GC/MS, ICP, ion chromatography, capillary
     ion electrophoresis, elemental analysis, calorimetry,
     potentiometry, titrimetry, and gravimetry
Contaminant/particle and defect identification
Defect analysis
Laboratory quality systems
Methods development
Specification testing
White, green, and black liquor testing


Yulin Deng
Yulin Deng

Professor
Chemical and Biomolecular Engineering
Phone: (404) 894-5759
yulin.deng@ipst.gatech.edu
Faculty Web Page



DEINKING

Deinking
Flotation deinking, paper recycling
ENVIRONMENT
Systems of effluent reduction / elimination
FIBER PROPERTIES
Wet fiber compatibility
FILLER
Synthesis and modification
FORMING
Kinetics of different retention systems
Laboratory simulation of subprocesses to clarify active mechanisms
     and characterization of stock or web properties
NANOMATERIALS
Nanomaterials
PROCESS CONTROL
On-line/in-line chemical process monitoring in pulp and paper
     industry
RECYCLING
Recycling
Toner removal from recycled fiber
Xerographic toner in recycling of paper

WET-END CHEMISTRY
Chemistry
Liquid-Substrate Interactions
Effect of sizing on end-use requirements
Kinetics of Different Retention Systems
Polymer
Retention, sizing drainage, strength
Wet-end chemistry process measurement and control
     (ZP, TOC, flocculation, drainage)


Steve Lien
Steve Lien

Research Coord. II
Phone: (404) 894-6674
Steve.Lien@ipst.gatech.edu
Faculty Web Page



BLACK LIQUOR EVAPORATORS AND HIGH SOLIDS CONCENTRATORS
Black liquor characterization:
   • Critical solids content
   • Fouling tendency
Hard Scale Fouling
Calcium Deactivation
Scaling Problems
Troubleshooting
ENVIRONMENT (ZERO DISCHARGE MILL)
Chloride and potassium removal
Control of non-process elements
RECAUST OPERATIONS
Green liquor line deposits
RECOVERY BOILER
Black liquor combustion
Recovery boiler fouling and plugging
RECYCLING
Chloride and other non-process elements and their behavior in the
     recovery cycle


Roman Popil
Roman Popil

Senior Research Scientist
Phone: (404) 894-9722
roman.popil@ipst.gatech.edu
Faculty Web Page



CONVERTING
Adhesive Greeen Bond Performance
Combined Board
Corrugating
Experimental Materials
CORRUGATING
Combined Board Manufacturing and Converting
Corrugating
Corrugating Adhesives
Corrugator instrumentation development
Evaluation of wax replacement coatings
Experimental Design
Experimental Materials
Medium and Linerboard Runnability
Optimization of corrugated structures and corrugating processes
Pilot Plant Operations
Predictive models of ECT, BCT based on correspondences to
     component physical properties
FIBER PROPERTIES
Paper physics
FORMING
Formation measurement and characterization
Formation and fiber physics, theory of paper formation
Fourdrinier table activity evaluation and optimization for formation
Laboratory simulation of subprocesses to clarify active mechanisms
     and characterization of stock or web properties
Layering, structure, starch and/or porosity distribution
On-machine trials: twin former blade styles
Paper dimensional stability
Papermaking and the effects of paper properties on converting
Stree analysis
Ultrasonic nondestructive testing, paper grinding, and simulated aging
     studies
INSTRUMENTATION
Laser ultrasonic laboratory instruments for bending stiffness measurement
     of paper and paperboard
Measurements and specialized instrumentation for paper surface
     quality, hygroexpansivity
On-line measurements and characterization of pulp dirt and calender
     roll roughening
PAPER PROPERTIES
Combined Board Testing and Performance
Creep Testing and Performance
Formation measurements
Measurement of fiber creep and surface nonuniformity of paper
Measurements of compressibility
Mechanical properties of paper Brentholt effect
Paper physics
Paper properties
Stiffness
Structure and properties of paper
Web properties
Wet Strength
PAPERMAKING
Coating pilot plant trials, evaluation of coating structures: uniformity,
     z -profiles
Containerboard Production and Performance
Experimental Design
Experimental Materials
Headbox/paper machine trouble-shooting through paper analysis of CD
     profiles of stiffness orientation
Paper testing and test methods, analysis and interpretation of paper
     property physical test data
Pilot plant operations
PRINTABILITY
Image analysis techniques for print quality, mottle, dot quality
Paper surface characterization for printing,
     density/roughness/gloss relationships
PROCESS-CONTROL
Design of processes and strategies for cost effective surface finishing
Instrumentation and sensors for measurement of paper properties
Laboratory and on-machine measurement instrumentation,
     industrial separation technologies
Micro Electro Mechanical Systems (MEMS) sensors
Nondestructive ultrasonic testing, power ultrasonics, signal processing,
     fluid dynamics, optics, and instrumentation design
Non-contact measurement of paper stiffness
On-line sensor development and implementation for caliper, color,
     formation, surface roughness, gloss
Optical sensors
Paper finishing mathematical modelling and pilot plant calendering trials
Property measurement for process-control
Ultrasonic sensors and instrumentation development for on-line
     measurement of the mechanical properties of paper
Ultrasonics
TESTING
Fracture mechanics in paper
Laboratory and on-machine measuring instrumentation


Gerald Pullman
Gerald S. Pullman

Professor Emeritus
Biology
Phone: (404) 894-0363
jerry.pullman@ipst.gatech.edu
Faculty Web Page



FORESTRY
Clonal propagation of softwoods through somatic embryogenesis
Embryo development
Genetic transformation of woody plants
Microbiology of paper
Multiplication of high value trees through somatic embryogenesis
Plant physiology
Plant tissue culture
Somatic embryogenesis
Gene expression during embryo development
Genetic improvement of wood and fiber properties
Molecular biology

Art Ragauskas
Arthur J. Ragauskas

Adjunct Professor
Chemistry and Biochemistry
Phone: (404) 894-9701
arthur.ragauskas@ipst.gatech.edu
Faculty Web Page


BLEACHING

Bio-Bleaching
Bleached chemical pulp manufacturing technology
Bleaching
Bleaching mechanical pulp
Brightness stabilization of mechanical pulp
Chlorine dioxide bleaching
ECF bleaching
Environmental aspects of bleaching
Improving bleachability of Kraft pulp
Oxygen delignification
Peroxide bleaching
TCF bleaching
FORESTRY
Biotechnological methods used in pulp and paper production
NANOMATERIALS
Nanomaterials
PAPER PROPERTIES
Accelerated aging of paper materials
Barrier properties of composite structures
Composite papers
Paper permanence; physical and chemical
Strength properties prediction from the near-infrared (NIR) analysis of pulp
Surface modification of paper
PULPING
Chemical pulp production
Chemical pulp strength
Chemical pulp yield
Effects of pulping and bleaching on fiber properties
Fundamental chemistry of pulping and bleaching processes
Impact of chemical pulp structures on oxygen delignification
Modified kraft pulping
TESTING
Chemical characterization of wood, pulp and paper
WOOD CHEMISTRY
Chemical fundamentals of lignin and carbohydrate degradation
     reactions during pulping and bleaching
Pulping with catalysts
Wood chemistry


Preet Singh
Preet M. Singh

Professor of Engineering
Phone: (404) 894-6641
preet.singh@ipst.gatech.edu
Faculty Web Page


CORROSION

Black liquor gasifier materials
Corrosion
Corrosion monitoring and materials testing
Digester corrosion
Fatigue testing of duplex steels
Materials selection for corrosive environments
On-line corrosion monitoring in recovery boilers
Paper machine corrosion
Recovery boiler corrosion
RECOVERY BOILER
Experience in conducting laboratory and field corrosion tests and
     corrosion probe design and uses
Fatigue testing of duplex steels and on-line gas sampling of kraft
     recovery boilers
Recovery boiler corrosion


Gerald Pullman
Scott Sinquefield

Senior Research Engineer
Phone: (404) 385-0241
scott.sinquefield@ipst.gatech.edu
Faculty Web Page



RECAUST OPERATIONS
Green liquor line deposits
RECOVERY BOILER
Gasification of Black Liquor
Recovery boiler fume and carryover

 

 

 


Rallming Yang
Rallming Yang

Research Engineer II
Phone: (404) 894-7862
rallming.yang@ipst.gatech.edu
Faculty Web Page


TESTING
Analysis of white, green and black pulping liquors
Fiber length, curl and kink by FQA analysis
Testing of pulp, paper and fiber analysis
PULPING
Currently managing Pulping and Bleaching lab
Pulping analysis of woody and non-woody material


  About RBI   Member Listing   Expertise Directory   Faculty & Staff   Testing Services   Degree Programs
Current Students   Alumni   How to Give a Gift   News and Events   RBI Internal Site
Georgia Tech Home Page