Cyrus
K. Aidun
Professor
Mechanical Engineering
Phone: (404) 894-6645
cyrus.aidun@me.gatech
Faculty Web Page |
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APPROACH
PIPING
Phenomena in pulsating dewatering |
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COATING
Coater design
Coating
Fiber texture and paper/board surface roughness
Minerals/pigments, fillers/coatings, two sidedness |
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FIBER
PROPERTIES
Fiber orientation |
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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 |
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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 |
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PAPER
PROPERTIES
Dimensional stability
Paper grade design |
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TESTING
Laboratory and on-machine measuring instrumentation
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Sujit Banerjee
Professor
Chemical and Biomolecular Engineering
Phone: (404) 894-9709
sujit.banerjee@ipst.gatech.edu
Faculty Web Page
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AERATION
AND SLUDGE
Sludge dewatering |
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ENVIRONMENTALLY SUSTAINABLE INDUSTRIES AND PROCESS
TECHNOLOGY
Sludge reduction |
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RECYCLING
Fines - hornification
Stickies control
Strategies to combat stickies |
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VOC'S
AND WOOD DRYING
Environmental issues VOC control
VOC's & Wood Drying
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Michael Buchanan
Research Scientist II
Phone: (404) 894-5338
mike.buchanan@ipst.gatech.edu
Faculty Web Page
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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 |
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FORESTRY
Chemical Analysis:
• Wood
• Female Gametophyte Tissue
• Embryo Tissue
• Tissue Culture Media |
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RECOVERY BOILER
Black liquor analysis:
• Elemental analysis
• Heating value
• Total solids content |
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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
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Yulin Deng
Professor
Chemical and Biomolecular Engineering
Phone: (404) 894-5759
yulin.deng@ipst.gatech.edu
Faculty Web Page
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DEINKING
Deinking
Flotation deinking, paper recycling |
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ENVIRONMENT
Systems of effluent reduction / elimination |
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FIBER
PROPERTIES
Wet fiber compatibility |
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FILLER
Synthesis and modification |
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FORMING
Kinetics of different retention systems
Laboratory simulation of subprocesses to clarify active mechanisms
and characterization of stock or web properties |
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NANOMATERIALS
Nanomaterials |
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PROCESS CONTROL
On-line/in-line chemical process monitoring in pulp and paper
industry |
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RECYCLING
Recycling
Toner removal from recycled fiber
Xerographic toner in recycling of paper
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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)
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Steve Lien
Research Coord. II
Phone: (404) 894-6674
Steve.Lien@ipst.gatech.edu
Faculty Web Page
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BLACK LIQUOR EVAPORATORS AND HIGH SOLIDS CONCENTRATORS
Black liquor characterization:
• Critical solids content
• Fouling tendency
Hard Scale Fouling
Calcium Deactivation
Scaling Problems
Troubleshooting |
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ENVIRONMENT (ZERO DISCHARGE MILL)
Chloride
and potassium removal
Control of non-process elements |
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RECAUST OPERATIONS
Green liquor line deposits |
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RECOVERY BOILER
Black liquor combustion
Recovery
boiler fouling and plugging |
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RECYCLING
Chloride
and other non-process elements and their behavior
in the
recovery cycle
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Shaobo Pan
Research Coord. II
Phone: (404) 894-7858
Shaobo.Pan@ipst.gatech.edu
Faculty Web Page
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FORMING
Fiber and Paper Microscopy
Z-direction studies, cross sectioning |
Roman Popil
Senior Research Scientist
Phone: (404) 894-9722
roman.popil@ipst.gatech.edu
Faculty Web Page
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CONVERTING
Adhesive Greeen Bond
Performance
Combined Board
Corrugating
Experimental Materials |
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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 |
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FIBER PROPERTIES
Paper physics |
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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 |
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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 |
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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 |
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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 |
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PRINTABILITY
Image analysis techniques for print quality, mottle,
dot quality
Paper surface characterization for printing,
density/roughness/gloss relationships |
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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 |
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TESTING
Fracture mechanics in paper
Laboratory and on-machine measuring instrumentation
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Gerald S. Pullman
Professor
Biology
Phone: (404) 894-0363
jerry.pullman@ipst.gatech.edu
Faculty Web Page
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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 |
Arthur J. Ragauskas
Professor
Chemistry and Biochemistry
Phone:
(404) 894-9701
arthur.ragauskas@ipst.gatech.edu
Faculty Web Page |
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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 |
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FORESTRY
Biotechnological methods used in pulp and paper
production |
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NANOMATERIALS
Nanomaterials |
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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 |
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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 |
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TESTING
Chemical characterization of wood, pulp and paper |
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WOOD
CHEMISTRY
Chemical fundamentals of lignin and carbohydrate
degradation
reactions during pulping and bleaching
Pulping with catalysts
Wood chemistry
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Scott Sinquefield
Senior Research Engineer
Phone: (404) 385-0241
scott.sinquefield@ipst.gatech.edu
Faculty Web Page
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RECAUST OPERATIONS
Green liquor line deposits |
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RECOVERY BOILER
Gasification of Black Liquor
Recovery boiler fume and carryover
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Preet M. Singh
Professor
of Engineering
Phone: (404) 894-6641
preet.singh@ipst.gatech.edu
Faculty Web Page |
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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 |
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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
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Rallming Yang
Research Engineer II
Phone:
(404) 894-7862
rallming.yang@ipst.gatech.edu
Faculty Web Page |
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TESTING
Analysis of white, green and black pulping liquors
Fiber length, curl and kink by FQA analysis
Testing of pulp, paper and fiber analysis |
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PULPING
Currently managing Pulping and Bleaching lab
Pulping analysis of woody and non-woody material
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