|
Mike
Buchanan
Research Scientist II
Phone (404) 894-5338
mike.buchanan@ipst.gatech.edu |
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 |
|
Xin-Sheng
Chai
Senior Research Scientist
Ph.D., Royal
Institute of Technology, Sweden, 1996
Phone
(404) 894-9992
xinsheng.chai@ipst.gatech.edu |
DEINKING |
| |
Closed cycle papermaking |
PROC
ESS CONTROL |
| |
On-line/in-line chemical process monitoring in
pulp and paper industry |
RECYCLE |
| |
Chloride and other non-process elements and their
behavior in the recovery cycle |
VOC'S AND WOOD DRYING |
| |
Vapor-liquid partitioning of VOC's in mill streams
with applications to stripping
Emissions of methanol and other VOC's |
TESTING |
| |
Laboratory and on-machine measuring instrumentation |
|
Charles
Courchene
Senior Research Engineer
M.EnS., Miami University,
1978
Phone (404) 894-7860
charles.courchene@ipst.gatech.edu |
BLEACHING |
| |
Bleaching
Chlorine dioxide bleaching
ECF bleaching
Environmental aspects of bleaching
Improving bleachability of kraft pulp
Oxygen bleaching
TCF bleaching |
FIBER PROPERTIES |
| |
Fiber Measurement
Fiber Properties
Structure
and properties of wood pulp fibers |
FORMING |
| |
Laboratory simulation of subprocesses to clarify
active mechanisms and characterization of stock or
web properties
Micellaneous
Equipment manufacture
Vessel
Picking |
PULPING |
| |
Bleached chemical pulp manufacturing technology
Bleaching mechanical pulp
Chemical pulp production, strength and yield
Effects of pulping and bleaching on fiber properties
Kraft pulping
Kraft pulping uniformity - effect of heat and mass transfer, and kinetics
Modified kraft pulping
Polysulfide pulping
Pulp washing
Wood quality
Yield improvement of chemical pulps |
RECYCLE |
| |
Bleaching recycled paper
Wastepaper processing |
STOCK PREPARATION |
| |
Refining |
| |
Stock preparation |
TESTING |
| |
Microscopy
(TEM, SEM, confocal scanning laser microscope,
LM) |
|
Nikolai DeMartini
Research Engineer
Phone (404) 385-7054
nikolai.demartini@ipst.gatech.edu |
BLACK LIQUOR EVAPORATORS AND HIGH SOLIDS CONCENTRATORS |
| |
Black liquor characterization:
• Critical solids content
• Fouling tendency
Hard Scale Fouling
Calcium Deactivation
Scaling Problems
Troubleshooting |
ENVIRONMENTAL (MILL CLOSURE) |
| |
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 |
RECYCLE |
| |
Chloride
and other non-process elements and their behavior
in the recovery cycle |
|
E-Jiang Ding
Research Scientist II
Phone (404) 894-9769
ejiang.ding@ipst.gatech.edu |
|
|
Kristiina Iisa
Principal Research Engineer
Chemical and Biomolecular Engineering
PhD, Abo Akademi University, 1993
Phone (404) 894-5757
kristiina.iisa@ipst.gatech.edu |
|
|
Roman
Popil
Senior Research Scientist
Ph.D.,
University of British Columbia, 1984
Phone (404) 894-9722
roman.popil@ipst.gatech.edu |
CORRUGATING |
| |
Corrugator instrumentation development
Evaluation of wax replacement coatings
Optimization of corrugated structures and corrugating processes
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
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 |
MISCELLANEOUS |
| |
Fracture mechanics in paper |
PAPER PROPERTIES |
| |
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 |
PAPERMAKING |
| |
Coating pilot plant trials, evaluation of coating
structures: uniformity, z -profiles
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 |
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
Ultrasonic sensors and instrumentation development for on-line measurement of
the mechanical properties of paper
Property measurement for process control
Ultrasonics |
PRINTABILITY |
| |
Image analysis techniques for print quality, mottle,
dot quality
Paper surface characterization for printing, density/roughness/gloss relationships |
TESTING |
| |
Fracture mechanics in paper
Laboratory and on-machine measuring instrumentation |
|
Michael
Schaepe Senior Research Engineer
B.S., University of Wisconsin - Green Bay, 1978
Phone (404) 894-6640
michael.schaepe@ipst.gatech.edu |
CONVERTING |
| |
Adhesive Green Bond Performance
Combined Board
Corrugating
Experimental Materials |
CORRUGATING |
| |
Combined Board Manufacturing and Converting
Corrugating
Corrugating Adhesives
Experimental Design
Experimental Materials
Medium and Linerboard Runnability
Pilot Plant Operations |
FORMING |
| |
Papermaking and the Effects of Paper Properties
on Converting |
PAPER PROPERTIES |
| |
Combined Board Testing and Performance
Creep Testing and Performance
Paper Testing and Evaluation |
PAPERMAKING |
| |
Containerboard Productions and Performance
Experimental Design
Experimental Materials
Pilot Plant Operations |
|
Scott Sinquefield
Senior Research Engineer Phone (404) 385-0241
scott.sinquefield@ipst.gatech.edu |
RECOVERY BOILER |
| |
Gasification of Black Liquor
Recovery boiler fume and carryover |
|
Quinhui Sun
Research Scientist I Phone (404) 894-7824
quinhui.sun@ipst.gatech.edu |
|
|
Rallming
Yang
Research Scientist I
Ph.D., State University of
New York at Syracuse
Phone (404) 894-5306
rallming.yang@ipst.gatech.edu |
TESTING |
| |
Chemical characterization of machine deposits,
evaporator scale and product contaminants
Chemical characterization of wood, pulp and paper
Chromataographic, spectroscopic, and wet chemical techniques including FTIR,
HPLC, GC, GC/MS, ICP, icon chromatography, capillary ion electrophoresis, elemental
analysis, calorimetry, potentiometry, titrimetry, and gravimetry
Competitive analysis
Contaminant/particle and defect identification
Defect analysis
Laboratory quality systems
Methods development
White, green and black liquor testing |
WOOD CHEMISTRY |
| |
Chemical fundamentals of lignin and carbohydrate
degradation reactions during Pulping and bleaching
Pulping with catalysts
Wood chemistry |