Dyadic International, Inc. · NASDAQ:DYAI
Dyadic International — Technical Presentation (August 2005)
20 slides from Dyadic International's technical presentation, Aug 30, 2005
Slide 1: Enhancement of Wood Pulps by Cellulase Treatment
DYADIC ® Dyadic International (USA), Inc. “Enhancement of Wood Pulps by Cellulase Treatment” August 30, 2005
Slide 2: Enzymatic Biorefining Overview
Enzymatic Biorefining Overview 2
Slide 3: Mechanical Refining of Pulp
Mechanical Mechanical Refining Refining of of Pulp Pulp • Fibrillation • Hydration • Cutting • Brushing of Fiber • Fines Formation • Colloidal Debris Formation 3
Slide 4: Effects of Excessive Fines/Colloidal Material in Paper Making
Effects Effects of of Excessive Excessive Fines/Colloidal Fines/Colloidal Material Material in in Paper Paper Making Making • Reduce paper strength • Fines build-up in closed water loops • Reduce drainage rate • Increase steam load • Increase linting/dusting • Reduce PM speed/production 4
Slide 5: Biorefining Enzyme Actions
Biorefining Biorefining Enzyme Enzyme Actions Actions • Mild, non-aggressive enzyme activities from Chrysosporium lucknowense (C1) • Multi-Component Enzyme Complexes » Enhanced activity within complex, variable furnishes » Beneficial fiber modification • Good quality fiber with lower colloid levels
Slide 6: Proposed Biorefining Mechanisms
Proposed Biorefining Mechanisms 6
Slide 7: Biorefining of Eucalyptus Fibers
Biorefining Biorefining of of Eucalyptus Eucalyptus Fibers Fibers Mechanically Refined Control Biorefining + Refining 7
Slide 8: Biorefining of Softwood Fibers
Biorefining of Softwood Fibers Mechanically Refined Control Biorefining + Refining 8
Slide 9: Enzymatic Biorefining Mill Results
Enzymatic Biorefining Mill Results 9
Slide 10: Mill Example #1 – Packaging Paper
Mill Mill Example Example #1 #1 –– Packaging Packaging Paper Paper Mill Location: India Paper Produced: Extensible Sack Paper Furnish: Bamboo, waste paper Enzyme dose: 0.160kg enzyme/ton dry pulp Enzyme addition place: Pulpers Pulp processing temperature: 500C, 1220F Pulp pH: 7.0 10
Slide 11: Refining Energy Savings & Strength Properties - Mill #1
Refining Refining Energy Energy Savings Savings & & Strength Strength Properties Properties -- Mill Mill #1 #1 Energy Savings of $2.80 per ton 200 180 Yearly average Enzyme Trial 160 140 120 100 80 60 40 20 0 GS M B r e a k i ng B r e a k i ng St ret ch St ret ch TEA T EA B ur st P o r osi t y P or
Slide 12: Mill Example #2 – Graphic Coated Board
Mill Mill Example Example #2 #2 –– Graphic Graphic Coated Coated Board Board Mill Location: India Paper Produced: Coated Graphic Paper/Board Furnish: Virgin SWK & HWK Enzyme dose: 0.092kg enzyme/ton dry pulp Pulp production: 300 Ton/day Enzyme addition place: Batch Pulper Pulp processing temperature
Slide 13: Energy Reduction in Mill #2
Energy Energy Reduction Reduction in in Mill Mill #2 #2 220 HWK SWK 200 180 Energy, KWH/ton 160 140 120 100 20-Jul 20-Jul 21-Jul 21-Jul 22-Jul 22-Jul 23-Jul 23-Jul 24-Jul Time 13
Slide 14: Biorefining Benefits for Mill #2
Biorefining Biorefining Benefits Benefits for for Mill Mill #2 #2 • Saved 75 KWH per softwood ton • Saved 60 KWH per hardwood ton • Increased softwood line capacity • Saved 300 kgs of steam per paper ton • Final paper quality maintained • Reduced chemical usages • Cleaner water loop 14
Slide 15: Mill Example #3 – Liner & Medium
Mill Mill Example Example #3 #3 –– Liner Liner & & Medium Medium Mill Location: Mexico Paper Produced: Linerboard & Medium Furnish: OCC Enzyme dose: 0.125kg enzyme/ton dry pulp Pulp production: 150 Ton/day Enzyme addition place: Continuous Pulper Pulp processing temperature: 450C, 1150F Pulp pH: 7.0
Slide 16: Paper Strength Properties – Mill #3
Paper Paper Strength Strength Properties Properties –– Mill Mill #3 #3 Paper Basis Weight = 127 grams per square meter 60 51.8 51.3 50 PreTrial Biorefining Trial 42.0 43.1 41.3 40.8 40 Paper Property Value 32.5 32.1 30 20 14.8 14.0 10 0 Mullen Porosity CMT RCT CFC (lbs./pg2) (seconds) (lbsfz) (lbsfz
Slide 17: Mill #3 Trial Results - Summary
Mill Mill #3 #3 Trial Trial Results Results -- Summary Summary • Reduced refiner energy usage by 34 KWHr/ton • Reduced machine steam usage by ~ 10% » Eliminated drainage aid • Decreased Paper Breaks • Decreased level of colloidal material in the paper machine » Reduced stickies control and felt clea
Slide 18: Summary of C1 Enzyme Biorefining Advantages
Summary Summary ofof C1 C1 Enzyme Enzyme Biorefining Biorefining Advantages Advantages • Refining Energy Reduction » Reduce refiner energy usage 18% to 66% » Increase refiner throughput • PM Drainage Rate Improvement » Lower steam & retention / drainage aid usage » Increase PM speed and production »
Slide 19: Summary of C1 Enzyme Biorefining Advantages (cont'd)
Summary Summary ofof C1 C1 Enzyme Enzyme Biorefining Biorefining Advantages Advantages (cont’d) (cont’d) • Water Loop Cleanliness Improvement » Reduce stickies & felt/wire washing chemicals » Reduce wastewater treatment demand » Improve BOD/COD ratio • Potential Increased Strength Properties » Impro
Slide 20: Questions and Discussion
Questions and Discussion 20
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