1 Differentiation in market pulp products: Is market pulp a commodity product? Celso Foelkel
2 When you look at your raw materials, products and customers
3 ? What do you see??
4 What do you see????
5 What do you see?
6 What do you see? $ $ $ $ $ $ $ $
7 Is there a single and most correct way to see our mills, products and customers?
8 Each paper-machine, each pulp mill, any pulp & paper process, any fibrous raw material although similar are specific and unique. They all have own key-factors to be controlled and optimized
9 Thus: Why are some fibers different from others? Why are some fibers preferred by customers? Why some pulps, even when offered by lower prices, are not attractive to the papermakers?
10 Thus: What makes a market pulp more suitable or attractive than the competitor one? How to work our processes to give uniqueness to our product? Do I need to be unique on quality? Do I have more or less power when competing by volume and price?
11 What makes a pulp special? Best fitness to the papermaker End product specifications? Paper-machine runnability? Easy-life to the papermaker? Overall cost reductions? This means that we are not focusing only the pulp price, but the paper operational production cost.
12 What key factors shall be considered to give a distinct advantage to our customers? Are our fibers far distinct than the others? Are they oriented to specific products? Do they perform better at customer machines? Do they provide a special combination in terms of? end-product quality? paper-machine efficiency? Ideal cost/benefit ratio?
13 Today: very competitive arena; lots of newcomers in the market; differences in paper-machines, and in paper manufacturing technologies; differences in fibrous raw materials; substantial differences in market pulp operational production costs.
14 In some countries and in some mills: Cash costs are so low that may eventually allow some flexibility for quality improvements or differentiation in the final product... Why?
15 Example 1: Improvements on pulp softness via tensile reduction due to more severe cooking conditions to extract more hemicelluloses This may lead to 2 situations: 1. Losses in daily production due to bottlenecks in pulpwood feeding to digesters, or in the recovery boiler area (UNACCEPTABLE, surely) 2. Higher consumption of wood, and increasing operational costs in the pulp mill ( for each 1% of pulp yield reduction, it means 2% on more wood, in tonnage )
16 Example 1: Improvements on pulp softness via tensile reduction due to more severe cooking conditions to extract more hemicelluloses Decision surely depends on: Are there other valuable losses (transition pulp, operational disadvantages, etc)? Is there available wood? What is final cost increase? Is there a premium price? Is it sustainable?
17 Example 2: Modifications in the fibrous raw material supply different wood species ( sorting and blending); single pulpwood quality material ( high density or low density; or just one species of Eucalyptus, example E.globulus)
18 Example 2: Modifications in the fibrous raw material supply Decision surely depends on: At what new production costs? Does it pay? Is there a premium price? Is it sustainable?
19 The world today: over 100 different brands of market pulps close to this numbers are the pulp quality categories WHY? different raw materials; pulpwood blends; different pulp-making processes.
20 The real world: Lots of variability everywhere How to tame variability? How to cope with variability? How to live together with variability? How to use it in our favor?
22 Some causes for pulp quality variability: ph fiber charges fiber population individual fiber strength water retention value fiber flexibility cell wall thickness
23 Because of these wide variations in different pulp qualities: The papermaker develops a recipe or a secret potion and he is resistant to change ( very understandable) He has as objectives: costs savings fewer breaks less broke better runnability end product requirements
24 The truth is that : The fiber cost is by far the most important cost for most of paper grades
25 The papermaker is always squeezed by: Commercial demands Cost reduction demands He hates variability, but he is always obliged to look for better process conditions, and less expensive manufacturing (new fillers, new refiner discs, new retention aids, new brightners agents, new quality demands from the customers, etc)
30 The papermaker is always squeezed : Please, give me a stable quality pulp or one I may predict behavior
31 What papermakers most dislike: breaks, breaks, breaks energy consumption chemical consumption drainage machine speed broke second class quality (below standards) All representing HIGHER COSTS & PRESSURES
32 Papermakers want to have: a predictable pulp a saving cost pulp ( I m not making reference only to the market pulp price) a pulp recipe that allow them to reach the paper specifications 100% of the time
33 In case we provide these gifts to them, do they consider to pay a premium for? better machine performance higher productivity lower energy, chemicals, etc better quality fewer broke generation no complaints better sleep at night no problems with the wife (or spouse) due to machine running problems at night
34 Are we able to find such enjoyable pulps in the market? Are all market pulps stable in quality? Are they really a commodity in quality?
35 In pulp making, when things are going wrong: The cause is... The WOOD In paper making, when things are going wrong: The cause is... The PULP
36 and, when we have a blend of pulps? The convict is exactly the one added to provide the quality is not being reached. or the weaker pulp, if the problem is wet web strength; or the short fibered pulp if the problem is wet end drainage.
37 Most important quality properties to papermakers Fiber properties: fiber population coarseness curl index wet zero-span breaking length hemicellulose content fiber charges fiber flexibility fiber rigidity fine content, etc. Papermachine drainage speed refining ability WRV swelling ability formation wet web strength ph dry handsheet properties: bulk; porosity; opacity; stiffness; tensile; etc.
38 Are there ways to build differentiation? Fiber fractioning Fiber raw materials selection Modifications in our production processes Unique pulp at the market
39 Differentiation is not that simple, and it has to be sustainable to the papermaker Avoid big changes Offer possibilities to better machine performance Offer cost savings, not only in the pulp price, but in runnability and reductions on broke & second class paper generations, etc Unique pulp at the market
40 Differentiation is not that simple and it has to be built at the pulp mill Avoid big changes in the mill processes Understand the causes for variiability Tame the raw materials and the production process Be simple and effective Unique pulp made to the market
41 Most important quality properties to pulpmakers Wood quality: wood density wood cost wood availability lignin content extractives content wood deterioration wood cleanliness, etc. Process parameters: wood specific consumption pulp yield alkali charge total solids to recovery boiler pulp viscosity bleaching ability pitch content pulp cleanliness one week pulp beating evaluation
42 Today s attractions in the hardwood pulp business Acacia mangium Eucalyptus globulus Eucalyptus urograndis
43 Morphological Differences : are they important? Species Coarseness Fiber Population Fiber Length Pentosan Content Fines DPCJ WRV Cell Wall Thickness Unity mg/100m M illion m m % % % m icra E. urograndis ,70 0, ,5-4,2 E. globulus 8-9, ,7 0, ,0-5,0 E. nitens 5,5-6, ,65 0, ,0 9, ,0-3,5 Acacia mangium 6, ,6 0, ,4-3,6 A. mearnsii 8, ,65 0, ,5-5,5
44 Suggestions for Low Corseness Fibers ( Light Fibers) Base paper for coating Label papers Release papers Glassine papers Thermal papers Highly bonded papers Some P&W However, this is very much dependent on the customers limitations ( Machine speed, porosity and bulk specs, etc.)
46 Suggestions for High Corseness Fibers (Heavy Fibers) Decor papers Filter papers Tissue papers Cigarette papers
48 Collapsible and collapse resistant fibers
50 Chemical Pulp Fibers
52 Its is more than obvious the importance of the Wood Density on Fiber Quality Wood Density g/cm³ Fiber Coarseness mg/100m Fiber Population Nº/g 0,43 5,8 25,4 0,46 6,4 21,6 0,51 7,4 19,7 0,54 9,3 17,5 0,60 11,8 13,0
54 Pulp Blends
55 Pulp Blends
56 Pulp Blends
57 PAPERMAKING PERFORMANCE OF Eucalyptus Refining Bulk High Moderate Low High Moderate Low Strengths High Moderate Low Opacity High Moderate Low grandis globulus urophylla camaldulensis
58 Fiber life is not simple S 0 S 4 S 1 S 3 S 2 Curl Kinks es
61 Fiber new attributes Micro-compressions Kinks Curl How to add these attributes to a pulp?
62 Development of Curl Curl (%) SW HW Mechanical efforts applied to fibers
63 Does this really may happen in a foreseen future? Input: Fiber - length - width - population Coarseness Fiber Strength Fiber Deformations Predicted Beatability Pulp Strength Paper characteristics + brigthness, cleanliness etc.
64 Fiber/g x ,0 34,0 32,0 30,0 28,0 26,0 24,0 300,0 350,0 400,0 450,0 500,0 550,0 600,0 Basic Density, kg/m 3 Fiber population correlates significantly and negatively with wood density
65 Coarsenes, mg/100m Fiber 7,0 6,0 5,0 4,0 300,0 350,0 400,0 450,0 500,0 550,0 600,0 Basic Density, kg/m 3 Fiber coarseness correlates significantly and positively with wood density
66 Active Alkali, % 19,0 18,0 17,0 16,0 15,0 14,0. Active Alkali demand correlates positively 13,0 300,0 350,0 400,0 450,0 500,0 550,0 600,0 Basic Density, kg/m 3 with wood density
67 Specific Wood Consumption, m³ /t 6,0 5,0 4,0 3,0 300,0 350,0 400,0 450,0 500,0 550,0 600,0 Basic Density, kg/m 3 Specific wood consumption correlates negatively with wood density
68 Fiber wall thickness Wall thickness AGE - years
69 Forest Age and Wood Specific Consumption Wood Consumption (m³/t) 5,00 4,60 4,20 3,80 3,40 3, Age (years)
70 Tensile Index vs. Wood Basic Density Tensile Index IS Basic Density (g/cm³)
71 Today s world. lots of opportunities to creative work. pulp suppliers are in most cases old fashioned commodity manufacturers focus on tonnage's focus on production costs focus on distribution focus in single product
72 Today s world Market pulp suppliers would like to be able to sell their products to any paper segment, the same product with universal utilization Which one of the paper segments is your pulp more suitable for? Does anybody have any idea?
73 Today s world What can we do to bring a unique reference to our pulp products in the competitive market? Coarseness & Fiber population Curl Pulpwood recipes Brightness & cleanliness Individual fiber strength Paper-machine drainage & speed Strengths and associated paper properties
74 Well, this is all friends. Thank you very much. Good luck with the goal to bring differentiation to your fibers.
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