Papel dados de obten o e um pouco da historia do papel
– Introdução ____________________________________________________________________2
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2.
– Matérias-primas Fibrosas _______________________________________________________3
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3.
– Madeira ______________________________________________________________________5
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6 7 _______________________________________________6
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4.
– Separação da Celulose _________________________________________________________11
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5.
– Processo Kraft ou Sulfato_______________________________________________________13
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