kJtLA

UNBLEACHED KRAFT PULP PROPERTIES OF SOME OF THE

BRAZILIAN AND U S PINES

by

Celso Edmundo Bochetti Foelkel

r

A thesis

submitted in partial fulfillment

of the requirements for the

Master of Science degreeState University of New York

College of Environmental Science

and ForestrySyracuse New York

August 1973

ApprovedDepartment of Paper Science

and Engineering

ApprovedCommittee on Graduate Studies

rJ 1u fMii r Professor

uChairman Examining Committee

ilL id t

Director of Graduate Studies

H 1

To my wife Lorena

To my daughter Alessandra

To my parents Edmundo and Eugenia

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FOREWORD

The experimental work was carried out between

August 1972 and May 1973 at the Department of Paper

Science and Engineering of the State University of

New York College of Environmental Science and Forestry

in Syracuse New York United States of America U S A

Data are also included which were obtained in Brazil

between January and November 1971 at the Escola Superior

de Agricultura Luiz de Queiroz Universidade de Sao

Paulo in whose pulp and paper laboratories the four

Brazilian pulpwoods were studied pulped and tested

The present work was made possible through the grant of

an Agency for International Development scholarship to

the author covering the period from January 1972 to

september 1973

iv

ACKNOWLEDGMENTS

The author wishes to express his most sincere

appreciation and gratitude to Professor S N Gorbatsevich

for his valuable guidance and interest during the duration

of this study in the S U N Y College of Environmental

Science and Forestry Syracuse New York U S A

The author is also thankful t0 Dr Roger Strauss

for his constructive criticism during the organization of

this work and for his kind and ready help provided on many

occasions during the period of the author s graduate work

Particular thanks are due to Dr Helladio do

Amaral Mello and Dr Luiz Ernesto George Barrichelo for

their suggestions and constant encouragement during the

part of this study which was carried out at the Escola

Superior de Agricultura Luiz de Queiroz Universidade

de Sao Paulo Piracicaba Sao Paulo Brazil

The author also acknowledges his gratitude to

Dr Decio Barbin and Dr Roland Vencovsky for the help

IiIi

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provided by them in the elaboration of the statistical

analysis programs

Sincere appreciation must be given to the Agency

III

for International Development of the U S Government

Fundacao de Amparo a Pesquisa do Estado de Sao Paulo

Brazil and Banco Itau America S A Brazil for their

financial support of the author s graduate work

These acknowledgments would not be complete without

mention of the following persons who were directly or

indirectly associated with the development of this work

Mr Antonio Luiz Gorga Mr Valentim I Suchek Mr John

Goff and Dr James P Bambacht

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