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Filtering by: Creator Demessie, E. Sahle Remove constraint Creator: Demessie, E. Sahle Advisor Levien, Keith L. Remove constraint Advisor: Levien, Keith L.

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Dynamic modeling of thermal treatment of timber poles

Creator:

Sahle-Demessie, Endalkachew

Abstract:

The temperature-time-location relationships during steam conditioning and pressure treatment of timber poles have been studied and mathematical models that take into account both the thermal properties of the poles and the parameters of the treatment process have been developed. Although much work has been previously done in this area, the...

Resource Type:

Masters Thesis

Full Text:

ABSTRACT OF THE THESIS OF Endalkachew Sahle-Demessie for the degree of Master of Science in Chemical
The extraction of pentachlorophenol from pressure treated wood using supercritical carbon dioxide

Creator:

Yi, Jung-Seok

Abstract:

The extraction of pentachlorophenol (PCP) from pressure treated wood wafers with supercritical carbon dioxide has been studied. Experimental data were obtained for the effects of pressure (17.5 - 25.0 MPa), temperature (313 - 353 K), flow rate (1 - 3 ml/min at supercritical conditions), and sample size (0.8 x 10...

Resource Type:

Masters Thesis

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throughout my studies. Special thanks are due to Endalkachew Sahle-Demessie and other colleagues of my
Deposition of chemicals in semi-porous solids using supercritical fluid carriers

Creator:

Sahle-Demessie, Endalkachew

Resource Type:

Dissertation

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supercritical fluid carriers AN ABSTRACT OF THE THESIS OF Endalkachew Sahle-Demessie for the degree of Doctor
Solubility of biocides in pure and modified supercritical carbon dioxide

Creator:

Junsophonsri, Sarawadee

Resource Type:

Masters Thesis

Full Text:

great thanks also to Endalkachew Sahle-Demessie and the group of the supercritical fluid lab for the
Phase behavior of multicomponent mixtures of complex molecules in supercritical fluids

Creator:

Hassan, Ali (Ali Humaid)

Resource Type:

Dissertation

Full Text:

Professor, representing Chemical Engineering Chair of Department of Chemical Engineering Dean of Grad e
Diffusion coefficients of biocides in supercritical carbon dioxide

Creator:

Kittidacha, Witoon

Resource Type:

Masters Thesis

Full Text:

Appendix D : Critical Properties Estimation ..................................... 57 Appendix E

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Academic Affiliation

Chemical Engineering6

Advisor

Levien, Keith L.[remove]6

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1990 to 2000

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Committee Member

Milota, Michael1
Morrell, Jeffrey1

Creator

Sahle Demessie, Endalkachew2
Hassan, Ali (Ali Humaid)1
Junsophonsri, Sarawadee1
Kittidacha, Witoon1
Yi, Jung Seok1

Date

Date range begin – Date range end

Current results range from 1989 to 1999

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Decade

1990-19995
1980-19891

Degree Field

Chemical Engineering6

Degree Level

Master's4
Doctoral2

Degree Name

Master of Science (M.S.)4
Doctor of Philosophy (Ph.D.)2

Language

English [eng]6

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No6

Resource Type

Masters Thesis4
Dissertation2

Rights Statement

Copyright Not Evaluated6

Subject

Supercritical fluids3
Carbon dioxide1
Douglas fir1
Pentachlorophenol1
Phase diagrams, Ternary1
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