Biochemical oxygen demand reduction of semi-chemical neutral sulfite waste by heat hydrolysis

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dc.contributor.authorButler, Robert Georgeen
dc.contributor.committeechairPardue, Louis A.en
dc.contributor.committeememberBrinker, Russell C.en
dc.contributor.committeememberNorris, Earle Bertramen
dc.contributor.committeememberRich, Linvil G.en
dc.contributor.departmentSanitary Engineeringen
dc.date.accessioned2014-03-14T21:36:02Zen
dc.date.adate2010-05-11en
dc.date.available2014-03-14T21:36:02Zen
dc.date.issued1952-05-05en
dc.date.rdate2010-05-11en
dc.date.sdate2010-05-11en
dc.description.abstractThe object or this experiment was to determine if and to what extent the B.O.D. of S.N.W. waste could be reduced by Heat Hydrolysis. This process gave B.O.D. reduction up to 80 percent when used on sulfite waste at Oregon State College and it was hoped that similar results could be obtained using S.N.W. liquor. The exper1mental part of the investigation was conducted to determine (1) it the B.O.D. content of S.N.W. liquor could be reduced by Heat Hydrolysis; (2) if pH, dilution and the addition of oxygen were factors that affected the reduction of B.O.D. These factors were determined by adjusting the raw liquor to the desired concentration and cooking the liquor in a closed container until certain conditions were obtained, namely, that of constant pressure with constant temperature. Ana1ysis of the raw and cooked liquor consisted of determining pH, total solids, and B.O.D., while analysis of the gas created during the cook was limited to the total amount of gas created and the amount of CO₂, CO, O₂ and H₂S in the gas. Four different series of cooks were conducted on each sample. They were, Neutral (raw liquor), Acid (raw liquor pH adjusted, Neutral-Oxygen added (raw liquor with oxygen added) and Ac1d-0xygen added (raw liquor pH adjusted with oxygen added). The samples used were 7OO ml., 465 ml., dilution 1:1 (232 ml. liquor plus 232 ml. distilled water) and dilution 2:1 (310 ml. distilled water plus 155 ml. liquor.en
dc.description.degreeMaster of Scienceen
dc.format.extent97 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-05112010-020055en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05112010-020055/en
dc.identifier.urihttp://hdl.handle.net/10919/42599en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1952.B874.pdfen
dc.relation.isformatofOCLC# 24483140en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1952.B874en
dc.subject.lcshBiochemical oxygen demand -- Researchen
dc.subject.lcshSulfite waste liquor -- Heat treatmenten
dc.titleBiochemical oxygen demand reduction of semi-chemical neutral sulfite waste by heat hydrolysisen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineSanitary Engineeringen
thesis.degree.grantorVirginia Polytechnic Instituteen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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