{"id":{"repo_id":"unlv","oai_identifier":"oai:oasis.library.unlv.edu:rtds-1381"},"canonical_url":"https://search.dev.ndltd.org/etd/unlv/oai:oasis.library.unlv.edu:rtds-1381","repository":{"repo_id":"unlv","name":"University of Nevada - Las Vegas","base_url":"https://oasis.library.unlv.edu/do/oai/"},"display":{"title":"Odor control in sewers using calcium nitrate","abstract":"Wastewater often creates nuisance odors. Effectiveness of Calcium Nitrate (trade name Bioxide) to control odors was investigated in the collection system of Clark County Sanitation District over a three month period in the summer of 1993. Bioxide feed stations were set up on the nine sewer lines which exhibited highest sulfide concentrations, several miles from the treatment plant. Total sulfide, free sulfide, residual nitrate concentrations, pH and temperature were measured at manholes on each sewer line before reaching the treatment plant and also at the headworks in the treatment plant at various times of the day. Sulfide concentrations were generally reduced to less than 0.1 ppm in all Bioxide-treated sewer lines and also at the headworks. Odor complaint frequency went down with Bioxide treatment. Bioxide is non-hazardous and easier to handle when compared to other chemical oxidizers used to control H{dollar}\\sb2{dollar}S.","abstract_html":"Wastewater often creates nuisance odors. Effectiveness of Calcium Nitrate (trade name Bioxide) to control odors was investigated in the collection system of Clark County Sanitation District over a three month period in the summer of 1993. Bioxide feed stations were set up on the nine sewer lines which exhibited highest sulfide concentrations, several miles from the treatment plant. Total sulfide, free sulfide, residual nitrate concentrations, pH and temperature were measured at manholes on each sewer line before reaching the treatment plant and also at the headworks in the treatment plant at various times of the day. Sulfide concentrations were generally reduced to less than 0.1 ppm in all Bioxide-treated sewer lines and also at the headworks. Odor complaint frequency went down with Bioxide treatment. Bioxide is non-hazardous and easier to handle when compared to other chemical oxidizers used to control H{dollar}\\sb2{dollar}S.","abstract_has_math":false,"creators":["Kalakuntla, Venumadhava Rao"],"institution":"University of Nevada, Las Vegas","degree_name":"Master of Science (MS)","degree_level":"Thesis","degree_discipline":"Civil and Environmental Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1994,"date_issued":"1994-01-01T08:00:00Z","date_published":"1994-01-01T08:00:00Z","updated_at":"2026-07-24T05:24:31Z","subjects":[],"languages":["English"],"rights":["IN COPYRIGHT. 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Total sulfide, free sulfide, residual nitrate concentrations, pH and temperature were measured at manholes on each sewer line before reaching the treatment plant and also at the headworks in the treatment plant at various times of the day. Sulfide concentrations were generally reduced to less than 0.1 ppm in all Bioxide-treated sewer lines and also at the headworks. Odor complaint frequency went down with Bioxide treatment. Bioxide is non-hazardous and easier to handle when compared to other chemical oxidizers used to control H{dollar}\\sb2{dollar}S."]},{"key":"dc:format","label":"Dc Format","values":["pdf"]},{"key":"dc:title","label":"Title","values":["Odor control in sewers using calcium nitrate"]}]}],"canonical_facts":{"dc:creator":["Kalakuntla, Venumadhava Rao"],"dc:description.abstract":["Wastewater often creates nuisance odors. Effectiveness of Calcium Nitrate (trade name Bioxide) to control odors was investigated in the collection system of Clark County Sanitation District over a three month period in the summer of 1993. Bioxide feed stations were set up on the nine sewer lines which exhibited highest sulfide concentrations, several miles from the treatment plant. Total sulfide, free sulfide, residual nitrate concentrations, pH and temperature were measured at manholes on each sewer line before reaching the treatment plant and also at the headworks in the treatment plant at various times of the day. Sulfide concentrations were generally reduced to less than 0.1 ppm in all Bioxide-treated sewer lines and also at the headworks. Odor complaint frequency went down with Bioxide treatment. 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