Odor control in sewers using calcium nitrate

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.

Name thesis:degree_name

Master of Science (MS)

Level thesis:degree_level

Thesis

Discipline thesis:degree_discipline

Civil and Environmental Engineering

Grantor dc:publisher

University of Nevada, Las Vegas

Year

1994

Author dc:creator

• Kalakuntla, Venumadhava Rao

Statement dc:rights

• IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/

Language dc:language

English

Identifier

https://oasis.library.unlv.edu/rtds/382

OAI identifier oai:identifier

oai:oasis.library.unlv.edu:rtds-1381