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Optimization of ozone injection in a water treatment system
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH).
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Ozone is a compound mostly known for its role in the upper layer of the atmosphere (stratosphere) where it absorbs UV radiation, protecting the earth from harmful ionizing effects of UVB. However, ozone is used in a variety of different applications due to its oxidation potentials. The biggest application area is the treatment and purification of water. Everything from drinking water and industrial water to swimming pools and cooling-tower systems can benefit from the use of ozone technology. Ozone is about 10 times more solubility in water than oxygen, therefore ozone can, with the right technology, readily be dissolved in water. According to the Association for the Advancement of Medical Instrumentation, ozone gives the best available treatment of microorganisms in water treatment systems. The aim of the project is to optimize a water treatment system developed by Ozonetech AB (Stockholm, Sweden) by altering a set of parameters. The goal with the optimization is to maximize the amount of ozone that dissolves in the water. In order to optimize the system, a series of experiments is performed using a factorial design strategy where the influence of different parameters on the amount of ozone on the water is explored. Analyzing the experimental data using the statistical data analysis software MODDE the optimal conditions are determined.

 

Place, publisher, year, edition, pages
2018.
National Category
Natural Sciences Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-235947OAI: oai:DiVA.org:kth-235947DiVA, id: diva2:1254696
Available from: 2018-10-10 Created: 2018-10-10 Last updated: 2018-10-10Bibliographically approved

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