Photochemical oxidation model of organic pollutants in greywater from a small household
Authors:
- Andrzej Bielski
Abstract
The treatment of coagulated greywater from a small household was investigated. The processes of oxidation of organic compounds with hydrogen peroxide combined with ultraviolet radiation (H2O2 /UV) was described. Greywater with various initial COD and TOC concentrations was used in the H2O2/UV process. The process parameters were hydrogen peroxide doses 0.5–4.0 kg H2O2/m3, UV (254 nm) light intensity 75.5 W/m2 and irradiation time – 1 h. The oxidation efficiency varied broadly from 15 to 98% and higher COD values corresponded to lower oxidation efficiencies. The average hydrogen peroxide consumption per kg of COD w was = 12.2 g H2O2/g O2 COD, while per TOC it was w′ = 69.0 g H2O2/g C. The experiments enabled one to developed mathematical models for coagulation and oxidation kinetics. The models showed that at the initial COD = 859 g O2/m3, the coagulant dose of 100 g Al3+/m3, the hydrogen peroxide dose of 4 kg H2O2/m3 and the UV irradiation time of 3 h it is possible to decrease the COD by 98.4%.
- Record ID
- CUT194567b502bf4e5b932c5d8551917ae9
- Publication categories
- ;
- Author
- Journal series
- Environment Protection Engineering, ISSN 0324-8828
- Issue year
- 2020
- Vol
- 46
- No
- 1
- Pages
- 91-115
- Other elements of collation
- rys.; tab.; wykr.; Bibliografia (na s.) - 114-115; Bibliografia (liczba pozycji) - 24; Oznaczenie streszczenia - Streszcz. ang.; Numeracja w czasopiśmie - Vol. 46, No. 1
- Keywords in English
- greywater, photochemical oxidation, hydrogen peroxide, UV irradiation, kinetic oxidation model, COD, TOC
- DOI
- DOI:10.37190/epe200107 Opening in a new tab
- URL
- http://epe.pwr.wroc.pl/2020/1_2020.html Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 70
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUT194567b502bf4e5b932c5d8551917ae9/
- URN
urn:pkr-prod:CUT194567b502bf4e5b932c5d8551917ae9
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.