In:
REVISTA ENGENHARIA NA AGRICULTURA - REVENG, Revista Engenharia na Agricultura, Vol. 23, No. 3 ( 2015-07-02), p. 228-240
Abstract:
Among the numerous processes reported for sterilization of contaminated effluents, the advanced oxidative process (AOP) stands out for being effective in polishing degrading dissolved organic compounds. When comparing the various AOP(s), the UV photic process is advantageous since does not use catalysts and oxidizing reagents but only UV degradation, thus resulting in an effluent suitable for reuse and avoiding financial expenses related to chemical consumption. The present study sought after evaluating the efficiency of UV light, generated by special lamps in photo-reactors, degrading dissolved compounds and sterilizing microorganisms present in the effluent of anaerobic reactors treating hog farm effluents, aimed at improving the quality of the treated wastewater. In this work, two photoreactors were constructed using PVC pipe measuring 100 mm in diameter and 1060 mm in length. The pipe ends were sealed with PVC caps and the photo-reactor lamps designed to act on the liquid surface, without immerse in the liquid. Photo-reactors coated with aluminum foil increased the efficiency of UV radiation. The lamp used in each of the reactors was the germicidal fluorescent type, with wavelength of 240 nm and power of 30 Watts. In all trials, the photic process observed using only UV radiation was not efficient for mineralization of soluble organic compounds, however with this process it was possible to modify the biodegradability of wastewater from pig farming.
Type of Medium:
Online Resource
ISSN:
2175-6813
,
1414-3984
DOI:
10.13083/reveng.v23i3
DOI:
10.13083/reveng.v23i3.548
Language:
Unknown
Publisher:
Revista Engenharia na Agricultura
Publication Date:
2015
detail.hit.zdb_id:
2558705-5
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