The treatment of Slaughterhouses wastewater by An Up Flow - Anaerobic Sludge Blanket (UASB) reactor.

Year 2018, , 1378 - 1384, 01.10.2018

Abdullah Saghir Salwa Hajjar

https://doi.org/10.16984/saufenbilder.328852

Cited By: 4

Abstract

Slaughterhouse wastewater is heavily polluted. It
contains a high concentration of oil and grease, phosphorus, nitrogen, organic
matter and suspended solids.

The
objective of the research is study the ability of slaughterhouses wastewater
treatment by a UASB reactor and define the best hydraulic retention time (HRT).

This research focuses on the treatment of slaughterhouse
wastewater in Up Flow Anaerobic Sludge Blanket (UASB) reactor In these
reactors, the polluted wastewater rises slowly which allows it to form a suspended
sludge blanket. Granules of sludge gather on the surface and anaerobic bacteria
is activated which feeds on the organic matter which exists in the liquid.

The research includes a study of the effect of hydraulic
retention time (HRT) on the efficiency of treatment in UASB reactors at a constant
temperature of about 30±1°C^.
The experiments have illustrated that it is possible to achieve excellent
removal efficiency for high concentrations of COD when the temperature of the wastewater
is fixed at 30±1 °C. The
removal efficiency fit with hydraulic retention times (HRTs) in UASB reactor, for
the following values of HRTs:(6,12,18,24,30,36) hours, the removal efficiencies of COD were:(35.78%,48.93%,56.15%,71.3% ,76.33%,83.37%) respectively.

Keywords

anaerobic biological treatment, UASB reactor

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