Szukana fraza: [Abstract = The study attempted to determine the influence of the HRT and OLR on biogas production and the treatment of wastewater from the meat industry, and it was found that the most preferred treatment process carried out was at HRT 3d \(OLR\-0.55 kgCOD\/m3d\). The anaerobic process under HRT 3d obtained a considerable degree of the removal of organic pollutants from raw wastewater designated as COD \(79%\), BOD \(77%\) and TOC \(73%\).]