Research
| Title： | REVIEW PAPER ON BEVERAGE AGRO- INDUSTRIAL WASTEWATER TREATMENT PLANT BIO-SLUDGE FOR FERTILIZER POTENTIAL IN ETHIOPA |
|---|---|
| First author： | Engida, T.; Mekonnen, A.; Wu, J. M.; Xu, D.; Wu, Z. B. |
| Journal： | APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH |
| Years： | 2020 |
| DOI： | 10.15666/aeer/1801_033057 |
| Abstract： | Agro-industrial sectors in Ethiopia are highly expanding sector and offers substantial challenges for the environment and public health. The brewery industries use large quantities of water for their production processes and at the end, they discharged large amount of effluents that contains a high strength organic waste. The main objective of this review paper is to discuss and summarize the characteristics, treatment techniques, fertilizer potential and other available management options of breweries sludge generated from wastewater treatment plants. Recent (2015) research finding indicated that the brewery sludge contains a very high nitrogen and potassium content, i.e., 420.25 kg ha(-1) and 840 kg ha' respectively compared to the control. Scientific evidences indicated that brewery sludge amended soil they have the tendency to produce more yields (4081.6 kg ha(-1)). Brewery sludge has also other beneficial advantages in production of biogas and building materials with co-digestion with other organic solid residues. The probable drawbacks of the use of sludge on agricultural land application is its pollutant loads including heavy metals, organic compounds and pathogens. Therefore, more research investigation has to be done on the possible sludge treatment mechanisms and the feasibility of sludge generated from brewery industries for agricultural recycling. |
