Document Type : ORIGINAL RESEARCH ARTICLE

Author

The Aspergillus Niger bio augmentation influence on COD and protein disposal in domestic effluent under wastewater requirements have been considered. The sewage simulation bioreactor has been operating at a hydraulic retention time of 17-hour, 20°C, and PH 7.8 beneath aerobic circumstances. While A. Niger has been bio augmented, forty-five percent to seventy-two percent of COD has been released in comparison with twenty-eight percent to forty-eight percent disposal of COD in the controlling in the identical time. Whole protein disposal of sixty-six percent co while A. Niger has been bio-augmented in comparison by 29.7 percent in the controlling. Concerning enzymatic actions, we have attended which since the bio augmented strategy biomass attention has been more than the controlling the enzymatic actions have been high. This investigation is a primary study on swage transfer underneath transient situations by A. Niger and displayed the capability of A. Niger for removing both COD and protein underneath real situations. A. Niger bio augmentation underneath sewage situations can be an alternative for wastewater therapy by a valorization of fungal waste biomass.

10.52293/WES.3.1.1620

Abstract

The Aspergillus Niger bio augmentation influence on COD and protein disposal in domestic effluent under wastewater requirements have been considered. The sewage simulation bioreactor has been operating at a hydraulic retention time of 17-hour, 20°C, and PH 7.8 beneath aerobic circumstances. While A. Niger has been bio augmented, forty-five percent to seventy-two percent of COD has been released in comparison with twenty-eight percent to forty-eight percent disposal of COD in the controlling in the identical time. Whole protein disposal of sixty-six percent co while A. Niger has been bio-augmented in comparison by 29.7 percent in the controlling. Concerning enzymatic actions, we have attended which since the bio augmented strategy biomass attention has been more than the controlling the enzymatic actions have been high. This investigation is a primary study on swage transfer underneath transient situations by A. Niger and displayed the capability of A. Niger for removing both COD and protein underneath real situations. A. Niger bio augmentation underneath sewage situations can be an alternative for wastewater therapy by a valorization of fungal waste biomass.

Keywords

Boczar B. A., Begley W. M. and Larson R. J. (1992) Characterisation of enzyme activity in activated sludge using rapid analyses for specific hydrolases. Wat. Environ. Res. Vol. 64, No. 6, 792-796.
Cicek N., Franco J. P., Suidan M. T., Urbain V. and Manem J. (1998) Characterization and comparison of a membrane bioreactor and a conventional activated sludge system in the treatment of wastewater containing high molecular weight compounds. Wat. Environ. Res. Vol. 71, No. 1, 64-70.
Coulibaly L. and Agathos S. N. (2003) Transformation kinetics of mixed polymeric substrates under transitory conditions by Aspergillus niger. African J. Biotechnol. Vol. 2, No.11, 438-443.
Coulibaly L., Gourène G. and Agathos N S. (2003) Utilization of fungi for biotreatment of raw wastewaters a Review. African J. Biotechnol. Vol. 2, No. 12, 620-630.
Coulibaly L., Naveau H. and Agathos S. N. (2002) A tanks-in-series bioreactor to simulate macromolecule-laden wastewater pretreatment under sewer conditions by Aspergillus niger. Wat. Res. Vol. 36, No. 16, 3941–3948.
Garcia I. G., Bonilla V. J. L., Jiminez P. P. R. and Kirchman L. (1997) Biodegradation of phenol compounds in vinasse using Aspergillus terreus and Geotrichum candidum. Wat. Res. Vol. 31, No. 8, 2005-2011.
Green M., Shelef G. and Messing A. (1985) Using the sewerage system main conduits for biological treatment. Greater Tel-Aviv as a conceptual model. Wat. Res. Vol. 19, No. 8, 1023-1028.
Hankin L. and Sands D. C. (1974) Bacterial production of enzymes in activated sludge systems. Wat. Pollut. Control Fed. Vol. 46, No. 8, 2015-2025 .
Hvitved-Jacobsen T., Vollersten J. and Nielsen P. H. (1998) A process and model concept for microbial transformations in gravity sewers. Wat. Sci. Technol. Vol. 37, No. 1, 233-241.
Koch C. M. and Zandi I. (1973) Use of pipelines as a aerobic biological reactors. Wat Pollut. Control Fed. Vol. 45, No. 12, 537-548.
Lemmer H., Roth D. and Schade M. (1994) Population density and enzyme activities of heterotrophic bacteria in sewer biofilms and activated sludge. Wat. Res. Vol. 28, No. 6, 1341-1346.
Levenspiel O., 1972. Chemical reaction engineering. Second edition, John Wiley and Sons, New York, pp. 253-325.
Lotter L. H. and Van der Merwe E. H. M. (1987) The activities of some fermentation enzymes in activated sludge and their relationship to enhance phosphorus removal. Wat. Res. Vol. 21, No. 11, 1307-1310.
McKellar R. C. (1986) Determination of the extracellular and cell-associated hydrolase profiles of Pseudomonas fluorescens Sp. Using the analytab API ZYM system. J. Dairy Sci. Vol. 69, No. 3, 658-664.
Morgan J. A. W. and Pickup R. W. (1993) Activity of microbial peptidases, oxidases and esterases in lake waters of varying trophic status. Can. J. Microbiol. Vol. 39, No. 8, 795-803.
Nybroe O., Jorgensen P. E. and Henze M. (1992) Enzyme activities in wastewater and activated sludge. Wat. Res. Vol. 26, No. 5, 579-584.
Ozer A. and Kasirga E. Vol. (1995) Substrate removal in longer sewer lines. Wat. Sci. Technol. Vol. 31, No. 7, 213-218.
Sridhar M. K. C. and Pillai S. C. (1973) Proteins in wastewater and wastewater sludges. J. Wat. Pollut. Control Fed. Vol. 45, No. 7, 1595-1600.
Verstraete W., Voets J. P. and Van Lancker P. (1976) Evaluation of some enzymatic methods to measure the bio-activity of aquatic environments. Hydrobiologia. Vol. 49, No. 3, 257-266.
Warith M. A., Kennedy K. and Reitsma R. (1998) Use of sanitary sewers as wastewater pre-treatment systems. Waste Management. Vol. 18, No. 4, 235-247.