THE IMPACT OF LEAD AND CADMIUM ON THE VIABILITY OF ACTIVATED SLUDGE

Madoni P., Davoli D., Gorbi G., Vescovi L., Toxic effect of heavy metals on the activated sludge protozoan community, Water Research, 1996, vol. 30(1), pp. -141;

Lee S., Basu S., Tyler C.W., Wei I.W., Ciliate populations as bio-indicators at Deer Island Treatment Plant, Advances in Environmental Research, 2004, vol. 8 (3-4), pp. 371-378;

Salvado H., Gracia M.P. , Amigó J.M., Capability of ciliated protozoa as indicators of effluent quality in activated sludge plants, Water Research, 1995, vol.29 (4 ), pp. 1041-1050;

Salvadó H., Gracia M.P., Determination of organic loading rate of activated sludge plants based on protozoan analysis, Water Research, 1993, vol. 27 (5 ), pp. 891-895;

Madoni P., A sludge biotic index (SBI) for the evaluation of the biological performance of activated sludge plants based on the microfauna analysis, Water Research, 1994, vol. 28 (1), pp. 67-75;

Ghita, I., Pena-Leonte, E., Dobre, D., Bumbac, C., Badescu, V., The Impact Of Heavy Metals On Biocenotic Population Of WWTP’s Activated Sludge, International Symposium „Environment and Industry”, Bucharest SIMI 2011, Book of Proceedings Vol.1, pp.105-113. International Multidisciplinary Scientific GeoConfenferences SGEM 2015 www.sgem.org

Madoni P., Davoli D., Gorbi G., Vescovi L., Toxic effect of heavy metals on the activated sludge protozoan community, Water Research, 1996, vol. 30(1), pp. -141;

Lee S., Basu S., Tyler C.W., Wei I.W., Ciliate populations as bio-indicators at Deer Island Treatment Plant, Advances in Environmental Research, 2004, vol. 8 (3-4), pp. 371-378;

Salvado H., Gracia M.P. , Amigó J.M., Capability of ciliated protozoa as indicators of effluent quality in activated sludge plants, Water Research, 1995, vol.29 (4 ), pp. 1041-1050;

Salvadó H., Gracia M.P., Determination of organic loading rate of activated sludge plants based on protozoan analysis, Water Research, 1993, vol. 27 (5 ), pp. 891-895;

Madoni P., A sludge biotic index (SBI) for the evaluation of the biological performance of activated sludge plants based on the microfauna analysis, Water Research, 1994, vol. 28 (1), pp. 67-75;

Ghita, I., Pena-Leonte, E., Dobre, D., Bumbac, C., Badescu, V., The Impact Of Heavy Metals On Biocenotic Population Of WWTP’s Activated Sludge, International Symposium „Environment and Industry”, Bucharest SIMI 2011, Book of Proceedings Vol.1, pp.105-113. International Multidisciplinary Scientific GeoConfenferences SGEM 2015 www.sgem.org