Abstract: This paper traces environmental engineering from its limited beginning in water‐ and vector‐borne disease control to its current level of professional involvement. Environmental engineering has changed from a profession ...

Abstract: A mathematical model (CRAS) has been developed to evaluate the behavior of trivalent chromium [Cr(III)] in the activated‐sludge process. The validity of the model was tested by comparing its prediction with experimental ...

Abstract: This paper is concerned with the various aspects of designing biological treatment facilities capable of removing organic contaminants from industrial wastewaters. Outlined are a sequential approach ...

Abstract: A laboratory investigation was conducted to evaluate the utilization and recycle of phosphorous in waste stabilization ponds (WSP). Two pond systems were operated under three different loading conditions during a period ...