Abstract |
A comparison was made between two activated sludge treatment systems, one receiving a mixture of garbage grinder waste effluents and settled domestic sewage at different loadings of garbage wastes, and the other receiving only settled domestic sewage. An evaluation of the two systems was made by using process performance factors, which reflect process response and treatment efficiency, and microscopic examinations of the mixed liquor from both systems. Normal procedures for making a comparison between the two systems were reinforced by a statistical comparison of the two data sets obtained. The results indicate that the addition of waste effluents from garbage grinders has no detrimental effect on the performance of the activated sludge treatment systems and that the process is capable of adjusting to a wide range of garbage waste loadings. (Author) |