AWWA JAW57845

Land application of drinking water treatment residuals toreduce phosphorus (P) from agricultural land could provideeconomic and environmental benefits to municipalities andcommunities by preserving surface water quality. Only treatmentresiduals that have significant P sorption capacity will reducerunoff P, and the ability of different treatment residuals fromdifferent plants to reduce P runoff varies greatly.The authors describe a simple test that can determinewhether a treatment residual will serve as a P sorbent and therelative amount that should be land-applied. Currently, mostutilities are landfilling their treatment residuals. Utility managerswill be interested in land application of their residuals because itwill decrease their waste-disposal expenses, and it may helpprotect their source water from agricultural runoff. The majorstumbling block for utilities is obtaining permits for land application.However, predicting the performance of a given treatmentresidual to reduce runoff P is necessary to obtain permits fromregulatory agencies. Includes 36 references, tables, figures.

Product Details

Edition:

Vol. 95 - No. 4

Published:

04/01/2003

Number of Pages:

8

File Size:

1 file , 390 KB