Full Description

When polluted waters containing high concentrations of ammonia-nitrogen and organics are treated with prechlorination, the excessive dosages of chlorine required produce chloroform and other trihalomethanes in the finished water. In an attempt to avoid the use of prechlorination, packed-bed filtration alone and packed-bed filtration preceded by ozonation were studied side by side. The results indicate that packed-bed filters using coke and gravel as the media can remove

Product Details

Edition: Vol. 85 - No. 5 Published: 05/01/1993 Number of Pages: 7File Size: 1 file , 1.4 MB