Full Description

Plain sand was compared with iron-oxide-coated sand as a medium for filtration. The coated sand has a positive surface charge at neutral pH, whereas uncoated sand is negatively charged under similar conditions. The influent to the filters contained either latex particles, which were negatively charged in all solutions investigated, or ferrihydrite particles, which were negatively charged at pH

Product Details

Edition: Vol. 86 - No. 8 Published: 08/01/1994 Number of Pages: 14File Size: 1 file , 26 MB