SODIUM ALUMINATE AS AN ADJUNCT TO ALUM FOR THE COAGULATION OF PUBLIC WATER SUPPLIES

nano-rods zno as an efficient catalyst for the synthesis of chromene phosphonates, direct amidation and formylation of amines

چکیده ندارد.

Alum Coagulation

The Safety of Public Water Supplies

of which was the fact that throughout the operations on the Western Front there was no epidemic of any water-borne diseases. Bearing in mind that in a large number of instances the ordinary sources of supply were either rendered useless or totally destroyed, and that to make up the deficiency drinking water for the armies had to be taken haphazard from streams, canals and rivers, the entire suc...

Polyaluminium chloride as an alternative to alum for the direct filtration of drinking water.

The efficiency of various polyaluminium chloride coagulants (PACls) was compared to the efficiency of aluminium sulfate (alum) in the coagulation-flocculation process preceding direct filtration in drinking water treatment. The comparative study consisted of two separate yet complementary series of experiments: the first series included short (5-7 h) and long (24 h) filter runs conducted at a p...

Water and bioterrorism: preparing for the potential threat to U.S. water supplies and public health.

Water supplies and water distribution systems represent potential targets for terrorist activity in the United States because of the critical need for water in every sector of our industrialized society. Even short-term disruption of water service can significantly impact a community, and intentional contamination of a municipal water system as part of a terrorist attack could lead to serious m...