Answered by Hayat Raza (3780 pts) 1 year Ago
Water Treatment Plant built in the 80's to treat (remove) arsenic and fluoride.
The process uses activated alumina for filtration along with the injection and handling of Sodium Hydroxide and Sulfuric Acid for regeneration. Is this process still used, is it considered safe?
Answered by Nadia Koukoui (4370 pts) 2 years Ago
Fluoride result is over half of the MAC(1.5), does sampling increase too every 3 months until results reduce to < half?
I am in Ontario. In Reg 170/03, Schedule 13, I see the increase of sampling for Inorganic(13-2) and Organics(13-4) under 13-5. But I do not see anything referring to Fluoride (13-9).
Answered by Pbassplayer (5930 pts) 1 year Ago
Water fluoridation - what do you think?
The issue of water fluoridation is a hot topic again. The city of Trois-Rivières in Quebec announced it would resume fluoridation this fall, which drew vocal opposition from many residents. The city finally axed its plans. This makes the nearby town of Châteauguay the largest city in Quebec to be pa...
Answered by Tonino (2580 pts) 3 years Ago
Hi, We regularly treat fluoride for an industrial customer specializing in surface finishing. The concentrations are pretty high (usually 15 mg/l at output), but in the last few months that level has increased to about 25 mgl. To overcome this problem we add coagulant (poly-aluminum chloride), but...