what will happen if aluminium sulfate is overdosed as a coagulant in a water tre
ID: 1036755 • Letter: W
Question
what will happen if aluminium sulfate is overdosed as a coagulant in a water treatment process ?Question Completion Status: Moving to the next question prevents changes to this answer. Question2 What will happen if aluminum sulfate is overdosed as a coagulant in a water treatment process? OL. pH won't be affected and the particles will attract each other. O II. pH won't be affected but the particles will repel each other. O IIi, pH will increase and particles will tend to be neutral. V.pH will decrease and particles will tend to repel cach other because they will be positive. Moving to the next question prevents changes to this answer
Explanation / Answer
option 4 is correct
Al2 (SO4 )3.16H2O?2Al3++3SO42-+16H2O?2Al(OH)3+6H++3SO42- +10H2O
from this equation as you can see that hydrogen ions will react with the alkalinity of the water so pH decrease.
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