use.According to the basicity and (Al+Fe)/Si molar ratio,the coagulants were as follows: PAFSiC with OH/(Al+Fe)= 2.0 and (Al+Fe)/Si = 5 as PAFSiC 2.0/5, while PAC )/3 ...
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A car bomb ripped through a market in Mogadishu on Sunday, killing 39 people and injuring around 50, a local official said, days after Somalia elected a new president.
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