But water head loss of filter for aluminium sulphate polysilicate application will grow quicker than that for aluminium sulphate .

 
  • 殘留的鋁含量降低,而殘留硅的含量沒(méi)有增加,但投加聚硅硫酸鋁會(huì )導致濾池水頭損失增加。
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