伊人久久综在合线亚洲

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          Hangzhou Leo Filter Press Co.,Ltd.
          (Zhejiang Leo Filter Technology Co.,Ltd.)

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          Filter Press Operation: Pretreatment for Slurry before Filtering from Leo Filter Press,Filter Press Manufacturer from China

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          Leo company's product prototype.

          Filter Press Operation: Pretreatment for Slurry before Filtering from Leo Filter Press,Filter Press Manufacturer from China

          Filter Press Operation: Pretreatment for Slurry before Filtering from Leo Filter Press,Filter Press Manufacturer from China

          Slurry Pretreatment with Flocculent Material Before Filtering,Get Better Filtering Efficiency


          Chemial Flocculant Agent


          1.acid and alkali


          the normal acid and alkali,such as H2SO4,HCL,NaOH,Ca(OH)2 etc,to adjust PH value


          2. AlCl2.6H2O


          20% Al2O3 water solution(AlCl3.6H2O)is the main resource for Al+


          3.Al2(SO4)3.18H2O


          4.(Al2(OH)nCl6-n)m PAM


          5.FeCl3.6H2O


          6.FeSO4.7H2O


          Natural Flocculant Agent


          1. starch


          insoluble in water,it will trun to sticky,half clear colloid


          2.osseocolla,gelatin


          3.Guar gum


          4.Tannic acid


          5.Sodium alginate


          How to choose flocculant agent


          It is a hard work,and also very complicated,there are many factorrs will insult the sizing,such as solid content and mixing degree,price and its sales channels,application,dangerous,etc.


          Other chemical and physical Method


          1. adjust solution PH value


          2.decrease viscocity


          to decrease viscocity can increase filtering efficiency,to get less moisture content filter cakes and higher solid content for the cakes


          3.degas


          by filtering with high pressure,heating or filter by vaccum method to decrease operation cost


          4. freezing


          not economic,only for hazard wastes


          5. super sonic


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          伊人久久综在合线亚洲

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