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Dissolved Air Flotation ,Dissolved Air Flotation plant, oily wastewater treatment system, diffused air flotation

1T溶气气浮机 2T气浮装置 3溶气气浮设备宜兴建化定制小型气浮设备

气浮

利用水在不同压力下溶解度不同的特性,在加压或者负压条件下使水中产生微气泡,代替传统的引气设备向水中引气的气浮工艺.

溶气气浮主要用于污水处理系统,对除藻有奇效,是污水处理系统中一个新的突破。

溶气气浮工作原理是:由空气压缩机送到空气罐中的空气通过射流装置被带入溶气罐,在0.35Mpa压力下被强制溶解在水中,形成溶气水,送到气浮槽中。在突然释放的情况下,溶解在水中的空气析出,形成大量的微气泡群,同泵送过来的并经加药后正在絮凝的污水中的悬浮物充分接触,并在缓慢上升过程中吸附在絮集好的悬浮物中,使其密度下降而浮至水面,达到去除SS和CODcr的目的。

适用范围 1、电镀废水的重金属离子、如铬、锌、铜、镍、铅等总含量在50PPM以下,去除率均可在70%左右,悬浮固体去除率90%左右。 2、印染废水的色度去除率达90%左右,COD去除率60-70%左右,BOD去除率50%左右。 3、食品 宰和制革废水的COD去除率为70%左右,悬浮固体去除率90%左右。 4、炼油废水的油脂,可降至10毫克/升以下,废水能达到澄清程度。 5、对化工废水和颜料油漆等,COD去除率74%,色度去除率93%左右。 6、造纸白水的纤维回收率可达到95%左右,COD去除率86.7%左右,清水完全回用。 7、大池淋浴水浊度可稳定在10度以下,水中的细菌有较大的幅度下降。 8、生活饮用水及工业的浊度可净化到5度以下,同时对色度耗氧量降低有良好的效果。


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