除(chu)磷(lin)進程(cheng)是(shi)(shi)(shi)(shi)通(tong)過化學(xue)(xue)沉(chen)(chen)析(xi)(xi)(xi)完成(cheng)的(de),而化學(xue)(xue)沉(chen)(chen)析(xi)(xi)(xi)就是(shi)(shi)(shi)(shi)指將除(chu)磷(lin)劑(ji)加(jia)投(tou)到污(wu)(wu)水中(zhong),與(yu)污(wu)(wu)水中(zhong)含(han)有(you)溶(rong)解性的(de)鹽類混合后(hou),構成(cheng)非溶(rong)解性的(de)物質,一般是(shi)(shi)(shi)(shi)顆粒狀,之(zhi)后(hou)產生沉(chen)(chen)積,這(zhe)也叫(jiao)做相轉移進程(cheng)。投(tou)加(jia)除(chu)磷(lin)劑(ji)之(zhi)后(hou),其實(shi)污(wu)(wu)水中(zhong)進行(xing)的(de)不僅僅是(shi)(shi)(shi)(shi)沉(chen)(chen)析(xi)(xi)(xi)反(fan)響(xiang),還有(you)化學(xue)(xue)絮凝(ning)反(fan)響(xiang),所(suo)以專(zhuan)業人士(shi)還是(shi)(shi)(shi)(shi)需求區分化學(xue)(xue)沉(chen)(chen)析(xi)(xi)(xi)和化學(xue)(xue)絮凝(ning)的(de)差異。
除磷劑在廢水中水解構成的高價陽離子分別是3價鐵離子與2價鎂離子,其對廢水中的低價磷酸鹽陽離子進行替代,并對大部份磷酸根離子進行架橋吸附網捕成堿式磷酸鹽復合絡合物的礬花沉積。鐵離子吸附流離磷與各種有機磷后生成的氫氧化物膠體沉積,并在絮凝體沉積的進程中網捕一部份非