Njira yopangira ma coagulation pochiza madzi otayira opangira mapepala imafuna kuwonjezeredwa kwa coagulant inayake, yomwe nthawi zambiri imatchedwanso decolorizing flocculant yopanga madzi otayira pamapepala. Chifukwa coagulation sedimentation imatha kuchotsa zolimba zomwe zayimitsidwa m'madzi oyipa, matope a mankhwala amatha kutsika.
Choncho, zonyansa zambiri, colloids ndi zoipitsa m'madzi oipa akhoza precipitated ndi agglomerated powonjezera mankhwala mpweya wothandizila kuti coagulation sedimentation thanki, kuti tikwaniritse zotsatira za decolorization ndi destabilization, ndi madzi oipa adzakhala bwino. Ma flocculants omwe amagwiritsidwa ntchito nthawi zambiri amaphatikiza ma polymer flocculants ndi ma microbial flocculants, ndipo ma polymer flocculants amaphatikiza ma polima opangidwa ndi organic, ma polima a inorganic, ndi ma polima achilengedwe. Zikuwonekeratu kuti decolorizing flocculantkwa papermaking madzi oipa ndi kupanga high molecular polima.
Madzi otayira nthawi zambiri amathiridwa ndi: chophimba → kusintha → kusedimentation kapena kuyandama kwa mpweya → A/O kapena kukhudzana ndi okosijeni → tank sedimentation yachiwiri → kutulutsa. The decolorizing flocculant ntchito mu thanki sedimentation, ndipo ali ndi makhalidwe a ntchito yosavuta, mkulu kuchotsa mlingo wa COD, ndipo akhoza kupewa kuipitsa yachiwiri.
Pali mitundu yambiri yamadzi otayira m'makampani opanga mapepala. Ngakhale atakhala madzi owonongeka a msonkhano wopanga, ukadaulo wamankhwala womwe umagwiritsidwa ntchito udzakhala wosiyana. Komabe, mfundo yomweyo ya madzi onyansawa ndi apamwamba COD, mkulu chroma, decolorization ndi kuchepetsa COD, kotero iwo akhoza kungowachitira ndi decolorizing flocculants kwa papermaking madzi oipa, ndiyeno kugwirizana ndi njira zosiyanasiyana kulola madzi yobwezeretsanso mabizinesi ntchito kapena kukumana ndi kutulutsa miyezo. Chitani pa intaneti. Pamene ubwino wa madzi onyansa ndi njira yochizira ndizosiyana, zimagwirizana ndi mlingo ndi kusankha kwachitsanzo cha decolorizing flocculant. Chifukwa chake, tikulimbikitsidwa kuchita mayeso ang'onoang'ono musanagwiritse ntchito pamakina kuti mudziwe mtundu ndi mlingo (zambiri mwazinthu zathu zili ndizitsanzo zaulere, kuti apereke zambiri zolondola komanso chitsimikizo chabwinoko chogwiritsa ntchito patsamba.
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Nthawi yotumiza: Jul-29-2022