Polyacrylamide ntchito neutralization ndi mpweya mankhwala a zinyalala asidi njira

Pickling nthawi zambiri imagwirizanitsidwa ndi passivation. Nthawi zambiri, zinthu zofunika pickling ayenera passivated, chifukwa pambuyo pickling, pamwamba sadzakhala kupanga kungokhala chete filimu, kapena makulidwe a kungokhala chete filimu ndi woonda kwambiri, kotero palibe zotsatira. Njira yotsatila iyenera kuwonjezeredwa kuti ipangidwe ndikusintha filimu yodutsa pamwamba. Mowa wotayirira wa polyacrylamide pickling nthawi zambiri umakhala ndi nitrate, Fu compound, trivalent iron ion, trivalent chromium ion, ndi nickel ion. Chifukwa chakuti pali magwero ambiri oyipitsa, nkovuta kuwaletsa.

The pickling zinyalala madzi umasefedwa ndi gululi ndiyeno kumizidwa mu homogenization thanki. Ubwino wa madzi ndi kuchuluka kwa pickling zinyalala zamadzimadzi zimasungidwa m'malo okhazikika kuti zitsimikizire kuti ntchito yanthawi zonse ya neutralization ndi sedimentation zikuyenda bwino.

Mu sitepe yotsatira, ndi pickling zinyalala madzi akulowa polyacrylamide neutralization anachita thanki, ndi laimu anawonjezera kusintha pH mtengo. Kuti muchotse ma ion a Fu m'madzi oyipa, pH mtengo wa thanki ya neutralization iyenera kuyendetsedwa pamwamba pa 10.5. Phindu la pH likafika pa 9.5, ma ayoni azitsulo zolemera adapanga mpweya wa hydroxide, ndipo CaF2 ndi f zinagwera pamodzi.

Chifukwa cha kuwonjezereka kwa laimu, gawo losasungunuka limapanga matope, ndipo ion ya calcium yosungunuka idzaphatikizana ndi sulphate ion m'madzi onyansa kuti apange calcium sulfate yambiri. PAM polyacrylamide ndi anawonjezera kuti imathandizira sedimentation ndi coagulation, ndiyeno neutralized ndi precipitated pickling zinyalala madzi akulowa mu sedimentation thanki kwa olimba-zamadzimadzi kulekana. Madzi omveka bwino amatulutsidwa kudzera mu thanki ya sedimentation, ndipo matopewo amalowa mu thanki yosungiramo matope kuti athetse madzi m'thupi kuti apange keke ya sludge.

Oubo Chemical  ndi imodzi mwa opanga zazikulu kwambiri za Polyacrylamide ku China, Oubo imakhazikika popereka  Cationic Polyacrylamide , Anionic Polyacrylamide, ndi  Nonionic Po lyacrylamide , tili ndi zida zapamwamba ndi ndodo zamaluso, zomwe zimatsimikizira kuti zinthu zonse ndi ntchito zizikhala bwino. Mphamvu yapachaka ya polyacrylamide yadutsa ma 50,000 ma ion mu 2018, ndipo kasamalidwe kabwino ka Oubo adatsimikiziridwa ndi IS09001:2008. Timayima monyadira kuseri kwa mankhwala athu.


Nthawi yotumiza: Jan-29-2021
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