Kodi Magulu Othandizira Kuyeretsa Madzi Ndi Chiyani?

Mankhwala oyeretsera madzi amatchula mankhwala omwe amawonjezeredwa poyeretsa madzi kuti achotse zinthu zambiri zowononga m'madzi (monga zinthu zowononga, ayoni achitsulo, dothi ndi tizilombo toyambitsa matenda, ndi zina zotero) ndikupeza madzi a boma kapena mafakitale omwe amakwaniritsa zofunikira. Mankhwala oyeretsera madzi ndi gulu lofunika kwambiri la mankhwala abwino kwambiri ndipo ali ndi mphamvu zenizeni. Othandizira osiyanasiyana oyeretsa madzi amafunikira pazolinga zosiyanasiyana komanso zinthu zochizira.

Chiyambi:

Madzi oyeretsera madzi ndi mawu omwe amagwiritsidwa ntchito poyeretsa madzi, omwe amagwiritsidwa ntchito kwambiri m'mafakitale monga mafuta, makampani opanga mankhwala, zitsulo, mayendedwe, mafakitale opepuka, ndi nsalu. Mankhwala ochizira madzi amaphatikizapo corrosion inhibitors, scale inhibitors, bactericides, flocculants, purifiers, clean agents, pre-filming agents, ndi zina zotero. Muzogwiritsira ntchito, mankhwala opangira madzi okhala ndi ma formula apawiri amagwiritsidwa ntchito, kapena mankhwala osiyanasiyana opangira madzi amagwiritsidwa ntchito limodzi. Choncho, m'pofunika kumvetsera kusagwirizana pakati pa zigawozo chifukwa cha kuphatikizika kosayenera, komwe kumachepetsa kapena kutaya zotsatira zake, komanso kugwiritsa ntchito mokwanira mphamvu ya synergistic (ma synergistic effect yomwe imapangidwa pamene othandizira angapo amakhalapo) kuti awonjezere zotsatira. Kuphatikiza apo, machitidwe ambiri opangira madzi ndi machitidwe otseguka okhala ndi kuchuluka kwa mpweya. Powagwiritsa ntchito, zotsatira za mankhwala osiyanasiyana opangira madzi pa chilengedwe ziyenera kuganiziridwa. Mankhwala ochizira madzi ambiri akuphatikizapo: flocculants, ferrous sulfate heptahydrate, mchere wa polyferric, calcium hydroxide, ferric chloride hexahydrate, bactericides ndi algaecides, chlorine dioxide, inhibitors ndi corrosion inhibitors, polyacrylamide (cationic, anionic, polyuminium, polyamide, polyamide), ferric chloride, ferrous sulfate, etc.

 

Corrosion inhibitors
Gulu la mankhwala omwe angalepheretse kapena kuchepetsa kuwonongeka kwa zinthu zachitsulo kapena zipangizo ndi madzi atawonjezedwa m'madzi m'magulu oyenera komanso mawonekedwe. Iwo ali ndi makhalidwe abwino zotsatira, otsika mlingo, ndi yosavuta kugwiritsa ntchito. Pali mitundu yambiri ndi mitundu ya corrosion inhibitors. Malingana ndi mtundu wa mankhwala awo, amatha kugawidwa mu inorganic corrosion inhibitors ndi organic corrosion inhibitors. Malingana ndi zomwe amaletsa ndi anodic reaction, cathodic reaction, kapena zonsezi, zikhoza kugawidwa mu anodic corrosion inhibitors, cathodic corrosion inhibitors, kapena mix corrosion inhibitors. Corrosion inhibitors amathanso kugawidwa mu mtundu wa filimu yodutsa, mtundu wa filimu ya mpweya, ndi mtundu wa filimu ya adsorption molingana ndi makina opangira filimu yoteteza pamwamba pazitsulo. Ambiri ntchito passivation film mtundu corrosion inhibitors mu madzi mankhwala monga chromates, nitrites, molybdates, etc.; ambiri ntchito mpweya filimu dzimbiri zoletsa monga polyphosphates, nthaka mchere, etc.; omwe amagwiritsidwa ntchito kwambiri adsorption film type corrosion inhibitors amaphatikiza ma organic amines, etc.
Wobalalitsa
Cholepheretsa choyambirira cha sikelo yoletsa dispersant chinali polyacrylic acid (sodium), yomwe imakhala ndi zoletsa zabwino polimbana ndi sikelo ya calcium carbonate, koma imakhala ndi zoletsa zochepa kwambiri pakuyika kwa calcium phosphate.

 

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