Mukamaganizira zanuChithandizo chamadziNjira, yambani mwa kudziwa zomwe mukufuna kuti muchotse m'madzi kuti tikwaniritse zofunika kuchita. Ndi chithandizo chamankhwala choyenera, mutha kuchotsa ma ions ndipo ocheperako osungunuka ndi madzi kuchokera kumadzi, komanso kuyimitsidwa zolimba. Mankhwala omwe amagwiritsidwa ntchito mu matenda a chimbudzi makamaka ndi:Malo ogona, PH Ogalani, coagulant.
Malo ogona
Mabotolo amagwiritsidwa ntchito m'mafakitale osiyanasiyana ndi ntchitoKuthandizira kuchotsa magetsi kuchokera ku madzi owoneka bwino ndi zokutira zowoneka bwino m'matumba kapena "maboti" omwe amayandama pansi kapena kukhazikika pansi. Amathanso kugwiritsidwa ntchito kufewetsa laimu, gwiritsani ntchito sludge ndi madzi ofooka. Makina opangira zachilengedwe kapena mchere amaphatikiza silika ndi ma polysaccharides, pomwe zopangira maboti ndizomwe zimapanga polyacrrylamide.
Kutengera ndi mlandu ndi kapangidwe ka madzi a zinyalala, zomangira zitha kugwiritsidwa ntchito payekha kapena kuphatikiza ndi coagulants. Maboti amasiyana ndi coagulants kuti nthawi zambiri amakhala a poizor, pomwe ma coagulants nthawi zambiri amakhala amchere. Kukula kwake kwa ma molecular (kulemera) ndi kuwongolera kachulukidwe (kuchuluka kwa mamolekyulu okhala ndi anionic kapena zolipiritsa) amatha kusiyanasiyana "kuwongolera" ndalamazo m'madzi ndikuwapangitsa kuti athetse nkhawa limodzi komanso amasungunuka. Mwambiri, anionic maluwa amagwiritsidwa ntchito kutchera michere michere, pomwe kudula maboti amagwiritsidwa ntchito kulanda tinthu tambiri.
PH Woyang'anira
Kuchotsa zitsulo ndi zovuta zina zosungunuka kuchokera pamadzi zinyalala, a Reflator angagwiritsidwe ntchito. Pokweza mafu amadzi, ndikuwonjezera kuchuluka kwa ma ions oyipa, izi zimapangitsa kugundana ndi zitsulo zomangirana ndi zoyipa za hydroxide iyi. Izi zimapangitsa kusefedwa ndi tinthu tating'onoting'ono tofiyira.
Kugwilizana
Kwa njira iliyonse yothandizira madzi otayika omwe amathandizira kuyimitsa zinthu, ma coagulants amatha kukulitsa chodetsa chodetsedwa kuti achotse. Mankhwala opangira mankhwala omwe amagwiritsidwa ntchito pofuna kukongoletsa mafakitale opanga mafakitale agawidwa m'magulu awiri: organic ndi atorganic.
Ma coornguant a atorgetonce ndi okwera mtengo ndipo amatha kugwiritsidwa ntchito pazogwiritsa ntchito zambiri. Amagwira ntchito makamaka pamadzi osaphika amtundu uliwonse wotsika, ndipo ntchitoyi sioyenera kuphatikizika kwa organic. Mukawonjezeredwa ku madzi, ma coagants ogwiritsa ntchito ochokera mu aluminiyamu kapena chitsulo chamiyala, chodzaza ndi madzi m'madzi ndikuyeretsa. Izi zimadziwika kuti "sesa-yoyendetsera" makina. Ngakhale kuti njirayi imachulukitsa kuchuluka kokwanira komwe kumafunikira kuchotsedwa kumadzi. Ma coagrampant ambiri amangophatikiza aluminium sulfate, aluminiyamu chloride, ndi ferric sulfate.
Zovala zachilengedwe zimakhala ndi maubwino a mlingo wotsika, wopanga pang'ono komanso chifukwa chakhumudwitsa pa Ph ya madzi otetezedwa. Zitsanzo za ma coagant achilengedwe zimaphatikizapo polyamines ndi Polydimethyl Diamlyl amlorium chloride, komanso Melamine, formaldehyde ndi tannins mmalo.
Post Nthawi: Mar-29-2023