M'madzi amadzimadzi, makina ogwiritsira ntchito zogwiritsidwa ntchito kwambiri ndi mchere wa aluminiyumu ndi mchere wachitsulo, mchere wa aluminimu wakhalapo m'madzi azaumoyo, ndipo mchere wotsalira umakhudza utoto wamadzi, etc.; Mu mankhwala ambiri amadzimadzi, zimakhala zovuta kuthana ndi mavuto achiwiri a kuwonongeka kwachiwiri monga sludge komanso zovuta kutaya sludge. Chifukwa chake, kufunafuna chinthu chachilengedwe chomwe sichiyambitsa kuwonongeka kwachiwiri kwa chilengedwe kuti chilengedwe m'malo mwamphamvu zamchere ndi zitsulo ndizofunikira pakukhazikitsa njira zokhazikika masiku ano. Mabotolo achilengedwe a polymer amakopa chidwi kwambiri pakati pa maboti ambiri chifukwa cha zojambula zawo zochulukirapo, mtengo wotsika, kusankha kwabwino, chitetezo komanso chosakhazikika. Pambuyo pazaka chitukuko, ambiri a polyments polyments ndi zinthu zosiyanasiyana ndikuzitukula, pakati pa wowuma, lumin, guluu ndi masamba osenda omwe amagwiritsidwa ntchito panobe.
ChitosanKatundu
Chitosan ndi amorphous yoyera, yoyera yoyera, yopanda malire m'madzi koma sungunuka mu asidi, omwe ndi a Decetylation Chuma. Nthawi zambiri, Chitosan titha kutchedwa Chitosan pomwe gulu la N-Acetyl ku Chitin limachotsedwa ndi 55%. Chitun ndiye gawo lalikulu la nyama ndi tizilombo, ndipo ndi gawo lachilendo kwambiri zachilengedwe pambuyo pa cellulose. Monga nyumba yoyendetsedwa, Chitosan ndichilengedwe, osati poizoni komanso chonyowa. Pali magulu ambiri a hydroxyl, magulu a amino ndi magulu ena a N-Acetylamino amagawidwa pa chitosale, omwe amatha kupanga ma polydelectolyte zothetsera matenda a acidic kapena zomangira za ionic. Mamolekyulu atha, onjezerani zovuta ndikuchotsa zitsulo zambiri. Chitosan ndi zotumphuka zake zimakhala ndi magwiridwe osiyanasiyana, osati muudindo ndi makina osindikizira, mapepala, chakudya, chakudya cham'madzi, chitosan chimavomerezedwa ndi bungwe loteteza zachilengedwe ku US Monga kutsuka wothandizila kumwa madzi chifukwa cha maubwenzi ake apadera m'madzi omwe amagwiritsa ntchito mankhwala ndi mankhwalawa.
Kugwiritsa ntchitoChitosanM'madzi
(1) Chotsani kuyimitsa mu thupi lamadzi. M'madzi achilengedwe, imakhala dongosolo lolakwika la Colloid chifukwa cha mabakiteriya okhala ndi dongo, ndi zina zambiri poizoni. Poyerekeza ndi alum alum ndi polyacrlamide ngati maluwa, Chitosan amveketsa bwino. Purdd et al. Anaphunziranso za kufalikira kwa nyumba imodzi ya Kaolin pomwe mtengo mtengo wa Chitosan unali 5-9, ndipo anapeza kuti kukwera kwa mtengo wake, ndipo mtengo woyenera kuchotsedwa kwa Turbidity unali 7.0-7.5. 1Mg / l Borccinunt, mtengo wochotsa ku Turbidity umapitilira 90%, ndipo zomangira zopangidwa ndizosakhwima, ndipo nthawi yonse yopumira siyiposa 1h; Koma mtengo wa pH umatsika kapena kuwonjezereka, kuwonetsa kuti pokhapokha mu miyeso yopapatiza kwambiri, chitosan amatha kupanga polymerization ndi kaolin. Kafukufuku wina wapeza kuti kulowa kwa bentinonite kumayikidwa ndi Chitosan, malo oyenera a pH ndi ambiri. Chifukwa chake, pomwe madzi a Turbid ali ndi tinthu tatin, ndikofunikira kuwonjezera kuchuluka koyenera ngati collangent kuti muwonjezere polymerization waChitosanpa tinthu tating'onoting'ono. Pambuyo pake, rabid et al. anapeza
Ngati humus pali kuyimitsidwa kwa Kaolin kapena Titaniachi, ndikosavuta kuyang'ana ndi chitosan, chifukwa humus zimagwirizanitsidwa ndi kusinthika kwa tinthu tating'onoting'ono. Chitosan adawonetsabe katundu wambiri wa matupi achilengedwe amadzi omwe ali ndi vuto losiyanasiyana komanso lallianity.
(2) Chotsani algae ndi mabakiteriya kuchokera m'thupi lamadzi. M'zaka zaposachedwa, anthu ena akunja ayamba kuphunzira adsororpy ndi kugwedezeka kwa chitosan pazinthu zachilengedwe monga algae ndi mabakiteriya. Chitosan ali ndi kuchotsedwa kwa algae wanyimbo ya algae, pomweyu assulina, oscillator Algae, chlorella ndi buluu-green algae. Kafukufuku wawonetsa kuti kwa algae wanyimbo, kuchotsedwako kuli bwino pa Ph 7; Kwa algae, pH ndiyotsika. Mlingo woyenera wa chitosan umatengera kuchuluka kwa algae m'thupi lamadzi. Kukwera kwambiri kwa algae, mlingo wa chitosan uyenera kuwonjezeredwa, ndipo kuwonjezeka kwa mlingo wa chitosan kumapangitsa kuti abweretse bollation ndi mpweya. Mofulumirirako. Turbidity imatha kuyeza kuchotsa kwa algae. Mtengo wa PH ndi 7, 5mg / lChitosanImatha kuchotsa 90% ya kuwonongedwa m'madzi, ndi algae ndende, kersr tinthu tating'onoting'ono timakhala bwino.
Kuyesedwa kwa ma microscopic kunawonetsa kuti algae omwe adachotsedwa chifukwa cha kukwera komanso kukhazikika kudangolowa, ndipo adakali mu State komanso yogwira ntchito. Popeza Chitosan sichimabweretsa mavuto aliwonse m'madzi m'madzi, madzi otetezedwa amatha kugwiritsidwabe ntchito kwa am'madzi am'madzi oyera, mosiyana ndi mabotolo ena opangidwa ndi madzi. Njira yochotsa chitosan pa mabakiteriya amakhala ovuta. Mwa kuphunzira kukwera kwa kukwera kwa Escher Colio Coli ndi Chitosan, zimapezeka kuti njira yosakhazikika ndi njira yayikulu yolowera dongosolo lazolozera pa cell. Kafukufuku wina anasonyeza kuti kuchita bwino kwa chitosan boloct ya E. Coli amatengera sipachiritso chabe wa diectric komanso pamlingo wake wa hydraulic.
(3) Chotsani ziwaya zotsalira ndikuyeretsa madzi akumwa. Masamba a aluminium ndi maboti oyenda pansi amagwiritsidwa ntchito kwambiri pakugulitsa madzi, koma kugwiritsa ntchito maboti amchere amchere kumatha kuyambitsa kuchuluka kwa aluminium. Kutsalira kotsalira mu madzi akumwa ndi ngozi yayikulu pa thanzi la anthu. Ngakhale Chitosan ali ndi vuto la madzi otsalira, chifukwa ndi njira yachilengedwe aminopolysalysaride, otsalawa sadzavulaza thupi la munthu, ndipo amatha kuchotsedwa munjira yotsatirayi. Kuphatikiza apo, kugwiritsa ntchito kophatikizana kwa maluwa ophatikizika monga polyalumuminium chloride amatha kuchepetsa zomwe zimatsalira aluminiyamu. Chifukwa chake, kumwa mankhwala amadzi, chitosan kuli ndi zabwino zomwe zimapangitsa kuti zolengedwa zina zopangidwa ndi zike zosawoneka bwino sizingalowe m'malo.
Kugwiritsa ntchito chitosan mu mankhwala a zinyalala
(1) Chotsani mazolowezi azitsulo. Mabwalo aChitosanNdipo zotumphuka zake zimakhala ndi magulu a amino ndi magulu a hydroxyl, motero imakhala ndi vuto la zitsulo zambiri, ndipo limatha kutsatsa bwino zitsulo zambiri, ndipo amatha kugwidwa ndi zitsulo zosemphana ndi zitsulo. Katherine A. Eiden ndi maphunziro ena awonetsa kuti ma chitosan ku matenda a Chitosan ku PB2 + ndi CR3. Zhang Ting'an et al. Kugwiritsa ntchito chitosuty Chitosan kuti muchotse mkuwa ndi kukwera. Zotsatira zake zikawonetsa kuti mtengo wa pH unali 8.0 ndi unyinji wa matchulidwe a mkuwa m'madzi anali otsika kuposa 100 mg / l, mtengo wochotsa mkuwa udapitilira 99%; Misa yoyang'anira ndi 400mg / l, ndi unyinji wokhazikika mumiyala yamkuwa yomwe imatsalira muyeso wa dziko la National. Kuyesanso kwina kunatsimikizira kuti PH = 5.0 ndi Adsorprash anali 2h, kuchotsedwa kwa Chitosian ku Nicker * Kuyika zinyalala kufika 72.25%.
(2) Chitani zotayira zinyalala ndi mapuloteni apamwamba monga chakudya kutaya madzi. Pa chakudya pokonza, madzi a zinyalala okhala ndi zolimba zoyimitsidwa. Moleky wa Chitosan amakhala ndi gulu la amino ndi gulu la hydroxyl. Ndi kutsutsana kwa Amino Chitin ndi Chitosan amatha kupanga ma hayrogen ndi mapuloteni, amino acid, mafuta acids, etc. fang zhimin et al. ogwilitsidwaChitosan, aluminiyamu sulfate, Ferric sulfate ndi polypropylene phthalamide ngati maluwa kuti abwezere mapuloteni ku madzi otayika zinyalala. Kutumiza kwanyengo kwanyengo komanso kuwongolera koyenera kumatha kupezeka. Chifukwa chopanda Chitosan sichikhala chopondera ndipo sichigwiritsidwa ntchito chowonjezera monga mapuloteni monga mapuloteni ndi wowuma mu madzi ochotsa zakudya zopangira zakudya ndikugwiritsa ntchito chakudya.
(3) Chithandizo cha kusindikiza ndi kupatsa madzi owononga. Kusindikiza ndi kupatsa madzi otayika kumatanthauza madzi owonongeka kuchokera ku thonje, ubweya, fiber fiber ndi zinthu zina zojambula, zojambula, kusindikiza ndi kumaliza. Nthawi zambiri imakhala ndi mchere, organic surfactonts ndi utoto, etc., ndi zigawo zovuta, chroma yayikulu ndi codom yayikulu. , ndikukula motsogozedwa ndi anti-ontiadation ndi anti-Biodegration, omwe ndi ovulaza kwambiri thanzi laumunthu komanso chilengedwe. Chitosan chili ndi magulu a amino ndi ma hydroxyl a ma hysorption a utoto, kuphatikizapo: Adsorption, mphamvu ya ma hydrogen, ma enrophobic mogwirizana, etc. zotsatira. Nthawi yomweyo, kapangidwe kake ka chitosan kuli ndi magulu a amino akuluakulu, omwe amapanga othandizira poimira pomcheza, omwe sangathe kuyikamo magetsi, ndipo sakutulutsa mawonekedwe achiwiri.
(4) Kugwiritsa ntchito sludge kumapha. Pakadali pano, ambiri mwa mankhwala othandizira a umizinda a Urban chimbudzi amagwiritsa ntchito polyacrylamide kuti asachotse sludge. Kuchita izi kwawonetsa kuti wothandizilayo ali ndi vuto lakunyumba ndipo ndi losavuta kudothi wamadzi, koma otsalira, makamaka ackalamide monomer, ndi mphamvu yamphamvu. Chifukwa chake, ndi ntchito yabwino kwambiri yopempha m'malo mwake. Chitosan ndi chowongolera chabwino, chomwe chimathandizira kupanga ma bacteria oyendetsa mabakiteriya omwe ayambitsidwa, zomwe zingayambitse vuto lanu lothetsa komanso lothandiza pochiza. Kafukufuku wawonetsa kuti polyulumuminum chloride / Chitosan amapanga mowonekeratu sikuti amangowonjezera kugwiritsa ntchito pac kapena chitosan, ndipo kuchuluka kwa kusefera kuli kokwera. Zimathamanga ndipo ndizofunikira kwambiri; Kuphatikiza apo, mitundu itatu ya Carboxymethyl Chitosan (N-Carboxymethyl Chitosan Chitosan ndi O - Carboxymethyl Chitosan Sludge Dumung anali wabwino kwambiri kuposa momwe zimakhalira.
ChitosanNdipo zotumphuka zake zimakhala zolemera, zachilengedwe, zopanda poizoni, zowonongeka, komanso zimakhala ndi zida zosiyanasiyana nthawi imodzi. Ndiwogulitsa madzi obiriwira. Zinthu zake zomera, chitin, ndiye wachiwiri wachilengedwe kwambiri padziko lapansi. Chifukwa chake, m'zaka zaposachedwa, kukula kwa chitosan mu chithandizo chamadzi kumakhala ndi malire. Monga poimba zachilengedwe zomwe zimasandulika chuma, ndipo poyamba adagwiritsidwa ntchito poyambira m'minda yambiri, koma kugwiritsa ntchito zinthu zapakhomo kumakhalabe ndi gawo lina lokhala ndi maiko ena apamwamba. Ndi kuyerekezera kafukufuku pa Chitosan ndi zochokera, makamaka chosinthika ndi kaphatikizidwe kabwino kazinthu, zimakhala ndi phindu lochulukirapo. Kuyang'ana ukadaulo wa Chitosan mu chithandizo chamadzi ndikupanga zinthu zachilengedwe zachilengedwe zomwe zimagwiritsidwa ntchito ndi njira zogwiritsira ntchito zomwe zingakhale ndi mtengo wotakamwa.
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Post Nthawi: Aug-09-2022