Nhanganyaya kune zinc ruzivo, simbi zinc inogadzirwa sei?
Zinc chinhu chemakemikari. Chiratidzo chayo chemakemikari iZn, uye nhamba yeatomu ndiyo 30. Inowanikwa muchikamu chechina uye boka ⅡB re periodic table yemakemikari elements. Zinc isimbi yakareruka grey uye yechina "common" simbi. Muindasitiri yemazuva ano, zinc haidzoreki mukugadzira mabhatiri uye isimbi yakakosha. Mukuwedzera, zinc zvakare chimwe chezvinhu zvakakosha zvekutevera zvemuviri wemunhu uye inoita basa rakakosha zvakanyanya.
Zinc yakaoma kupisa mumhepo uye inobudisa chiedza chakasimba chichena muokisijeni. Pane zinc oxide pamusoro pe zinc, iyo inoburitsa utsi huchena kana ichitsva. Chinhu chikuru cheutsi chena ndeye zinc oxide, iyo isingavhari chete kupisa kwe zinc, asi inoratidzawo ruvara rwemurazvo kuti uite chiedza chakajeka. Zinc inonyungudika nyore muasidhi uye inogona nyore kutsiva goridhe, sirivha, mhangura, nezvimwe kubva mumhinduro. Iyo oxide film ye zinc ine yakakwira kunyungudika, asi kunyungudika kwesimbi zingi kwakadzikira. Saka kupisa zinc flakes pamwenje wedoro kuchanyunguduka uye kunyorovesa zinc flakes, asi haiwire pasi, chaizvo nekuda kwekuita kweiyo oxide film. Zinc inonyanya kushandiswa musimbi, simbi, michina, magetsi, makemikari, chiedza indasitiri, mauto uye mishonga minda.
gadzirisa sarudzo:
1. Bvisa pasi 360g yesimbi yesimbi uye zvishoma nezvishoma wobva wawedzera ku 3340ml ye15% sulfuric acid solution, uye kupisa kusvika 70°C kuti uite. Kana H2 isingachapfachukiri, dilue ne1200ml yemvura kugadzira zinc sulfate solution, tora 50ml, woshandisa yasara kuti ushandise gare gare. 4g ye sodium carbonate yakawedzerwa ku 50ml yemhinduro yakasvibiswa, uye iyo yakasvibiswa zinc carbonate precipitate yakashambidzwa katatu nemvura (300ml nguva imwe neimwe) kuti ishandiswe. Dissolve 7.5 g ye ferrous sulfate heptahydrate mu 500 ml yemvura, acidify ne 1 ml ye superior grade pure sulfuric acid, kupisa, uye wedzera 30% hydrogen peroxide dropwise kushandura Fe2+ ions yose mumushonga weFe3+ ions. Wedzera yakagadziriswa iron sulfate solution kune yataurwa pamusoro apa spare zinc sulfate solution, uye wedzera yakagadzirwa zinc carbonate precipitate nekukurudzira, wozopisa kusvika 30-40ºC pasi pekukurumidzira, uye rega imire. Mushure mokunge mhinduro yacho yakajeka, sefa. [ Kubviswa kweFe(OH)3 kunonaya neAs, P, Sb nezvimwe zvitsvina]. Iyo filtrate ine electrolyzed uye kukosha kwePH kunogadziriswa kuita kuti Congo ive tsvuku zvishoma yebhuruu. Panguva ye electrolysis, shandisa premium giredhi pure kana zinc flakes se cathode, industry zingi seanode, nhambwe iri pakati pemaelectrode maviri i 2-3cm, voltage pakati pemaelectrode maviri i6V, uye density iripo zvinoenderana nekupisa kwe electrolyte. Mushure mekunge 200g ye zinc yanaya, electrolyte inofanira kurapwa zvakare ne iron sulfate uye zinc carbonate maererano nenzira iri pamusoro.
2. Kugadzirira zinc kunogadzirwa nekunyungudutsa zinc blende ZnS sechinhu chikuru chakasvibirira. Indasitiri, ZnS inowanzo shandiswa oxidized uye kuverengerwa kuita oxide ine yakanaka reactivity. Zvadaro shandisa nzira yekudzikisa kupisa uye nzira ye electrolysis kugadzirira zinc. Mutero wakagadzirwa ne zinc roasting block uye hupfu hwemarasha unoiswa mu zinc smelting furnace pa 1300 ~ 1350 ° C kuti iite, simbi zinc mhute inogadzirwa nekuderedza reaction inopfuudzwa mu zinc condenser kuburikidza nemukoto, uye zinc yesimbi inobatwa. Iyo zinc yesimbi inowanikwa nenzira iyi ine hutsvina hwakanyanya. Kuti uwane yakachena zinc, vacuum distillation inodiwa.
3. Dissolve zinc oxide mu calcined material ne sulfuric acid, bvisa iron by oxidation, bvisa cobalt, mhangura, nickel uye zvimwe zvakasvibiswa ne zinc powder, wozoisa mu cell electrolytic ine lead seanode uye aluminium plate se cathode. Munguva ye electrolysis, metallic zinc inoiswa paaruminiyamu ndiro uye inopepetwa kuti ive chigadzirwa. Kuchena kwesimbi zinc inogadzirwa ne electrolysis inogona kusvika 99.99%.
Mamwe mashoko Link:https://www.wanmetal.com/
Reference source: Internet
Disclaimer: Ruzivo rwuri muchinyorwa chino nderwekureva chete, kwete sezano rakananga rekuita sarudzo. Kana usiri kuronga kutyora kodzero dzako dzemutemo, ndapota taura nesu nenguva.
Nguva yekutumira: Sep-06-2021