ISINGENISO SOKUFUNDA IZINZUZO ZOKUGCINA, Ngabe i-zen zinc ihlanganiswa kanjani?
I-Zinc yinto yamakhemikhali. Uphawu lwayo lwamakhemikhali yi-ZN, nenombolo yalo ye-athomu ingu-30. Itholakala esikhathini sesine kanye neqembu ⅱb lethebula lesikhathi lezakhi zamakhemikhali. I-zinc iyinsimbi yokuguqula empunga ekhanyayo nensimbi yesine "ejwayelekile". Embonini yanamuhla, i-zinc ayinakuphikiswa ekukhiqizweni kwebhethri futhi kuyinsimbi ebaluleke kakhulu. Ngaphezu kwalokho, i-zinc nayo ingenye yezinto ezibalulekile zokulandela umzimba womzimba womuntu futhi idlala indima ebaluleke kakhulu.
I-zinc kunzima ukuyishisa emoyeni futhi ikhipha ukukhanya okumhlophe okumhlophe emoyeni. Kukhona ungqimba lwe-zinc oxide ngaphezulu kwe-zinc, ekhipha intuthu emhlophe lapho ishisa. Ingxenye eyinhloko yentuthu emhlophe yi-zinc onide, engavimbi nje ukushiswa kwe-zinc, kodwa futhi ikhombisa umbala welangabi ukuze wakhe ukukhanya okuphuzi. I-zinc ilulaza kalula nge-acid futhi ingashintsha kalula igolide, isiliva, ithusi, njll. Kukhambi. Ifilimu ye-oxide ye-zinc inendawo ephezulu yokuncibilika, kepha iphuzu elincibilikayo le-zinc yensimbi liphansi kakhulu. Ngakho-ke ukushisa i-zinc flakes esingutsheni lotshwala kuzoncibilika futhi kuthambe ama-zinc flakes, kepha kungaweli phansi, ngokunembile ngenxa yomphumela wefilimu ye-oxide. I-zinc isetshenziswa ikakhulukazi ngensimbi, metallurgy, imishini, ugesi, imboni ekhanyayo, izinkambu zamasosha kanye nezemithi.
ukuxazulula isinqumo:
1. Vala phansi 360g ye-zinc yensimbi futhi kancane kancane uyingeze ku-3340ml we-15% i-sulfuric acid solution, nokushisa kuya ku-70 ° C ukuphendula. Lapho i-H2 ingasachichimi, igcwaliswe ngamanzi ayi-1200ml ukulungiselela isixazululo se-zinc sulfate, khipha i-50ml, bese usebenzisa ukuphumula ukuze kusetshenziswe kamuva. I-4G ye-sodium carbonate yengezwe ku-50ml yesixazululo esihlanjululwe, kanye ne-zinc carbonate ethosiwe ye-zinc carbonate yagezwa kathathu ngamanzi (300ml isikhathi ngasinye) ukuze isetshenziswe. Dissolve 7.5 g we-Ferrous Sulfate Shiptahydrate ngo-500 ml wamanzi, i-acidfy nge-1 ml yebanga eliphakeme sulfuric acid, ukushisa, bese wengeza ama-30% hydrogen peroxide ukwehlisa i-FE2 + i-ions. Faka isixazululo se-sulfate esilungiselelwe esilungiselelwe esikhangisweni esishiwo ngenhla se-zinc sulfate solution, bese ufaka i-zinc carbonate elungiselelwe ngokuvusa, bese ukushisa ku-30- 40ºC ngaphansi kokushukumisa ngokushesha, bese ukuvumela ukuma. Ngemuva kokuthi isixazululo sicacile, hlunga. [Ukususwa kwe-FE (oh) ama-3 aqondile anjengokuthi, k, sb nokunye ukungcola]. I-filtrate i-electrolyzed nenani le-PH liyalungiswa ukwenza iCongo ibomvu kancane kancane. Ngesikhathi se-electrolysis, sebenzisa ibanga elihlanzekile le-premium elihlanzekile noma i-zinc njenge-cathode, i-zinc yezimboni njenge-anode, i-voltage phakathi kwama-electrodes amabili, kanye nobuningi bama-electrodes ancike ekushiseni kwe-electrolyte. Ngemuva kokuthi i-200g ye-zinc inembe, i-electrolyte kumele iphathwe futhi nge-iron sulfate kanye ne-zinc carbonate ngokwendlela engenhla.
2. Ukulungiselela i-zinc kulungiselelwe ngokubhema i-zinc blende zns njengezinto eziphambili ezingavuthiwe. I-Indertister, ama-ZNS avame ukufakwa e-oxidided futhi athwelwe abe yi-oxide ngokuvuselelwa okuhle. Ngemuva kwalokho sebenzisa indlela yokunciphisa okushisayo nendlela ye-electrolysis ukulungiselela i-zinc. Inkokhiso eyenziwe nge-Zinc Roasting Block kanye ne-coal powder ifakwa esithandweni somlilo ngo-1300 ~ 1350 ° C ngempendulo, i-wetal zinc vapor ekhiqizwa ukusabela kwe-zinc idluliselwa emshadweni, futhi i-zinc yensimbi iyathunjwa. I-zinc yensimbi etholwe ngale ndlela inokuqukethwe okuphezulu okungukungcola okuphezulu. Ukuthola i-purer zinc, kudingeka ukufakwa kwe-vacuum.
3 Ngesikhathi se-electrolysis, i-zinc yensimbi ifakwa epuletini ye-aluminium bese ihluthwe ukuze ibe ngumkhiqizo. Ubumsulwa be-zinc yensimbi ekhiqizwa nge-electrolysis ingafinyelela ku-99.99%.
Imininingwane engaphezulu Xhumanisa:https://www.wanmetal.com/
Umqondo wereferensi: I-Intanethi
Ukuzikhulula: Imininingwane equkethwe kule ndatshana ingesethenjwa kuphela, hhayi njengesiphakamiso sokwenza izinqumo ngokuqondile. Uma ungahlosile ukwephula amalungelo akho angokomthetho, sicela uxhumane nathi ngesikhathi.
Isikhathi sePosi: Sep-06-2021