Intshayelelo yolwazi lwe-zinc, i-zinc yensimbi yenziwa njani?
I-Zinc yinto yekhemikhali. Isimboli salo sekhemikhali yiZn, kwaye inombolo ye-athomu yi-30. Ifumaneka kwixesha lesine kunye neqela ⅡB letafile yeperiodic yezinto zekhemikhali. I-Zinc yintsimbi yokuguquka kwegrey kunye neyesine "eqhelekileyo" yesinyithi. Kumashishini anamhlanje, i-zinc ayinakuphinda ifakwe kwi-battery yemveliso kwaye iyintsimbi ebaluleke kakhulu. Ukongeza, i-zinc yenye yezinto ezibalulekileyo zokulandelela umzimba womntu kwaye idlala indima ebaluleke kakhulu.
I-Zinc inzima ukutshisa emoyeni kwaye ikhupha ukukhanya okumhlophe okunamandla kwi-oxygen. Kukho umaleko we-zinc oxide kumphezulu we-zinc, okhupha umsi omhlophe xa isitsha. Inxalenye ephambili yomsi omhlophe yi-zinc oxide, engavimbeli kuphela ukutshiswa kwe-zinc, kodwa iphinda ibonise umbala womlilo ukwenza ukukhanya okukhanyayo. I-Zinc i-soluble ngokulula kwi-asidi kwaye iyakwazi ukuthatha indawo yegolide, isilivere, ubhedu, njl njl. kwisisombululo. Ifilimu ye-oxide ye-zinc ine-high melting point, kodwa indawo yokunyibilika ye-zinc yensimbi iphantsi kakhulu. Ngoko ukufudumeza i-zinc flakes kwisibane sotywala kuya kunyibilika kwaye kunciphise i-zinc flakes, kodwa ayiwi phantsi, ngokuchanekileyo ngenxa yempembelelo yefilimu ye-oxide. I-Zinc isetyenziswa kakhulu kwintsimbi, isinyithi, oomatshini, umbane, iikhemikhali, imboni yokukhanya, imikhosi yasemkhosini kunye neyonyango.
isisombululo sokusombulula:
1. Vacuum phantsi i-360g yensimbi ye-zinc kwaye ngokucothayo wongeze kwi-3340ml ye-15% yesisombululo se-sulfuric acid, kunye nobushushu ukuya kuma-70 ° C ukwenzela ukusabela. Xa i-H2 ingasaphumi, yihlambulule nge-1200ml yamanzi ukuze ulungise isisombululo se-zinc sulfate, ukhuphe i-50ml, kwaye usebenzise intsalela ukusetyenziswa kamva. I-4g ye-sodium carbonate yongezwa kwi-50ml yesisombululo se-diluted, kunye ne-precipitated zinc carbonate precipitate ihlanjwe kathathu ngamanzi (300ml ngexesha ngalinye) ukuze isetyenziswe. Dibanisa i-7.5 g ye-ferrous sulfate heptahydrate kwi-500 ml yamanzi, i-acidify nge-1 ml ye-grade ephezulu ye-asidi ye-sulfuric ecocekileyo, ubushushu, kwaye udibanise i-30% ye-hydrogen peroxide dropwise ukuguqula zonke ii-ion ze-Fe2+ kwisisombululo kwi-Fe3+ ion. Yongeza isisombululo se-iron sulfate esilungisiweyo kwisisombululo se-zinc sulfate echazwe ngasentla, kwaye wongeze i-zinc carbonate precipitate elungisiweyo ngokuvuselela, emva koko ubushushu ukuya kwi-30-40ºC phantsi kokuvuselela ngokukhawuleza, kwaye uyiyeke ime. Emva kokuba isisombululo sicacile, sihluze. [ Ukususwa kwe-Fe(OH)3 idlula nge-As, P, Sb kunye nobunye ukungcola]. Ifiltrate yenziwe nge-electrolyzed kwaye ixabiso le-PH lihlengahlengiswe ukwenza iCongo ibebomvu kancinane eluhlaza okwesibhakabhaka. Ngexesha le-electrolysis, sebenzisa i-premium grade pure okanye i-zinc flakes njenge-cathode, i-zinc ye-industrial njenge-anode, umgama phakathi kwee-electrode ezimbini yi-2-3cm, umbane phakathi kwee-electrode ezimbini yi-6V, kwaye ubuninzi bangoku buxhomekeke kubushushu be-electrolyte. Emva kokuba i-200g ye-zinc iphelile, i-electrolyte kufuneka iphathwe kwakhona nge-iron sulfate kunye ne-zinc carbonate ngokwendlela engentla.
2. Ukulungiswa kwe-zinc kulungiswa ngokunyibilikisa i-zinc blende i-ZnS njengeyona nto iphambili ekrwada. Kwimizi-mveliso, i-ZnS idla ngokufakwa i-oxid kwaye ibalwe kwi-oxide enokuphinda kusebenze kakuhle. Emva koko sebenzisa indlela yokunciphisa i-thermal kunye nendlela ye-electrolysis ukulungiselela i-zinc. Umrhumo owenziwe nge-zinc block block kunye nomgubo wamalahle ufakwa kwi-zinc smelting furnace kwi-1300 ~ 1350 ° C yokusabela, umphunga wensimbi owenziwe yi-reaction reaction yokunciphisa udluliselwe kwi-condenser ye-zinc ngokusebenzisa i-conduit, kwaye i-zinc yensimbi iyabanjwa. I-zinc yensimbi efunyenwe ngale ndlela inomxholo wokungcola okuphezulu. Ukufumana i-zinc ecocekileyo, i-vacuum distillation iyafuneka.
3. Dissolve i-zinc oxide kwi-calcined material kunye ne-sulfuric acid, susa isinyithi nge-oxidation, susa i-cobalt, ithusi, i-nickel kunye nezinye izinto ezingcolileyo kunye ne-zinc powder, uze uyibeke kwiseli ye-electrolytic kunye ne-lead njenge-anode kunye ne-aluminium plate njenge-cathode. Ngexesha le-electrolysis, i-zinc yensimbi ifakwe kwipleyiti ye-aluminiyam kwaye ihlulwe ukuze ibe yimveliso. Ukucoceka kwe-zinc yensimbi eveliswa yi-electrolysis inokufikelela kwi-99.99%.
Iinkcukacha ezingakumbi ikhonkco:https://www.wanmetal.com/
Umthombo weReferensi: I-Intanethi
Ukuziphendulela: Ulwazi oluqulethwe kweli nqaku lwenzelwe ireferensi kuphela, hayi njengengcebiso yokwenziwa kwesigqibo ngokuthe ngqo. Ukuba awuzimiselanga ukunyhasha amalungelo akho omthetho, nceda uqhagamshelane nathi kwangethuba.
Ixesha lokuposa: Sep-06-2021