Yini iTitanium dioxide?
Isakhi esiyinhloko se-titanium dioxide yi-tio2, okuyinto ebalulekile yamakhemikhali ye-inorganic ngendlela eqinile noma i-powder emhlophe. Akuyona ubuthi, kunombala onzima nokukhanya, futhi kubhekwa njenge-pigment emhlophe engcono kakhulu yokwenza ngcono ubumsulwa ngokwezinto ezibonakalayo. Kusetshenziswa kabanzi ezimbonini ezinjengezimboni, amapulasitiki, irabha, iphepha, i-ink, ubumba, ingilazi, njll.
Ⅰ.I-Titanium Dioxide Imboni Chain Diagraph:
(1) I-upstream ye-titanium dioxide Imboni chain chain iqukethe izinto ezingavuthiwe, kufaka phakathi i-ilmenite, i-titanium yokugxila, i-rutile, njll;
(2) I-Midstream isho imikhiqizo ye-titanium dioxide.
(3) I-Downstream inkambu yohlelo lokusebenza ye-titanium dioxide.I-Titanium Dioxide isetshenziswa kabanzi emikhakheni ehlukahlukene efana nezingubo, amapulasitiki, ukupaka, i-ink, irabha, njll.
Ⅱ.Ukwakheka kwe-crystal ye-titanium dioxide:
I-Titanium Dioxide uhlobo lwe-polymorphous Compound, olunamafomu amathathu ajwayelekile we-crystal ngokwemvelo, okungukuthi anatase, rutile kanye neBrotoite.
Bobabili uRatale no-Anatase bangabaloluhlelo lwe-Tetrogonal Crystal System, abazinzile ngaphansi kokushisa okujwayelekile; IBrootoite ingekahlelo lwe-OrthorHmbic Crystal System, ngesakhiwo sekristalu esingazinzile, ngakho-ke inenani elincane elisebenzayo embonini njengamanje.
Phakathi kwalezi zinhlaka ezintathu, isigaba se-rutile sizinzile kakhulu. Isigaba se-Anatase sizoguqula ngokungenakuphikiswa sibe isigaba se-ruter ngenhla kwe-900 ° C, ngenkathi isigaba seBrook siyoguqulwa ngokungenakuphikiswa sibe isigaba se-ruter ngenhla kwama-650 ° C.
(1) Isigaba se-ruter titanium dioxide
Esigabeni se-rutile i-titonium dioxide, ama-athomu e-TI atholakala enkabeni ye-crystal lattice, kanti ama-athomu ayisithupha aphefumulayo atholakala emakhoneni e-titanium-oxygen octahedron. I-octahedron ngayinye ixhumeke kuma-octahedron ayi-10 azungezile (kufaka phakathi ukwaba ama-vertices ayisishiyagalombili kanye nemiphetho emibili yokwabelana), kanye nama-molecule amabili we-tio2 akha iseli leyunithi.
Umdwebo we-Schematic weseli le-crystal yesigaba se-ruter titanium dioxide (kwesobunxele)
Indlela yokuxhumanisa ye-titanium oxide octahedron (kwesokudla)
(2) Isigaba se-Anatase Titanium Dioxide
Esigabeni se-anatase titanium dioxide, i-octahedron ngayinye ye-titanium-oxygen ixhumeke kuma-octahedron ayi-8 azungezile (ama-4 ekwabelana ngama-vertices nama-vertices ama-4), nama-molecule ama-4 tio2 akha iseli yeyunithi.
Umdwebo we-Schematic weseli le-crystal yesigaba se-ruter titanium dioxide (kwesobunxele)
Indlela yokuxhumanisa ye-titanium oxide octahedron (kwesokudla)
Izindlela zokulungiselela ze-ⅲ..I-Titanium dioxide:
Inqubo yokukhiqiza ye-titanium dioxide ikakhulukazi ifaka inqubo ye-sulfuric acid nenqubo ye-chlorination.
(1) Inqubo ye-Sulfuric Acid
Inqubo ye-sulfuric acid yokukhiqizwa kwe-titanium dioxide ifaka ukusabela kwe-acidolys ye-titanium iron powder nge-sulfuric acid ehlanganisiwe ukukhiqiza i-titanium sulfate, bese kuthi i-hydrolyzed ukukhiqiza i-metatitanic acid. Ngemuva kwe-Calloination kanye nokuchotshozwa, kutholakala imikhiqizo ye-titanium dioxide. Le ndlela ingakhiqiza i-anatase ne-rutile titanium dioxide.
(2) Inqubo ye-Chlorination
Inqubo ye-chlorination ye-titanium dioxide ukukhiqizwa kubandakanya ukuxubana i-ruter noma i-high-titanium slag powder nge-coke bese wenza i-chlorination ephezulu kakhulu yokukhiqiza i-titanium tetrachloride. Ngemuva kwe-oxidation ephezulu yokushisa, umkhiqizo we-titanium dioxide utholakala ngokuhlunga, ukugeza amanzi, ukomisa, nokuchoboza. Inqubo ye-chlorination yokukhiqizwa kwe-titanium dioxide ingakhiqiza kuphela imikhiqizo ye-ruter.
Ungakuhlukanisa kanjani ubuqiniso be-titanium dioxide?
I. Izindlela ezibonakalayo:
(1IsihlehlukeneIndlela elula ukuqhathanisa ukuthungwa ngokuthinta. I-Fake Titanium Dioxide imizwa ebushelelezi, kanti i-Titanium Dioxide yangempela izwakala inenkani.
(2IsihlehlukeneNgokuhlanza amanzi, uma ubeka i-titanium dioxide esandleni sakho, okulula okulula ukugeza, kuyilapho owokuqala akulula ukugeza.
(3IsihlehlukeneThatha inkomishi yamanzi ahlanzekile bese uphonsa i-titonium dioxide kuyo. Lowo ontantayo ebusweni uyiqiniso, kuyilapho lowo ohlala ezansi kungamanga (le ndlela kungenzeka ingasebenzi imikhiqizo eyenziwe yasebenza noma eguquliwe).
(4IsihlehlukeneHlola i-solubity yayo emanzini. Ngokuvamile, i-titanium dioxide incane emanzini (ngaphandle kwe-titanium dioxide eyenzelwe ngqo amapulasitiki, inks, kanye nohlobo oluthile lwe-titonium lwe-titolium, olungafakwanga emanzini).
II. Izindlela zamakhemikhali:
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(2) Uma i-Lithopone ingeziwe: Ukungeza i-Dluli Sulfuric acid noma i-hydrochloric acid kuzokhiqiza iphunga leqanda elibolile.
(3) Uma isampula yi-hydrophobic, engeza i-hydrochloric acid ngeke kubangele ukusabela. Kodwa-ke, ngemuva kokumanzisa nge-ethanol bese wengeza i-hydrochloric acid, uma kukhiqizwa ama-bubble, kufakazela ukuthi isampula iqukethe i-calcium calbonate kafula.
III. Kukhona nezinye izindlela ezimbili ezinhle:
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. Ukukala ukudluliselwa kwayo okukhanyayo. Ukwehla kokukhanya okukhanyayo, yiqiniso le-titanium dioxide powder.
Isikhathi Seposi: Meyi-31-2024
