Wakili wakili wakili ne wanda ke canza hydrophobicity na ma'adinai na ma'adinai kuma yana sa iyawar jiragen ruwan ma'adinai ke bin bubbles. Mafi mahimmancin rukuni don zaɓar shine tukwane. Yana da yawancin kaddarorin asali guda biyu: (1) ana iya setively adsorbed a saman ma'adanai;
(2) Zai iya inganta hydrophobicity na ma'adinai na ma'adinai, yana sauƙaƙa bin kumfa, ta hakan ne ta inganta yawan ma'adinai.
Xanthat yana daya daga cikin mahimman masu karuwa.
Kaddarorin xanthate
Xanthate shine Xanthate, wanda sunan SMinanti ne Hydrocarbyl Dithiocarbonate. Ana iya ɗaukar shi azaman samfurin carbonate wanda aka maye gurbin ion ɗaya ta hanyar hydrocarbyl na hydrocarbyl da kayan aikin hydrocarbyl suka maye gurbinsu. Gabaɗaya ne dabara na r-ocssme, kamar su sodium ethyl xanthate. R a cikin janar for tsari shine sau da yawa hydrocarbon kungiyar CNH2N + 1, inda N = 2 ~ 6, kuma da wuya R shine (+), k (+ ), da kayayyakin masana'antu yawanci na (+). Abubuwan kaddarorin Kaxanthate da sodium Xanthate suna da rauni iri ɗaya, amma kaxanate ya fi tsayayye fiye da sodium xanthate yana da rauni sosai, kuma farashin sodium xanthat. Duk suna cikin sauƙi mai narkewa cikin ruwa, barasa da acetone. Dangane da yawan carbon atoms a cikin kungiyar Xanthate, ana kiransu ethyl sodium Xanthate, da sauransu.
Yawancin lokaci, methyl xanthate da ethyl xanthat ana kiranta ƙananan xanthate, da waɗanda ke da butyl kuma a sama ana kiran sa xanthate. Xanthate shine crystalline ko foda. Impurities yawanci rawaya-kore ko orange-ja-ja-ja da yawa tare da yawan 1.3 ~ 1.7 g / cm3. Yana da kamshi mai ban sha'awa kuma yana da guba (matsakaici). Short-sarkar xanthate yana da sauƙin narkewa cikin ruwa, mai narkewa a cikin acetone da barasa, kuma dan kadan mai narkewa a cikin ether da petrooleum ether. Sabili da haka, ana iya amfani da hanyar acetone ta hanyar haɗuwa don sake karantawa da tsarkake xanthate.
Aikace-aikace da adana xanthate
Ikon da aka tattara da kuma zartar da xanthate don ma'adanai iri daban-daban suna da alaƙa da samfurin m karfe mai dacewa Xantate. Yawancin ma'adanai na yau da kullun ana raba su zuwa rukuni uku da suka danganci ma'adanan ƙarfe na Ulynl Xanthate ƙasa da 4.9 ^ -9. Metals wanda ya fada cikin wannan rukunin ya hada da AU, Ag, HG, CU, CO, ETC, ETC, ETC, ETC. ma'adanan sulfde na irin wadannan abubuwan. (2) Ma'adanai na Serdophilic kashi: Siffofin Sallarfin Karfe Ethyl Xanthate ya fi 4.9 ^ -9 amma kasa da 7 × 10 × 10 ^ -2. Metals wanda ya fada cikin wannan rukunin sun haɗa da Zn, fe, MN, da sauransu Xanthate yana da wani ikon samar da ma'adanan sulfide na ƙarfe na irin waɗannan abubuwan, amma in mun gwada da rauni. Idan ana amfani da Xanthate a matsayin mai tattarawa, yana da sauƙin samun ma'adinai rabuwa da ma'adanan sulfide waɗanda ke da ma'adinai masu calcophile da ƙananan ma'adanai waɗanda ke da siffofin subfide. Kodayake sililan samfuran ethyl xanthate na combalt da nickel basu da 10 ^ -1 kuma sun kasance abubuwan da suka shafi ma'adanai da ma'adanai da yawa tare da ma'adanan urfide. (3) Lithophile menus: Siffiction samfurin kayan ƙarfe na mahaifa ya fi 4.9 × 10 ^ -2. Metals na wannan rukunin sun haɗa da ca, MG, Ba, da dai sauransu. Ba za a iya kafa fim ɗin da aka yi amfani da shi ba Tattara tasiri kan wannan ma'adinin karfe. Saboda haka, xanthat ba a amfani da shi azaman mai tattarawa lokacin rarraba alkali karfe da alkaline ƙasa ma'adanai ma'adinai, ma'adanai da silili ma'adanai. Gabaɗaya, samfurin samfurin sulfide na ƙarfe ya yi ƙanƙan da samfuri mai narkewa na ethyl xanthate. Dangane da ka'idodin sunadarai, ba shi yiwuwa a yi xanthate X (-) don amsawa tare da saman ma'adanan sulfide da maye gurbin s (2-). Sai kawai lokacin da saman ma'adinan sulfide na daɗaɗɗen abu ne, da s (2-) a saman ma'adinan sulfide na one (-), S2o3 (2-), S2o3 (2-), S2o3 ( 2-), da bayan plasma, karfe lokacin da Sallarfin samfurin Xanthate ya karami fiye da samfurin da ake amfani da shi na oxide na ƙarfe mai dacewa, yana yiwuwa ga anion mai dacewa X (-) Don maye gurbin girbin da ya dace da ƙarfe na ƙarfe a saman ma'adinan sulffie na ƙarfe. Ana amfani da Xanthate a matsayin mai tattarawa don karafa na halitta (kamar AU, Ag, Cu, da sauransu. Don hana hydrolysis, bazuwar hade da hadawa da hadawa da xanthate, xanthate ya kamata a adana a cikin kwantena na Airthight. Guji lamba tare da iska mai laushi da ruwa, kula da ruwayar ruwa da danshi-hujja, kuma bai kamata a fallasa su ga rana ko adanawa na dogon lokaci ba. Ya kamata a adana shi a cikin sanyi, bushe da kuma ventilated wuri. Bai kamata a rage mafita na Xantate na Xanthate ba tsawon lokaci, kuma bai kamata a yi amfani da ruwan zafi don shirya maganin xantatate ba. An yi amfani da mafi kyawun maganin Xantate a kan canzawa, kuma taro na Xanthate don samarwa yawanci 5%.
Lokaci: Oct-10-2024
