
Cyanide, motsoako oa lik'hemik'hale o nang le sehlopha sa cyano se nang le k'habone athomo e meraro - e hokahaneng le athomo ea naetrojene, e tsebahala haholo ka chefo ea eona e phahameng. Leha ho le joalo, e boetse e bapala likarolo tse 'maloa tsa bohlokoa liindastering tse fapaneng ka lebaka la thepa ea eona e ikhethang ea lik'hemik'hale.
1. Indasteri ea Meepo
E 'ngoe ea lisebelisoa tsa bohlokoa ka ho fetisisa tsa Nako e teng Indasteri ea meepo, haholo-holo ha ho ntšoa litšepe tsa bohlokoa tse kang khauta le silevera. Mokhoa ona o bitsoa cyanidation kapa the cyanide Tshebetso.
Gold
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Ts'ebetso ea Ore: Litharollo tsa cyanide li sebelisoa ho qhaqha khauta le silevera ho tloha ore e epiloeng. Khauta, ka sebopeho sa eona sa tlhaho, e na le bokhoni bo batlang bo le holimo ba oxidation. Empa ha boteng ba li-ion tsa cyanide (\(CN^-\)), khauta e etsa ion e rarahaneng e qhibilihang. Tšebelisano ena ea lik'hemik'hale e nolofalletsa khauta ho qhibiliha ka har'a motsoako oa cyanide, ho e arola likarolong tse ling tsa tšepe.
Ka mokhoa o ts'oanang bakeng sa silevera, e sebetsana le cyanide ka mokhoa o ts'oanang ho etsa motsoako o qhibilihang, o lumellang hore e ntšoe ho matrix a ore.
Ka mor'a hore litšepe tsa bohlokoa li qhibilihe ka har'a tharollo ea cyanide, li ka fumanoa ka mekhoa ea electrochemical e kang electrowinning. Ka electrowinning, motlakase oa motlakase o fetisoa ka tharollo, o etsa hore li-ion tsa tšepe li kenngoe holim'a cathode. Mokhoa o mong ke oa pula, mohlala, ka ho eketsa tšepe e sebetsang haholoanyane joalo ka zinki. Zinc e tlosa khauta kapa silevera ho ion e rarahaneng ka tharollo, e nolofalletsang ho hlaphoheloa ha litšepe tsa bohlokoa.
2. Ho Etsa Lik'hemik'hale
Lik'hemik'hale tsa cyanide ke litšehare tsa bohlokoa tlhahisong ea mefuta e mengata ea lik'hemik'hale.
dipolasetiki
Li-derivatives tsa cyanide li sebelisoa ha ho etsoa rabara ea maiketsetso le polasetiki. Mohlala, acrylonitrile, e nang le sehlopha sa cyano, ke monoma ea bohlokoa tlhahisong ea polyacrylonitrile (PAN). PAN e sebelisetsoa ho etsa likhoele tsa acrylic, tse sebelisoang indastering ea masela ho etsa liaparo, lik'hapete le liphahlo. Ka mokhoa oa polymerization, limolek'hule tsa acrylonitrile li hokahana hammoho ho etsa liketane tse telele tsa polyacrylonitrile.
Lidae
Lidae tse ling tsa masela li entsoe ka lik'hemik'hale tse thehiloeng ho cyanide. Cyanide - e nang le metsoako e ka sebelisoa ho hlahisa lihlopha tse sebetsang ka har'a limolek'hule tsa dae, tse ka amang 'mala oa tsona, ho qhibiliha le ho potlaka ha tsona. Mohlala, lidae tse ling tse sebetsang tse ka etsang li-covalent bond le likhoele tsa masela nakong ea ho daea li kanna tsa ba le lihlopha tse sebetsang tse tsoang ho cyanide, tse tlatselletsang bokhoni ba dae ba ho khomarela le ho mebala lesela ka nepo.
meriana
Cyanide e bapala karolo ea tlhahiso ea lithethefatsi le metsoako e sebetsang ea meriana (APIs). Le hoja ts'ebeliso ea cyanide meriana e laoloa haholo ka lebaka la chefo ea eona, e ka kenya letsoho liketsong tsa lik'hemik'hale nakong ea ho kopanya limolek'hule tse rarahaneng tsa organic. Mohlala, litseleng tse ling tsa mehato e mengata ea maiketsetso ea lithethefatsi, cyanide e ka sebelisoa ho hlahisa sehlopha sa cyano ka molek'hule. Sehlopha sena sa cyano se ka boela sa fetoloa ka mekhoa e kang hydrolysis ho etsa carboxylic acids, kapa ho fokotseha ho etsa li-amine, e leng lihlopha tsa bohlokoa tse sebetsang lithethefatsing tse ngata.
3. Electroplating le Metal Treatment
Litharollo tsa cyanide li sebelisoa haholo lits'ebetsong tsa electroplating.
Ho Etsa Mabenyane
Ha ho etsoa mabenyane a boleng bo holimo, ho sebelisoa litharollo tsa electroplating tsa cyanide ho beha litšepe tse kang khauta, silevera le koporo holim'a bokaholimo. Cyanide e sebetsa e le ntho e rarahaneng, e thusang ho finyella ho roala tšepe e boreleli, e tšoanang le e khomarelang. Ka mohlala, ka electroplating ea khauta, motsoako oa khauta - cyanide ka tharollo o lumella ho laola hantle tekanyo ea deposition le boleng ba lera la khauta holim'a substrate ea mabenyane. Nakong ea electroplating, motsoako oa khauta - cyanide o ikarola ka har'a cathode, 'me li-ion tsa khauta li fokotseha ho etsa lesela le lesesaane la khauta holim'a mabenyane.
Electronics
Indastering ea elektronike, electroplating e thehiloeng ho cyanide e sebelisoa ho koahela likarolo. Sena se ntlafatsa conductivity le corrosion resistance ea likarolo tsa elektroniki. Ka mohlala, electroplating ea koporo - cyanide e sebelisoa ho kenya lesela le tšesaane la koporo holim'a liboto tsa potoloho tse hatisitsoeng (PCBs). Lera koporo e fana ka conductivity e ntle ea motlakase, 'me tšebeliso ea cyanide ka bateng electroplating thusa ho fumana junifomo le sekoli - mahala koporo barbotage, e leng ke ea bohlokoa bakeng sa tshebetso e nepahetseng ea PCB.
4. Lisebelisoa tse ling tsa Indasteri
Ho tima Metal
Metsoako ea cyanide e ka sebelisoa kalafong ea mocheso ea litšepe, haholo ts'ebetsong e bitsoang cyaniding. Ka cyaniding, likarolo tsa tšepe li futhumatsoa ka bateng e nang le letsoai la cyanide. Mokhoa ona o kenya carbon le naetrojene ka holim'a tšepe, e thatafatsa. Ha cyanide e senyeha mochesong o phahameng haholo, liathomo tsa carbon le nitrogen li kena ka holim'a tšepe, 'me li etsa metsoako e thata e kang iron nitrides le carbides. Lik'hemik'hale tsena li matlafatsa ts'ebetso ea tšepe le mokhathala, e etsa hore e tšoarelle haholoanyane bakeng sa lisebelisoa tse fapaneng.
Tlhaho ea Organic
Cyanide e sebelisetsoa ho hlahisa sehlopha sa cyano (\(-CN \)) ka limolek'hule tsa manyolo, ho etsa manyolo. li-cyanides (li-nitriles). Li-nitrile tsena li ka fetoloa ho ea ho lihlopha tse ling tse sebetsang. Ka mohlala, hydrolysis ea nitrile boteng ba asiti kapa setsi se ka hlahisa asiti ea carboxylic. Ho fokotseha ha nitrile ho ka lebisa ho thehoeng ha amine. Sena se etsa hore cyanide e be sebaka sa bohlokoa sa moaho ha ho etsoa metsoako e mengata e fapaneng ea lintho tse phelang, ho kenyeletsoa le tse sebelisoang ho hlahisa litlolo tse nkhang hamonate, litatso le lik'hemik'hale tse ling tse ikhethang.
Tlhahiso ea Lik'hemik'hale Tse Ling
Cyanide e sebelisoa ho hlahisa lik'hemik'hale tse kang cyanide chloride. Cyanuric chloride ke karolo e bohareng ea bohlokoa tlhahisong ea meriana e bolaeang likokoanyana, chefo e bolaeang likokoanyana le dae. E hlahisoa ke trimerization ea cyanogen chloride, e atisang ho etsoa ho tloha mehloling ea cyanide. Ka phetoho ena ea lik'hemik'hale, cyanide e kenya letsoho ho theheng metsoako e hlokahalang bakeng sa liindasteri tse fapa-fapaneng, ho tloha ho tsa temo ho ea ho dae ea masela.
Qetellong, leha e na le chefo e ngata, ts'ebetso e ikhethang ea lik'hemik'hale ea cyanide e e etsa motsoako oa bohlokoa lits'ebetsong tse ngata tsa indasteri. Leha ho le joalo, ka lebaka la chefo ea eona e feteletseng, mehato e tiileng ea tšireletso le melaoana ea tikoloho e teng ho netefatsa hore e tšoaroa hantle, e sebelisoa le ho lahloa maemong a indasteri.
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