Matsayin Ammonium Sulfate a Tsarin Ma'adinai

Gabatarwa

Sarrafa ma'adinai muhimmin mataki ne a cikin haƙar ma'adanai masu mahimmanci daga ma'adanai. Daga cikin dabarun da ake amfani da su, Flotation yana ɗaya daga cikin hanyoyin da aka fi amfani da su. A cikin wannan tsari, Ammonium sulfate yana taka muhimmiyar rawa, yana ba da gudummawa ga rabuwa da dawo da ma'adanai cikin inganci. Wannan labarin zai bincika ayyuka da yawa na ammonium sulfate a cikin sarrafa ma'adanai , yana zurfafa cikin hanyoyinsa da aikace-aikacensa.

Abubuwan da ke cikin Ammonium Sulfate

Ammonium sulfate shine farin crystalline mai ƙarfi. Yana narkewa cikin sauƙi a cikin ruwa, wanda shine maɓalli mai mahimmanci don aikace-aikacensa a cikin sarrafa ma'adinai. A ƙarƙashin yanayi na al'ada, fili yana da ingantaccen tsarin sinadarai. Amma idan aka shigar da shi cikin yanayin sarrafa ma'adinai, zai iya shiga cikin halayen sinadarai daban-daban.

Ayyuka a cikin Flotation

A matsayin Mai Tarin Tara

A cikin tsarin tafiyar da ruwa, masu tara abubuwa sune abubuwan da suke zaɓan maƙalla a saman ma'adinan da aka yi niyya, suna sanya su hydrophobic kuma suna ba da damar raba su ta hanyar flotation. Ammonium sulfate na iya haɓaka hulɗar tsakanin masu tarawa da ma'adanai. Misali, a cikin yawo na wasu ma'adanai na sulfide, ammonium sulfate na iya amsawa tare da saman ma'adinai, yana canza halayen sinadarai. Wannan gyare-gyare yana inganta tallan masu tarawa, irin su xanthates, a kan saman ma'adinai. Abubuwan ions a cikin ammonium sulfate na iya yin hulɗa tare da ions na ƙarfe akan saman ma'adinai, samar da gidaje ko canza cajin saman. Wannan canji a cikin abubuwan da ke cikin ƙasa yana ƙaruwa da alaƙa tsakanin mai tarawa da ma'adinai, inganta haɓakar haɓakar ma'adinai.

A matsayin mai daidaita pH

Ƙimar pH na ɓangaren litattafan almara mai mahimmanci abu ne mai mahimmanci wanda ke rinjayar halin hawan ruwa na ma'adanai. Ammonium sulfate na iya aiki azaman mai daidaita pH a wasu lokuta. Lokacin da aka narkar da a cikin ruwa, ammonium sulfate yana tafiya ta hanyar sinadarai wanda ke fitar da ions hydrogen, wanda dan kadan ya sa ɓangaren litattafan almara. A cikin yawo na wasu ma'adanai, kamar wasu ma'adanai na oxide, ana buƙatar takamaiman kewayon pH don mafi kyawun ruwa. Ta hanyar daidaita pH tare da ammonium sulfate, ana iya canza abubuwan da ke cikin ma'adanai. Misali, a cikin yawo na wasu ma'adanai na jan karfe oxide, yanayin acidic da aka samar da ammonium sulfate zai iya inganta kunna saman ma'adinan, yana mai da hankali ga ayyukan masu tattarawa kuma don haka inganta farfadowar ruwa.

A Matsayin Mai Tashin Hankali

A cikin hadadden tsarin ma'adinai inda ma'adanai da yawa ke kasancewa, ana amfani da abubuwan rage damuwa don hana motsin ma'adinan da ba a so. Duk da haka, a wasu yanayi, yawan amfani da abubuwan rage damuwa na iya haifar da danne ma'adinan da aka yi niyya suma. Ammonium sulfate na iya taka rawa wajen magance matsanancin damuwa. Misali, a cikin yawo na gubar - ores na zinc, idan an ƙara yawan adadin abin damuwa don hana ma'adinan zinc, hakanan yana iya yin mummunan tasiri akan hawan ma'adinan gubar. Ammonium sulfate na iya yin hulɗa tare da matsanancin damuwa ko samfuran amsawa a cikin ɓangaren litattafan almara. Yana iya rushe samuwar fina-finai masu hanawa a saman ma'adinan da aka yi niyya ko rage tallan abubuwan damuwa akan ma'adinan da aka yi niyya, ta yadda za a dawo da floatability na ma'adanai masu niyya.

A cikin Ma'adinan Oxide

1. Ma'adanai na Copper Oxide : Ma'adanai na Copper oxide sau da yawa suna da wahalar shawagi idan aka kwatanta da ma'adanai na copper sulfide. Ana iya amfani da Ammonium sulfate wajen shawagi na ma'adanai na copper oxide ta hanyoyi da dama. Da farko, ana iya amfani da shi tare da sinadarin sulfide, kamar sodium sulfide. Ammonium sulfate yana taimakawa wajen aiwatar da sulfidation ta hanyar haɓaka amsawar tsakanin wakilin sulfide da saman ma'adinan copper oxide. Yana ƙara narkewar wasu ions na ƙarfe akan saman ma'adinan, yana sauƙaƙa ƙirƙirar Layer na sulfide mai amsawa. Wannan saman da aka rufe da sulfide yana samun sauƙin kamawa ta hanyar masu tarawa kamar xanthates. Na biyu, ammonium sulfate na iya kunna saman ma'adinan copper oxide kai tsaye. ions da ke cikin ammonium sulfate na iya hulɗa da saman ma'adanai na copper oxide, yana canza cajin saman da kuma haɓaka shaye-shayen masu tarawa. Misali, a cikin shawagi na malachite, ɗaya daga cikin ma'adanai na copper oxide na gama gari, an nuna cewa ƙara ammonium sulfate yana inganta murmurewa sosai na shawagi.

2. Ma'adanai na Lead Oxide : Kamar ma'adanai na jan ƙarfe, ma'adanai na lead oxide suma suna buƙatar takamaiman magani don ingantaccen flotation. Ana iya amfani da Ammonium sulfate don inganta flotation na ma'adanai na lead oxide. A cikin tsarin kafin sulfidation na ma'adanai na lead oxide, ammonium sulfate na iya haɓaka tasirin sulfidation. Yana taimakawa wajen samar da fim ɗin sulfide mai kama da juna a saman ma'adinai. Bugu da ƙari, ammonium sulfate na iya daidaita sinadaran ɓangaren litattafan ta hanyar da ke haɓaka shaye-shayen masu tarawa akan saman ma'adinan lead oxide. Ta hanyar inganta adadin ammonium sulfate da aka ƙara, za a iya inganta zaɓin da dawo da ma'adanai na lead oxide a cikin tsarin flotation.

A cikin Sulfide Mineral Flotation

1. Pyrite Flotation : Pyrite wani sinadari ne na sulfide gama gari. A wasu lokuta, yayin da ake shawagi da ma'adanai masu mahimmanci na sulfide, pyrite kuma yana iya shawagi tare da su, wanda zai iya rage matakin tattarawar ƙarshe. Ana iya amfani da ammonium sulfate don rage zafin pyrite. Idan aka ƙara shi a cikin ɓangaren litattafan flotation, ammonium sulfate na iya hulɗa da saman pyrite. Yana iya samar da wani Layer a saman pyrite wanda ke hana shaye-shayen masu tarawa akan pyrite, yayin da ba ya shafar yuwuwar shawagi na ma'adanai masu mahimmanci na sulfide. Wannan raguwar pyrite na zaɓi yana taimakawa wajen samun babban taro na ma'adanai da ake so.

2. Tafkin Tagulla - Zinc Sulfide Flotation : A cikin tafkin tagulla - zinc sulfide ma'adanai, raba ma'adanai na tagulla da zinc aiki ne mai wahala. Ana iya amfani da Ammonium sulfate don daidaita yanayin tafkin waɗannan ma'adanai. Misali, ana iya amfani da shi don kunna ma'adanai na tagulla yayin da ake danne ma'adanai na zinc a ƙarƙashin wasu yanayi. Ta hanyar sarrafa yawan ammonium sulfate da sauran abubuwan da ke haifar da flotation, da kuma pH na ɓangaren litattafan, yana yiwuwa a sami mafi kyawun rabuwar ma'adanai na tagulla da zinc, inganta murmurewa da kuma matsayin tagulla da zinc concentrates.

Case Nazarin

1. Ma'adinan Tagulla a Kudancin Amurka : A wani babban aikin haƙar tagulla a Kudancin Amurka, ma'adinan ya ƙunshi adadi mai yawa na ma'adanai na jan ƙarfe oxide. Tsarin haƙar tagulla na gargajiya yana da ƙarancin saurin murmurewa. Bayan shigar da ammonium sulfate cikin tsarin haƙar tagulla, dawo da tagulla ya ƙaru da kashi 10 - 15%. Masu aikin haƙar sun daidaita yawan ammonium sulfate bisa ga halayen ma'adinan. Ta hanyar inganta haɗin ammonium sulfate tare da wasu abubuwan haɗin gwiwa kamar sodium sulfide da masu tarawa, sun sami damar inganta ingancin tsarin haƙar tagulla gabaɗaya, wanda ya haifar da haɓaka samar da tagulla da ƙarin fa'idodi na tattalin arziki.

2. Ma'adinan Zinc a Ostiraliya : A wani ma'adinan zinc na Australiya, ma'adinan ya kasance mai sarkakiya, kuma rabuwar ma'adinan gubar da zinc ya kasance ƙalubale. Tsarin farko na zubar da gubar ya fuskanci matsaloli kamar ƙarancin dawo da gubar da kuma yawan sinadarin zinc a cikin ma'adinan gubar. Bayan gudanar da bincike mai zurfi, ma'adinan ya shigar da ammonium sulfate cikin da'irar zubar da gubar. Ta hanyar amfani da ammonium sulfate don magance tasirin damuwa mai yawa na wasu sinadarai akan ma'adinan gubar da kuma daidaita sinadaran ɓawon burodi, sun sami damar ƙara dawo da gubar da kashi 8 - 12% da kuma rage yawan sinadarin zinc a cikin ma'adinan gubar da kashi 5 - 8%. Wannan ci gaba a aikin zubar da gubar ya haifar da ƙaruwa mai yawa a cikin ribar ma'adinan.

Kammalawa

Ammonium sulfate yana taka muhimmiyar rawa wajen sarrafa ma'adanai, musamman a tsarin flotation. Ayyukansa a matsayin mai haɓaka tattarawa , mai daidaita pH, da kuma mai rage damuwa suna taimakawa wajen rabawa da dawo da ma'adanai daban-daban cikin inganci. Ko a cikin flotation na ma'adanai na oxide ko ma'adanai na sulfide, ana iya tsara ammonium sulfate don dacewa da takamaiman halayen ma'adinai da buƙatun tsarin flotation. Ta hanyar nazarin shari'o'i, ya bayyana cewa amfani da ammonium sulfate yadda ya kamata na iya haifar da gagarumin ci gaba a cikin ingancin sarrafa ma'adanai, ƙimar farfadowa, da kuma matakan tattarawa, wanda a ƙarshe ke kawo fa'idodi na tattalin arziki ga masana'antar haƙar ma'adinai. Yayin da masana'antar haƙar ma'adinai ke ci gaba da neman hanyoyin sarrafa ma'adanai masu inganci da dorewa, ammonium sulfate zai iya taka muhimmiyar rawa a nan gaba.