Bentonite ma'adinai ne mara ƙarfe wanda ya ƙunshi montmorillonite.Tsarin montmorillonite shine nau'in kristal mai nau'in 2:1 wanda ya ƙunshi silica tetrahedra guda biyu sandwiched tare da Layer na aluminum oxide octahedra.Saboda tsarin da aka yi da shi da montmorillonite crystal cell, akwai wasu cations, irin su Cu, Mg, Na, K, da dai sauransu, kuma mu'amalarsu da ƙwayoyin kristal montmorillonite ba ta da ƙarfi sosai, wanda ke da sauƙin musayar wasu cations. don haka suna da kyawawan kaddarorin musayar ion.A kasashen waje, an yi amfani da shi a cikin fiye da sassan 100 a fannoni 24 na masana'antu da noma, tare da samfurori sama da 300, don haka mutane suna kiranta "ƙasar duniya".

Bentonite kuma ana kiransa bentonite, bentonite, ko bentonite.Kasar Sin dai na da dadadden tarihi wajen bunkasawa da yin amfani da bentonite, wanda asalinsa kawai ake amfani da shi a matsayin wanki.An sami buɗaɗɗen ma'adanai a yankin Renshou na Sichuan shekaru ɗaruruwan da suka gabata, kuma mazauna yankin suna kiran bentonite a matsayin foda.Ana amfani da shi da gaske amma yana da tarihin sama da shekaru ɗari.Farkon binciken da aka gano a Amurka shine a cikin tsohuwar ginshiƙi na Wyoming, inda yumbu mai launin rawaya, wanda zai iya faɗaɗawa zuwa manna bayan ƙara ruwa, ana kiransa bentonite.A gaskiya ma, babban ma'adinai na bentonite shine montmorillonite, tare da abun ciki na 85-90%.Wasu kaddarorin na bentonite kuma ana ƙaddara su ta hanyar montmorillonite.Montmorillonite na iya fitowa da launuka daban-daban kamar rawaya kore, farar rawaya, launin toka, fari, da sauransu.Yana iya samar da tulu mai yawa ko ƙasa maras kyau, tare da jin daɗi lokacin shafa da yatsunsu.Bayan ƙara ruwa, ƙarar ƙananan tubalan yana faɗaɗa sau da yawa zuwa sau 20-30, suna bayyana a cikin yanayin da aka dakatar a cikin ruwa, kuma a cikin yanayin manna idan akwai ruwa kaɗan.Kaddarorin montmorillonite suna da alaƙa da haɗin sinadarai da tsarin ciki.

Lambun da aka kunna

Lambun da aka kunna shine adsorbent da aka yi daga yumbu (mafi yawan bentonite) azaman ɗanyen abu, wanda aka yiwa maganin inorganic acidification, sannan kuma kurkura ruwa da bushewa.Siffar sa farin foda ne, mara wari, marar ɗanɗano, mara guba, kuma yana da ƙarfin talla.Yana iya adsorb abubuwa masu launi da kwayoyin halitta.Yana da sauƙi don shayar da danshi a cikin iska, kuma sanya shi na dogon lokaci zai rage aikin talla.Koyaya, dumama zuwa sama da digiri 300 na ma'aunin celcius ya fara rasa ruwan kristal, yana haifar da canje-canjen tsari kuma yana shafar tasirin fadewa.Lambun da aka kunna ba zai iya narkewa a cikin ruwa, abubuwan kaushi na halitta, da mai daban-daban, kusan gaba ɗaya mai narkewa a cikin soda mai zafi da acid hydrochloric, tare da ƙarancin dangi na 2.3-2.5, da ƙaramin kumburi a cikin ruwa da mai.

Ƙasar bleached na halitta

Farin yumbu da ke faruwa a dabi'a tare da kayan aikin bleaching fari ne, fari fari yumbu wanda ya ƙunshi montmorillonite, albite, da quartz, kuma nau'in bentonite ne.
Yafi samfurin da bazuwar gilashin dutsen volcanic, wanda ba ya faɗaɗa bayan sha ruwa, kuma ƙimar pH na dakatarwa ya bambanta da na alkaline bentonite;Ayyukan bleaching ya fi na yumbu da aka kunna.Launukan gabaɗaya sun haɗa da rawaya mai haske, koren fari, launin toka, kalar zaitun, launin ruwan kasa, farar madara, jajayen peach, shuɗi, da sauransu. Akwai fari kaɗan kaɗan.Yawaita 2.7-2.9g/cm.Yawan da ake gani sau da yawa yana ƙasa da ƙasa saboda porosity.A sinadaran abun da ke ciki ne kama da na talakawa yumbu, tare da babban sinadaran aka gyara kasancewa aluminum oxide, silicon dioxide, ruwa, da kuma wani karamin adadin baƙin ƙarfe, magnesium, calcium, da dai sauransu. Babu plasticity, tare da high adsorption iya aiki.Saboda yawan abun ciki na hydrous silicic acid, yana da acidic zuwa litmus.Ruwa yana da saurin fashewa kuma yana da babban abun ciki na ruwa.Gabaɗaya, mafi kyawun fineness, mafi girman ikon decolorization.

Bentonite irin
Bentonite ma'adinai ne mai ma'adinai tare da amfani da yawa, da ingancinsa.