labarai

Diatomitewani nau'i ne na dutsen siliki, wanda akasari ya bazu a China, Amurka, Denmark, Faransa, Romania da sauran ƙasashe. Wani nau'i ne na dutsen siliceous na halitta, wanda galibi ya ƙunshi ragowar tsohuwar diatoms. Abubuwan sinadaran sa galibi SiO2, wanda SiO2 · nH2O zai iya wakilta, kuma abun da ke cikin ma'adinai shine opal da bambance-bambancen sa.

Kasar Sin tana da tan miliyan 320duniya diatomaceoustanadi da fiye da tan biliyan 2 na tanadin da ake son yi, wanda aka fi maida hankali a Gabashin kasar Sin da arewa maso gabashin kasar Sin. Daga cikin su, kewayon yana da girma sosai, kuma Jilin yana da ƙarin tanadi (54.8%, wanda aka tabbatar da tanadi na birnin Linjiang, lardin Jilin na Asiya.), Zhejiang, Yunnan, Shandong, Sichuan da sauran larduna, kodayake ya bazu ko'ina, amma ƙasa mai inganci tana ta'allaka ne kawai a cikin tsaunin Changbai na ƙasar Jilin, kuma mafi yawan ma'adinai 4. Saboda yawan ƙazanta, ba za a iya sarrafa su kai tsaye da amfani da su ba. Abubuwan sinadaran diatomite galibi SiO2 ne, wanda ke dauke da karamin adadin Al2O3, Fe2O3, CaO, MgO, da dai sauransu da kwayoyin halitta. Ya ƙunshi ƙaramin adadin Al2O3, Fe2O3, CaO, MgO, K2O, Na2O, P2O5 da kwayoyin halitta. SiO2 yawanci yana lissafin sama da 80%, har zuwa 94%. Abubuwan da ke cikin baƙin ƙarfe oxide na ƙasan diatomaceous mai inganci gabaɗaya shine 1 ~ 1.5%, kuma abun cikin alumina shine 3 ~ 6%. Ma'adinan ma'adinai na diatomite yafi opal da bambance-bambancensa, sannan kuma ma'adinan yumbu-hydromica, kaolinite da detritus ma'adinai. Ma'adinan ma'adinai sun haɗa da quartz, feldspar, biotite da kwayoyin halitta. Abubuwan da ke cikin kwayoyin halitta sun bambanta daga alamar alama zuwa fiye da 30%. Launi na diatomaceous duniya fari ne, kashe-fari, launin toka da haske launin toka-kasa-kasa, da dai sauransu Yana da kaddarorin fineness, looseness, haske nauyi, porosity, ruwa sha da kuma karfi permeability. Yawancin silica na diatomite ba crystalline bane, kuma abun ciki na silicic acid mai narkewa a cikin alkali shine 50 ~ 80%. Amorphous SiO2 ya zama crystal lokacin da mai tsanani zuwa 800 ~ 1000 ° C, kuma silicic acid mai soluble a cikin alkali za a iya rage zuwa 20 ~ 30%.

Duniya diatomaceousba mai guba bane, mai sauƙin rabuwa da abinci, kuma ana iya sake amfani dashi bayan rabuwa. Masana da yawa masu kula da kwaro sun gane shi a matsayin wani abu na kwari. Dalilin da ya sa kasa diatomaceous ke iya hana kwari shi ne, lokacin da kwari ke rarrafe a cikin abinci gauraye da kasa diatomaceous, diatomaceous kasa za ta manne da saman jikin kwarin, ta lalata tarkacen kwari da sauran sifofin da ba su da ruwa, kuma su haifar da jikin kwari. Rashin ruwa yana kaiwa ga mutuwa. Hakanan ana iya amfani da ƙasan diatomaceous da abin da ke cikinta azaman magungunan kashe qwari da ciyawa a cikin gonakin gonaki. Ana iya rarraba barbashi na ƙasan diatomaceous a cikin iska ko kuma a binne su a cikin ƙasa don shaƙawa da kashe wasu kwari. Ana iya amfani da ƙasan diatomaceous azaman ingantacciyar dillali da wakili mai rufi don takin sinadarai. Micropores a saman duniyar diatomaceous na iya ɗaukar ko'ina kuma su nannade takin sinadarai don gujewa buɗewa na dogon lokaci da ɗaukar danshi da haɓakawa. Ya ƙunshi 60-80% diatoms. Sabuwar takin da ke da alaƙa da yanayin muhalli tare da ƙasa da ƙananan ƙwayoyin ƙwayoyin cuta na iya haɓaka aikin rigakafi na shuka kanta, haɓaka haɓakar shuka, da inganta ƙasa da kanta don cimma manufar rage yawan takin gargajiya da magungunan kashe qwari da kashi 30-60% yayin girma shuka.