ozi

Diatomitebụ ụdị nkume siliceous, nke gbasasịrị na China, United States, Denmark, France, Romania na mba ndị ọzọ. Ọ bụ ụdị biogenic siliceous mkpokọta nkume, nke bụ tumadi mejupụtara nke foduru nke diatom oge ochie. Ihe mejupụtara kemịkalụ ya bụ SiO2, nke SiO2 · nH2O nwere ike ịnọchite anya ya, ihe mejupụtara mineral bụ opal na ụdị ya.

China nwere nde tọn 320diatomaceous ụwaihe nchekwa na ihe karịrị ijeri ijeri abụọ nke ihe a na-atụ anya ya, bụ nke etinyere na East China na Northeast China. N'etiti ha, nso nso bụ dịtụ ibu, na Jilin nwere ihe idobere (54.8%, nke pụtara mee nke Linjiang City, Jilin Province akaụntụ maka Asia.), Zhejiang, Yunnan, Shandong, Sichuan na ndị ọzọ na ógbè, ọ bụ ezie na-agbasa n'ọtụtụ ebe, ma elu-edu ala bụ naanị lekwasị na Changbai Mountain n'ógbè nke ala Jilin, na ọtụtụ n'ime 3 mineral. N'ihi ọdịnaya adịghị ọcha dị elu, enweghị ike ịhazi ya ozugbo wee tinye ha n'ọrụ. Ngwakọta kemịkalụ nke diatomite bụ tumadi SiO2, nwere obere ego nke Al2O3, Fe2O3, CaO, MgO, wdg na ihe organic. Nwere obere ego nke Al2O3, Fe2O3, CaO, MgO, K2O, Na2O, P2O5 na organic okwu. SiO2 na-abụkarị ihe karịrị 80%, ruo 94%. Ọdịnaya iron oxide nke elu-edu diatomaceous ụwa bụ n'ozuzu 1 ~ 1.5%, na alumina ọdịnaya bụ 3 ~ 6%. Ngwakọta mineral nke diatomite bụ tumadi opal na ụdị ya, na-esote mineral ụrọ-hydromica, kaolinite na mineral detritus. Ihe irighiri ihe nke mineral gụnyere quartz, feldspar, biotite na ihe organic. Ọdịnaya organic sitere na nchọta ihe karịrị 30%. Agba nke diatomaceous ụwa na-acha ọcha, anya-acha ọcha, isi awọ na ìhè isi awọ-agba aja aja, wdg O nwere Njirimara nke fineness, looseness, ìhè arọ, porosity, mmiri absorption na ike permeability. Ọtụtụ n'ime silica nke diatomite bụ ndị na-abụghị kristal, na ọdịnaya nke silicic acid soluble na alkali bụ 50 ~ 80%. Amorphous SiO2 na-aghọ kristal mgbe kpụ ọkụ n'ọnụ ruo 800 ~ 1000 ° C, na silicic acid soluble na alkali nwere ike ibelata 20 ~ 30%.

Ala diatomaceousadịghị egbu egbu, dị mfe ikewapụ na nri, enwere ike iji ya ọzọ mgbe nkewa gasịrị. Ọtụtụ ndị ọkachamara na-ahụ maka nchịkwa ahụhụ achọpụtala ya dị ka ihe na-egbu ụmụ ahụhụ. Ihe kpatara ụwa diatomaceous nwere ike igbochi pests bụ na mgbe ụmụ ahụhụ na-akpụ akpụ na nri agwakọta na ụwa diatomaceous, ụwa diatomaceous ga-arapara n'ahụ ahụ ụmụ ahụhụ, mebie oyi akwa nke ụmụ ahụhụ epidermis na ihe ndị ọzọ na-adịghị egbochi mmiri, ma mee ka ahụ anụ ahụ pụta. Ọnwụ mmiri na-eduga ọnwụ. A pụkwara iji ụwa Diatomaceous na ihe ndị dị n'ime ya mee ihe dị ka ọgwụ na-egbu egbu na ahịhịa n'ime ubi ubi ubi. Enwere ike kesaa ụmụ irighiri ihe diatomaceous n'ikuku ma ọ bụ lie ya n'ime ala iji gbasaa ma gbuo ụfọdụ ụmụ ahụhụ. Enwere ike iji ụwa Diatomaceous dị ka ezigbo ihe na-ebu na ihe mkpuchi maka fatịlaịza kemịkal. Ihe micropores nke dị n'elu ụwa diatomaceous nwere ike ịmịkọrọ ma kechie fatịlaịza kemịkalụ iji zere ikpokọta oghere ogologo oge na mmịkọ mmiri na agglomeration. Ọ nwere 60-80% diatoms. Fatịlaịza biochemical ọhụrụ na-emekọrịta ihe na gburugburu ebe obibi na obere obere ahịhịa microbial nwere ike melite ọrụ mgbochi nke osisi ahụ n'onwe ya, kwalite uto osisi, ma melite ala n'onwe ya iji mezuo ebumnuche nke ibelata fatịlaịza nkịtị na pesticides site na 30-60% n'oge uto osisi.