Ala Diatomaceous bụ ụdị nkume siliceous nke a na-ekesakarị na mba dịka China, United States, Japan, Denmark, France, Romania, wdg. Ọ bụ nkume sedimentary siliceous biogenic nke mejupụtara ihe fọdụrụ nke diatoms oge ochie. Ihe mejupụtara kemịkalụ ya bụ SiO2, nke SiO2 · nH2O nwere ike ịnọchite anya ya, ihe mejupụtara mineral ya bụ opal na ụdị ya dị iche iche. Ebe nchekwa nke ala diatomaceous na China dị nde tọn 320, yana ihe nchekwa nwere ihe karịrị ijeri tọn 2, nke a na-ahụkarị na East China na Northeast China. N'ime ha, Jilin (54.8%, ebe Linjiang City na Jilin Province bụ ebe nchekwa mbụ a nwapụtara na Eshia), Zhejiang, Yunnan, Shandong, Sichuan, na ógbè ndị ọzọ nwere oke nkesa, mana ala dị elu na-ejupụta naanị na mpaghara Changbai Mountain nke Jilin, ọtụtụ ihe ndị ọzọ na-etinye mineral bụ ala ọkwa 3-4. N'ihi oke ọdịnaya adịghị ọcha, enweghị ike ịhazi ya ozugbo ma jiri ya mee ihe. Isi ihe dị na ala diatomaceous dị ka ihe na-ebu ibu bụ SiO2. Dịka ọmụmaatụ, ihe na-arụ ọrụ nke ihe na-akpali vanadium nke ụlọ ọrụ mmepụta ihe bụ V2O5, ihe na-akpali co bụ alkali metal sulfate, ihe na-akpali ya bụkwa ụwa diatomaceous a nụchara anụcha. Nnwale egosila na SiO2 nwere mmetụta kwụsiri ike na ihe ndị na-arụ ọrụ ma na-abawanye ka ọdịnaya K2O ma ọ bụ Na2O na-abawanye. Ọrụ nke ihe na-akpali akpali ahụ metụtakwara nhazi mgbasa na oghere nke ihe na-ebu ya. Mgbe ọgwụgwọ acid nke ụwa diatomaceous gasịrị, ọdịnaya nke ihe ndị na-adịghị ọcha oxide na-ebelata, ọdịnaya nke SiO2 na-abawanye, mpaghara elu na olu oghere kpọmkwem na-abawanyekwa. Ya mere, mmetụta nke ụwa diatomaceous a nụchara anụcha ka mma karịa nke ụwa diatomaceous eke.

A na-esikarị n'ihe fọdụrụ n'ime silicate kpụọ ụwa mgbe algae nwere otu mkpụrụ ndụ nwụrụ, nke a na-akpọkarị diatoms, ihe dị mkpa ya bụ mmiri amorphous SiO2. Diatoms nwere ike ịdị ndụ ma n'ime mmiri dị ọcha ma n'ime mmiri nnu, nwere ọtụtụ ụdị. A na-ekewa ha n'ozuzu ha n'ime diatoms "etiti" na diatoms "n'usoro nku", usoro ọ bụla nwekwara ọtụtụ "genera" dị mgbagwoju anya.

Isi ihe dị n'ụwa diatomaceous eke bụ SiO2, nke nwere agba ọcha na ọdịnaya SiO2 na-agafekarị 70%. Diatom otu na-enweghị agba ma na-apụta ìhè, agba nke ụwa diatomaceous na-adaberekwa na mineral ụrọ na ihe ndị dị ndụ. Ihe mejupụtara ụwa diatomaceous sitere na isi mmalite mineral dị iche iche dịgasị iche iche.

Ala diatomaceous, nke a makwaara dị ka diatom, bụ ebe a na-etinye diatom nke e mepụtara mgbe otu osisi nwere sel nwụsịrị ma nwee oge a na-etinye ihe dị ka afọ 10000 ruo 20000. Diatoms bụ otu n'ime ihe ndị kacha ochie pụtara n'ụwa, bi na mmiri oké osimiri ma ọ bụ mmiri ọdọ mmiri.

A na-emepụta ụdị ụwa diatomaceous a site na itinye ihe fọdụrụ na diatoms nke osisi mmiri nwere otu mkpụrụ ndụ. Ọrụ pụrụ iche nke diatom a bụ na ọ nwere ike ịmịkọrọ silicon efu n'ime mmiri iji mepụta ọkpụkpụ ya. Mgbe ndụ ya gwụchara, ọ na-etinye ma na-emepụta ihe ndị dị na ala diatomaceous n'okpuru ọnọdụ ala ụfọdụ. O nwere ụfọdụ ihe pụrụ iche, dị ka porosity, obere ntinye, nnukwu mpaghara elu kpọmkwem, enweghị ike ịkpakọba ihe, na nkwụsi ike kemịkalụ. Mgbe ọ gbanwere nha nha na ihe ndị dị na ala mbụ site na proc.Usoro nhazi dị ka ịpịpịa, nhazi, calcination, nhazi ikuku, na iwepụ ihe na-adịghị ọcha, ọ nwere ike dabara adaba maka ihe dị iche iche ụlọ ọrụ mmepụta ihe dịka mkpuchi na ihe mgbakwunye agba.