Diatomite bụ ụdị nkume siliceous nke na-ekesa na China, United States, Japan, Denmark, France, Romania na mba ndị ọzọ.Ọ bụ nkume sedimentary sedimentary biogenic siliceous, nke kachasị nke ihe fọdụrụ nke diatoms oge ochie mejupụtara.Ngwakọta kemịkalụ ya bụ SiO2, nke enwere ike ịkọwa dị ka SiO2 · nH2O, na ihe mejupụtara ya bụ opal na ụdị ya.Ihe nchekwa nke diatomite na China dị nde tọn 320, ebe nchekwa a na-atụ anya ya karịrị ijeri ijeri abụọ.

The njupụta nke diatomite bụ 1.9-2.3g/cm3, nnukwu njupụta bụ 0.34-0.65g/cm3, kpọmkwem n'elu ebe bụ 40-65 ㎡ / g, na pore olu bụ 0.45-0.98m ³/ g.The mmiri absorption bụ 2-4 ugboro nke ya olu, na agbaze ebe bụ 1650C-1750 ℃.Enwere ike ịhụ ihe owuwu porous pụrụ iche n'okpuru microscope eletrọn.

Diatomite bụ SiO2 amorphous ma nwee obere ego nke Fe2O3, CaO, MgO, Al2O3 na adịghị ọcha organic.Diatomite na-abụkarị odo odo ma ọ bụ isi awọ dị nro, dị nro, nke nwere oghere na ìhè.Ọ na-ejikarị na ụlọ ọrụ dị ka thermal mkpuchi ihe, nyo ihe, filler, abrasive ihe, mmiri iko raw ihe, decolorizing gị n'ụlọnga, diatomite iyo enyemaka, catalyst ụgbọelu, wdg Isi akụrụngwa nke eke diatomite bụ SiO2.Diatomite dị elu dị ọcha, ọdịnaya nke SiO2 na-adịkarị karịa 70%.Monomer diatoms enweghị agba na nghọta.Agba nke diatomite na-adabere na mineral ụrọ na ihe ndị dị ndụ, wdg. Ihe mejupụtara diatomite sitere na isi mmalite ịnweta dị iche iche.

Diatomite bụ ụdị ihe nkwụnye ego nke fossil diatom na-akpakọba ụba nke ala nke e hiwere mgbe otu osisi nwere otu mkpụrụ ndụ nwụsịrị nke a na-akpọ diatom mgbe oge nchịkọta ihe dị ka 10000 ruo 20000 afọ.Diatom bụ otu n'ime protozoa mbụ n'ụwa, na-ebi na mmiri oke osimiri ma ọ bụ ọdọ mmiri.

A na-etolite diatomite a site na ntinye nke foduru nke osisi diatom nke nwere otu mkpụrụ ndụ.Ọrụ pụrụ iche nke diatom a bụ na ọ nwere ike ịmịnye silicon n'efu n'ime mmiri iji mepụta ọkpụkpụ ya.Mgbe ndụ ya gafere, ọ ga-edobe ma mepụta nkwụnye ego diatomite n'okpuru ụfọdụ ọnọdụ ala.O nwere ụfọdụ ihe pụrụ iche, dị ka porosity, obere ntinye uche, nnukwu ebe dị elu, enweghị ike ikwu na nkwụsi ike kemịkal.Mgbe na-agbanwe urughuru size nkesa na elu Njirimara nke raw ala site egweri, sorting, calcination, ikuku eruba classification, adịghị ọcha mwepụ na ndị ọzọ nhazi usoro, ọ nwere ike tinye n'ọrụ dị iche iche ulo oru chọrọ dị ka agba mgbakwunye.