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Diatomiterudzi rwedombo resiliceous, rinonyanya kupararira muChina, United States, Denmark, France, Romania nedzimwe nyika. Iyo imhando yebiogenic siliceous accumulation rock, iyo inonyanya kuumbwa nemasara ekare diatoms. Chimiro chayo chemakemikari inonyanya kuSiO2, iyo inogona kumiririrwa neSiO2 · nH2O, uye mineral composition is opal uye zvakasiyana-siyana.

China ine mamiriyoni mazana matatu nemakumi maviri ematani ediatomaceous pasimatura uye anopfuura mabhiriyoni maviri ematani ezvingangotarisirwa kuchengetedza, ayo anonyanya kutariswa muEast China neNortheast China. Pakati pavo, huwandu hwacho hwakakura, uye Jilin ine mamwe matura (54.8%, ayo akaonekwa akachengetwa eLinjiang Guta, Jilin Province account yeAsia.), Zhejiang, Yunnan, Shandong, Sichuan nemamwe mapurovhinzi, kunyangwe akapararira zvakanyanya, asi ivhu remhando yepamusoro rinongoiswa muChangbai Mountain nzvimbo yeJilin giredhi 3, uye akawanda madhipatimendi ejilin. Pamusana pekusvibiswa kwepamusoro, hazvikwanisi kugadziriswa zvakananga uye kushandiswa. Mushonga wekemikari ye diatomite inonyanya kuSiO2, ine zvishoma zveAl2O3, Fe2O3, CaO, MgO, nezvimwewo uye organic matter. Iine zvishoma zveAl2O3, Fe2O3, CaO, MgO, K2O, Na2O, P2O5 uye organic matter. SiO2 inowanzoverengera kupfuura 80%, kusvika 94%. Iyo iron oxide yemukati yemhando yepamusoro diatomaceous pasi inowanzo 1 ~ 1.5%, uye iyo alumina yemukati i3 ~ 6%. Iyo mineral inoumbwa nediatomite inonyanya kuve opal uye zvakasiyana-siyana, inoteverwa nemaminerari evhu-hydromica, kaolinite uye mineral detritus. Mineral debris inosanganisira quartz, feldspar, biotite uye organic matter. Iyo organic yemukati inotangira kubva kuhuwandu hwekutsvaga kusvika kune inodarika 30%. Rudzi rwepasi diatomaceous chena, kunze-chena, grey uye chiedza grey-brown, etc. Iine maitiro ehunyoro, kusununguka, kureruka, porosity, kunwa kwemvura uye kusimba kwakasimba. Yakawanda ye silica ye diatomite isiri-crystalline, uye zvirimo mu soluble silicic acid mu alkali ndeye 50 ~ 80%. Amorphous SiO2 inova crystal kana ichipisa kusvika 800 ~ 1000 ° C, uye soluble silicic acid mu alkali inogona kuderedzwa kusvika 20 ~ 30%.

Diatomaceous pasihaina chepfu, iri nyore kupatsanura kubva pakudya, uye inogona kushandiswa zvakare mushure mekuparadzana. Yakave ichizivikanwa nenyanzvi dzakawanda dzekudzivirira zvipembenene sechinhu chinouraya zvipembenene. Chikonzero nei pasi diatomaceous rinogona kudzivirira zvipembenene ndechokuti kana zvipembenene zvinokambaira muzvokudya zvakakanyiwa nediatomaceous pasi, iyo diatomaceous pasi inonamatira kune chipembenene chemuviri wepamusoro, inoparadza waxy layer yezvipembenene epidermis uye mamwe maitiro asina mvura, uye kukonzera muviri wezvipembenene. Kurasika kwemvura kunotungamirira kurufu. Diatomaceous pasi uye zvakatorwa zvaro zvinogona zvakare kushandiswa semishonga yezvipembenene nemishonga yesora muminda yemichero. Diatomaceous pasi zvidimbu zvinogona kugoverwa mumhepo kana kuvigwa muvhu kuti adsorb uye kuuraya zvimwe zvipembenene. Diatomaceous pasi inogona kushandiswa seyakanakisa mutakuri uye yekuputira mumiriri wemakemikari fetiraiza. The micropores pamusoro pevhu diatomaceous anogona kuenzana kusveta uye kuputira kemikari fetiraiza kudzivisa refu yakazaruka stacking uye mwando absorption uye agglomeration. Iine 60-80% diatoms. Iyo nyowani ine hushamwari hwezvakatipoteredza fetiraiza yebiochemical ine ivhu uye hushoma hwezvipembenene zvinomera zvinogona kuvandudza immune system yechirimwa pachayo, kukurudzira kukura kwechirimwa, nekuvandudza ivhu pacharo kuti riite chinangwa chekudzikisa huwandu hweakajairwa fetiraiza nemishonga yezvipembenene ne30-60% panguva yekukura kwechirimwa.