Calcium sulfate hemihydrate CAS 10034-76-1
A na-akpọkwa calcium sulfate raw gypsum, hard raw gypsum, Muriacite, gypsum anhydrous. Kristal orthorhombic na-enweghị agba (ụdị β) ma ọ bụ kristal monoclinic (ụdị α). Arọ molekụla emetụtara 136.14. Njupụta njikọ 2.960. Ebe mgbaze 1193℃ (gbanwere site na ụdị β gaa n'ụdị α), 1450℃ (α ụdị, na decomposed). Soluble ntakịrị na mmiri (0.209 na 20 ℃), soluble na acid, ammonium nnu, sodium thiosulfate, sodium chloride solution na glycerol. Ọ bụrụgodị na a gbakwụnye mmiri, ọ gaghịzi aghọ calcium sulfate dihydrate. Ọ bụrụ na gypsum ore akpọnwụ kpamkpam n'okpuru 300 ℃, gypsum soluble soluble na mmiri nwere ike ịmepụta; Ọ bụrụ na gypsum sitere n'okike na-ekpo ọkụ karịa 600 ℃, a na-emepụta gypsum anhydrous na-adịghị ike. Mgbe a gwakọtara calcium sulfate ma ọ bụ plasta nke Paris na mmiri kwesịrị ekwesị, ọ na-eji nwayọọ nwayọọ na-esiwanye ike. A na-eji ya dị ka ihe nkwụghachi azụ, nrapado, mmiri na-amịkọrọ mmiri, ntụ ntụ na-egbuke egbuke, ndochi akwụkwọ, ihe nchacha gas, bandeeji plasta, na ọrụ aka. A na-eji gypsum eme ihe dị ka ihe eji eme ciment, ọ pụkwara ịhazi oge nhazi nke ciment. A na-eji ya dị ka coagulant na-eme tofu, nri yist, onye na-achịkwa mgwakota agwa, na onye na-ahụ maka chelating. Enwere ogbunigwe gypsum eke, na ihe sitere na ụlọ ọrụ phosphate nwere calcium sulfate. Ihe ngwọta ammonium sulfate na-emeghachi omume na ngwọta calcium chloride, na nzacha, ịsacha na mmiri ozuzo nwere ike ịmepụta ngwaahịa dị ọcha.
| Ihe | Nsonaazụ |
| Ọdịdị | Ọcha ntụ ntụ |
| Nyocha | ≥99% |
| Ido anya | Na-akwado |
| HCl adịghị ike | ≤0.025% |
| Chloride | ≤0.002% |
| Nitrate | ≤0.002% |
| Ammonium nnu | ≤0.005% |
| Carbonate | ≤0.05% |
| Ígwè | ≤0.0005% |
| Igwe dị arọ | ≤0.001% |
| Magnesium na alkali ọla | ≤0.2% |
Nhazi nri:
Enwere ike iji calcium sulfate mee ihe dị ka onye na-ahụ maka ọgwụgwọ ntụ ọka (dị ka ihe na-edozi benzoyl peroxide), na-eji gram 1.5 kachasị kwa kilogram; a na-eji ya eme ihe dị ka coagulant na nhazi nri. A na-eji ya eme tofu, na ihe dị ka gram 14-20 kwa liter nke soybean na-agbakwunye na mmiri ara ehi soy (oke oke ga-emepụta ilu). A na-agbakwunye ya na ntụ ọka wit na 0.15% ma jiri ya dị ka nri yist na nhazi ntụ ọka. A na-agbakwunye ya na tomato mkpọ na poteto dị ka ihe na-ewusi anụ ahụ ike. A na-eji ya dị ka ihe na-eme ka mmiri sie ike na ihe na-eme ka ụtọ maka ime biya. Enwere ike iji ya mee ihe mgbakwunye nri.
Mmepụta ụlọ ọrụ:
1. Ụlọ ọrụ na-ewu ụlọ: Calcium sulfate nwere ike iji mee ihe na ụlọ ọrụ ihe owuwu ụlọ, ihe mkpuchi ọkụ, ihe mkpuchi, ihe mgbakwunye, wdg Calcium sulfate whiskers nwere ezigbo esemokwu, nchekwa ọkụ, ikpo ọkụ ọkụ, mgbochi ọkụ, mkpuchi na-abụghị onye nduzi na ihe ndị ọzọ, ma nwee ike dochie asbestos dị ka ihe eji eme ihe na-eme ka esemokwu, ihe ọkụ ọkụ na-eme ka ọkụ na-ekpo ọkụ, ọkụ na-ekpo ọkụ (rmal). A na-eji ya dị ka onye na-ahụ maka ike mmalite na ihe mgbagwoju anya, n'ozuzu ya na usoro onunu ogwu nke ihe dịka 3%, iji dozie oge nhazi na mix na gwerie na ciment. Mgbe a na-agbakwunye calcium sulfate na kọmpụta, ọ na-enwe mmetụta dị ike n'oge.
2. Ụlọ ọrụ na-emepụta akwụkwọ: A na-eji Calcium sulfate na ụlọ ọrụ na-emepụta akwụkwọ iji dochie akụkụ ma ọ bụ ọtụtụ n'ime pulp. Calcium sulfate nwere akụkụ nke ihe na-erughị ma ọ bụ nhata 50 nwere ike iji mee ihe dị ka ọkwa dị elu maka akwụkwọ, nke nwere ike ịbawanye mmepụta akwụkwọ, belata oriri osisi, ma nyere aka chebe gburugburu ebe obibi ma belata mmetọ mmiri na-ekpofu.
3. Ụlọ ọrụ kemịkalụ: N'ime ụlọ ọrụ kemịkalụ, enwere ike iji ya dị ka ihe na-agba ume. Enwere ike iji sọks calcium sulfate anhydrous mee ihe na granulation rọba iji kwalite ike nke irighiri rọba, nguzogide okpomọkụ dị elu, ma belata ọnụ ahịa. Na mmepụta nke plastik dị ka polyvinyl chloride, polyethylene, propylene, na polystyrene, ọ nwere ike ịkwalite arụmọrụ nke akụkụ dị iche iche nke ngwaahịa ahụ, meziwanye ịdị mma, nkwụsi ike akụkụ, njedebe elu, ike nkwụsị, ike na-ehulata, na-ehulata modulus na okpomọkụ deformation okpomọkụ, ma belata ngwá ọrụ. Dị ka ihe ndochi nke asphalt, ọ nwere ike ịbawanye ebe dị nro nke asphalt.
Ọrụ ugbo:
Enwere ike iji calcium sulfate mee ihe dị ka fatịlaịza na ọrụ ugbo iji belata alkalinity ala ma melite arụmọrụ ala.
Ọgwụ:
Calcium sulfate nwere ngwa dị iche iche na ụlọ ọrụ ọgwụ. Enwere ike iji ya kwadebe ọgwụ ma nye ihe ndị a chọrọ na ihe onwunwe maka ọgwụ. Na mgbakwunye, a na-ejikwa calcium sulfate mee mbadamba nkume iji hụ na nkwụsi ike na ịdị irè nke mbadamba. N'otu oge ahụ, a na-agbakwunye ya na ntanye eze iji kwalite nhazi na ọrụ nke ntanye eze. Ngwa ndị a na-egosipụta mkpa calcium sulfate dị na ụlọ ọrụ ọgwụ, na-enye isi ihe na ihe onwunwe maka ngwaahịa ọgwụ.
25kg / akpa
Calcium sulfate hemihydrate CAS 10034-76-1
Calcium sulfate hemihydrate CAS 10034-76-1
