Ngwa Aluminom Hydroxide

"Chemical alumina" na-ezo aka na mmepụta nke ingot aluminum ma e wezụga alumina, aluminum oxide na aluminum hydroxide ngwaahịa dị iche iche ma ọ bụ ngwaahịa ndị gbasaara. E nwere ọtụtụ narị ụdị alumina kemịkal, ọ nwekwara ọtụtụ ojiji n'ọtụtụ ngalaba. Isiokwu a ga-ewebata ojiji metụtara aluminum hydroxide.

Aluminum hydroxide, nke a makwaara dị ka hydrated alumina, hydrous alumina, alumina hydrate, bụ ihe a na-ahụkarị n'ime amphoteric, nke a na-agbaze na asịd na ntọala, nke na-anaghị agbaze na mmiri na mmanya. Usoro izugbe bụ Al2O3 • H2O nwere ebe agbaze nke 300 (mfu mmiri). Dịka mmiri dị na ya si dị, enwere ike kewaa usoro aluminum hydroxide n'ime: alumina trihydrate, alumina monohydrate, obere kristal alumina na amorphous aluminum hydroxide. A na-ewepụta ya na bauxite, enwere ike iji nnu aluminom na sodium hydroxide mee ya na mmiri ammonia. E nwere ụdị kristal abụọ na amorphous (gel).

Amorphous aluminum hydroxide bụ obere alkali, obere iron, obere ihe dị nro, na nnukwu ọcha. Ụdị ọrụ ahụ nwere uru dị ka nnukwu ike, iguzogide okpomọkụ, iguzogide iyi, ezigbo nkwụsi ike kemịkalụ, anaghị egbu egbu, enweghị ụtọ, anaghị agbanwe agbanwe, mmiri mmiri na nnabata okpomọkụ mgbe a na-ekpo ọkụ ụdị ọrụ ahụ ruo ihe karịrị 250 DEG C, ma nwee ezigbo mwepụ anwụrụ ọkụ na mgbochi ire ọkụ. Ebe ndị bụ isi eji eme ihe bụ ndị a.

Aluminom hydroxide bụ ụdị ihe e ji emeju ihe na-adịghị ọcha nke na-adịghị ọcha, ihe ruru unyi ya dị ala, usoro ihe ndị e ji aluminom hydroxide mee dị ka ihe e ji emeju ihe bụ polyurethane resin, epoxy resin, polyethylene, polypropylene, styrene butadiene roba, wdg. A na-eji aluminom hydroxide dị ka ihe na-egbochi ire ọkụ na ihe na-egbochi anwụrụ ọkụ eme ihe na resin na-enweghị afọ ojuju ruo ọtụtụ afọ.

Usoro ihe na-egbochi ire ọkụ maka itinye ATH na polima, na-ebelata mkpokọta mmanụ; aluminum hydroxide malitere na 250 DEG C endothermic dehydration, mgbochi nke mmụba okpomọkụ polima; mmebi nke mmiri uzuoku nke mkpokọta oxygen, ọkụ nwayọ nwayọ; n'ịmepụta elu ọkụ nke alumina nwere ike igbochi mmeghachi omume ọkụ ịga n'ihu.

A na-ejikarị aluminom hydroxide eme ihe n'ụlọ ọrụ mkpuchi maka mkpuchi elu, ihe e ji eme ihe, na akwụkwọ na-anaghị ere ọkụ. Aluminom hydroxide nwere ike ime ka akwụkwọ ahụ na-egbuke egbuke, na-egosipụta, na-eguzogide ìhè, ịdị ire ụtọ na ibipụta ya ka mma. A pụkwara iji aluminom hydroxide mee ihe dị ka ihe e ji eme akwụkwọ a kpuchiri ekpuchi, titania ga-anọchi ụrọ. Nha nke aluminom hydroxide a na-ejikarị eme ihe bụ 0.7-1.4 mu m.

Akwụkwọ ihe na-egbochi ọkụ: ihe na-egbochi ọkụ, ihe na-eme ka ọkụ kabon dị, mana ọ naghị ere ọkụ. E ji akwụkwọ asbestos mee ya, ma ọ bụ ihe na-egbochi ọkụ nwere akwụkwọ kwesịrị ekwesị (dịka aluminum hydroxide) na ọgwụgwọ.

Aluminom hydroxide anaghị egbu egbu ma ọ bụ enweghị ụtọ, ọ naghị agbaze n'ime mmiri, ọ bụ ezigbo ụdị ihe na-akpata esemokwu na-anọpụ iche, ihe na-akpata esemokwu ezé nke mmepụta ụlọ ọrụ mmepụta ihe nke aluminom hydroxide. Ike siri ike nke Mohs bụ 2.5-3.5, ịdị ọcha nke ihe karịrị 99%, uru pH bụ 8.0-9.5, uru D50 bụ 8-15 micron, ọnụahịa ya dị mma, ọ bụ ezigbo ihe na-akpata esemokwu ezé, fluoride na ndakọrịta, arụmọrụ ya dị mma. Ọ bụ otu n'ime ihe na-eme ka ezé dị nro.

Mullite (ma ọ bụ mullite) bụ usoro mineral nke nwere aluminosilicate. Mullite bụ naanị ihe mejupụtara ihe abụọ kwụsiri ike na sistemụ Al2O3 SiO2. Ụdị mineral a dị ụkọ. Ọ bụ ụdị ihe na-adịghị mma nke ukwuu, enwere ike ịmepụta mullite site na iji aluminom silicate eme ihe. A na-ejikarị Mullite eme ihe na-adịghị mma, seramiiki, ígwè, ihe eji egwuri egwu, eletrọniki na ụlọ ọrụ ndị ọzọ. O nwere njirimara nke iguzogide okpomọkụ dị elu, ike dị elu na obere ihe na-eme ka okpomọkụ dị ala.

Na mgbakwunye, enwere ike iji aluminum hydroxide dị ka marble e ji aka rụọ, agate e ji aka rụọ, ihe na-ejupụta kapeeti; mmepụta nke aluminum sulfate, alum, alumina, hydrated alumina, ihe kemịkalụ sodium aluminate ngwaahịa roba; ihe na-egbochi ire ọkụ; eji ya dị ka ihe na-emeju na ihe mgbakwunye nke ihe nrapado na ihe mkpuchi; sieve molekul sịntetik; maka gastricantiacids wdg.

Ụdị jel nke aluminom hydroxide bụ Aluminum Hydroxide Gel, boehmite, amorphous alumina. Ọ nwere ezigbo nrapado, ịkpụzi ihe, iguzogide okpomọkụ dị elu, nnukwu ikike okpomọkụ, obere ike okpomọkụ, ezigbo nguzogide nchara na iguzogide oxidation, ike dị elu na elu dị ire ụtọ.

Aluminum hydroxide bụ otu n'ime ihe ndị bụ isi e ji eme gel aluminom afọ bụ ọgwụgwọ nke acid afọ na afọ, ọgwụ ọdịnala, nkwadebe ndị dị ka vitamin U na kapsụl aluminom, mbadamba Aluminom Hydroxide na ihe ndị ọzọ dị mkpa, enwere ike iji ya mee ihe maka ọgwụ. Usoro nke anti gastric acid ya bụ Al (OH)3+6HCl=2AlCl3+3H2O. Enwere ike iji alumina mmiri isii e ji aluminom hydroxide mee mee ihe dị ka ihe na-eme ka ahụ dị jụụ n'ọgwụ na ihe ịchọ mma.

Ọgwụgwọ elu na ihe nrapado ya Enwere ike iji eriri inorganic ma ọ bụ organic mee ihe site na iji eriri aluminom hydroxide, site na iji oke okpomọkụ ya na imecha elu ya, nke a na-ejikarị eme ihe n'ịmepụta ngwa seramiiki dị elu, nke a na-ejikwa maka imepụta poselin eletriki; n'otu oge ahụ ọ bụkwa ihe na-eme ka ihe na-adịghị mma.