KILIKA SILIKA
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ʻUlaʻula silica gel
He ʻano poepoe a ʻano ʻē paha kēia huahana. He ʻulaʻula poni a ʻalani paha me ka makū. ʻO kona ʻano nui he silicon dioxide a loli ke kala me nā ʻano makū like ʻole. Ma waho aʻe o ka hana e like me ka uliuligel silica, ʻaʻohe ona cobalt chloride a ʻaʻole ia he mea ʻawahia, ʻino ʻole.
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ʻAlumino silica gel–AN
ʻO ke ʻano o ka aluminigel silicaHe melemele māmā a keʻokeʻo paha ke aniani me ke ʻano molekala kemika mSiO2 • nAl2O3.xH2O. Nā ʻano kemika paʻa. ʻAʻole hiki ke puhi ʻia, ʻaʻole hiki ke hoʻoheheʻe ʻia i loko o kekahi mea hoʻoheheʻe koe wale nō ke kumu ikaika a me ka waikawa hydrofluoric. Ke hoʻohālikelike ʻia me ka silica gel porous maikaʻi, ua like ka hiki ke hoʻopili ʻia o ka haʻahaʻa haʻahaʻa (e like me RH = 10%, RH = 20%), akā ʻo ka hiki ke hoʻopili ʻia o ka haʻahaʻa kiʻekiʻe (e like me RH = 80%, RH = 90%) he 6-10% kiʻekiʻe ma mua o ka silica gel porous maikaʻi, a ʻo ke kūpaʻa wela (350℃） he 150℃ kiʻekiʻe ma mua o ka silica gel porous maikaʻi. No laila, kūpono loa ia e hoʻohana ʻia ma ke ʻano he mea hoʻopili a hoʻokaʻawale i ka mahana loli.
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ʻAlumino silica gel –AW
He ʻano alumini kūpaʻa wai porous maikaʻi kēia huahanagel silica. Hoʻohana nui ʻia ia ma ke ʻano he papa pale o ka silica gel porous maikaʻi a me ka silica gel alumini porous maikaʻi. Hiki ke hoʻohana wale ʻia i ka hihia o ka nui o ka wai manuahi (wai wai). Inā loaʻa ka wai wai i ka ʻōnaehana hana, hiki ke hoʻokō ʻia kahi kiko hau haʻahaʻa me kēia huahana.
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ʻEke liʻiliʻi o ka desiccant
ʻO ka silica gel desiccant kahi ʻano mea hoʻomoʻa ʻala ʻole, ʻono ʻole, ʻaʻohe ʻawahia, hana kiʻekiʻe me ka hiki ke hoʻomoʻa ikaika. Loaʻa iā ia kahi waiwai kemika paʻa a ʻaʻole loa e pane me kekahi mau mea koe wale nō ka Alkai a me ka Hydrofluoric acid, palekana e hoʻohana ʻia me nā meaʻai a me nā lāʻau lapaʻau. Hoʻokuke ka silica gel descicant i ka makū e hana i kahi palekana o ka ea maloʻo no ka mālama palekana. Loaʻa kēia mau ʻeke silica gel i nā nui piha mai 1g a 1000g - i mea e hāʻawi iā ʻoe i ka hana maikaʻi loa.
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ʻO ka Gel Silica Keʻokeʻo
ʻO ka silica gel desiccant kahi mea adsorption ikaika loa, kahi i hoʻomākaukau pinepine ʻia ma ka hoʻopili ʻana i ka sodium silicate me ka sulfuric acid, ka ʻelemakule, ka pehu waikawa a me kahi moʻo o nā kaʻina hana ma hope o ka mālama ʻana. He mea amorphous ka silica gel, a ʻo kona ʻano kemika he mSiO2. nH2O. He mea hoʻoheheʻe ʻole ia i ka wai a me kekahi mea hoʻoheheʻe, ʻaʻohe mea ʻawaʻawa a ʻono ʻole, me nā waiwai kemika paʻa, a ʻaʻole pane me kekahi mea koe wale nō ke kumu ikaika a me ka waikawa hydrofluoric. ʻO ka hoʻohuihui kemika a me ke ʻano kino o ka silica gel e hoʻoholo ai he mau ʻano ia e paʻakikī ai ke pani i nā mea like ʻē aʻe he nui. Loaʻa i ka silica gel desiccant ka hana adsorption kiʻekiʻe, ke kūpaʻa wela maikaʻi, nā waiwai kemika paʻa, ka ikaika mechanical kiʻekiʻe, a pēlā aku.
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ʻO ka Gel Silica Polū
Loaʻa i ka huahana ka hopena adsorption a me ka pale ʻana i ka makū o ka silica gel fine-pored, kahi i hōʻike ʻia ma ke kaʻina hana o ka omo ʻana o ka makū, hiki ke lilo i poni me ka hoʻonui ʻia o ka omo ʻana o ka makū, a laila lilo i ʻulaʻula māmā. ʻAʻole hiki ke hōʻike wale i ka makū o ke kaiapuni, akā hōʻike maka pū kekahi inā pono e hoʻololi ʻia me kahi desiccant hou. Hiki ke hoʻohana wale ʻia ma ke ʻano he desiccant, a i ʻole hiki ke hoʻohana pū ʻia me ka silica gel fine-pored.
Hoʻokaʻawale ʻana: ʻāpana kuhikuhi kola polū, ua māhele ʻia ke kola polū e hoʻololi ana i ke kala i ʻelua ʻano: nā ʻāpana poepoe a me nā ʻāpana poloka.
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ʻAlani Silica Gel
Hoʻokumu ʻia ka noiʻi a me ka hoʻomohala ʻana o kēia huahana ma ka gel silica hoʻololi kala polū, he gel silica hoʻololi kala ʻalani i loaʻa ma ka hoʻomoʻi ʻana i ka gel silica pored maikaʻi me ka hui paʻakai inorganic. haumia kaiapuni. Ua lilo ka huahana i hanauna hou o nā huahana aloha kaiapuni me kona mau kūlana ʻenehana mua a me ka hana adsorption maikaʻi.
Hoʻohana nui ʻia kēia huahana no ka desiccant a hōʻike i ke kiʻekiʻe o ka saturation o ka desiccant a me ka haʻahaʻa pili o ka hoʻopili sila ʻia, nā mea hana pololei a me nā mika, a me ka pale makū o ka hoʻopili maʻamau a me nā mea hana.
Ma waho aʻe o nā waiwai o ke kāpili polū, loaʻa pū kekahi i ke kāpili ʻalani nā pono o ka ʻaʻohe cobalt chloride, ʻaʻohe ʻawahia a ʻaʻohe mea ʻino. I ka wā e hoʻohana pū ʻia ai, hoʻohana ʻia ia e hōʻike i ke kiʻekiʻe o ka omo ʻana o ka makū o ka desiccant, i mea e hoʻoholo ai i ka haʻahaʻa o ke kaiapuni. Hoʻohana nui ʻia i nā mea hana pololei, nā lāʻau lapaʻau, nā petrochemical, nā meaʻai, nā lole, ka ʻili, nā mīkini home a me nā kinoea ʻoihana ʻē aʻe.
