Alumina iliyoamilishwa

Aina ya kawaida kutumika ya kutumia alumina kama kichocheo inajulikana kama "alumina hai." Ni porous na sana kutawanyika nyenzo imara na eneo kubwa la uso. Uso wake microporous ina sifa zinazohitajika kwa ajili ya kichoc...
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Maelezo ya Bidhaa

Alumina iliyoamilishwa, pia inajulikana kama shanga za alumina zilizoamilishwa, ni nyenzo yenye uwezo wa juu wa adsorption, utulivu wa joto na utulivu wa kemikali.

Imetengenezwa kutoka kwa aluminate au alumini hidroksidi kama malighafi na inaundwa katika chembe ndogo za duara chini ya hali ya joto la juu. Porosity ya chembe hizi ni zaidi ya 40%.

Activated Alumina ina matarajio mapana ya matumizi katika nyanja za ulinzi wa mazingira, nishati, na sekta ya kemikali.



The mbinu za maandalizi ya alumina amilifu hasa ni pamoja na aina mbili: mbinu za kimwili na mbinu za kemikali.

Physical njia: Kwa kutumia joto la juu, shinikizo la juu na mzunguko wa kasi ya juu, chembe za oksidi ya alumini au hidroksidi ya alumini hubadilishwa kuwa chembe za duara chini ya hali maalum.

Alumina iliyoamilishwa iliyoandaliwa na njia ya kimwili ina faida za usambazaji wa ukubwa wa chembe sare na uso laini.

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Chemical njia: Kwa kutumia mbinu kama vile njia ya sol-gel, njia ya hydrothermal, na njia ya ushirikiano wa mvua, chembe za duara zinaweza kupatikana kupitia athari za kemikali.


1 . Alumina iliyoamilishwa iliyoandaliwa na njia ya kemikali ina faida za muundo kamili zaidi wa pore na usambazaji wa ukubwa wa pore sare zaidi.


2 . Mali ya Alumini inayotumika Oxide

The amilifu alumina ina high maalum uso eneo na porosity, na kuna idadi kubwa ya nafasi za oksijeni juu ya uso wake, ambayo inafanya kuwa na adsorption nguvu na mali catalytic.

Meanwhile , alumina iliyoamilishwa pia ina upinzani bora wa halijoto ya juu na utulivu wa kemikali, na haiharibiwi kwa urahisi na maji, asidi, alkalis na dutu zingine za kemikali.

Therefore , alumina iliyoamilishwa ina matarajio mapana ya matumizi katika maeneo kama vile adsorption, kichocheo, na utengano.

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3 . Maombi ya Oksidi ya Alumini Inayotumika

(1) Nyenzo za kunyonya: Alumina iliyoamilishwa ina sifa bora za kunyonya na inaweza kutumika katika nyanja kama vile usafishaji wa hewa, matibabu ya maji, na matibabu ya gesi taka.

Kwa mfano, kutumia alumina iliyoamilishwa kama adsorbent ya gesi taka. matibabu yanaweza kuondoa kwa ufanisi gesi hatari kama vile dioksidi ya salfa na oksidi za nitrojeni.

(2) Kichocheo cha kubeba: Alumina iliyoamilishwa hutumiwa kama kichocheo cha kubeba, ambacho kinaweza kuongeza shughuli ya kichocheo na uteuzi wa kichocheo.

Kwa mfano, katika sekta ya petrokemikali, alumina iliyoamilishwa mara nyingi hutumiwa kama kichocheo cha kubeba, ikiajiriwa katika athari kama vile hidrojeni, upungufu wa maji mwilini, na kupasuka.

(3) Nyenzo za kutenganisha: Alumina iliyoamilishwa



ParameterProperties ya alumini maalum oxidized kwa peroxide hidrojeniProperties ya Active Aluminium Oxide DesiccantActive alumina fluoride removerCrystalline phaseγ-Al2O3x-ρ Al2O3
Dimension (mm) 7 ~ 14mesh Φ3 ~ 5,Φ4 ~ 6,Φ5 ~ 7Φ3 ~ 5,Φ4 ~ 6,Φ5 ~ 7,Φ8-10Φ1.5 ~ 2,Φ4 ~ 3,Φ4 ~ 6,Φ5 ~ 7appearanceWhite spherical shapeWhite spherical shape shapeDensity
(g/cm3) 0.68-0 .750.68~0.890.75Nguvu(N/ 14

water kunyonya (%)> 50

Static uwezo wa adsorption (RH%)
18
Except kwa ajili ya fluorine
(mgF/g Al2O3)

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