活性氧化鋁

使用氧化鋁作爲催化劑的常用形式被稱爲“活性氧化鋁”,它是一種多孔、高度分散的固體材料,具有較大的比表面積,其微孔表面具有催化所需的特性,如吸附性能、表面活性、優異的熱穩定性等,因此在化學反應中被廣泛用作催化劑和催化劑載體。...
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活性氧化鋁又稱活性氧化鋁珠,是一種具有高吸附量、熱穩定性和化學穩定性的材料。

以鋁酸鹽或氫氧化鋁爲原料,在高溫條件下形成微小的球形顆粒,這些顆粒的孔隙率在40%以上。

Activated氧化鋁在環保、能源、化工等領域具有廣闊的應用前景。活性氧化鋁的



The製備方法主要包括物理方法和化學方法兩大類。

Physical方法:通過利用高溫、高壓和高速旋轉,在特定條件下將氧化鋁或氫氧化鋁顆粒轉化爲球形顆粒。

物理方法制備的活性氧化鋁具有粒徑分佈均勻、表面光滑的優點。

1 (5).jpg

Chemical方法:採用溶膠-凝膠法、水熱法、共沉澱法等方法,通過化學反應可得到球形顆粒。


1。化學法制備的活性氧化鋁具有孔隙結構更完整、孔徑分佈更均勻的優點。


2活性鋁的性質Oxide

The活性氧化鋁具有較高的比表面積和孔隙率,其表面存在大量的氧空位,使其具有較強的吸附和催化性能。

Meanwhile,活性氧化鋁還具有優異的耐高溫性和化學穩定性,不易被水、酸、鹼等化學物質侵蝕。

Therefore,活性氧化鋁在吸附、催化、分離等領域具有廣闊的應用前景。

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3。活性氧化鋁

的應用(1)吸附材料:活性氧化鋁具有優異的吸附性能,可用於空氣淨化、水處理、廢氣處理等領域。

例如,使用活性氧化鋁作爲廢氣處理的吸附劑,可以有效去除二氧化硫和氮氧等有害氣體。

(2)催化劑載體:使用活性氧化鋁作爲催化劑載體,可以增強催化劑的催化活性和選擇性。

例如,在石油化工行業,活性氧化鋁經常被用作催化劑載體,用於加氫、脫氫和裂化等反應。

(3)分離材料:活性氧化鋁具有較高的比表面積和孔隙率,可用於分離材料的製備。

例如,使用活性氧化鋁作爲分離材料可以顯着提高分離有機物的效率和選擇性。



ParameterProperties特殊氧化鋁用於過氧化氫乾燥劑性能活性氟化鋁去除劑晶相γ-Al2O3x-ρAl2O3
Dimension(mm)7~14目Φ3~5、Φ4~6、Φ5~7Φ3~5、Φ4~6、Φ5~7、Φ8-10Φ1.5~2、Φ4~3、Φ4~6、Φ5~7外觀白色球形白色球形shapeDensity
(g/cm3)0.68-0.750.68~0.890.75強度(N/粒)>50>13050~80比表面積(m2/g)200~260280~360280~360孔體積(cm3/g)0.40~0.460.38~0.400.4大孔(>750A)0.14

water吸收(%)>50

Static吸附量(RH%)
18
Exceptfluorine
(mgF/g Al2O3)

1。

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