Conductive honey comb ceramic catalyst carrier and its preparation method
A catalyst carrier, honeycomb ceramic technology, applied in catalyst carrier, chemical instrument and method, physical/chemical process catalyst, etc., can solve the problems of polluted environment, large heat capacity, not completely solved, etc., to achieve the effect of good electrical conductivity
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Embodiment 1
[0025] Titanium dioxide (TiO2) purified from mines 2 ), the boron trioxide powder (B 2 o 3 ), common industrial pure aluminum powder (Al) is raw material, and the purity of three kinds of powders is all 98%, and particle size is all>200 orders, and above three kinds of powders are pressed Al:TiO 2 :B 2 o 3 =37.6%: 33.3%: 29.1% weight percentage is evenly mixed, and 2% gum arabic is added to form a dough, and the honeycomb ceramic carrier pottery embryo is formed by extrusion technology. Heat treatment at 200°C for 0.5-2 hours, and then use electric spark or laser beam to ignite self-propagating high-temperature synthesis to obtain the finished product. The product performance analysis table is as follows:
[0026] main chemical ratio
Embodiment 2
[0028] Except that the percentage weight ratio of the raw material is Al:TiO 2 :B 2 o 3 =40%: 32%: 28%, add 10% gum arabic bonding, carry out heat treatment at 400 ℃, other processes are the same as embodiment 1, make finished product.
[0029] main chemical ratio
Embodiment 3
[0031] Except that the percentage weight ratio of the raw material is Al:TiO 2 :B 2 o 3 =38.8%: 32.6%: 28.6%, add 5% gum arabic bonding, carry out heat treatment at 300 ℃, other processes are the same as embodiment 1, make finished product.
[0032] main chemical ratio
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