Cordierite Ceramic Catalyst

Specifications The Enameling Machine exhaust catalyst

Advantage:

10000 hours using life

high purifying efficiency

long light-off temper

         Cordierite Ceramic Catalyst    Related parameters:   Specifications 1.thin cordierite ceramic walls,thermal efficiency and pressure drop advantages
2.RTO industry, Thermal stock,waste gas treat Honeycomb Ceramic Monolith Charactor: 1)It has advatange of high surface area, high heat capacity, low thermal expension, corrosion resistant and temperature resistance, widely use in chemical, metallurgical, gas and environmental protection industries. Main application are: a.Tower packing-high surface area, uniform distribution fluid, high efficiency of mass transfer. b.Catalyst carrier-reduce the oxidation temperature of VOA in purification of industrial exhaus gas. c.Thermal regenerative packing-good heat capacity, saving energy 40-70%in RTO system. d.Gas combustion distributing pl ate-distribute uniformly and make the combustion complete, saving energy more than 10% e.refractory kiln furniture-low bulk density, good thermal efficiency. 2):

Tpye and Size of the product
Item		1	2	3	4	5	6
Quantity of channels		5×5	13×13	20×20	25×25	40×40	50×50
Channel density, cm-2		0.15	1	2	3	5	11
Width of channel, mm		26.3	9.2	6.4	4.9	3	2.3
Thickness of wall, m2/m3		2	1.5	1.2	1.0	0.7	0.7
surface area,m2/m3		117	278	455	540	825	1005
Free volume%		77	74	73	67	65	57
Sizes, mm		standard sizes:150×150×50/100/150/300
		Others:100×100×100×40

3)Physical &Chemical Properties Honeycomb Monoiiths:

Physical &Chemical Properties Honeycomb Monoiiths
Item		Aiumina	Mullite	Dense cordierite	Porous corierite	Mullire Cordierite	Stoneware
Chemical composltion %	Ai2O3	48-55	66-72	32-36	32-37	55-65	20-26
	SiO3	40-45	25-30	45-52	46-52	28-36	68-75
	MgO	/	/	5/8	8/12	2.5-3.2	0.2-0.3
	K20+Na20+CaO	4.0-5.5	≤1.0	≤3.0	≤2.0	≤1.0	≤2.5-4.0
Density, G/cm3		2.7	2.9	2.4-2.6	1.9-2.0	2.9-3.2	2.3-2.5
Coefficient of thermal expansion (20-1000°C),×10-6·°C		5/7	5.5-6.5	2.5-3.5	1.3-2.5	2.5-4.0	5/7
Heat capacity (20-1000°C), J/kg·°C		800-900	1100-1300	800-1200	750-900	850-1100	840-920
Thermal conductivity (20-1000°C), W/m·°C		1.5-2.5	1.5-2.0	1.5-2.5	1.3-1.5	1.5-2.3	1.0-1.2
Thermal shock, °C		≥ 150	≥ 350	≥ 250	≥360	≥250	≥150
Max. Working temp.°C		1300	1600	1300	1300	1400	1300

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