Porous ceramic filtering balls

Products introduction:

Porous ceramic balls is also called filtering balls. It is made by make 20-30% pores inside the inert ceramic balls. Therefore it can be used not only for supporting and covering the catalyst, but also for filtering and eliminating the impurities of grain, gelatin, asphalting, heavy metal and iron ions of less than 25um. If the porous ball is set on the top of a reactor, the impurities fail to be eliminated in former process could be adsorbed in the pores inside the balls, there upon protect the catalyst and prolong the operating cycle of the system.As the impurities present in the materials are different, the user can select the product by their sizes, pores and porosity, or if necessary, add molybdenum, nickel and cobalt or other active components to prevent the catalyst from coking or poisoning.

Product Details

Physical Properties

Type		Feldspar	Feldspar- Molai		Molai Stone		Molai- Corundum		Corundum
Item
Chemical Content (%)	Al2O3	20-30	30-45		45-70		70-90		≥90
	Al₂O₃+ SiO₂	≥90
	Fe₂O₃	≤1
Water Adsorption (%)		≤5
Acid Resistance (%)		≥98
Alkaki Resistance (%)		≥80		≥82		≥85		≥90		≥95
Operation Temperature(°C)		≥1300		≥1400		≥1500		≥1600		≥1700
Crushing Strength (N/Piece)	Φ3mm	≥400		≥420		≥440		≥480		≥500
	Φ6mm	≥480		≥520		≥600		≥620		≥650
	Φ8mm	≥600		≥700		≥800		≥900		≥1000
	Φ10mm	≥1000		≥1100		≥1300		≥1500		≥1800
	Φ13mm	≥1500		≥1600		≥1800		≥2300		≥2600
	Φ16mm	≥1800		≥2000		≥2300		≥2800		≥3200
	Φ20mm	≥2500		≥2800		≥3200		≥3600		≥4000
	Φ25mm	≥3000		≥3200		≥3500		≥4000		≥4500
	Φ30mm	≥4000		≥4500		≥5000		≥5500		≥6000
	Φ38mm	≥6000		≥6500		≥7000		≥8500		≥10000
	Φ50mm	≥8000		≥8500		≥9000		≥10000		≥12000
	Φ75mm	≥10000		≥11000		≥12000		≥14000		≥15000
Bulk Density (kg/m³)		1100-1200		1200-1300		1300-1400		1400-1550		≥1550

Size and tolerance(mm)

Diameter	6 /8 /10	13 /16 /20 /25	30 /38	50/60 /75
Tolerance of diameter	±1.0	±1.5	±2.0	±3.0
Pore diameter	2-3	3-5	5-8	8-10

Physical Properties

Type		Feldspar	Feldspar- Molai		Molai Stone		Molai- Corundum		Corundum
Item
Chemical Content (%)	Al2O3	20-30	30-45		45-70		70-90		≥90
	Al₂O₃+ SiO₂	≥90
	Fe₂O₃	≤1
Water Adsorption (%)		≤5
Acid Resistance (%)		≥98
Alkaki Resistance (%)		≥80		≥82		≥85		≥90		≥95
Operation Temperature(°C)		≥1300		≥1400		≥1500		≥1600		≥1700
Crushing Strength (N/Piece)	Φ3mm	≥400		≥420		≥440		≥480		≥500
	Φ6mm	≥480		≥520		≥600		≥620		≥650
	Φ8mm	≥600		≥700		≥800		≥900		≥1000
	Φ10mm	≥1000		≥1100		≥1300		≥1500		≥1800
	Φ13mm	≥1500		≥1600		≥1800		≥2300		≥2600
	Φ16mm	≥1800		≥2000		≥2300		≥2800		≥3200
	Φ20mm	≥2500		≥2800		≥3200		≥3600		≥4000
	Φ25mm	≥3000		≥3200		≥3500		≥4000		≥4500
	Φ30mm	≥4000		≥4500		≥5000		≥5500		≥6000
	Φ38mm	≥6000		≥6500		≥7000		≥8500		≥10000
	Φ50mm	≥8000		≥8500		≥9000		≥10000		≥12000
	Φ75mm	≥10000		≥11000		≥12000		≥14000		≥15000
Bulk Density (kg/m³)		1100-1200		1200-1300		1300-1400		1400-1550		≥1550