SCR Denitrification Catalyst

Name: SCR Denitrification Catalyst
Brand: Foshan Creater Environmental Protection Technology Co., Ltd.
Availability: InStock

It is the core component of selective reduction catalysis technology. The raw flue gas from the kiln/boiler is first mixed with ammonia gas at 150-420 ℃, and then evenly distributed through flow guidance and rectification. Then, it passes through a honeycomb type denitrification catalyst, and the mixed flue gas undergoes catalytic reaction on the catalyst surface to generate clean nitrogen gas and water. Finally, it is discharged or enters the next unit. And SCR denitrification catalysts have small volume, large specific surface area, and high activity; Featuring high denitrification efficiency, the monomer adopts front-end hardening technology and is resistant to erosion; Suitable for a wide temperature range of 150 ℃ -420 ℃, widely used in industries such as steel, waste incineration power generation, gas heating boilers, papermaking, acid washing, cement, lime, non-ferrous metallurgy, ships, diesel engines, gas turbines, etc.

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Specification of SCR Denitrification Catalyst

Size&SPEC

Cell Density	Inner Wall Thickness (mm)	Outer Wall Thickness (mm)	Pore Size (mm)	Open Porosity (%)	Specific Surface Area (m²/m³)
13×13	1.5	2.3	10.1	76.0	302
Lime 15×15	1.1	1.7	8.7	75.7	347
16×16	1.0	1.5	6.2	76.4	372
18×18	1.0	1.4	7.2	75.2	415
20×20	1.0	1.5	6.4	73.3	456
21×21	0.9	1.4	6.2	75.1	485
22×22	0.8	1.3	5.9	75.4	509
25×25	0.8	1.3	5.1	73.2	569
30×30	0.7	1.2	4.2	71.4	667
35×35	0.6	1.2	3.7	69.5	780
40×40	0.6	1.0	3.2	68.8	887
45×45	0.5	1.0	2.7	65.6	972

Performance comparison of different types of SCR catalysts

Performance Parameter	Honeycomb Catalyst	Plate Catalyst	Corrugated Catalyst
Forming Process	Ceramic extrusion; uniform forming; integral structure made entirely of active components	Metal substrate with surface-coated active components	Corrugated fiber substrate with surface-coated active components
Characteristics	Large specific surface area, high activity, small required catalyst volume; contains 50-70% more active material than other types; retains selectivity after regeneration	Small surface area, large catalyst volume; simple automated production, good gas flow; prone to clogging between modules; contains 50% less active material than honeycomb type	Surface area between honeycomb and plate types; light weight, high production automation; contains 70% less active material than honeycomb type; sensitive to gas flow; prone to clogging between modules
Base Material	Monolithic extrusion	Stainless steel plate	Glass fiber board
Required Volume (Under Identical Conditions, Relative to Honeycomb = 100)	100	153-178	130
Catalyst Activity	High	Low	High
Specific Surface Area	Large	Medium	Small
Pressure Drop	High	Medium	Low
Arsenic (As) Poisoning Resistance	Strong	Medium	Strong
Abrasion Resistance	Good	Poor	Good
Risk of Clogging	Medium	Low	Medium
Thermal Resistance	Medium	Medium	Medium
Application Scope	Suitable for both high and low dust conditions	Suitable for both high and low dust conditions	Mainly used for low dust conditions
Overall Cost	Low	Average	Relatively low

Specification of SCR Denitrification Catalyst

Features of SCR Denitrification Catalyst

Integrated molding, with activity throughout the body;
Small volume, large specific surface area, high activity;
Catalytic active substances are 50-70% more than other types;
Strong ability to handle flue gas and high denitrification efficiency; SOz/SO3 conversion rate<1%, NH3 escape rate<3ppm;
The monomer adopts front-end hardening technology, which is resistant to erosion;
Wide applicable temperature range: 150 ℃ -420 ℃; The degree of production automation is high.

SCR Denitrification Catalyst

Reaction Mechanism of SCR Denitrification Catalyst

The raw flue gas from the kiln/boiler is first mixed with ammonia at 150-420 ℃. After being guided and rectified, the flue gas is evenly distributed. Then, it passes through a honeycomb type denitrification catalyst, and the mixed flue gas undergoes catalytic reaction on the catalyst surface to generate clean nitrogen gas and water. Finally, it is discharged or enters the next unit.

Reaction Mechanism of SCR Denitrification Catalyst

Applciations of SCR Denitrification Catalyst

Steel industry - coking, sintering, pellet production.

Municipal industry - waste incineration power generation, gas-fired heating boilers, hot spot cogeneration plants.

Chemical and light industry - waste incineration, papermaking, acid washing, pharmaceuticals.

Building materials industry - ceramics, refractory materials, glass, cement, lime.

Nonferrous metallurgical industry - lithium industry, aluminum industry, magnesium industry, silicon industry.

Transportation industry - ships, diesel engines, gas turbines.

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