Exhaust Gas Reduction Systems

Ceracomb Co., Ltd. is a company that manufactures and supplies ceramic honeycomb based substrate, catalyst and exhaust gas reduction systems for vehicles. It acquired ISO 9000/14000 certification and TS 16949.
Ceracomb participated in a project conducted by the Ministry of Environment to improve air quality in Seoul by installing catalyst converters to operating vehicles that do not meet the emission standards. By this project, Ceracomb was able to supply DOC converters that reduce hydrocarbons, carbon monoxide and SOF (Soluble Organic Fraction of Diesel Particulates) among the PM portion to about 50,000 vehicles in the Korean market.
In 2008, the government implemented stronger restrictions requiring higher PM reduction. This prompted Ceracomb to develop and supply a partial DPF system that guarantees more than 50% PM reduction. Restrictions on PM emissions were strengthened in 2011, so Ceracomb developed its active –passive (Hybrid) DPF system that guarantees more than 80% of PM reduction, which is certified by the Korean government.
Ceracomb’s catalyst substrate is a material with high temperature durability and high thermal shock resistance and provides structurally high geometric surfaces. Due to its characteristics of excellent permeability, porousness and well-adjusted porosity, it is used as a catalyst substrate for automobiles, coating much greater quantities of the catalyst evenly.
Cordierite DPF filter is one of the major products for the automotive OEM market. The DPF filter has blocked cells that give it a different structure to other ceramic honeycomb products. Every channel of DPF is blocked on either side to trap PM inside the DPF filter while letting the exhaust gas to pass through walls due to its porous characteristics.
The three-way catalyst converts HC, CO, NOx, etc., among the exhaust gases generated from the gasoline engine to harmless gases such as CO2, H2O, etc., at the same time.
Exhaust reduction systems are categorized according to the DPF regenerating method, and the active type regenerates through burning PM by installed burner, while the passive type eliminates PM by a catalytic reaction, and the hybrid type uses both the active and passive method to regenerate DPF. Ceracomb participated in an exhaust gas reduction project in China and started supplying the DPF system to more than 5,000 vehicles.
The company also developed the selective catalytic reduction (SCR) catalyst, a technology that removes nitrogen oxides emitted by diesel automobiles, and it is a catalyst which converts NOx into N2 and H2O by reacting the ammonia sprayed from SCR catalyst shear with NOx.
In 2012, Ceracomb achieved Q-level quality certification from Korea Hydro & Nuclear Power Co., Ltd., and was selected as a PAR (Passive Autocatalytic Recombiner) supplier, supplying 18 nuclear power plants in Korea.
In 2015, Ceracomb acquired the certification of simultaneous PMNOx reduction apparatus for the Air Quality Improvement Project of the Seoul metropolitan area. Currently, it is proceeding with the OEM of the automobile exhaust gas reduction apparatus in Iran.

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