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what kind of denitration method is there in natural gas boiler

CN1768902A - Ozone oxidation and denitration method of ...

The invention provides a method for processing de-nitration on the boiler smoke belonging to the environmental protective technique. The method comprises: ejecting ozone O3 into the low-temperature section of smoke channel of boiler whose temperature ranges from 110-150Deg. C; oxygenizing the nitric oxide NO into high-state nitrogen oxide as NO2 NO3 or N2O5; washing the smoke with alkali ...

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US7842266B2 - Method of denitration of exhaust gas and ...

A method of exhaust gas denitration in which nitrogen oxides contained in a low-temperature exhaust gas are removed at a high NO x removal efficiency. A injection pipe ( 11 ) is disposed in a flue ( 10 ) for an exhaust gas (x) so that the pipe protrudes from the inner wall of the flue. A hydrocarbon compound (b) and a nitrogen compound (a) are supplied through the injection pipe ( 11 ) into ...

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frp boiler flue gas denitration tower

Denitration of the gas-fired boiler flue gas based on . ... The technical solution used in the present invention is a kind of denitration of boiler smoke method the steps include: (1) be that 110150 boiler flue low-temperature zone sprays into ozone O ... 45 days in the community natural gas boiler

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CN101351629B - Process for denitration of exhaust gas ...

A denitration process for removing nitrogen oxides contained in low-temperature exhaust gas at a high degree of denitration namely a denitration process for removing reductively nitrogen oxides contained in an exhaust gas (x) containing nitrogen monoxide and sulfur dioxide through reductive decomposition which comprises the preliminary step (2) of oxidizing part of the nitrogen monoxide ...

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CN101927124A - Flue gas denitrification method - Google ...

The invention discloses a flue gas denitrification method. The method comprises the following steps of: feeding the flue gas into a desulphurization device after dust removal wherein the desulphurization device comprises three to six layers of spraying layers; injecting a strong oxidizer into the flue gas entering a spraying tower by pressurization; contacting the flue gas with ...

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