METHOD AND APPARATUS FOR OPERATING A GAS TURBINE POWER PLANT AT LOW LOAD CONDITIONS WITH STACK COMPLIANT EMISSIONS LEVELS
An apparatus for a gas turbine power plant that uniquely configures emission control equipment such that the plant can extend the emissions compliant operational range, the apparatus including a plurality of oxidation (CO) catalysts arranged in series.
1 . An apparatus for a gas turbine power plant that uniquely configures emission control equipment such that the plant can extend the emissions compliant operational range below the traditional GT MECL, said apparatus comprising:
a plurality of oxidation (CO) catalysts arranged in series.
2 . A method for operating a gas turbine power plant with the apparatus described in claim 1 such that the plant can extend the emissions compliant operational range below the traditional GT MECL.
3 . The apparatus according to claim 1 , further comprising: a NOx catalyst downstream of said plurality of oxidation catalysts that reduces NOx emissions to maintain emissions compliance at low loads as well as normal operating loads.
4 . The apparatus according to claim 1 , further comprising: at least one NOx catalyst that is capable of a high NO2 conversion rate and reduces NOx emissions to maintain emissions compliance at low loads as well as normal operating loads.
5 . An existing power plant that is retrofitted with said apparatus according to claim 1 .
6 . An existing power plant that is retrofitted with said apparatus according to claim 3 .
7 . An existing power plant that is retrofitted with said apparatus according to claim 4 .
8 . An apparatus for a gas turbine power plant that uniquely configures emission control equipment such that the plant can operate in emissions compliance at specific loads below the MECL where the gas turbine emissions are at or near a local minimum, said apparatus comprising:
a plurality of oxidation (CO) catalysts arranged in series.
9 . A method for operating a gas turbine power plant with the apparatus described in claim 8 such that the plant can operate in emissions compliance at specific loads below the MECL where the gas turbine emissions are at or near a local minimum.
10 . The apparatus according to claim 8 , further comprising: a NOx catalyst downstream of said plurality of oxidation catalysts that reduces NOx emissions to maintain emissions compliance at low loads as well as normal operating loads.
11 . The apparatus according to claim 8 , further comprising: at least one NOx catalyst that is capable of a high NO2 conversion rate and reduces NOx emissions to maintain emissions compliance at low loads as well as normal operating loads.
12 . An existing power plant that is retrofitted with said apparatus according to claim 8 .
13 . An existing power plant that is retrofitted with said apparatus according to claim 10 .
14 . An existing power plant that is retrofitted with said apparatus according to claim 11 .
15 . An apparatus for a gas turbine power plant that uniquely configures emission control equipment such that emissions during start-up and shut-down are significantly reduced, said apparatus comprising:
a plurality of oxidation (CO) catalysts arranged in series.
16 . A method for operating a gas turbine power plant with the apparatus described in claim 15 such that emissions during start-up and shut-down are significantly reduced.
17 . The apparatus according to claim 15 , further comprising: a NOx catalyst downstream of said plurality of oxidation catalysts that reduces NOx emissions to maintain emissions compliance at low loads as well as normal operating loads.
18 . The apparatus according to claim 15 , further comprising: at least one NOx catalyst that is capable of a high NO2 conversion rate and reduces NOx emissions to maintain emissions compliance at low loads as well as normal operating loads.
19 . An existing power plant that is retrofitted with said apparatus according to claim 15 .
20 . An existing power plant that is retrofitted with said apparatus according to claim 17 .
21 . An existing power plant that is retrofitted with said apparatus according to claim 18 .
22 . An apparatus for a gas turbine power plant that uniquely configures emission control equipment such that the plant can extend the emissions compliant operational range below the traditional GT MECL, said apparatus comprising: at least one NOx catalyst that is capable of a high NO2 conversion rate and reduces NOx emissions to maintain emissions compliance.
23 . A method for operating a gas turbine power plant with the apparatus described in claim 22 such that the plant can extend the emissions compliant operational range and/or significantly reduce start-up and shut-down emissions.
24 . An existing power plant that is retrofitted with said apparatus according to claim 22 .