Patent ID: 8828342
Filing Date: 2014-09-09
Classification: B01D,F01N,F02B,Y02T

Abstract:
1. An exhaust gas treatment system for treating an exhaust gas, the exhaust gas treatment system comprising: a first section having at least one exhaust gas treatment component; a bypass section having a bypass valve and a heater, the heater being downstream of the bypass valve, the heater being configured to elevate the temperature of at least a portion of the exhaust gas; and a second section in fluid communication with the first section and the bypass section, the second section including a selective catalytic reduction system; wherein the bypass valve is in a closed position when the exhaust gas satisfies a threshold condition such that the exhaust gas flows through the first section and to the second section, and wherein the bypass valve is in an open position when the exhaust gas does not satisfy the threshold condition such that at least a portion of the exhaust gas in the exhaust gas treatment system flows through the bypass section and to the second section.