Brazil: Rhodia N20 Emission Reduction in Paulinia, SP
(Spanish Carbon Fund)
UNFCCC Reference No.: 0116
1 Project Documents
The Rhodia N2O Project targets the abatement of nitrous oxide (N2O) in the chemical sector of Brazil through thermal decomposition at the Rhodia Energia Brasil Ltda plant in Paulínia, a town located in the state of Sao Paulo. N2O is generated as a by-product of the production of adipic acid (C6H10O4) and is emitted in the waste gas stream. The N2O is treated at a very high temperature (1,300 C) to ensure its complete decomposition and minimize the formation of unwanted by-products. The flue gas coming from the thermal oxidizer is used to produce superheated steam, which is fed into the existing on-site steam network.
N2O is a powerful greenhouse gas with a global warming potential (GWP) that is about 300 times greater than the global warming potential of CO2. N2O emissions are covered under the Kyoto Protocol’s basket of six regulated greenhouse gases (GHGs.) The estimated volume of emission reductions generated by the project during its first crediting period (2007 – 2013) is appoximately 42 million tCO2e (36 million tCO2e generated before the end of 2012)
The development objective of the Project is to reduce emissions of N2O which would, in the absence of the project, have been emitted into the atmosphere contributing to the damaging effects of climate change. The main use for adipic acid is as a component of nylon, and thus, adipic acid production trends are closely correlated with nylon consumption trends. Rising demand for engineering plastics has sparked expansion in existing adipic acid capacity in North America and Western Europe, as well as new facilities in the Asia-Pacific region. Economic drivers for adipic acid production include new housing starts and nylon engineering resins in the automotive and electronics industries.
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