Media Gas
Origin Fuel oil or fuel gas combustion in heaters
Destination Atmosphere
Quantity Can be known from process data
Composition CO
2
, SOx, NOx, PM, VOCs, metals - Calculated with Emission
Factors
These emissions are indirect emissions from the process. They come from the fuel
combustion in heaters. These emissions can be estimated thanks to Emission Factors. They
depend on the type of fuel burned, firing practice and postcombustion controls. The choice of
fuel oil or fuel gas burned in furnaces depends on the fuel available on-site.
3.6.2. Regeneration section As in reaction section, there are similar fugitive emissions and gas relieves in regeneration
section. Other effluents are described below.
Caustic purge
Media Liquid
Origin Washing drum
Destination Effluent treatment system
Quantity Can be found in material balance
Composition H
2
O, Sodium salts (0.25% wt): NaCl + Na
2
CO
3
+ NaOCl, NaOH
(1mg/l max), HCl (1mg/l max), H
2
CO
3
, CO
2
(3g/l max), dioxins
Trace amounts of dioxins have been observed in catalytic reforming process effluents. This
can be due to coke burning, high temperatures and chlorine presence. More information is
given in paragraph 3.8.
Regeneration loop purge
Media Gas
Origin Washing drum
Destination Atmosphere
Quantity Can be found in material balance
Composition N
2
, CO
2
, O
2
, H
2
O. Possible presence of CO, HCl, SO
2
.
