Type of Project

Certified Emission Reductions (CERs)

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Project Description

Brief Description of project: Elnasser for coke and chemicals company facilities include two nitric acid production lines with total capacity 200 tons equivalent /day 100% nitric acid, only one line in operation producing dilute nitric acid 50-55%. The technology employed is atmospheric pressure Kurpp-Udhe technology (germane licensor). Production of nitric acid typically involves three main steps: 1. Oxidation of ammonia (NH3) with Oxygen (O2) to produce nitrogen oxide (NO). 2. Oxidation of NO with O2 to produce nitrogen dioxide (NO2). 3. Reacting NO2 with water (“absorption”) to produce nitric acid. N2O is formed as an unintended by-product of step 1. N2O is an inert gas which passes through the subsequent steps unchanged and is released to the atmosphere with the tail gas with annual emission 300 tons N2O to atmosphere; it is equivalent to 94,000 ton-CO2. The project activity proposed is to introduce a new basket of specific catalyst to decompose nitrous oxide gas into its elements nitrogen and oxygen. The decomposition contribution to GHG mission reduction of more than 75,000 ton CO2 equivalent per year for the duration of the project activity. Brief description of technology The project will implement one of the following technology options: 1. High temperature selective catalyst reduction on extra bed install in ammonia burner in nitric acid process chain. Technology supplied by BASF employed YAMAGUCHI NITRIC ACID PLANT JAPAN 2001. 2. Low temperature selective catalytic reduction through an extra reactor installation in off-gas of nitric acid production. Technology supplied by KRUPP-UHDE employed in ANTWERS NITRIC ACID PLANT 3 EUROPE in AMI AGROLINZ MELAMINE INTERNATIONAL GMH HINLINZ/AUSTRIA in 2003. day

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