Catalytic abatement of N2O in Nitric Acid Plant of Shiraz Petrochemical Company

Audit Analysis

A CDM N2O abatement project in a nitric acid plant with VVB-confirmed additionality via an investment test, but undermined by nine corrective actions, multiple inter-document contradictions, and a project-specific modeled baseline. The project delivered roughly 76% of its pro-rata expected emissions reductions for the monitored period, which is conservative. Key gaps include absent FPIC documentation, no grievance mechanism, and unverified ERR figures.

Project Description

Red Flags

• ⚠Nine corrective actions were required at validation, including missing cost analysis for alternatives, unclear baseline scenario steps, and unaddressed stakeholder comments on a potentially financially attractive baseline (N2O-optimized gauzes)
• ⚠Total ERR claimed differs by a factor of ~7.4 between the PDD (5,119,525 tCO2e lifetime) and the monitoring report (691,555 tCO2e for one monitoring period); while on different bases, the pro-rata delivery is only ~76% of expectation, and the verified ERR figure is not stated in available documents
• ⚠No FPIC or grievance mechanism is documented despite safeguards being mentioned, and the project operates in Iran where independent stakeholder engagement may be constrained

Credit Vintages