Abstract

The present document describes a systematic procedure for the qualification of CO2 capture technology based on DNV-RP-A203 "Qualification Procedures for New Technology".

The procedure explains in detail how to identify, describe, and manage risks (failure modes or threats) with the implementation of new CO2 capture technology in a quantitative way by following a set of sequential steps known as the qualification process.

Introduction

It is expected that a significant part of the world's future need for electrical energy and heat will come from burning of natural gas, oil and coal, implying increased carbon dioxide (CO2) emissions to the atmosphere. A strong technology development of the CO2 capture technology is therefore needed to mitigate the effect on the climate. The energy sector, especially the oil and gas segment, has historically been slow in employing new technology. Thus, there is a need to develop and qualify new technological solutions that capture CO2 when burning fossil fuels.

Objective

The objective of the work presented here is to develop a tailor-made guideline for qualification of new CO2 capture technologies.

Methodology

In order to help companies in their effort to develop, test, and implement new technology, Det Norske Veritas (DNV) has developed and issued a recommended practice (RP), "DNV-RP-A203 Qualification procedures for new technology" [1]. The RP gives a structured and step-wise qualification approach that encompasses all key performance indicators of the new technology. The guideline being developed is based on the RP, but addresses the physics that governs the actual capture processes.

For new technology there are generally a lack of relevant codes and standards. Qualification according to functional requirements and reliability targets is therefore the rational approach. The objective of the qualification work process is to confirm that such requirements stated by the technology owner are complied to. This has been done by identifying potential failure modes related to the novel aspects of the technology, carrying out a risk ranking and setting up a test and analysis plan addressing the stronger contributors to overall risk.

Technology qualification is in this document defined as:

"The process of providing the evidence that the technology will function within specific limits with an acceptable level of confidence"

The different steps in the qualification process are schematically shown in Figure 1. In the present chapter, a brief description of the different steps in the technology qualification process is given as an overview and an introduction.

The technology qualification process

Qualification of new technology is a systematic process consisting of the following steps:

  • Definition of qualification basis

  • Technology assessment

  • Failure mode identification and risk ranking

  • Selection of qualification methods

  • Data collection (analysis and testing)

  • Functionality assessment

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