Technoeconomic Feasibility Study of Cement Plants as Reference Facilities for Centralized CO2 Capture in Industrial Sites

12 Pages Posted: 1 Apr 2021

See all articles by Pilar Lisbona

Pilar Lisbona

ARAID

Raffaele Gori

University of Pisa

Luis M Romeo

University of Zaragoza - Department of Mechanical Engineering

Umberto Desideri

University of Pisa

Date Written: March 15, 2021

Abstract

The proposed concept connects industrial sites with significant heat demands (self-produced in natural gas or coal-fired boilers) with a cement plant through the implementation of a calcium looping carbon capture system which uses the kiln furnace as calciner for both the cement and the capture plant. This new concept includes a carbonator reactor fed by CaO from the cement plant in each one of the industry sites to capture the CO2 content of their own flue gas. After carbonation reaction, the exhaust sorbent is transported back to the cement plant for regeneration in the kiln furnace. The aim of this project is to carry out a techno-economic feasibility study of the integration proposed. An introduction about the state of the art of the technologies involved, with particular regard to Ca-looping and to Oxy-fuel combustion in cement manufacturing, is presented to establish the context of the study.

In order to analyse various operation conditions of the proposed CO2 capture system, different levels of integration are described. The three studied scenarios are (i) the integration of the coal-fired industrial boiler and the cement plant, (ii) the integration of the natural gas-fired industrial boiler and the cement plant and (iii) the integration of both industrial boilers and the cement plant. An economic study is carried out to assess the feasibility of the centralized carbon capture system. The assumptions of carbon tax equal to 30 €/tCO2 and CaO cost of 20 €/tCaO were considered in the economic analysis. Under these conditions there are room for economic feasibility of both, the small industries and the cement plant as saving are obtained when the scenarios are integrated. It must be pointed out that the economic feasibility of the proposed concept will strongly depend on the policies of emissions taxation.

JEL Classification: Carbon capture, cement production, oxycombustion, centralized capture system, economic feasibility

Suggested Citation

Lisbona, Pilar and Gori, Raffaele and Romeo, Luis M and Desideri, Umberto, Technoeconomic Feasibility Study of Cement Plants as Reference Facilities for Centralized CO2 Capture in Industrial Sites (March 15, 2021). Proceedings of the 15th Greenhouse Gas Control Technologies Conference 15-18 March 2021, Available at SSRN: https://ssrn.com/abstract=3815631 or http://dx.doi.org/10.2139/ssrn.3815631

Pilar Lisbona

ARAID

Av. de Ranillas 1-D
Zaragoza, 50018
Spain

Raffaele Gori

University of Pisa

Via Carlo Francesco Gabba, 22
Pisa PI, 56122
Italy

Luis M Romeo (Contact Author)

University of Zaragoza - Department of Mechanical Engineering ( email )

Zaragoza
Spain

Umberto Desideri

University of Pisa ( email )

DESTEC
Largo Lucio Lazzarino
Pisa, PI 56122
Italy

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