Methodology for developing gate-to-gate Life Cycle Inventory information

Concepción Jiménez-González, Seungdo Kim, Michael R. Overcash

Research output: Research - peer-reviewArticle

  • 93 Citations

Abstract

Life Cycle Assessment (LCA) methodology evaluates holistically the environmental consequences of a product system or activity, by quantifying the energy and materials used, the wastes released to the environment, and assessing the environmental impacts of those energy, materials and wastes. Despite the international focus on environmental impact and LCA, the quality of the underlying life cycle inventory data is at least as, if not more, important than the more qualitative LCA process. This work presents an option to generate gate-to-gate life cycle information of chemical substances, based on a transparent methodology of chemical engineering process design (an ab initio approach). In the broader concept of a Life Cycle Inventory (LCI), the information of each gate-to-gate module can be linked accordingly in a production chain, including the extraction of raw materials, transportation, disposal, reuse, etc. to provide a full cradle to gate evaluation. The goal of this article is to explain the methodology rather than to provide a tutorial on the techniques used. This methodology aims to help the LCA practitioner to obtain a fair and transparent estimate of LCI data when the information is not readily available from industry or literature. Results of gate-to-gate life cycle information generated using the cited methodology are presented as a case study. It has been our experience that both LCI and LCA information provide valuable means of understanding the net environmental consequence of any technology. The LCI information from this methodology can be used more directly in exploring engineering and chemistry changes to improve manufacturing processes. The LCA information can be used to set broader policy and to look at more macro improvements for the environment.

LanguageEnglish (US)
Pages153-159
Number of pages7
JournalInternational Journal of Life Cycle Assessment
Volume5
Issue number3
StatePublished - 2000
Externally publishedYes

Profile

life cycle
methodology
Life cycle
material
environmental consequence
Environmental impact
chemical substance
environmental impact
manufacturing
engineering
industry
energy
environmental impact of energy
raw material
evaluation
chemical engineering
policy
product
Chemical engineering
Macros

Keywords

  • Ammonia production
  • Carbon dioxide production
  • Fugitive emissions
  • Gate-to- gate life cycle
  • Heat transfer efficiency
  • Life Cycle Assessment
  • Life Cycle Inventory
  • Life cycle of processes
  • Potential energy recovery
  • Process design

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Environmental Chemistry

Cite this

Methodology for developing gate-to-gate Life Cycle Inventory information. / Jiménez-González, Concepción; Kim, Seungdo; Overcash, Michael R.

In: International Journal of Life Cycle Assessment, Vol. 5, No. 3, 2000, p. 153-159.

Research output: Research - peer-reviewArticle

Jiménez-González, Concepción ; Kim, Seungdo ; Overcash, Michael R./ Methodology for developing gate-to-gate Life Cycle Inventory information. In: International Journal of Life Cycle Assessment. 2000 ; Vol. 5, No. 3. pp. 153-159
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