However, exergy data on mineral resources available in the literature are inadequate to apply to exergetic life cycle analysis, due to. Lifecycle, environmental and social considerations. Life cycle assessment lca is the calculation and evaluation of the environmentally relevant inputs and outputs and the potential environmental impacts of the life cycle of a product, material or service sabs iso, 1998. An improved calculation of the exergy of natural resources for exergetic life cycle assessment elca. Exergetic life cycle assessment exlca exergy is defined as the maximum amount of work which can be produced by a system or a flow of matter or energy as it comes to equilibrium with a reference environment. An improved calculation of the exergy of natural resources. To do so, an exergetic lifecycle assessment has been carried out that enables the quantification of all necessary natural energy and material resources simultaneously. This study apprises the environmental impact of the clinker and portland cement production in iran, using life cycle impact assessment.
An introduction to life cycle assessment lca nick santero, ph. To determine exergy savings of exergy efficient systems the exergetic life cycle assessment has been used. This is the first study to apply a cumulative exergy extraction from the natural environment ceene method for an indepth. For instance, in the case of a manufactured product, environmental impacts are assessed from raw material extraction and processing cradle, through the product. The aim of this paper is to illustrate the use of the. Exergy as a measure of resource use in life cyclet assessment. This paper envisages a quantification of all energy and material needs for a family dwelling, both for the construction aspects embodied energy and materials and usage aspects. Read online opportunities of using exergetic life cycle assessment. An exergetic life cycle assessment elca and a classical environmental life cycle assessment lca have been performed for three carbon dioxide low emission power cycles. Huysveld, sophie, van lindenveerle, nico peiren, hilde muylle, ludwig lauwers, and jo dewulf. The future of building life cycle assessment in practice summary as the architectural and construction industries increasingly emphasize sustainability, more comprehensive methods are being developed to evaluate and reduce environmental impacts by buildings. Exergetic and environmental life cycle assessment analysis.
This study focused on the evaluation of biosolids management systems bms from a natural resource consumption point of view. Horse manure, the improper disposal of which, imposes considerable environmental costs, constitutes an apt feedstock for conversion to renewable fuels and chemicals when tail gas reactive pyrolysis tgrp is employed. Exergetic, energetic and environmental dimensions 1st. Ehtiwesh and others published exergetic and environmental life cycle assessment analysis of concentrated solar power plants find, read and cite all the. Additionally, the environmental impact of the facilities was benchmarked using life cycle assessment lca to provide a comprehensive assessment. Fuels and chemicals from equinewastederived tail gas. The waste heat power generation improved the efficiency of each production system.
The study addresses an exergetic analysis combined with a life cycle assessment of concentrated solar power csp plants. Read exergetic lifecycle assessment elca for resource consumption evaluation in the built environment, building and environment on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Pavement life cycle assessment workshop 6 ucprctm201003 3 analysis period the analysis period refers to the time horizon during which the inputs and outputs associated with the functional unit for a system or systems are inventoried. Altayeb entitled, liquid fuel production from pyrolysis of waste tires. Process simulation, exergetic analysis, and life cycle assessment, submitted in june 2015. Lca is a tool to assess the potential environmental impacts and resources used throughout a products life cycle, i. Introduction life cycle assessment exergy and exergy analysis exergetic life cycle assessment exlca case study conclusions exergy analysis and its connection to life cycle assessment life cycle assessment handbook wiley online library. Life cycle assessment handbook wiley online library. Exergetic lifecycle assessment elca for resource consumption evaluation in the built environment. Sustainability analysis through exergetic life cycle assessment. The focus in environmental research is shifting from emission abatement to critical process analysis, including assessment of resource consumption. Finally, life cycle assessment of the process using simapro 7. Liquid fuel production from pyrolysis of waste tires.
The full life cycle environmental impacts can be challenging to model, because modern production pathways can involve numerous interacting technologies, each of which can consume materials and energy that are themselves products of complex production processes. An exergetic life cycle assessment elca and a classical environmental life cycle assessment lca has been performed for a carbon dioxide low emission power cycle. It covers three steps construction, operation and destruction. This article presents an effort to pinpoint how efficiently resources are used in the construction sector applying exergetic life cycle assessment methodology in a cradletograve life cycle approach. Life cycle assessment lca and exergetic life cycle assessmeinis. Ye sorunmu, p billen, y elkasabi, ca mullen, na macken, aa boateng.
Wastetoenergy, life cycle assessment, exergetic life cycle assessment, life cycle costing, social life cycle assessment, environmentenergyeconomy received 1st march 2017, accepted 12th august 2017 by associate editor rodrigo navia. Calculation of optimum insulation thickness of external. Waste management is an area where local conditions often influence the choice of policy options. The international journal of life cycle assessment 2016, 21 10, 7990. Data used in the cement manufacture life cycle inventory are based on site surveys of energy consumption, raw material use, and transportation distances. Life cycle assessment lca and exergetic life cycle. Request pdf life cycle assessment lca and exergetic life cycle assessment elca of the production of biodiesel from used cooking oil uco the paper assesses the life cycle of biodiesel. Exergetic, energetic and life cycle assessments of the.
Tgrp is a modification of fast pyrolysis that recycles its noncondensable gases and produces a biooil low in oxygen concentration and rich in naphthalene. The paper assesses the life cycle of biodiesel from used cooking oil uco. Afterward, results of simulation were validated with experimental data at different processing stages of modified claus process. Life cycle assessment home environmental assessment. Improved exergetic life cycle assessment through matrix reduction technique. By using exergetic life cycle cost assessment method for rock wool and glass wool as insulation materials, the changes of co 2 emission values, the environmental impact factor, and energy saving values are determined for optimum insulation thickness. Exergy analysis and its connection to life cycle assessment. Conducting a life cycle assessment lca there are four main phases of the lca process. Life cycle assessment lca is a method used to estimate the total environmental impacts from producing a good or service. Exergetic life cycle assessment of a gridconnected, polycrystalline silicon photovoltaic system. A master of science thesis in chemical engineering by ryan k. Pdf exergy and life cyclebased analysis researchgate. The initial construction of each system will have a. Exergetic life cycle assessment was performed for the cement production process.
Life cycle exergy analysis on monoethanolaminebased. Afterward, the exergetic, energetic and sulfur efficiencies and life cycle assessment of total process at different processing stages were analyzed and compared. Life cycle assessment department of environmental affairs. Energy and exergy life cycle assessment of different antierosion systems. In this paper, an integrated approach of exergy analysis and lca is proposed, developing the lifecycle quality index able to suggest potential. An exergetic life cycle assessment for improving hydrogen. Keywords wastetoenergy, life cycle assessment, exergetic life cycle assessment, life cycle costing, social life cycle assessment, environmentenergyeconomy introduction with rapid economic growth, expanding population and massive urbanisation, china faces serious challenges regarding the collection and elimination of its municipal solid. It arises from the convergence of the lca and exergy analysis ea methodologies and attempts to identify the exergetic parameters that are related to the life cycle of the examined system or process.
The exergy theory offers a thermodynamic methodology to account for the consumption of natural resources. Resource use analysis of pangasius aquaculture in the mekong delta in vietnam using exergetic life cycle assessment. Exergetic life cycle assessment elca as a tool to design. Each systems efficiency before and after waste heat power generation was analyzed. Pdf resource use analysis of pangasius aquaculture in. This work is focused on 50 mw parabolictrough plants. The applied assessment methods are the recipe endpoint and tcexl methods. Analysis of the overall resource consumption of a flemish dairy farm using exergetic life cycle assessment sophie huysveld1,2, veerle van linden1, steven 1de meester2, nico peiren, hilde muylle1, ludwig lauwers1 and jo 2dewulf 1institute for agricultural and fisheries research ilvo, burg.
Development of an exergetic life cycle assessment elca tool to evaluate environmental impact of dairy farms in flanders belgium. Pdf on may 29, 2019, niloufar salehi and others published exergy and life cyclebased analysis find, read and cite all the research you. The exergetic life cycle assessment elca, as already mentioned, examines the flows of exergy within a system with the purpose of the reduction of exergy destruction and consequent improvement of efficiency. The results from the inventory analysis and impact assessment are summarized during the interpretation phase. Exergy analysis is a tool that has been successfully used for identifying the major causes of. Environmental and exergetic impacts of cement production. Exergy life cycle assessment of a wastetoenergy plant. Opportunities of using exergetic life cycle assessment. Life cycle assessment lca is emerging as one of the most. Environmental and exergetic performance of electrolytic hydrogen using life cycle assessment j. Environmental and exergetic performance of electrolytic. A thermodynamic approach based on exergy use has been suggested as a measure for the use of resources in life cycle assessment and other sustainability assessment methods.
Goran finnveden, yevgeniya arushanyan, miguel brandao. Life cycle analysisassessment lca is a tool used to evaluate the total environmental impact and total energy resource use of a product or service during its complete lifetime or from cradle to grave. Environmental and exergetic sustainability assessment of. Life cycle assessment of example packaging systems for milk 2 life cycle stages considered the study assesses the potential environmental impacts for the full life cycle of each milk packaging system, also often called a cradle to grave approach.
The overall exergetic efficiency of the reactor was found to be 69. Life cycle thinking and life cycle assessment can be. Development of an exergetic life cycle assessment elca. Goals and scoping3 the scoping step determines which processes will be included, which environmental concerns will be included, what economic or social good is provided by the goods or services in question, resolves any technical issues and. It provided technical support for the implementation of energysaving schemes. As an example a district heating system in combination with a cogeneration plant based on. Lifecycle assessment or life cycle assessment lca, also known as lifecycle analysis is a methodology for assessing environmental impacts associated with all the stages of the lifecycle of a commercial product, process, or service. In previous studies lca has been applied to solar energy system, e. Comparison of overall resource consumption of biosolids. Download opportunities of using exergetic life cycle assessment.
Cost and performance baseline for fossil energy plants volume 1. Exergetic life cycle assessment of a hydrogen production. Application of life cycle assessment and exergy analysis. Lifecycle assessment of alternative pyrolysisbased transport fuels. It is a tool used to assess the stages and impact of a products entire life, from raw material extraction cradle to waste treatment grave. State key laboratory of clean energy utilisation, zhejiang university.
Phase of interpretation life cycle interpretation is a systematic technique to identify, quantify, check, and evaluate information from the results of the life cycle inventory andor the life cycle impact assessment. Results showed that catalytic stage has great impacts on sulfur conversion and emission reduction. The optimum insulation thickness, which are calculated by using. Analysis of the overall resource consumption of a flemish. An important aspect when conducting a life cycle assessment is the comparability of the assessed systems, e. Sustainability assessment of product life cycles an introduction. Exergetic life cycle assessment of a gridconnected. This is the first study to apply a cumulative exergy extraction from the natural environment ceene method for an indepth resource use assessment of bms where two fullscale bms and seven system variations were analyzed. It is a relevant approach since it can capture energy resources, as well as metal ores and other materials that have a chemical exergy expressed in the same units. Life cycle thinking and assessment for waste management. Postdoctoral scholar civil and environmental engineering university of california, berkeley.
Introducing exergy analysis in life cycle assessment iieta. Exergetic life cycle assessment exlca is applied with life cycle assessment lca to a hydrogen production process. Exergetic life cycle assessment of cement production. Aia guide to building life cycle assessment in practice.
663 1473 479 1227 1473 695 1060 1305 16 1472 58 374 163 1039 338 239 236 695 1456 1525 1051 730 545 1456 539 1322 495 446 1219 69 604 1133 210 1090 1264 656 705