Effects of high volume dolomite sludge on the properties of eco-efficient lightweight concrete: Microstructure, Statistical modeling, multi-attribute optimization through Derringer’s desirability function and Life cycle assessment

2021 ◽  
pp. 127107
Author(s):  
Rajesh Kumar
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Statistical Modeling ◽  
Lightweight Concrete ◽  
Desirability Function ◽  
High Volume ◽  
Derringer’S Desirability Function

scholarly journals Replying to “Questions and Concerns Re: Blue Water Footprints Reported in “Water Footprint of Meat Analogs: Selected Indicators According to Life Cycle Assessment””

Water ◽  
2020 ◽  
Vol 12 (7) ◽  
pp. 1972
Author(s):  
Ujué Fresán ◽  
D.L. Marrin ◽  
Maximino Alfredo Mejía ◽  
Joan Sabaté
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Scientific Literature ◽  
Water Footprint ◽  
High Volume ◽  
Blue Water ◽  
Specific Data ◽  
Secondary Sources ◽  
Original Manuscript

In 2019, we published a study focused on the quantification of several indicators related to the water footprint of meat analogs. Recently, a comment requesting clarification of specific data that were reported in our study was published. The present reply addresses their questions. We justified the high volume of water consumed in the production of the meat analogs’ ingredients, the observed differences between our data and those reported for other plant-based products and the information we had reported in our original manuscript that was obtained from secondary sources in the scientific literature. We anticipate that our responses address the questions that were raised.

scholarly journals Integrating Regionalized Socioeconomic Considerations onto Life Cycle Assessment for Evaluating Bioeconomy Value Chains: A Case Study on Hybrid Wood–Concrete Ceiling Elements

2021 ◽  
Vol 13 (8) ◽  
pp. 4221
Author(s):  
Alberto Bezama ◽  
Jakob Hildebrandt ◽  
Daniela Thrän
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Value Chain ◽  
Social Life ◽  
Lightweight Concrete ◽  
Assessment Method ◽  
Social Life Cycle Assessment ◽  
Value Chains ◽  
Development Scenarios ◽  
Industrial Sectors

As bioeconomy strategies strive to integrate industrial sectors for achieving innovative materials alternative to the ones produced from non-renewable resources, the development of monitoring systems and tools to assess the implementation of such value chains is still a work in progress. This work intended to integrate the traditional life cycle assessment with a regionalized social life cycle assessment method to evaluate alternative production scenarios of a hybrid construction system with a wood-based lightweight concrete panel as a core component currently in its final stages of technical development. The life cycle impact assessment was carried out by comparing the relative advantages of two product development scenarios against the reference system’s results. The social life cycle assessment was carried out using the model “REgional SPecific cONtextualised Social life cycle Assessment” (RESPONSA), which was developed for assessing wood-based value chains under a regional scope. The results showed that both alternative scenarios present large advantages when compared to the reference system. Moreover, the implementation of the production value chain was found to imply positive socioeconomic advantages in the region, in particular, due to the quality of the jobs found in the organizations associated with the production system.

Experimental Study and Life Cycle Assessment of High Volume Fly Ash Concrete

2013 ◽  
Vol 671-674 ◽  
pp. 1796-1799
Author(s):  
Shi Qin He ◽  
He Li ◽  
Zhong Feng Zhu ◽  
Peng Fei Li
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Fly Ash ◽  
High Performance ◽  
Greenhouse Gas Emission ◽  
High Volume ◽  
Assessment Method ◽  
Low Carbon ◽  
Fly Ash Concrete ◽  
High Volume Fly Ash

One of the effective ways of low carbon concrete is to reduce the cement content. It can not only reduce the greenhouse gas emission, but also improve the comprehensive utilization of industrial solid waste. In this paper, the mix design and experimental research of C15 Self-Compacting Concrete (SCC) were carried out by substituting cement with high volume fly ash. A partition coefficient of environmental burden Cm was introduced in order to assess the environmental effect of different mix proportion SCC precisely by using life cycle assessment method. Evaluation results showed that the mixing of fly ash can reduce the consumption of coal, the discharge of CO2 and the solid wastes effectively. The study provided a rational basis for the high performance and low cost fly ash concrete.

scholarly journals Life Cycle Assessment of Apparel Consumption in Australia

2021 ◽  
Vol 25 (1) ◽  
pp. 71-111
Author(s):  
Shadia Moazzem ◽  
Enda Crossin ◽  
Fugen Daver ◽  
Lijing Wang
Keyword(s):  
Life Cycle Assessment ◽  
Life Cycle ◽  
Environmental Impact ◽  
Agricultural Land ◽  
Resource Depletion ◽  
High Volume ◽  
Life Cycle Assessment Methodology ◽  
Land Occupation ◽  
Per Capita ◽  
The Impact

Abstract This study presents the environmental impact of apparel consumption in Australia using life cycle assessment methodology according to ISO14040/14044:2006. Available published references, the Ecoinvent v3 dataset, the Australian life cycle assessment dataset and apparel country-wise import data with the breakdown of apparel type and fibre type were used in this study. The environmental impact assessment results of the functional unit were scaled up to the total apparel consumption. The impact results were also normalized on a per-capita/year basis. The Total Climate Change Potential (CCP) impact from apparel consumption of 2015 was estimated to be 16 607 028 tonnes CO2eq and 698.07 kg CO2eq/per capita-year. This study also assessed the impact of acidification potential (AP), water depletion (WD), abiotic resource depletion potential (ADP) - fossil fuel and agricultural land occupation (ALO) using the same methodology. The market volume of cotton apparel in Australia is 53.97 %, which accounts for 45 %, 96 %, 40 %, 46 % and 79 % of total CCP, WD, ADP, AP and ALO impact, respectively. Apparel broad categories of cotton shirt, cotton trouser, polyester shirt and polyester trouser have a high volume in the apparel market as well as a high environmental impact contribution. These high-volume apparel products can be included in the prioritization list to reduce environmental impact throughout the apparel supply chain. It was estimated that from 2010 to 2018 the per capita apparel consumption and corresponding impact increased by 24 %.

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