Search

Your search keyword '"Arena, Noemi"' showing total 11 results
Start Over Author "Arena, Noemi"
11 results on '"Arena, Noemi"'

2. Life cycle engineering of a system to deliver self-chilled beverages

Author

Arena, Noemi, Lee, Jacquetta, Alpay, Esat, and Clift, Roland

Subjects
658.5
Abstract

The chill-on-demand system is a technology designed to provide cooled products on demand, thereby avoiding any requirement for chilled storage. It uses the cooling effect provided by the endothermic desorption of carbon dioxide previously adsorbed onto a bed of activated carbon contained in an inner component of the self-chilling product. This has the potential to be applied to any type of product that needs to be cold at the point of consumption. The principles of life cycle engineering have been utilized to evaluate the overall environmental performance of one possible application of this technology: a self-chilling beverage can, with a steel outer can to contain the beverage and an inner aluminium can to contain the adsorbent. The primary aim of this research is to devise a way to ensure that the self-chilling can supplies the best cooling performance with minimal global environmental impact. First, the adsorption/desorption process as a means of cooling was investigated, together with its application to the specific case of carbon dioxide adsorbed on a bed of activated carbon obtained from coconut shells. A specific experimental activity was designed and supported by the implementation of a transient heat exchange model. Next, the potential environmental impacts of the product were evaluated by using a Life Cycle Assessment tool. The analysis considered all the life cycle stages of a self-chilling can: from the manufacture of each part of the beverage container, to its utilization and end-of-life management. The results, compared with those of a conventional beverage can, highlight the importance of using activated carbon derived from biomass and locating its production in countries with a low carbon-intensity electricity supply. More substantial environmental and technical improvements would depend on finding adsorbents with much larger capacity, and developing a system with very high rates of recovery and re-use.

Published
2016

4. The product-market system approach to adopt life-cycle thinking in organisation management

Author

Mancinelli Raimondo, Wehrmeyer Walter, Lee Jacquetta, Woolf Hywel, Embley Tim, Reeves Kevin, and Arena Noemi

Subjects
Environmental sciences, GE1-350
Abstract

Pushed by public demand and regulations, the firms’ role in society is gradually changing from shareholder profit maximisation to societal shared value creation. Despite the positive market’s response in adopting sustainability as a business key driver, there is still a long way to go before companies can assess the full life-cycle impacts of their entire activities, products, and services regarding the triple bottom line. A gap remains in how businesses can set up sustainable products’ strategies within their wider business strategy and systematically replicate successes. Working together with an infrastructure company in the UK, we assessed how life-cycle thinking adoption could be pursued during management operations in the sustainability framework. It has emerged the necessity of a socio-technical system describing the life-cycle of products and services’ market proposition alongside the business model and business strategy concepts. We defined it as the product-market system as it aims to relate the life-cycle of product market proposition to the wider firms’ sustainability performances. It builds on LCT and multi Capitals approaches, and it should help firms address their role within the market and society they operate. Its use should help multi-product businesses to align their product strategies around established targets and values.

Published
2022
Full Text
View/download PDF

11. Life cycle assessment of the end-of-life phase of a residential building

Author

Fabrizio Di Gregorio, Noemi Arena, Pierluca Vitale, Umberto Arena, Vitale, Pierluca, Arena, Noemi, Di Gregorio, Fabrizio, and Arena, Umberto

Subjects
Engineering, Municipal solid waste, 020209 energy, media_common.quotation_subject, Selective demolition, 02 engineering and technology, 010501 environmental sciences, Solid Waste, 01 natural sciences, Life cycle assessment, Waste Management, 0202 electrical engineering, electronic engineering, information engineering, Construction and demolition waste, Quality (business), Environmental impact assessment, Recycling, Waste Management and Disposal, Life-cycle assessment, 0105 earth and related environmental sciences, media_common, Resource recovery, Energy recovery, Waste management, business.industry, Construction Materials, Refuse Disposal, Demolition waste, Italy, Demolition, Housing, business
Abstract

The study investigates the potential environmental impacts related to the end-of-life phase of a residential building, identified in a multifamily dwelling of three levels, constructed in the South of Italy by utilizing conventional materials and up-to-date procedures. An attributional life cycle assessment has been utilised to quantify the contributions of each stage of the end-of-life phase, with a particular attention to the management of the demolition waste. The investigation takes into account the selective demolition, preliminary sorting and collection of main components of the building, together with the processes of sorting, recycling and/or disposal of main fractions of the demolition waste. It quantifies the connections between these on-site and off-site processes as well as the main streams of materials sent to recycling, energy recovery, and final disposal. A sensitivity analysis has been eventually carried out by comparing the overall environmental performances of some alternative scenarios, characterised by different criteria for the demolition of the reference building, management of demolition waste and assessment of avoided burdens of the main recycled materials. The results quantify the advantage of an appropriate technique of selective demolition, which could increase the quality and quantity of residues sent to the treatment of resource recovery and safe disposal. They also highlight the contributions to the positive or negative environmental impact of each stage of the investigated waste management system. The recycling of reinforcing steel appears to play a Paramount role, accounting for 65% of the total avoided impacts related to respiratory inorganics, 89% of those for global warming and 73% of those for mineral extraction. The study investigates the potential environmental impacts related to the end-of-life phase of a residential building, identified in a multifamily dwelling of three levels, constructed in the South of Italy by utilizing conventional materials and up-to-date procedures. An attributional life cycle assessment has been utilised to quantify the contributions of each stage of the end-of-life phase, with a particular attention to the management of the demolition waste. The investigation takes into account the selective demolition, preliminary sorting and collection of main components of the building, together with the processes of sorting, recycling and/or disposal of main fractions of the demolition waste. It quantifies the connections between these on-site and off-site processes as well as the main streams of materials sent to recycling, energy recovery, and final disposal. A sensitivity analysis has been eventually carried out by comparing the overall environmental performances of some alternative scenarios, characterised by different criteria for the demolition of the reference building, management of demolition waste and assessment of avoided burdens of the main recycled materials. The results quantify the advantage of an appropriate technique of selective demolition, which could increase the quality and quantity of residues sent to the treatment of resource recovery and safe disposal. They also highlight the contributions to the positive or negative environmental impact of each stage of the investigated waste management system. The recycling of reinforcing steel appears to play a paramount role, accounting for 65% of the total avoided impacts related to respiratory inorganics, 89% of those for global warming and 73% of those for mineral extraction.

Published
2017

Catalog

Books, media, physical & digital resources
See catalog results