The Operational and Environmental Consequences of the Polystyrene Insulation Disposal

2016 ◽  
Vol 824 ◽  
pp. 180-187
Author(s):  
Jan Pasek ◽  
Martin Casensky ◽  
Jakub Stransky

In connection with the significant volume of polystyrene embedded in buildings as thermal insulation, in the next few years it will be needed to solve the matter of its disposal after the end of its life cycle. Hexabromocyclododecane (HBCDD) has been used as a flame retardant in polystyrene thermal insulation (EPS and XPS) for the last 50 years. The internationally recognized Stockholm Convention on Persistent Organic Pollutants prohibits future production, use and recycling of materials that contain HBCDD. It also, to a large extent, limits the options of waste management of such materials. European legislation, in particular Regulation (EC) No 850/2004 and the so called REACH Directive, established a binding legal framework for EU Member States which reduces waste management options of material containing HCDBB practically only to incineration. In the coming years, this fact requests fundamental changes in disposal of construction and demolition waste containing the polystyrene insulation and related processes on construction sites in the Czech Republic. The research is based on the analysis of the international and the Czech legislation related to this issue, and the analysis of material and technological context. The paper focuses on possible operational, economic, energy and environmental impact on the construction industry and environment, and compares the current situation in the Czech Republic with other European countries, and assesses the readiness of the Czech Republic to deal with the upcoming legislation changes.

2018 ◽  
Vol 146 ◽  
pp. 03012
Author(s):  
Terezie Vondráčková ◽  
Luboš Podolka ◽  
Věra Voštová

Some building defects lead to their demolition. What about construction and demolition waste? According to the Waste Act 185/2001 Coll. and its amendment 223/2015 Coll., which comes into force on January 1, 2017, the production of waste has to be reduced because, as already stated in the amendment to Act No. 229/2014 Coll., the ban on landfilling of waste will apply from 2024 onwards. The main goals of waste management can thus be considered: Preventing or minimizing waste; Waste handling to be used as a secondary raw material - recycling, composting, combustion and the remaining waste to be dumped. Company AZS 98 s. r. o. was established, among other activities, also for the purpose of recycling construction and demolition waste. It operates 12 recycling centers throughout the Czech Republic and therefore we have selected it for a demonstration of the handling of construction and demolition waste in addressing the defects of the buildings.


2019 ◽  
Author(s):  
A.P.K.D. Mendis ◽  
◽  
A. Samaraweera ◽  
D.M.G.B.T. Kumarasiri ◽  
D. Rajini ◽  
...  

Materials ◽  
2021 ◽  
Vol 14 (5) ◽  
pp. 1226
Author(s):  
Beatriz Fraga-De Cal ◽  
Antonio Garrido-Marijuan ◽  
Olaia Eguiarte ◽  
Beñat Arregi ◽  
Ander Romero-Amorrortu ◽  
...  

Prefabricated solutions incorporating thermal insulation are increasingly adopted as an energy conservation measure for building renovation. The InnoWEE European project developed three technologies from Construction and Demolition Waste (CDW) materials through a manufacturing process that supports the circular economy strategy of the European Union. Two of them consisted of geopolymer panels incorporated into an External Thermal Insulation Composite System (ETICS) and a ventilated façade. This study evaluates their thermal performance by means of monitoring data from three pilot case studies in Greece, Italy, and Romania, and calibrated building simulation models enabling the reliable prediction of energy savings in different climates and use scenarios. Results showed a reduction in energy demand for all demo buildings, with annual energy savings up to 25% after placing the novel insulation solutions. However, savings are highly dependent on weather conditions since the panels affect cooling and heating loads differently. Finally, a parametric assessment is performed to assess the impact of insulation thickness through an energy performance prediction and a cash flow analysis.


2020 ◽  
Vol 9 (19) ◽  
Author(s):  
Daniela Carnasciali de Andrade Mann ◽  
André Nagalli ◽  
Karina Querne De Carvalho

Resumo Normas relacionadas à gestão de Resíduos de Construção Civil (RCC) estão vigentes no Brasil há mais de uma década. O intuito dessa gestão é amenizar os impactos ambientais decorrentes do gerenciamento indevido desses resíduos. O objetivo do presente trabalho é investigar a conformidade técnica e legal de sistemas de gerenciamento de resíduos de construção civil no município de Curitiba. Para tal, elaborou-se uma lista de verificação baseada nas normas em vigor e em alguns modelos de certificações ambientais, como: LEED, AQUA, CASBEE, BREAM e HQE. 24 obras de edifícios residenciais e comerciais foram  visitadas — com ou sem certificação ambiental. Essa lista de verificação foi aplicada nas construções, para realizar um diagnóstico do setor. Apesar da gestão de resíduos ser obrigatória e restritiva à obtenção dos certificados de conclusão de obra, os resultados da pesquisa demonstraram que há problemas na segregação, acondicionamento e transporte dos resíduos. Entretanto, a falta de conscientização e a aparente conformidade documental não se traduz em efetivo gerenciamento dos RCC. Palavras-chave: Resíduos de construção e demolição. Gestão de resíduos. Resíduos sólidos. Auditorias ambientais. Abstract Standards related to the management of Construction Waste (CW) have been in force in Brazil for more than a decade. The goal of this management is to alleviate the environmental impacts resulting from the poor management of these wastes. The objective of this work is to investigate the technical and legal compliance of construction waste management systems in the city of Curitiba. To this end, a checklist was drawn up based on current standards and on some models of environmental certifications, such as: LEED, AQUA, CASBEE, BREAM and HQE. 24 works of residential and commercial buildings were visited — with or without environmental certification.  A checklist was applied, in these buildings, to promote a diagnosis of the sector. Although waste management is mandatory and restrictive to obtain building completion certificates, the research results showed that there are problems in the segregation, packaging and transport of waste. However, the lack of awareness and the apparent documentary compliance does not translate into effective management of the CW. Keywords:  Construction and demolition waste. Waste management. Solid waste. Environmental audits. Resumen Normas relativas a la gestión de Residuos Sólidos de Construcción Civil (RCC) están vigentes en Brasil hace más de una década. La intención de esa gestión es amenizar los impactos ambientales producidos por la gestión inadecuada de esos residuos. El objetivo de este trabajo es investigar la conformidad técnica y legal de sistemas de gestión de residuos de la construcción civil en el municipio de Curitiba. Para ello, se elaboró una lista de cotejo basada en las normas vigentes y en algunos modelos de certificaciones ambientales como: LEED, AQUA, CASBEE, BREAM y HQE. Se visitaron 24 obras de edificios residenciales y comerciales — con o sin permiso ambiental. Se aplicó esa lista de cotejo en las construcciones, para realizar un diagnóstico des sector. Aunque la gestión de residuos sea obligatoria y restrictiva para la obtención de las certificaciones de conclusión de obra, los resultados de la investigación demostraron que hay problemas en la segregación, acondicionamiento y trasporte de los residuos. Sin embargo, la falta de conciencia y la aparente conformidad en materia de documentos no se traduce en una gestión eficiente de los RCC. Palabras-clave: Residuos de construcción y demolición. Gestión de residuos. Residuos sólidos. Auditorías ambientales.


Recycling ◽  
2021 ◽  
Vol 6 (4) ◽  
pp. 73
Author(s):  
Kambiz Ghafourian ◽  
Kamyar Kabirifar ◽  
Amir Mahdiyar ◽  
Maziar Yazdani ◽  
Syuhaida Ismail ◽  
...  

Construction and demolition waste (CDW), as the main consequence of construction and demolition (C&D) activities, has severely affected our sustainability needs. However, construction and demolition waste management (CDWM) lacks the integration of sustainability concepts. Thus, there is a great need to include sustainability dimensions in CDWM to reach sustainable construction and demolition waste management (SCDWM). This study aims at empirically investigating SCDWM by analyzing the impacts of factors that contribute to sustainability aspects of CDWM on waste management hierarchy (WMH), including reduce, reuse, recycle, and disposal strategies. According to the literature, 26 factors were initially identified and grouped under four categories, namely environmental, economic, social, and administrative, that contribute to sustainability aspects of CDWM. Subsequently, a pilot test was performed to assess the significance and applicability of these factors in the Malaysian construction industry by implementing the express analytic hierarchy process (EAHP). Then, a questionnaire survey was performed to collect data from 132 construction companies involved in CDWM. Partial least squares-structural equation modeling (PLS-SEM) was used to test the hypothetical relationships by applying SmartPLS software. Results demonstrated that the economic aspect of CDWM (main category) and “public environment contamination due to illegal waste dumping” (sub-category) were the most influential factor in SCDWM in Malaysia.


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