Developing strategies for managing construction and demolition wastes in Malaysia based on the concept of circular economy

Esa, Mohd Reza; Halog, Anthony; Rigamonti, Lucia

doi:10.1007/s10163-016-0516-x

Cited by 190 publications

(129 citation statements)

References 41 publications

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“…This market development occurs in relation to the adoption of circular economy principles, in which there is a preference for renewable materials and energy [47], as opposed to the traditional (linear take-make-use-dispose) approach, in which there is a limited use of renewable materials and energy [48]. Circular economy advocates believe that waste (materials) should be recovered as high up the waste hierarchy as practical and, in this way embodied materials, energy and wastes are retained in the economy [49].…”

Section: Fig 1 Waste Hierarchy Adopted By Waste Strategy Documents mentioning

confidence: 99%

Review of energy recovery from construction and demolition waste in Australia

Shooshtarian¹,

Maqsood²,

Wong³

et al. 2019

JCEMI

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The construction industry in Australia has grown significantly in the past two decades in the wake of population growth, migration and expansion in the tertiary education industry. The growing population has necessitated extensive property development, better public transport and improved infrastructure. To achieve all of this, construction activities have been on rise; resulting in a significant growth in construction and demolition (C&D) waste generation. Australia has adopted a waste hierarchy to manage waste including C&D waste. According to this notion, waste produced should be managed in a hierarchal order comprising reduction, re-using, recycling, energy recovering, treatment and disposal. Energy recovery of waste is a new concept to the Australian context where, due to a lack of regulatory support and environmental concerns, it has not been well-developed. This review study aims to provide insight into Energy from Waste (EfW) activities in Australia at both national and jurisdictional levels. It reviews associated regulations and standards to show how EfW is being perceived and practiced. The findings demonstrate that Australia has a long way to go to fully utilise EfW opportunities, the role of government in providing regulatory support to promote EfW is found to be of particular importance. Furthermore, several measures are recommended to navigate efforts leading to improved C&D energy recovery activities in Australia. The results are expected to be beneficial to the C&D waste industry, researchers and regulatory authorities in the development of useful regulations and best management practices.

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Section: Fig 1 Waste Hierarchy Adopted By Waste Strategy Documents mentioning

confidence: 99%

Review of energy recovery from construction and demolition waste in Australia

Shooshtarian¹,

Maqsood²,

Wong³

et al. 2019

JCEMI

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“…Moreover, in another study conducted in Shahroud city (Iran) in 2009 with a population of about 129000, an annual estimate of 0.219 million tons of C&D waste was reported (11). 12). The most important C&D waste generation impacts are comprised of using a large number of land resources for waste landfilling/dumping, damaging the disposal site nearby by dangerous contamination, and wasting natural resources (9,13).…”

Section: Introductionmentioning

confidence: 99%

Construction and Demolition Waste and Its Management Challenges in Iran: A Case Study in Tabriz City

et al. 2019

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Background: The management of construction and demolition (C&D) waste is among the fastest-growing concerns in Iran. Moreover, the basic prerequisites for the effective performance of every waste management program are the accessibility of adequate and precise data on characteristics and its current management condition. Objectives: Estimating the amount of C&D waste in Tabriz metropolitan city (Iran) was one of the key aims of the current study. Another objective of this study was to evaluate of C&D waste handling and their final disposal. Methods: The C&D waste generation rate was estimated according to the waste weight per area of construction and demolition in Tabriz. Then the C&D waste management condition was assessed using a checklist, visiting the disposal site, intervening authorities, and analyzing scientific databases. Results: The amount of C&D waste generation rate in the Tabriz city was estimated to be in the range of 167034 to 848480 ton/year or 0.114 to 0.534 ton/year per capita and 2.267 ton/m 2 of demolition. In this area, like most other parts of the country, no scientific and systematic program was observed for source reduction (reduce, reuse, and recycle of the C&D waste). Due to the non-availability of any standard disposal site, all the C&D waste (except for some recycled items such as metals) were deposited at the nearest distance from the city in public lands, waterways, valleys, roadsides and so on. Conclusions: According to the findings there is a great urgent need for applying specific practical policies, rules, and regulations for source reduction (reduce, reuse, and recycle (3R)) of C&D waste. Moreover, a central disposal site should be allocated to dispose of the remaining C&D waste according to the environmental and health considerations.

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“…There is also the development of an eco-industrial park where companies work together to utilize their construction wastes. In addition, in some countries a pay-as-you-throw system regulation has been implemented, a waste disposal payment regulation to landfill according to the volume of the waste they produce [3].…”

Section: Introductionmentioning

confidence: 99%

Circular Economy Model of Indonesian Construction Industry Waste Based on System Dynamics

Kusumowibowo¹,

Adi²

2019

Proceedings of the Third International Conference on Sustainable Innovation 2019 – Technology and Engineering (IcoSITE 2019)

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In recent years, circular economy has been widely discussed throughout the world as a solution to the problem of resources efficiency and environmental problems, especially regarding waste. The construction industry is one of the largest waste-producing industries, even 30% of waste on landfills is construction waste. The application of circular economy in the construction industry has many interrelated and dynamic variables that change over time. This study aims to identify the variable of circular economy and analyze the pattern of its relationship using system dynamics method. The variables were obtained from in-depth literature review and interviews, including management performance, low-waste technology, and behavior. From these variables, a causal loop diagram is created. This diagram describes the relationship between variables of circular economy. For model validation, a multistory building project in Surabaya is used as a case study. This study produces a model that can be used to estimate the volume of construction waste with an accuracy of 86.12%. Scenario simulation results show that worker variables can reduce the volume of waste construction up to 7.91%, higher than other variables.

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Developing strategies for managing construction and demolition wastes in Malaysia based on the concept of circular economy

Cited by 190 publications

References 41 publications

Review of energy recovery from construction and demolition waste in Australia

Review of energy recovery from construction and demolition waste in Australia

Construction and Demolition Waste and Its Management Challenges in Iran: A Case Study in Tabriz City

Circular Economy Model of Indonesian Construction Industry Waste Based on System Dynamics

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