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Dr. Kamran Rousta
Senior Lecturer

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0 Resource Management
0 Resource Recovery
0 Sustainability
0 Waste Management
0 circular economy

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Journal article
Published: 13 August 2020 in Foods
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The current study aims to assess how a novel fungi product made from the filamentous fungus Neurospora intermedia, cultivated on bread residuals, is perceived using questionnaires. Participants were asked to rate characteristic attributes of a fungi burger patty and state their preference when comparing it to Quorn and hamburger patties. The data were analyzed to assess whether gender or age was statistically associated with preference profiles. Neither age nor gender was associated with the preference profiles regarding the comparison of burger patties. Except for age and bitterness, age and gender were also not associated with the preference profiles regarding the sensory characteristics of the fungi burger patty. Most of the participants liked the characteristics of the fungi burger patty. The results indicate that fungi products from waste can become accepted products when information dissemination targets environmental benefits. Moreover, to be commercially accepted, the chewiness and bitterness of the product should be improved. Other improvements should target the overall taste in order to cater to people who prefer meat-based protein sources.

ACS Style

Coralie Hellwig; Rebecca Gmoser; Magnus Lundin; Mohammad J. Taherzadeh; Kamran Rousta. Fungi Burger from Stale Bread? A Case Study on Perceptions of a Novel Protein-Rich Food Product Made from an Edible Fungus. Foods 2020, 9, 1112 .

AMA Style

Coralie Hellwig, Rebecca Gmoser, Magnus Lundin, Mohammad J. Taherzadeh, Kamran Rousta. Fungi Burger from Stale Bread? A Case Study on Perceptions of a Novel Protein-Rich Food Product Made from an Edible Fungus. Foods. 2020; 9 (8):1112.

Chicago/Turabian Style

Coralie Hellwig; Rebecca Gmoser; Magnus Lundin; Mohammad J. Taherzadeh; Kamran Rousta. 2020. "Fungi Burger from Stale Bread? A Case Study on Perceptions of a Novel Protein-Rich Food Product Made from an Edible Fungus." Foods 9, no. 8: 1112.

Journal article
Published: 02 April 2020 in Recycling
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Several theories and case studies have shown that information has little or no direct influence on waste sorting behavior. However, it is often suggested that information plays a vital role by indirectly influencing behavior. This contribution sheds light on how instructive information influences users of a recycling scheme in terms of perception, knowledge and waste sorting behavior. The study was performed as a case study on a student population in a medium-sized city in Sweden. An intervention in the form of modified information that was provided to the users was studied. This information was instructive in nature and adapted to the participants’ needs using the Recycling Behavior Transition procedure, where the users are involved in the development and modification of recycling schemes. New information was designed after investigating how the participants perceived the original information on correct waste sorting, as well as ascertaining their preferred channel for providing the information. Pick analyses and surveys were conducted before and after providing the user-adapted information. The results indicated a trend towards correct participation in the recycling scheme. These results are also discussed in the theoretical context of the Motivation-Opportunity-Ability-Behavior model. The study shows that user-adapted, instructive information can have a significant influence on people’s knowledge of correct waste separation and their overall perception of information.

ACS Style

Eric Mehner; Adeel Naidoo; Coralie Hellwig; Kim Bolton; Kamran Rousta. The Influence of User-Adapted, Instructive Information on Participation in a Recycling Scheme: A Case Study in a Medium-Sized Swedish City. Recycling 2020, 5, 7 .

AMA Style

Eric Mehner, Adeel Naidoo, Coralie Hellwig, Kim Bolton, Kamran Rousta. The Influence of User-Adapted, Instructive Information on Participation in a Recycling Scheme: A Case Study in a Medium-Sized Swedish City. Recycling. 2020; 5 (2):7.

Chicago/Turabian Style

Eric Mehner; Adeel Naidoo; Coralie Hellwig; Kim Bolton; Kamran Rousta. 2020. "The Influence of User-Adapted, Instructive Information on Participation in a Recycling Scheme: A Case Study in a Medium-Sized Swedish City." Recycling 5, no. 2: 7.

Review
Published: 24 March 2020 in Recycling
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Given the increasing efforts at improving waste management in developing countries, this study aimed to analyze factors that influence participation in household waste sorting. It thereby is the first review that extends the published literature on this topic. A meta-analysis was conducted that analyzed twelve influencing factors. A moderate correlation was found for the most strongly influential factors—attitude, moral norm, subjective norm and perceived behavior control—which indicates that people’s perception of waste sorting is most influencing in prompting participation in household waste sorting in developing countries. The results of this meta-analysis indicate that knowledge, situational factors, such as physical conditions, and governmental incentives can influence participation in household waste sorting in developing countries but the relationship between those factors and other factors with high correlations should be studied further. Notably, socio-demographic factors have the weakest influence on the participation in waste sorting in developing countries despite a large body of research on such factors. It can be constructive to take the relationship across the identified factors and the participation in waste sorting into consideration when aiming to implement measures to increase the participation in waste management schemes through waste sorting. The outcome of this study may contribute to recommendations and policy suggestions regarding the promotion of sustainable waste management through household waste sorting in developing countries.

ACS Style

Kamran Rousta; Liu Zisen; Coralie Hellwig. Household Waste Sorting Participation in Developing Countries—A Meta-Analysis. Recycling 2020, 5, 6 .

AMA Style

Kamran Rousta, Liu Zisen, Coralie Hellwig. Household Waste Sorting Participation in Developing Countries—A Meta-Analysis. Recycling. 2020; 5 (1):6.

Chicago/Turabian Style

Kamran Rousta; Liu Zisen; Coralie Hellwig. 2020. "Household Waste Sorting Participation in Developing Countries—A Meta-Analysis." Recycling 5, no. 1: 6.

Journal article
Published: 13 March 2020 in Sustainability
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Food packaging waste is a valuable resource for material recovery, if it is properly separated and sorted by consumers. The packaging itself may have the potential to assist consumer sorting by, for example, communicating a correct sorting practice. This is partly due to the fact that the sorting of packaging waste, which is a habitual behavior of consumers, can be perceived as being confusing and inconvenient. Consumers can, therefore, choose not to sort. It is argued that material recovery could be enhanced if packaging can afford easy and proper sorting and separation. To investigate the potential of packaging to support proper sorting, six types of yogurt and cream packaging were examined across 15 households in Karlskrona (a medium-sized Swedish city). The aim is to investigate the effect of selected packaging attributes on consumer decisions regarding waste sorting. The results reveal that some of the selected packaging waste is not properly separated and sorted. It is concluded that the design of food packaging based on user-centered needs could affect consumer decisions for the proper sorting of packaging waste, which enables improved material recovery. The design should focus especially on the package’s visual attributes, the material selection, and the package´s waste sorting related functions.

ACS Style

Babak Nemat; Mohammad Razzaghi; Kim Bolton; Kamran Rousta. The Potential of Food Packaging Attributes to Influence Consumers’ Decisions to Sort Waste. Sustainability 2020, 12, 2234 .

AMA Style

Babak Nemat, Mohammad Razzaghi, Kim Bolton, Kamran Rousta. The Potential of Food Packaging Attributes to Influence Consumers’ Decisions to Sort Waste. Sustainability. 2020; 12 (6):2234.

Chicago/Turabian Style

Babak Nemat; Mohammad Razzaghi; Kim Bolton; Kamran Rousta. 2020. "The Potential of Food Packaging Attributes to Influence Consumers’ Decisions to Sort Waste." Sustainability 12, no. 6: 2234.

Journal article
Published: 29 August 2019 in Sustainability
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The aim of this scoping review was to gain an overview of the current state of the literature on the engagement in waste sorting post migration from an occupational perspective, in the light of two aspects sustainability efforts currently face: Increased human migration and environmental degradation. Both the resource recovery and occupational science literature were reviewed and analyzed. However, despite the current lack on studies on how migrants’ transition into waste sorting schemes at the household level, this scoping review was able to provide a broad picture of the engagement in daily activities that support sustainability, such as household waste sorting. Given the current initiatives to develop efficient resource recovery from waste, such knowledge contributes to efforts to engage households with different cultures and experiences in waste sorting. The results highlight the importance of future research to better understand how people who are new to waste management schemes experience these, and study the way that engagement in waste sorting shifts and transforms. This is because providing such knowledge can contribute to raising awareness of the environmental impact of waste sorting, and inform policies aimed at sustainable waste management.

ACS Style

Coralie Hellwig; Greta Häggblom-Kronlöf; Kim Bolton; Kamran Rousta. Household Waste Sorting and Engagement in Everyday Life Occupations After Migration—A Scoping Review. Sustainability 2019, 11, 4701 .

AMA Style

Coralie Hellwig, Greta Häggblom-Kronlöf, Kim Bolton, Kamran Rousta. Household Waste Sorting and Engagement in Everyday Life Occupations After Migration—A Scoping Review. Sustainability. 2019; 11 (17):4701.

Chicago/Turabian Style

Coralie Hellwig; Greta Häggblom-Kronlöf; Kim Bolton; Kamran Rousta. 2019. "Household Waste Sorting and Engagement in Everyday Life Occupations After Migration—A Scoping Review." Sustainability 11, no. 17: 4701.

Review
Published: 12 August 2019 in Sustainability
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Household waste sorting at the source is an essential part of the waste management system in many countries. Correct sorting of this waste, including food packaging waste, is cost-effective, it facilitates the recycling process and enhances the quality of the recycled product. Although there is a growing body of research that studies the effect of different attributes of food packaging on household recycling behavior, the effect of these attributes on the sorting of the food packaging waste is not well known. This contribution reviews work that studies the relationship between attributes of food packaging and consumer sorting behavior. The review highlights the potential of the visual attributes and the quality of packaging as a communication channel for encouraging consumers to sort the food packaging waste. The efficiency of the waste management system and the quality of recycled products can hence be affected by the proper design of food packaging.

ACS Style

Babak Nemat; Mohammad Razzaghi; Kim Bolton; Kamran Rousta. The Role of Food Packaging Design in Consumer Recycling Behavior—A Literature Review. Sustainability 2019, 11, 4350 .

AMA Style

Babak Nemat, Mohammad Razzaghi, Kim Bolton, Kamran Rousta. The Role of Food Packaging Design in Consumer Recycling Behavior—A Literature Review. Sustainability. 2019; 11 (16):4350.

Chicago/Turabian Style

Babak Nemat; Mohammad Razzaghi; Kim Bolton; Kamran Rousta. 2019. "The Role of Food Packaging Design in Consumer Recycling Behavior—A Literature Review." Sustainability 11, no. 16: 4350.

Review article
Published: 21 August 2017 in Waste Management & Research: The Journal for a Sustainable Circular Economy
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This article presents a mini review of research aimed at understanding material recovery from municipal solid waste. It focuses on two areas, waste sorting behaviour and collection systems, so that research on the link between these areas could be identified and evaluated. The main results presented and the methods used in the articles are categorised and appraised. The mini review reveals that most of the work that offered design guidelines for waste management systems was based on optimising technical aspects only. In contrast, most of the work that focused on user involvement did not consider developing the technical aspects of the system, but was limited to studies of user behaviour. The only clear consensus among the articles that link user involvement with the technical system is that convenient waste collection infrastructure is crucial for supporting source separation. This mini review reveals that even though the connection between sorting behaviour and technical infrastructure has been explored and described in some articles, there is still a gap when using this knowledge to design waste sorting systems. Future research in this field would benefit from being multidisciplinary and from using complementary methods, so that holistic solutions for material recirculation can be identified. It would be beneficial to actively involve users when developing sorting infrastructures, to be sure to provide a waste management system that will be properly used by them.

ACS Style

Kamran Rousta; Isabel Ordoñez; Kim Bolton; Lisa Dahlén. Support for designing waste sorting systems: A mini review. Waste Management & Research: The Journal for a Sustainable Circular Economy 2017, 35, 1099 -1111.

AMA Style

Kamran Rousta, Isabel Ordoñez, Kim Bolton, Lisa Dahlén. Support for designing waste sorting systems: A mini review. Waste Management & Research: The Journal for a Sustainable Circular Economy. 2017; 35 (11):1099-1111.

Chicago/Turabian Style

Kamran Rousta; Isabel Ordoñez; Kim Bolton; Lisa Dahlén. 2017. "Support for designing waste sorting systems: A mini review." Waste Management & Research: The Journal for a Sustainable Circular Economy 35, no. 11: 1099-1111.

Journal article
Published: 01 March 2017 in Resources, Conservation and Recycling
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ACS Style

Pedro Brancoli; Kamran Rousta; Kim Bolton. Life cycle assessment of supermarket food waste. Resources, Conservation and Recycling 2017, 118, 39 -46.

AMA Style

Pedro Brancoli, Kamran Rousta, Kim Bolton. Life cycle assessment of supermarket food waste. Resources, Conservation and Recycling. 2017; 118 ():39-46.

Chicago/Turabian Style

Pedro Brancoli; Kamran Rousta; Kim Bolton. 2017. "Life cycle assessment of supermarket food waste." Resources, Conservation and Recycling 118, no. : 39-46.

Journal article
Published: 16 April 2016 in Recycling
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Household waste separation at the source is a central part of waste management systems in Sweden. Resource recovery of materials and energy increased substantially after separate collection was implemented in the 1990s. A procedure to transform recycling behavior for the sorting of household waste—called the recycling behavior transition (RBT) procedure—was designed and implemented in a waste management system in Sweden. Repeated use of this procedure, which will assist in the continual improvement of household sorting, consists of the following four consecutive steps: (i) evaluating the current sorting behavior; (ii) identifying appropriate interventions; (iii) implementing the interventions, and; (iv) assessing the quantitative effect of the interventions. This procedure follows action research methodology and it is the first time that such a procedure has been developed and implemented for the sorting of household waste. The procedure can easily be adapted to any source separation system (which may have different local situations) and, by improving the source separation, will increase the resource recovery in the waste management system. The RBT procedure, together with its strengths and weaknesses, is discussed in this paper, and its implementation is exemplified by a pilot study done in Sweden.

ACS Style

Kamran Rousta; Kim Bolton; Lisa Dahlén. A Procedure to Transform Recycling Behavior for Source Separation of Household Waste. Recycling 2016, 1, 147 -165.

AMA Style

Kamran Rousta, Kim Bolton, Lisa Dahlén. A Procedure to Transform Recycling Behavior for Source Separation of Household Waste. Recycling. 2016; 1 (1):147-165.

Chicago/Turabian Style

Kamran Rousta; Kim Bolton; Lisa Dahlén. 2016. "A Procedure to Transform Recycling Behavior for Source Separation of Household Waste." Recycling 1, no. 1: 147-165.

Book chapter
Published: 29 June 2015 in Sustainable Water Management and Technologies
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ACS Style

Kamran Rousta; Lisa Dahlén. Source Separation of Household Waste: Technology and Social Aspects. Sustainable Water Management and Technologies 2015, 61 -76.

AMA Style

Kamran Rousta, Lisa Dahlén. Source Separation of Household Waste: Technology and Social Aspects. Sustainable Water Management and Technologies. 2015; ():61-76.

Chicago/Turabian Style

Kamran Rousta; Lisa Dahlén. 2015. "Source Separation of Household Waste: Technology and Social Aspects." Sustainable Water Management and Technologies , no. : 61-76.

Book chapter
Published: 29 June 2015 in Resource Recovery to Approach Zero Municipal Waste
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ACS Style

Kamran Rousta; Tobias Richards; Mohammad Taherzadeh. An Overview of Solid Waste Management toward Zero Landfill: A Swedish Model. Resource Recovery to Approach Zero Municipal Waste 2015, 1 -22.

AMA Style

Kamran Rousta, Tobias Richards, Mohammad Taherzadeh. An Overview of Solid Waste Management toward Zero Landfill: A Swedish Model. Resource Recovery to Approach Zero Municipal Waste. 2015; ():1-22.

Chicago/Turabian Style

Kamran Rousta; Tobias Richards; Mohammad Taherzadeh. 2015. "An Overview of Solid Waste Management toward Zero Landfill: A Swedish Model." Resource Recovery to Approach Zero Municipal Waste , no. : 1-22.

Journal article
Published: 01 June 2015 in Waste Management
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The present study measures the participation of households in a source separation scheme and, in particular, if the household's application of the scheme improved after two interventions: (a) shorter distance to the drop-off point and (b) easy access to correct sorting information. The effect of these interventions was quantified and, as far as possible, isolated from other factors that can influence the recycling behaviour. The study was based on households located in an urban residential area in Sweden, where waste composition studies were performed before and after the interventions by manual sorting (pick analysis). Statistical analyses of the results indicated a significant decrease (28%) of packaging and newsprint in the residual waste after establishing a property close collection system (intervention (a)), as well as significant decrease (70%) of the miss-sorted fraction in bags intended for food waste after new information stickers were introduced (intervention (b)). Providing a property close collection system to collect more waste fractions as well as finding new communication channels for information about sorting can be used as tools to increase the source separation ratio. This contribution also highlights the need to evaluate the effects of different types of information and communication concerning sorting instructions in a property close collection system.

ACS Style

Kamran Rousta; Kim Bolton; Magnus Lundin; Lisa Dahlén. Quantitative assessment of distance to collection point and improved sorting information on source separation of household waste. Waste Management 2015, 40, 22 -30.

AMA Style

Kamran Rousta, Kim Bolton, Magnus Lundin, Lisa Dahlén. Quantitative assessment of distance to collection point and improved sorting information on source separation of household waste. Waste Management. 2015; 40 ():22-30.

Chicago/Turabian Style

Kamran Rousta; Kim Bolton; Magnus Lundin; Lisa Dahlén. 2015. "Quantitative assessment of distance to collection point and improved sorting information on source separation of household waste." Waste Management 40, no. : 22-30.

Journal article
Published: 02 October 2013 in Sustainability
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Source separation is a common method for dealing with the increasing problem of Municipal Solid Waste (MSW) in society. The citizens are then responsible for separating waste fractions produced in their home. If the consumers fail to sort the waste according to the source separation scheme, it will lead to an ineffective system. The purpose of this paper is to analyze the environmental, economic and social aspects of incorrect waste sorting in a medium sized Swedish city that has established a source separation system. In order to determine the extent to which citizens correctly sort their waste, food waste (black bags) and combustible fraction (white bags), were collected randomly from a residential area and categorized in different waste fractions. The results show that approximately 68 wt% of the waste in the white and 29 wt% in the black bags were not sorted correctly. This incorrect sorting accrues over 13 million SEK per year cost for this community. In order to improve the inhabitants’ participation in the waste management system, it is necessary to change different factors such as convenience and easy access to the recycling stations in the local MSW management systems as well as to review current regulation and policy.

ACS Style

Kamran Rousta; Karin M. Ekström. Assessing Incorrect Household Waste Sorting in a Medium-Sized Swedish City. Sustainability 2013, 5, 4349 -4361.

AMA Style

Kamran Rousta, Karin M. Ekström. Assessing Incorrect Household Waste Sorting in a Medium-Sized Swedish City. Sustainability. 2013; 5 (10):4349-4361.

Chicago/Turabian Style

Kamran Rousta; Karin M. Ekström. 2013. "Assessing Incorrect Household Waste Sorting in a Medium-Sized Swedish City." Sustainability 5, no. 10: 4349-4361.