Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.23
S. L. Ngan, H. L. Lam, P. Yatim, A. Er
The urge for climate change mitigation has created a strong resonance in industrial world on the utilization of renewable resources. As the second-world largest palm oil exporter, Malaysia produces abundant amount of oil palm biomass which can be best utilized for “waste-to-wealth”. As the country attempts to transition towards green growth, policy frameworks have been established and implemented to promote and support the industry. However, the overall development of the biomass industry remains underdeveloped. Lack of understanding of risks associated with the industry is often cited as one of the reasons for the industry’s slow growth. Therefore, it is imperative that these risk factors are identified and evaluated in a comprehensive manner so that industry players can address these risks and put in place risk management and mitigation mechanisms. In this study, Fuzzy Analytic Network Process (FANP), and Decision Making Trial and Evaluation Laboratory (DEMATEL) are employed to develop a hybrid model to assess risk factors typically found in biomass industry to determine the top risks in order to put in place effective risk mitigation mechanisms to spur up the growth of the industry in Malaysia.
{"title":"Accessing risk for Malaysian palm oil biomass industry with FANP-DEMATEL model","authors":"S. L. Ngan, H. L. Lam, P. Yatim, A. Er","doi":"10.18690/978-961-286-211-4.23","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.23","url":null,"abstract":"The urge for climate change mitigation has created a strong resonance in industrial world on the utilization of renewable resources. As the second-world largest palm oil exporter, Malaysia produces abundant amount of oil palm biomass which can be best utilized for “waste-to-wealth”. As the country attempts to transition towards green growth, policy frameworks have been established and implemented to promote and support the industry. However, the overall development of the biomass industry remains underdeveloped. Lack of understanding of risks associated with the industry is often cited as one of the reasons for the industry’s slow growth. Therefore, it is imperative that these risk factors are identified and evaluated in a comprehensive manner so that industry players can address these risks and put in place risk management and mitigation mechanisms. In this study, Fuzzy Analytic Network Process (FANP), and Decision Making Trial and Evaluation Laboratory (DEMATEL) are employed to develop a hybrid model to assess risk factors typically found in biomass industry to determine the top risks in order to put in place effective risk mitigation mechanisms to spur up the growth of the industry in Malaysia.","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116599843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.3
J. Martinez, C. Barajas-Ferreira, V. Kafarov
{"title":"Improvement of Colombian aquaculture hydric sustainability: application of phytoremediation process under a circular economy scheme","authors":"J. Martinez, C. Barajas-Ferreira, V. Kafarov","doi":"10.18690/978-961-286-211-4.3","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.3","url":null,"abstract":"","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129917129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.12
T. Zula, Maribor Slovenia Architecture, S. Kravanja
The paper presents the optimization of the sustainability profit generated by the production of simply supported beams in the area of civil engineering. A number of beams are proposed to be designed from three different material alternatives: from the structural steel, from the reinforced concrete and from the laminated timber. For this reason, three optimization models of beams are developed for the three materials. In addition, two different objectives are defined for each different material alternative: for the economic profit and for the sustainability profit (which includes eco costs of the global warming). The proposed objective functions are subjected to the design, resistance and deflection constraints of the beams, determined in accordance with Eurocode 2, 3 and 5 specifications. The optimizations of the beam alternatives are performed by the mixed-integer non-linear programming (MINLP) approach. GAMS/Dicopt is used. The task of the optimization is to find the most advantageous material alternative for the beams. The numerical example, presented at the end of the paper, clearly shows that the reinforced concrete beams exhibit the highest economic profit, but the timber beams give the highest sustainability profit.
{"title":"Optimization of the sustainability profit generated by the production of beams","authors":"T. Zula, Maribor Slovenia Architecture, S. Kravanja","doi":"10.18690/978-961-286-211-4.12","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.12","url":null,"abstract":"The paper presents the optimization of the sustainability profit generated by the production of simply supported beams in the area of civil engineering. A number of beams are proposed to be designed from three different material alternatives: from the structural steel, from the reinforced concrete and from the laminated timber. For this reason, three optimization models of beams are developed for the three materials. In addition, two different objectives are defined for each different material alternative: for the economic profit and for the sustainability profit (which includes eco costs of the global warming). The proposed objective functions are subjected to the design, resistance and deflection constraints of the beams, determined in accordance with Eurocode 2, 3 and 5 specifications. The optimizations of the beam alternatives are performed by the mixed-integer non-linear programming (MINLP) approach. GAMS/Dicopt is used. The task of the optimization is to find the most advantageous material alternative for the beams. The numerical example, presented at the end of the paper, clearly shows that the reinforced concrete beams exhibit the highest economic profit, but the timber beams give the highest sustainability profit.","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129986101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.20
Klavdija Rižnar, Slovenija Znanstveno-raziskovalno središče Bistra Ptuj, Dušan Klinar, Gregor Uhan, Danilo Čeh
{"title":"LIFE B.R.A.V.E.R. – Povečanje zakonskih prednosti v korist EMAS sistemu","authors":"Klavdija Rižnar, Slovenija Znanstveno-raziskovalno središče Bistra Ptuj, Dušan Klinar, Gregor Uhan, Danilo Čeh","doi":"10.18690/978-961-286-211-4.20","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.20","url":null,"abstract":"","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129740231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.11
S. Kravanja, Maribor Slovenia Architecture, T. Zula
The paper presents the cost optimization of a lined rock cavern (LRC), designed for an underground gas storage (UGS). The optimization was performed by the mixed-integer non-linear programming (MINLP) approach. GAMS/DICOPT was used. For this purpose, the MINLP optimization model was developed. The model comprised the cost objective function, which was subjected to geomechanical and design constraints. The rock mass strength stability and safety of the system were assured by these constraints. In the near past, the non-linear programming (NLP) optimization of a single gas cavern, of a whole underground gas storage and of a UGS in different rock environments was performed. Contrary to the mentioned NLP optimizations, where only the theoretical optimal results with continuous variables were obtained, in this paper the MINLP optimization of the LRC is proposed in order to handle the discrete alternatives explicitly. In this way, the solution obtained is a real optimal engineering solution with the calculated discrete values of different design parameters like cavern depth, diameter, height, wall thickness and inner gas pressure. A numerical example at the end of the paper shows the MINLP optimization of the investment costs of the lined rock cavern for the UGS in Senovo, Slovenia.
{"title":"MINLP optimization of the underground lined rock cavern","authors":"S. Kravanja, Maribor Slovenia Architecture, T. Zula","doi":"10.18690/978-961-286-211-4.11","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.11","url":null,"abstract":"The paper presents the cost optimization of a lined rock cavern (LRC), designed for an underground gas storage (UGS). The optimization was performed by the mixed-integer non-linear programming (MINLP) approach. GAMS/DICOPT was used. For this purpose, the MINLP optimization model was developed. The model comprised the cost objective function, which was subjected to geomechanical and design constraints. The rock mass strength stability and safety of the system were assured by these constraints. In the near past, the non-linear programming (NLP) optimization of a single gas cavern, of a whole underground gas storage and of a UGS in different rock environments was performed. Contrary to the mentioned NLP optimizations, where only the theoretical optimal results with continuous variables were obtained, in this paper the MINLP optimization of the LRC is proposed in order to handle the discrete alternatives explicitly. In this way, the solution obtained is a real optimal engineering solution with the calculated discrete values of different design parameters like cavern depth, diameter, height, wall thickness and inner gas pressure. A numerical example at the end of the paper shows the MINLP optimization of the investment costs of the lined rock cavern for the UGS in Senovo, Slovenia.","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127656622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.15
Darja Pečar, Ana Vozlič, Janez Smerkolj, Franc Pohleven, Andreja Goršek
{"title":"Kinetika nastajanja CH4 med anaerobno fermentacijo piščančjega gnoja z žagovino in z glivami predobdelane pšenične slame","authors":"Darja Pečar, Ana Vozlič, Janez Smerkolj, Franc Pohleven, Andreja Goršek","doi":"10.18690/978-961-286-211-4.15","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.15","url":null,"abstract":"","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127756579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.13
A. Pavlišič, B. Likozar, V. Dasireddy, Anže Prašnikar, M. Huš, D. Kopač, Neja Strah Štefančič
{"title":"Conversion of CO2 within sustainable process industry through resource and energy efficiency","authors":"A. Pavlišič, B. Likozar, V. Dasireddy, Anže Prašnikar, M. Huš, D. Kopač, Neja Strah Štefančič","doi":"10.18690/978-961-286-211-4.13","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.13","url":null,"abstract":"","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"251 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120981221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.1
D. Krajnc, Fakulteta za kemijo in kemijsko tehnologijo Univerza v Mariboru, Z. Kravanja, Z. N. Pintarič, Lidija Čuček
{"title":"Kako praktično ovrednotiti okoljske vplive proizvoda?","authors":"D. Krajnc, Fakulteta za kemijo in kemijsko tehnologijo Univerza v Mariboru, Z. Kravanja, Z. N. Pintarič, Lidija Čuček","doi":"10.18690/978-961-286-211-4.1","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.1","url":null,"abstract":"","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129932725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.7
Alenka Pavlin, Moravče Slovenija Termit, B. Horvat, V. Ducman
{"title":"TERMIT’s circular economy","authors":"Alenka Pavlin, Moravče Slovenija Termit, B. Horvat, V. Ducman","doi":"10.18690/978-961-286-211-4.7","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.7","url":null,"abstract":"","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130315243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2018-11-01DOI: 10.18690/978-961-286-211-4.8
B. Tropenauer, D. Klinar, N. Samec, J. Golob
The production of aluminium achieved significant step regarding energy efficiency while one of important waste stream remains untreated. Namely, waste, known as Spent Pot Lining (SPL) derives from each individual electrolytic cell, or more precisely from the material of the cathode electrode bath. The SPL stream contributes to about million tons per year of hazardous waste in the world’s smelters production. The carbonaceous content represents 60 % of the whole SPL mass and consists of a great part of graphite. This part of waste represents a great opportunity to harvest its usable material flows. Laboratory tests confirmed the inefficiency of onestep treatment separation of different impurities as needed. With the help of laboratory investigations, the possibilities of material utilization of SPL have been studied. Comprehensive aspects of preliminary inquiry allow placing a new model for the preparation of products that satisfy customer’s needs. This approach improves process economics and effectively close the loop of mass flow.
{"title":"Circular economy model of cathode waste processing","authors":"B. Tropenauer, D. Klinar, N. Samec, J. Golob","doi":"10.18690/978-961-286-211-4.8","DOIUrl":"https://doi.org/10.18690/978-961-286-211-4.8","url":null,"abstract":"The production of aluminium achieved significant step regarding energy efficiency while one of important waste stream remains untreated. Namely, waste, known as Spent Pot Lining (SPL) derives from each individual electrolytic cell, or more precisely from the material of the cathode electrode bath. The SPL stream contributes to about million tons per year of hazardous waste in the world’s smelters production. The carbonaceous content represents 60 % of the whole SPL mass and consists of a great part of graphite. This part of waste represents a great opportunity to harvest its usable material flows. Laboratory tests confirmed the inefficiency of onestep treatment separation of different impurities as needed. With the help of laboratory investigations, the possibilities of material utilization of SPL have been studied. Comprehensive aspects of preliminary inquiry allow placing a new model for the preparation of products that satisfy customer’s needs. This approach improves process economics and effectively close the loop of mass flow.","PeriodicalId":429578,"journal":{"name":"Technologies & Business Models for Circular Economy","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130489477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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