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Waste management and production systems; The case of Zanzibar
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
KTH, School of Industrial Engineering and Management (ITM), Production Engineering.
2014 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Denna studie utfördes som ett kandidatexamensarbete vid Kungliga Tekniska Högskolan i Stockholm, Sverige, under våren 2014. Projektet genomfördes som en fältstudie på Zanzibar,Tanzania, finansierad av SIDA och i samarbete med Zanrec. Ögruppen Zanzibar genererar över 92,000 ton avfall varje år vilket är jämförbart med vikten av en Boeing 747 per dag. Avfallet kontaminerar miljön och påverkar såväl folkhälsan som Zanzibars ekonomi negativt. Mängden producerat avfall på en ö är begränsat liksom möjligheten för avfallet att transporteras fritt över landgränser. Traditionella avfallshanteringsföretag saknar ekonomiska incitament för att etablera sig på små marknader likt denna och därmed saknar många öar i utvecklingsländer ett hållbart system föravfallshantering. Zanrec har identifierat detta som en affärsmöjlighet och har utvecklat en affärsmodell för att arbeta med avfallshantering i geografiskt begränsade landområden. Det främsta målet med denna studie var att undersöka hur Zanrec kan möta kundkrav genom en hållbar supply chain samt undersöka hur Zanrec kan öka värdet i specifika avfallsfraktioner för att kunna skala upp verksamheten. För att uppnå ett tillfredsställande resultat grundades studien i att: (i) ge en inblick i avfallshantering i utvecklingsländer, (ii) kartlägga Zanrecs nuvarande supply chain, (iii) definiera vad som är värdeskapande aktiviteter enligt såväl hotell- som slutkunder, (iv) identifiera Zanrecs möjligheter och begränsningar baserat på nuvarande förutsättningar. Slutresultaten av denna studie kommer att ligga till grund för effektivisering av Zanrecs berörda affärsområden och kan användas som riktlinjer i framtagandet av policys gällandes avfallshanteringssystem i andra utvecklingsländer.

Abstract [en]

This study was performed as a bachelor thesis at the Royal Institute of Technology in Stockholm, Sweden, in the spring of 2014, and was carried out as a Minor Field Study funded by SIDA. It was conducted as a literature study complemented by a field study on Zanzibar, in collaboration with Zanrec. Zanzibar as an archipelago, with its 495 000 inhabitants, generates over 92,000 metric tons of waste a year, which is equivalent of the weight of a Boeing 747 per day, contaminating the environment and causing implications to both public health and the island’s economy due to it’s effects on the important tourism industry. The amount of produced waste on an island is limited as well as the possibility for waste to be spread over island boundaries. Traditional waste management companies lack economical incentives to establish on such a small market, therefore many islands in developing countries lack a sustainable system for waste management. Zanrec has identified this as a business opportunity and has developed a business model to deal with waste management on limited geographical areas. The main objective of this study was to investigate how Zanrec can meet customer demands by developing a sustainable supply chain, and to investigate how Zanrec can increase value of specific goods in order to scale the business. In order to achieve a satisfying result, the study was aimed to: (i) give insights into waste management in developing countries, (ii) map Zanrec’s supply chain of today, (iii) define what the value-adding activities are in the eyes of the customers, both hotels and plastic buyers, (iv) identify limitations/possibilities based on Zanrec’s prerequisites. The results of this thesis will work as a foundation to make Zanrec’s business areas of concern more efficient and will work as a benchmark in policy making when working with waste management systems in other developing areas.

Place, publisher, year, edition, pages
2014. , 40 p.
Series
Examensarbete inom industriell produktion, 306
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-173477OAI: oai:DiVA.org:kth-173477DiVA: diva2:853136
Examiners
Available from: 2015-09-11 Created: 2015-09-11 Last updated: 2015-09-11Bibliographically approved

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