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- Type of Document: M.Sc. Thesis
- Language: Farsi
- Document No: 47766 (06)
- University: Sharif University of Technology
- Department: Chemical and Petroleum Engineering
- Advisor(s): Kariminia, Hamid Reza
- Abstract:
- In this project, tomato processing waste has been considered as a raw material for bio-refinery applications. Some products from tomato wastes that are usable, economical and environmentally friendly have chosen after lots of studying on researches in regards of producing valuable materials from tomato waste. I’ve used “Superpro designer” software for economical evaluation and determining the possibility of this practice for industrial applications. Beside the tomato paste factory, the process includes one unit of Lycopene production. In addition to Lycopene production, it is possible to produce fertilizer from residues and using them as livestock food or producing energy for the output process. In the software each three kinds mentioned above were considered and compared. Also the amount of produced Lycopene was compared with both suxhlet and mixing reactor plants. Three kinds of diverse solvent in different amounts and environment situations were selected and examined. Results revealed that using a mixing reactor with Hexane solvent is economically convenient and solvent volume ratio to solid phase are selected for tomato waste four times based on weight and two times for all of tomato. Although there is more efficiency of extraction in higher temperatures, but room temperature was selected for reducing the loss of solvent. Sum of 222.61 mg lycopene versus one kg of tomato waste and 293.55 mg lycopene versus one kg of tomato were produced in this situation. 135000 ton per year tomato has considered for this factory and considering to this amount of input this factor will product 19.8 ton tomato paste per year. For increasing the amount of net present value, 5% of input tomato was transferred to the Lycopene production unit and tomato paste production decrease to 18/8 ton per year. This change increases the lycopene production and net present value from 2000 kg/yr to 3800 kg/yr and from 58 million dollars to 72 million dollars. Drying the residue of tomato waste and use for silage is the most economical process in this factory
- Keywords:
- Extraction ; Solvents ; Economic Analysis ; Environment ; Biorefinery Design ; Tomato Waste ; Carotenoid ; Lycopene ; Solvents
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