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Automated Manufacture of Fertilizing Agglomerates from Burnt Wood Ash
Abstract
In Sweden, extensive research is conducted to find alternative sources of energy that should partly replace the electric power production from nuclear power. With the ambition to create a sustainable system for producing energy, the use of renewable energy is expected to grow further and biofuels are expected to account for a significant part of this increase. However, when biofuels are burned or gasified, ash appears as a by-product. In order to overcome the problems related to deposition in land fills, the idea is to transform the ashes into a product β agglomerates β that easily could be recycled back to the forest grounds; as a fertilizer, or as a tool to reduce the acidification in the forest soil at the spreading area. This work considers the control of a transformation process, which transforms wood ash produced at a district heating plant into fertilizing agglomerates. A robust machine, built to comply with the industrial requirements for continuous operation, has been developed and is controlled by an industrial control system in order to enable an automated manufacture- thesis/docmono
- info:eu-repo/semantics/doctoralThesis
- text
- Other Electrical Engineering, Electronic Engineering, Information Engineering
- Adaptive Filtering
- Ash Recycling
- Change Detection
- System Identification
- Real-Time Control
- Robust Control
- Process Design
- Control System Design
- Carbon In Fly Ash (CIFA) monitoring
- PID-Control
- Agglomeration Techniques
- Moisture Control
- Dehydration Techniques.
- Automation
- robotics
- control engineering
- Automatiska system
- robotteknik
- reglerteknik