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New Alternative Fuel Production system improves RDF quality

At UNTHA UK, our motto is ‘We will give you more’. More flexibility, more customer service and more return on investment, to name just a few. And now, we’re offering more solutions to support our clients with the production of a high quality RDF. We recently spoke to MRW Magazine to explain why we have launched our new Alternative Fuel Production (AFP) system…

1. What is your product?

The UNTHA Alternative Fuel Production (AFP) system, which incorporates an XR shredder, conveyor and magnet and is supplied as a complete package for the manufacturing of Refuse Derived Fuel.

2. How does it work?

With this system, clients have all the technologies they need to process MSW into a high quality RDF, which will maximise their revenue stream and return on investment.

Input material is firstly shredded by the single-shaft XR. An extensive range of cutters and optional screens are available, making the XR highly configurable – it can achieve a particle size of 80-400mm, depending on the end user RDF specification, in a single pass.

Separation equipment then allows recyclates to be extracted. The AFP plant can also be fitted with a trommel, eddy current separator and/or baler, according to customer requirements.

3. Where would it ideally be used?

The technology is perfect for organisations producing RDF for export. The compact plant has also been carefully designed so it has a small footprint and can be installed in facilities with restrictive space.

4. How is it different?

The AFP provides clients with a complete solution for efficient, cost-effective and compliant RDF production. This quick and easy procurement process removes the headache of sourcing different technologies from different suppliers, and the integration of separation equipment ensures the greater extraction of valuable recyclates such as metals, thus maximising the customer’s production margins.

5. What benefits does it offer?

With almost 1 million tonnes of RDF exported overseas in 2012 and export levels set to remain high, the most important benefit of the AFP system is that it ensures compliance with TransFrontier Shipment (TFS) regulations for waste.

Investment in this more sophisticated RDF production technology also enables our customer to achieve greater revenue from the waste they are processing.

The advanced cutting system of the XR can produce a guaranteed particle size in three dimensions rather than just two, which many more modern WtE plants are now demanding. The flexibility of this shredder will also ensure that as client requirements evolve, they can be continually satisfied.

6. Where has it been used?

This complete plant has already proven very popular on the continent, in countries that are more advanced in their utilisation of WtE technologies. The system’s flexibility means it is being used in varying applications too, for example in Finland the AFP package enables one client to shred down to 80mm for gasification.

7. Cost?

This is a cost-effective system available from one supplier. For clients with capital investment or cash flow concerns, a variety of lending packages can be devised through UNTHA Finance to make the package more affordable.

The cost varies according to the precise customer specification, but a recent quote based on a 60 month finance package, and considering processing and wear costs, power consumption and an estimation of labour, calculated that the system could operate at a cost of only £3.75 per tonne (based on a two shift operation producing 120,000 tonnes per annum).

8. Any savings?

In addition to the savings already mentioned, this plant is also energy efficient, enabling the customer to further reduce their RDF production costs.

9. What about maintenance?

Comprehensive operational and health and safety training is delivered at the installation phase, ensuring the client can maintain the plant with ease. The XR’s foreign object protection mechanism also guards against unshreddable items and discharges them quickly and efficiently, to prevent machine damage and ensure a fit-for-purpose shred.

Every XR is supplied with a modem so that UNTHA can dial in and quickly interrogate the system should a problem arise. This approach is responsive and sustainable too, as the engineer does not need to physically be on site. A range of UNTHA maintenance packages are also available.

10. How is it future-proofed?

A number of WtE plants on the continent are also being decommissioned which will inevitably pave the way for newer, more sophisticated facilities with more stringent quality requirements. With this flexible AFP system RDF producers can configure their manufacturing process as customer requirements evolve – only a simple mechanical change is required, which protects the customer’s investment for years to come.


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Excel House, Becklands Close,
Bar Lane, Roecliffe, Boroughbridge
YO51 9NR York
United Kingdom

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UNTHA UK is the country’s leading supplier of innovative waste shredding technology and waste management expertise. Combining unparalleled technological manufacturing capabilities with decades of UK marketplace and shredding application expertise, UNTHA UK delivers an insightful, personable and value-adding service which has cemented the company’s position as the number one waste machinery provider in the country. ISOQAR Registered
Cert No. 11513
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Cert No. 11513
ISO 9001
ISO 14001
OHSAS 18001
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