Product Details Supplier Info More products
Download document:

Digestion_Secondary_Recovered_Fuel_Samples - .PDF file.

Secondary Recovered Fuels (SRF) are different streams of material from the garbage recycling and are a challenging mix of materials. In many countries there are limits of heavy metals for this type of fuel, as they are emitted into the environment after the incineration.

As secondary recovered fuels consist of very different materials like polymers, wood chips, ground used tires etc., the chemical behaviour of the material can vary considerably due to its origin, main components, but also fillers. This also makes the homogeneity of the sample a major issue. Moreover, as it is not predictable, which types of polymers are present in the secondary fuel samples, the method should be tolerant and be capable to handle the mentioned variability without deviation in recoveries.

For a successful acid digestion a sufficiently high temperature has to be provided to be able to digest the more durable polymer components like aromatic structures. However, fillers like SiO2 or pigments like TiO2 will only dissolve with the presence of HF in the acid mixture. The recovery of other elements like Fe, Cd benefits from the presence of the complex hydrochloric acid.

In order to demonstrate the suitability of a microwave for sample preparation prior to element analysis, the recovery rates of an exemplary certified reference material were determined and in addition a real-life sample was compared with a validated reference digestion with a Multiwave 3000 from Anton Paar.

Click on the link above to download this report and see the full details of this experiment and its interesting findings.

Anton Paar Ltd

Anton Paar develops, produces and distributes highly accurate laboratory instruments and process measuring systems, and provides custom-tailored automation and robotic solutions.

Anton Paar develops, produces and distributes highly accurate laboratory instruments and process measuring systems, and provides custom-tailored automation and robotic solutions.

It is the world leader in the measurement of density, concentration and CO2 and in the field of Rheometry. Other areas of specialty are: Viscometry, Polarimetry, Refractometry, Microwave Sample Preparation & Synthesis, Chemical and Mechanical Surface and Nanostructure Analysis.

With over 2200 employees at the headquarters in Graz (Austria) and the 25 sales subsidiaries worldwide, Anton Paar ensure that their products live up to their excellent reputation. The core competence of the company – high-precision production – and close contact to the scientific community form the basis for the quality of Anton Paar’s instruments.

A strong sales network in more than 110 countries guarantees customers rapid support and answers to their application and service queries.

Innovation is the basis for progress and every year Anton Paar invests more than 20 percent of the annual turnover in R&D.

Anton Paar Limited, a subsidiary of Anton Paar GmbH, provides sales, application support and service to users across the UK and Ireland.

With an office in St Albans (UK) and Dublin (Ireland) and a team of over 30 dedicated employees, Anton Paar Limited aims to provide first-class service at every stage in the customer relationship, ensuring our products live up to their excellent reputation.

Anton Paar Ltd
Unit F, The Courtyard
St Albans
AL4 0LA
UK

View full profile