Due to the increasing demand for bio heating oil a sufficient quality and oxidation stability as well as safe handling are of enormous importance. The German pre-standard DIN SPEC 51603-6 specifies the minimum requirements and test methods with corresponding limits for alternative liquid fuels such as FAME. This is essential for a safe use of heating oil in the respective oil equipment. Information concerning the risk or potential negative interactions of oxidation stabilizers with the fuel oil matrix and its additives are also of great importance, but could not be detected by any test until 2015.
In cooperation with the mineral oil industry AGQM has developed the No-Harm test for oxidation stabilizers in bio heating oil. This testing program rules out possible negative interactions of additives with fossil oil and its additives. The test program includes the following:
In May 2016, the first period of the No-Harm test for oxidation stabilizers in bio heating oil was successfully completed. Unfortunately, none of the tested additives could be added to the No-Harm list. The problems could be verified and it is assumed that the additives can be successfully tested in a new No-Harm testing. The problems encountered indicate that No-Harm testing is essential to ensure quality and secure use of additives.
The second test round could be completed in June 2017. One additive passed the test successfully and a new no-harm list for FAME as blend component in heating oil could be opened:
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