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Bituminous mixtures – Test methods for hot mix asphalt Part 3: Bitumen recovery: Rotary evaporator

October 16th, 2017 | Posted by Cynog in News

This test method recovers soluble bitumen from bituminous mixtures used in road, airfield or similar pavements in a form suitable for further testing. The recovery process involves dissolving the bitumen in dichloromethane and once the undissolved solids from the bitumen are removed the bitumen is recovered from it by vacuum distillation using a rotary evaporator. 

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