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SulphonationThe DSC R&D team designed and implemented a new technical solution to optimize the test execution in the Sulphonation Pilot Plant. The new solution consists in a pre-heating system made of a series of electrical resistances applied externally at the SO2/SO3 conversion unit. The heating system is fully integrated with the plant control system and safety switches to be active even outside the working time. The pre-heating system introduces a number of advantages: reduction of plant start-up time, shortening of timing to reach process steady-state, reduction of raw material's consumption, speeding-up the Sulphonation tests execution, higher reliability and repeatability of experimental data (in case of materials difficult to treat). The overall pilot plant operational efficiency will be strongly improved by this technical solution.