Pfeiffer (India) Pvt. Ltd., a subsidiary of Gebr. Pfeiffer SE, Kaiserslautern, Germany, the customer will install the 50-t/h dryer plant at the end of 2018, which is expected to go on stream in spring 2019. It is also planned to partially calcine the gypsum. Tests conducted at the Pfeiffer test station produced positive results in this respect.