 PyroGenesis Canada Inc is reported to be starting the final phase of the PUREVAP Quartz Reduction Reactor research and development program, according to its technology partner HPQ Silicon Resources Inc. In a statement, HPQ Silicon Resources said that with the imminent completion of the commissioning of the pilot system, time has arrived for the ownership of the pilot system to be transferred to HPQ-Silicon from PyroGenesis Canada. The plan has always been to transfer the ownership of the pilot systems from technology provider PyroGenesis to HPQ Silicon prior to the reactor start. 