Brimstone Vail Symposium 2017 Papers are now available along with newly-posted papers from several older Sulfur Recovery Symposia. We now have all the Vail Symposia papers dating back to 2009 plus those from all the Vienna Symposia (2013 – 2015) and Abu Dhabi Symposia (2015 – 2016). These papers are available for download by attendees of any of our symposia during any of the last three years. You will be sent an e-mail with the password and instructions for download. We will continue to make papers from earlier Sulfur Recovery Symposia from time to time.