This is the 2015 Proceedings (34th Biennial Conference - located in Scottsdale, AZ - November 8 through 11, 2015) of the the Institute for Briquetting and Agglomeration (IBA). IBA is a group of business and technical people interested and involved in the research, development and production of briquets, pellets and other densifed products and the equipment to produce them. The conference is conducted in order to share information concerning such topics as compaction, the processing of a broad range of materials by varied agglomeration techniques, and to spread the knowledge of size enlargement arts and sciences, briquetting, pelletizing, granulating and extrusion of powder and bulk materials.