Duiker Combustion Engineers is an engineering and contracting company, based in Wateringen - The Netherlands. The company has in excess of 50 years history in developing, designing, supplying and installing combustion- & process systems for the oil refining, (petro-)chemical, pharmaceutical, natural gas processing and fertilizer industries worldwide. Nowadays Duiker has developed solutions to covert ammonia (NH3) into heat and into hydrogen (NH3 cracking)