Tech to purify water with coconut fibre 951807 SHARE By Kabeer Yousuf — MUSCAT: March 11 - A group of 13 students from Higher College of Technology, Al Khuwair have developed a technology to purify water without losing its mineral contents using coconut fibre. The waste from the process can also be used as a fertiliser for plants. “The water filter technology that we are familiar with will be equipped with grounded fibre material for effective filtering which work in two different ways”, says Mazen Khamis al Aufi, a fifth year student who heads the team. “First, it purifies water from various undesired impurities including salts and heavy metals in a natural way while retaining it’s mineral content and frees the water from any chlorine taste.