Patent ID: 8580085
Filing Date: 2013-11-12
Classification: B01D,C02F,Y02A,Y02W

Abstract:
1. A process for distillation to recover potable water, comprising: providing a solar distillation still having a light-transmitting roof top with an inside surface, a water transport tube with an outside surface, an inlet and an outlet, a potable water collection device positioned below and aligned with the tube such that potable water condensing on the outside surface of the tube will drip into the collection device, and an inclined heating surface positioned underneath the roof top and adapted for receiving a flow of non-potable water therealong, the heating surface having an upper end and a lower end; operating the solar distillation still through a cycled arrangement alternating between a day cycle and a night cycle; wherein the day cycle includes: wherein the night cycle includes: