Here are four 5 minute videos describing the public domain concept of Pass-through Distillation

Lecture 1: Defining the Term

Lecture 2: Temperatures and Pressures

Lecture 3: Multiple Effect Distillation

Lecture 4: A Working Example

The next two short videos deal with Drystill’s proprietary implementation of PTD

Lecture 5: SAM A Special Device

Lecture 6: Heat Pipes

This is a 20 minute technical presentation delivered in 2014 in the Netherlands. It shows the similarities between Drystill’s PTD technology and absorption chiller technology.

Netherlands 2014 Presentation

Here is a video describing how Drystill’s TIEGA process differs from conventional distillation

Drystill’s New Distillation Paradigm