Separation Process PrinciplesDid You Know? This book is also available as a Wiley eText. The Wiley eText is a complete digital version of the text that makes time spent studying more efficient. Course materials can be accessed on a desktop, laptop, or mobile deviceso that learning can take place anytime, anywhere. A more affordable alternative to traditional print, the Wiley eText creates a flexible user experience: Access on the go Search across content Highlight and take notes