**Preface XI**


Preface

This edited volume is a collection of reviewed and relevant research chapters concerning the developments within the chemical, biochemical, and environmental fields of study. This book includes scholarly contributions by various authors and is edited by experts pertinent to chemical engineering. Each contribution comes as a separate chapter complete in itself

This book contains five chapters. It will be of interest to operators of wastewater treatment plants and sludge treatment and disposal facilities as well as to researchers and university

**Ján Derco**

Bratislava, Slovakia **Branislav Vrana** Masaryk University Brno, Czech Republic

Slovak University of Technology

but directly related to the book's topics and objectives.

students in the field of environmental engineering.
