Ali Mahdi

Environmental Engineer

Thesis


The Treatment of High-Strength Alcohol Distillery Wastewater Using Electro-Fenton Oxidation: Optimization by Response Surface Methodology

Table of Contents

Chapter 1

Introduction

1-1- Expressing the problem and the necessity of conducting research

1-2- Research Objectives

1-2-1- Main goals

1-2-2- Sub-objectives

1-3- Research hypothesis

1-4- Research method

1-5- Method of achieving research goals

1-6- Thesis structure

Chapter 2

Library Studies

2-1- Alcohol production process by fermentation and distillation method

2-2- Effluent characteristics of alcohol industries

2-3- Wastewater treatment methods for the alcohol industry

2-3-1- Anaerobic methods

2-3-1-1- Anaerobic and biphasic anaerobic systems

2-3-1-2- Anaerobic lagoons

2-3-1-3- Conventional anaerobic systems

2-3-2- High speed anaerobic reactors

2-3-2-1- Fixed film aerobic reactors (AFFR)

2-3-2-2- UASB reactors

2-3-2-3- Anaerobic fluidized bed reactors

2-3-2-4- Anaerobic batch reactors

2-3-3 – Aerobic systems

2-3-3-1- Fungal systems

2-3-3-2- Bacterial systems

2-3-3-3- Cyanobacter-Algae systems

2-3-3-4- Phytoremediation-constructed countries

2-3-4- Physicochemical treatment methods

2-3-4-1- Absorption

2-3-4-2- Coagulation and flocculation

2-3-4-3- Oxidation

2-3-4-4- Other purification methods

2-4- Electric coagulation method

2-4-1- Electrofenton process

2-4-2- Factors affecting electrofenton

2-4-2-1- pH

2-4-2-2-Oxygen diffusion rate

2-4-2-3- Temperature

2-4-2-4- Current density:

2-4-2-5- Concentration of Fe ion

2-4-2-6- Hydrogen Peroxide

2-4-2-7- Distance between electrodes

2-4-2-8- Time

2-4-2-9- Electrolyte environment

2-5- Previous research

2-6- Design of experiments

2-6-1- Response Procedure Method

2-6-1-1- Test design by CCD method

2-6-2- Design steps

Chapter 3

Materials and Methods

3-1- Specifications of the reactor used

3-2- Materials

3-3-Equipment

3-4-Specifications of sewage

3-5- Method of performing experiments

3-6- Sample analysis method

3-7- Sewage discharge standard in Iran

Chapter 4

Results and Discussion

4-1- Preliminary tests

4-1-1- Determining the number and optimal arrangement of electrodes

4-1-2-Determining the optimal amount of Na2SO4

4-1-3-Determining the distance between electrodes

4-1-4-Determining the optimal pH

4-2- Experiments designed by software

4-3- Removal of COD

4-3-1- Selecting the COD  removal model

4-3-2- Analysis of variance for COD removal model

4-3-3- Assessing the adequacy of COD  removal model

4-3-4- COD removal results

4-3-4-1- Response diagrams for COD removal

4-4- Energy consumption to COD removal ratio

4-4-1- Selecting the model of energy consumption to COD removal ratio

4-4-2- Analysis of variance for energy consumption to COD removal model

4-4-3- Assessing the adequacy of the energy consumption ratio model to COD removal

4-4-4- Results of energy consumption to COD removal ratio

4-4-4-1- Response diagrams for energy consumption to COD removal ratio

4-5- Remove color

4-5-1- Analysis of variance for color removal model

4-6- Removing turbidity

4-6-1- Analysis of variance for turbidity removal model

4-7- Selecting the optimal mode

4-8- Reuse of effluent

Chapter 5

Conclusions and Suggestions

5-1- Results

5-2- Suggestions

Resources (190 References)