Chapter ONE

1.1 Introduction
1.2 Background of study
1.3 Problem Statement
1.4 Objective of study
1.5 Limitation of study
1.6 Scope of study
1.7 Significance of study
1.8 Structure of the research
1.9 Definition of terms

Chapter TWO

2.1 Overview of Packed Bed Reactor Systems
2.2 Biosorption as a Remediation Technique
2.3 Cr(VI) Contamination in Aqueous Solutions
2.4 Corn Cob Powder as a Biosorbent
2.5 Adsorption Mechanisms in Packed Bed Reactors
2.6 Factors Affecting Biosorption Efficiency
2.7 Previous Studies on Cr(VI) Biosorption
2.8 Comparison of Biosorption Methods
2.9 Sustainable Aspects of Biosorption
2.10 Future Trends in Biosorption Research

Chapter THREE

3.1 Research Methodology Overview
3.2 Selection of Experimental Parameters
3.3 Preparation of Corn Cob Powder
3.4 Setup and Calibration of Packed Bed Reactor
3.5 Experimental Design and Procedure
3.6 Data Collection and Analysis Methods
3.7 Quality Control Measures
3.8 Statistical Analysis Techniques

Chapter FOUR

4.1 Analysis of Biosorption Efficiency
4.2 Effects of Operating Conditions
4.3 Comparison with Other Biosorbents
4.4 Regeneration and Reusability Studies
4.5 Kinetic and Thermodynamic Analysis
4.6 Adsorption Isotherm Models
4.7 Mechanistic Insights from Experimental Data
4.8 Environmental Implications and Sustainability

Chapter FIVE

5.1 Summary of Findings
5.2 Discussion of Results
5.3 Implications for Future Research
5.4 Conclusions
5.5 Recommendations for Practical Applications
5.6 Contribution to Knowledge in the Field