INTRODUCTION 1.1 BACKGROUND LITERATURE REVIEW 2.1 SCREENING CONCEPT DESIGN AND ANALYSIS 4.1 INTRODUCTION RESULT AND DISCUSSION

TABLE OF CONTENTS CHAPTER CONTENT PAGES DECLARATION DEDICATION ii iii ACKNOWLEDGEMENT iv ABSTRACT v ABSTRAK vi TABLE OF CONTENTS vii LIST OF TABLES ix LIST OF FIGURES x LIST OF APPENDICES xii LIST OF ABBREVIATION AND SYMBOLS xiii

CHAPTER 1 INTRODUCTION 1.1 BACKGROUND

1 1.2 OBJECTIVE 3 1.3 SCOPE 3 1.4 PROBLEM STATEMENT 3 1.5 IDEA CONCEPT DESIGN 4 1.6 REPORT OUTLINE 5 1.7 RESEARCH METHOFOLOGY 6

CHAPTER 2 LITERATURE REVIEW 2.1 SCREENING

7 2.1.1 Classification of Screens 8 2.1.2 Screening Characteristics and Quantities 9 2.1.3 Screening Retained on Coarse Screens 9 2.1.4 Screening Retained on Fine Screens 10 2.2 COARSE SCREENSBAR RACKS 11 2.2.1 Manually Cleaned Coarse Screens 11 2.2.2 Mechanically Cleaned Coarse Screens 12 2.2.3 Design of Coarse Screen Installations 15 2.3 FINE SCREENS 16 2.4 MICROSCREENS 16 2.5 PRIMARY SEDIMENTATION 17 2.5.1 Rectangular Tanks 18 2.5.2 Circular Tanks 19 2.6 BIOCHEMICAL OXYGEN DEMAND AND CHEMICAL OXYGEN DEMAND 19 2.6.1 Biochemical Oxygen Demand BOD 19 2.6.2 Chemical Oxygen Demand COD 20 CHAPTER CONTENT PAGES CHAPTER 3 METHODOLOGY 3.1 INTRODUCTION 22 3.2 PROJECT PLANNING 22 3.3 FLOW CHART 23 3.4 GANTT CHART 24 3.5 PROCESS FLOW EXPLANATIONS 25 3.5.1 Identify Problem Statement 25 3.5.2 Literature Review 25 3.5. 3 Idea Development 26 3.6 CONCEPT GENERATION 28 3.7 FLOAT BALL DESIGNED 28 3.8 QUALITY FUNCTION DEVELOPMENT 30 3.9 CES EDUPACK SELECTION 31 3.10 CONCEPT DESIGN SELECTION 38

CHAPTER 4 CONCEPT DESIGN AND ANALYSIS 4.1 INTRODUCTION

39 4.2 DRAWING 40 4.2.1 Sketch 40 4.2.2 Part by Part of The Design 41 4.3 DESIGN ANALYSIS 44 4.4 RESULT OF QUALITY FUNCTION DEVELOPMENTQFD 47 4.5 CES EDUPACK ANALYSIS 48

CHAPTER 5 RESULT AND DISCUSSION

5.1 INTRODUCTION 49 5.2 SCREENING PROCESS 49 5.3 SEDIMENTATION PROSESS 50 5.4 FLOAT VALVE SELECTION 52 5.5 THE QUALITY OF WATER 54 5.6 DATA CALCULATION 54 5.6.1 Head Losses in Straight Pipe 54 5.7 ANSYS SOFTWARE 55

CHAPTER 6 CONCLUSION 6.1 CONCLUSION