DESIGN OF MOLTEN SALT COOLER IN PROCESS PLANT FOR PRODUCTION OF 2-7 X 104 TONNES/YR OF PHTHALIC ANHYDRIDE BY DIRET

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ABSTRACT

The general approach to any design of a process plant involve an advanced network of Chemical Engineering processes. This equipment design project was carried out to design a molten salt cooler (heat exchanger) for production of 2.7 x 104 tonnes/year capacity of phthalic anhydride by direct synthesis of gaseous naphthalene.

The information concerning the design of this equipment was gotten from literature review which was then used to obtain the physical properties datas. The material and energy balance calculations were also performed and reviewed as shown in appendix A, B, C and D.

Appropriate sizing of the equipment (cooler) was also done using the physical properties data and proper instrumentation and control analysis was also done.

The cost evaluation of the cooler was also done to determine the present cost of the equipment. The cost of estimation was performed to ascertain the economic viability of the equipment.

At the end a good proper design work was achieved.

TABLE OF CONTENT

Cover Page

Title Page

Letter of Transmittal

Approval Page

Dedication

Acknowledgement

Abstract

CHAPTER ONE

1.0Introduction

1.1Background of Study

1.2Aim and Objective of Study

1.3Scope of Project

1.4Statement of Problem

CHAPTER TWO

2.0Literature Review

2.1Phthalic anhydride Processing

2.1.1 Phthalic anhydride and our environment

2.1.2 Phthalic Anhydride Uses

2.1.3 Physical and Chemical Properties

2.2Molten Salt

2.2.1 Types of Molten Salt

2.2.3 Thermophysical Properties of Molten Salt

2.2.4 Heat Transfer in Molten Salt

2.2.5 Corrosion Chemistry and Material for Molten Salts

2.3 Basic Design Procedure and Theory

2.3.1 Step of Design Molten Salt Cooler

MATERIALS FOR CHAPTERS 1&2 ONLY AVAILABLE!!

CHAPTER THREE

3.1Material Balance Results

3.1.2Aim and Objective of Material Balance

3.1.3Material Balance Summary Tables

CHAPTER FOUR

4.1 Energy Balance

4.1.1 Introduction of Energy Balance

4.1.2 Conservation of Energy

4.1.3 Energy Balance Summary Tables

CHAPTER FIVE

5.1Design of Molten Salt Cooler

5.1.1Summary of Result for Molten Salt Cooler

CHAPTER SIX

6.1Introduction of Cost Estimation

6.2Capital Investment

6.2.1Fixed and Working Capital

6.3Direct Production Cost

6.3.1 Fixed Cost

6.3.2Variable Cost

6.4Indirect Production Cost (General Expenses)

6.5Cost Estimation of Molten Salt Cooler

CHAPTER SEVEN

7.1Safety Consideration, Instrumentation and Control

7.2Instrumentation and Control

7.2Typical Control Systems

ACKNOWLEDGEMENT

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DESIGN OF MOLTEN SALT COOLER IN PROCESS PLANT FOR PRODUCTION OF 2-7 X 104 TONNES/YR OF PHTHALIC ANHYDRIDE BY DIRET

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