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

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

1.0 Introduction

1.1 Background of Study

1.2 Aim and Objective of Study

1.3 Scope of Project

1.4 Statement of Problem

CHAPTER TWO

2.0 Literature Review

2.1 Phthalic anhydride Processing

2.1.1 Phthalic anhydride and our environment

2.1.2 Phthalic Anhydride Uses

2.1.3 Physical and Chemical Properties

2.2 Molten 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

3.1 Material Balance Results

3.1.2 Aim and Objective of Material Balance

3.1.3 Material 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

5.1 Design of Molten Salt Cooler

5.1.1 Summary of Result for Molten Salt Cooler

CHAPTER SIX

6.1 Introduction of Cost Estimation

6.2 Capital Investment

6.2.1 Fixed and Working Capital

6.3 Direct Production Cost

6.3.1 Fixed Cost

6.3.2 Variable Cost

6.4 Indirect Production Cost (General Expenses)

6.5 Cost Estimation of Molten Salt Cooler

CHAPTER SEVEN

7.1 Safety Consideration, Instrumentation and Control

7.2 Instrumentation and Control

7.2 Typical Control Systems

ACKNOWLEDGEMENT

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APA

YWH9nGq5c0006a088b224.87258818, C. (2018). DESIGN OF MOLTEN SALT COOLER IN PROCESS PLANT FOR PRODUCTION OF 2-7 X 104 TONNES/YR OF PHTHALIC ANHYDRIDE BY DIRET. Afribary. Retrieved from https://beta.afribary.com/works/design-of-molten-salt-cooler-in-process-plant-for-production-of-2-7-x-104-tonnes-yr-of-phthalic-anhydride-by-diret-20

MLA 8th

YWH9nGq5c0006a088b224.87258818, CXRbMXY5c0006a08804a6.07849201 "DESIGN OF MOLTEN SALT COOLER IN PROCESS PLANT FOR PRODUCTION OF 2-7 X 104 TONNES/YR OF PHTHALIC ANHYDRIDE BY DIRET" Afribary. Afribary, 29 Jan. 2018, https://beta.afribary.com/works/design-of-molten-salt-cooler-in-process-plant-for-production-of-2-7-x-104-tonnes-yr-of-phthalic-anhydride-by-diret-20. Accessed 24 Apr. 2025.

MLA7

YWH9nGq5c0006a088b224.87258818, CXRbMXY5c0006a08804a6.07849201 . "DESIGN OF MOLTEN SALT COOLER IN PROCESS PLANT FOR PRODUCTION OF 2-7 X 104 TONNES/YR OF PHTHALIC ANHYDRIDE BY DIRET". Afribary, Afribary, 29 Jan. 2018. Web. 24 Apr. 2025. < https://beta.afribary.com/works/design-of-molten-salt-cooler-in-process-plant-for-production-of-2-7-x-104-tonnes-yr-of-phthalic-anhydride-by-diret-20 >.

Chicago

YWH9nGq5c0006a088b224.87258818, CXRbMXY5c0006a08804a6.07849201 . "DESIGN OF MOLTEN SALT COOLER IN PROCESS PLANT FOR PRODUCTION OF 2-7 X 104 TONNES/YR OF PHTHALIC ANHYDRIDE BY DIRET" Afribary (2018). Accessed April 24, 2025. https://beta.afribary.com/works/design-of-molten-salt-cooler-in-process-plant-for-production-of-2-7-x-104-tonnes-yr-of-phthalic-anhydride-by-diret-20

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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