Pollution Characteristics and Influencing Factors of water soluble inorganic ions pollution in PM2.5 in Jinhua city

目录

CHAPTER ONE:INTRODUCTION

1.1 Background

1.2 Research status or the subject

1.3 Definition(Overview) of the Key Terms and Concept

· Carbon part (particulate carbon)

· Primary organic carbon(POC)

·Sulphur dioxide SO2

·Ammonia NH3

1.4 Problem statement and Justification

1.5 Aims of the study

1.6 Research content

1.7 Significant of the study

CHAPTER TWO:LITERATURE REVIEW

2.1 Introduction

2.2 History of gaseous pollutant in particulate matter

2.2.1 Review of precursors of gaseous components in the atmosphere

2.3 Concentrations and distributions of water-soluble ions of NO32–, SO42–and NH4+

2.4 Pollution Characteristics of O3, NOx, SO2, and CO in seasons, months and annuals

2.5 Diurnal variations for O3, NO2, SO2 and CO

2.6 Gaseous pollutants

2.6.1 Estimation of Gaseous pollutant

2.6.2 Sources of gaseous components

2.6 Relationship between indoor and outdoor PM

CHAPTER THREE:MATERIALS AND METHODS

3.1 Sampling site

3.2 Sample collection

3.2.1 PM sampling equipment

3.3 Water soluble ion mass concentration

3.4 Sample analysis and quality control of gaseous pollutant

3.4.1 Gaseous pollutants analysis

3.5.1 Quality control of weighing process

3.5.2 Quality control of sampling process

3.5.3 Quality control of water-soluble ion analysis process

CHAPTER FOUR:DATA ANALYSIS

4.0 Pollution characteristics of gaseous components in PM2.5 and PM10 in Jinhua atmosphere

4.1 Annual average concentration of NO3–, SO42–and NH4+in PM2.5 and PM10

4.2 Seasonal average concentrations of NO3–, SO42–and NH4+in PM2.5 and PM10

4.3 Diurnal variations for O3, NO2, SO2 and CO

4.4 Correlation between particulate matter and gaseous air pollutants

4.5 Correlation analysis of SNA in PM2.5

4.6 Correlation between SNA and SO2, NO2 and O3 in PM2.5

4.7 Backward trajectory analysis

Results

CHAPTER FIVE:Conclusion

参考文献

Abbreviations

声明