The Actual State Of Wastewater Generated From Vermicelli Production At Phu Do Traditional Vermicelli Village Nam Tu Liem District Hanoi City

MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT

VIETNAM NATIONAL UNIVERSITY OF FORESTRY

STUDENT THESIS PROPOSAL

Title

“ The actual state of wastewater generated from

vermicelli production at Phu Do traditional

vermicelli village, Nam Tu Liem district,

Hanoi city ”

Major: Natural Resources Management

Code: D850101

Faculty: Forest Resources and Environmental Management

Student: Nguyen Cam Van Student ID: 1253090038

Class: K57 Natural Resources Management Course: 2012 – 2016

Advanced Education Program

Developed in collaboration with Colorado State University, USA

Supervisor: Msc. Nguyen Thi Bich Hao

Ha Noi, November/2016

ACKNOWLEDGE

Successful completion of any type of project requires helps from a number of persons.

I have also taken helps from different people for the preparation of this report. Now,

there is a little effort to show my deep gratitude to that helpful person.

I convey my sincere gratitude to my Academic Supervisor Msc. Nguyen Thi Bich

Hao, Msc of Environmental Engineering of Department of Environmental

Management, Vietnam National University of Forestry. Without her kind direction and

proper guidance this study would have been a little success. In every phase of the

project her supervision and guidance shaped this report to be completed perfectly.

I would also like to express my excessive thanks to Msc. Nguyen Thanh Thao, Deputy

Head of Department of Environmental Toxins Analysis, the Institute of Environmental

Technology for her excellent support and proper guidance in helping me did all

analysis wastewater samples in the laboratory and completing my internship report.

Finally, I want to express my deep gratefulness to villagers in Phu Do village and the

local authority of Phu Do Ward. With their enthusiasm help during wastewater

sampling and interviews processes, I had the opportunity to improve my knowledge

and experience about vermicelli production in Phu Do village. From that, all of these

data and information help me to complete this report.

Hanoi, September 26th, 2016

Student

Nguyen Cam Van

ABSTRACT

This study evaluates the situation of wastewater generated from vermicelli production

of Phu Do traditional vermicelli village, Nam Tu Liem District, Hanoi city. The paper

document study all steps of vermicelli production process; from that considering some

steps which discharged wastewater directly into the environment without any

treatment at different households. All of these indicators such as pH, DO, TSS, BOD5,

COD, N_NH4

+

, PO4

3- that were analyzed from wastewater samples at Phu Do village

pointed out that the current state of wastewater in Phu Do village is seriously alarming.

The main reason is the consciousness of local people in the work of wastewater

treatment is still low. Moreover, the only wastewater treatment system of village has

been broken for many years and there are no signs of being repaired so far. If this

situation is prolonged, it would adversely affect the health and living standard of Phu

Do villagers as well as the bad impacts of water/ wastewater pollution to the

surrounding areas.

CONTENTS

1. INTRODUCTION ................................................................................................. 1

2. STUDY GOALS AND SPECIFIC OBJECTIVES............................................... 3

2.1. Goals ................................................................................................................. 3

2.2. Specific Objectives ............................................................................................ 3

3. STUDY METHODS............................................................................................... 5

3.1. Study area .......................................................................................................... 5

3.2. Interview method ............................................................................................... 6

3.2.1. Questionnaire design ................................................................................... 6

3.2.2. Questionnaire testing ................................................................................... 7

3.2.3. Survey technique ......................................................................................... 7

3.2.4. Survey time ................................................................................................. 7

3.3. Research methods in the field ............................................................................ 7

3.3.1. Investigating the study area ......................................................................... 7

3.3.2. Sampling method ......................................................................................... 8

3.4. Analyzing method in laboratory ....................................................................... 14

3.4.1. Temperature .............................................................................................. 15

3.4.2. pH ............................................................................................................. 16

3.4.3. DO (Dissolved Oxygen) ............................................................................ 16

3.4.4. TSS (Total Suspended Solid) ..................................................................... 17

3.4.5. BOD5 (Biochemical Oxygen Demand) ...................................................... 18

3.4.6. COD (Chemical Oxygen Demand) ............................................................ 18

3.4.7. N-NH4

+ (Ammonium compound) .............................................................. 18

3.4.8. PO4

3- (Phosphate compound) ..................................................................... 19

3.5. Calculation method .......................................................................................... 20

4. RESULTS............................................................................................................. 21

4.1. Current state of vermicelli production in Phu Do village .................................. 21

4.1.1. Current state of socio-economic and vermicelli production in Phu Do village

............................................................................................................................ 21

4.1.2. Traditional processes of making vermicelli at Phu Do village.................... 22

a) Inputs and outputs of vermicelli production at Phu Do village..................... 22

b) Technology and processes of making vermicelli at Phu Do village .............. 23

4.2. Properties of wastewater generated from vermicelli production at Phu Do

traditional vermicelli village ................................................................................... 25

4.2.1. The current status of wastewater from vermicelli production process in Phu

Do village ........................................................................................................... 26

a) Main sources and total discharged volume of wastewater from the vermicelli

production process........................................................................................... 26

b) Impact of Phu Do vermicelli wastewater to society ...................................... 28

4.2.2. Results of analyzing water samples ........................................................... 29

a) Temperature ................................................................................................ 30

b) pH ............................................................................................................... 31

c) TSS (Total Suspended Solid) ........................................................................ 32

d) BOD5 (Biochemical Oxygen Demand) ......................................................... 33

e) COD (Chemical Oxygen Demand)............................................................... 34

f) N-NH4

+

(Ammonium compound)................................................................... 35

g) PO4

3- (Phosphate compound)....................................................................... 36

4.2.3. Current environmental management and wastewater treatment activities at

Phu Do vermicelli village .................................................................................... 37

a) Environmental management in Phu Do vermicelli village............................ 37

b) Wastewater treatment technology in Phu Do vermicelli village ................... 38

4.2.4. Proposing possible solution for the current state of Phu Do vermicelli

village ................................................................................................................. 40

5. DISCUSSION AND CONCLUSION .................................................................. 41

5.1. Discussion and conclusion ............................................................................... 42

5.1.1. Discussion ................................................................................................. 42

5.1.2. Conclusion ................................................................................................ 44

5.2. Limitations and recommendations ................................................................... 45

5.2.1. Limitations ................................................................................................ 45

5.2.2. Recommendations ..................................................................................... 45

REFERENCES ........................................................................................................ 46

LIST OF ACRONYMS

BOD Biochemical Oxygen Demand

BTNMT

Ministry of Natural Resources and Environment of the

Socialist Republic of Vietnam

COD Chemical Oxygen Demand

DO Dissolved Oxygen

EIAs Environmental Impact Assessments

ISO International Organization for Standardization

MONRE Ministry of Natural Resources and Environment

NH4 Ammonium compound

N Nitrogen

PO4 Phosphate compound

P Phosphorus

QCVN The basic regulation of Vietnam Government

TCVN The standard of Vietnam Government

TSS Total Suspended Solids

VEPF Vietnam Environmental Protection Fund