Assessing the current state of water pollution in traditional bamboo weaving village in yen tien commune, y yen district, nam dinh province

THAI NGUYEN UNIVERSITY UNIVERSITY OF AGRICULTURAL AND FORESTRY PHAM NGOC KIEN TOPIC TITLE: Assessing the current state of water pollution in traditional bambooweaving village in Yen Tien commune, Y Yen district, Nam Dinh province BACHELOR THESIS Study Mode: Full-time Major: Environmental Science and Management Faculty: International Training and Development Center Batch: 2011 - 2015 Thai Nguyen 30/09/2015 CERTIFICATION This is to certify that the thesis entitle: “Assessing the current state of water pollution in traditional bamboo-weaving village in Yen Tien commune, Y Yen district, Nam Dinh province” submitted by Pham Ngoc Kien towards the fulfillment of the undergraduate degree of Environmental Science and Management is based on his original research and study under the supervision of Dr Nguyen Thanh Hai The thesis in part or full is the property of the Advanced Education Program of the Thai Nguyen University of Agriculture and Forestry and thereof not be used by any other public or private institution without prior consent Signed by: i Thai Nguyen University of Agriculture and Forestry Degree Program Bachelor of Environmental Science and Management Student name Pham Ngoc Kien Student ID DTN 1153080017 Assessing the current state of water pollution in traditional Thesis title bamboo-weaving village in Yen Tien commune, Y Yen district, Nam Dinh province Supervisor Dr Nguyen Thanh Hai Abstract: The purpose of this study is to assess the current state of waste management in the traditional Yen Tien Bamboo-weaving village area in order to offer appropriate solutions improving management efficiency This study analyzes the issues related to wasteưater in product at Yen Tien Yen Tien commune is the local there are traditional villages The status of waste management in here still exist many shortcomings, The status of waste management in here still exist many shortcomings, difficult in management systems, lack of synchronous investment In addition, environmental protection sense of people is not good Therefore, to the management of waste in Yen tien commune effectively, we have to offer appropriate solutions to overcome these shortcomings Keywords Product waste, wastewater, treatment, collected, transported Number of pages: Date of submission: September 30th, 2015 ii ACKNOWLEDGEMENT I would like to express my gratitude to my supervisor Dr Nguyen Thanh Hai for her invaluable useful comments, remarks, encouragement and engagement through the learning process of this graduated thesis I sincerely thank the lecturers who enthusiastically imparted useful knowledge on water treatment during the University program to all class attendants I also thank the support of Thai Nguyen University of Agriculture and Forestry, the coordinators and program managers for their support and assistance Furthermore, I sincerely thanks to officers in Y Yen Environmental protection Agency during the implementing the research topic at Yen Tien commune Also, I like to thank the participants in my survey, who have willingly shared their precious time during the process of interviewing in Yen Tien commune Finally, I would like to express our gratitude to the family, relatives and friends who have helped me during the internship Thank you all very much! Pham Ngoc Kien iii TABLE OF CONTENT CERTIFICATION i ACKNOWLEDGEMENT iii TABLE OF CONTENT iv LIST OF FIGURES vii LIST OF TABLES viii LIST OF ABBREVIATIONS ix PART I INTRODUCTION 1.1 Research rationale 1.2 Research’s objectives 1.3 Research questions and hypotheses PART II: LITERATURE REVIEW 2.1 Scientific foundations 2.1.1 The basic definitions 2.1.2 Waste, wastewater classification 2.1.3 Features of wastes in village’s production 2.1.4 The generation sources wastes production 2.1.5 The impact of waste water to environmental and human health 2.2 Legal basis 2.3 Situation of wastewater pollution in traditional craft villages in Vietnam 2.4 Situation of wastewater pollution in the traditional villages in Nam Dinh 10 2.5 Environment current status in Yen Tien trade village 11 PART III: METHODS 14 iv 3.1 The objects of research 14 3.2 Location and research time 14 3.3 Research Methodology 14 3.3.1 The secondary method collection 14 3.3.2 Research methodology theory .14 3.3.3 Survey methodology reality 14 3.3.4 Practice methods 15 3.3.5 Questionnaire and Interview methods 20 3.3.6 Statistical methods for data processing 21 PART IV: RESULTS 22 4.1 The current status of waste source in Yen Tien Bamboo-weaving village 22 4.1.1 Origins arise of the waste in producing rattan and bamboo Yen Tien Commune 22 4.1.2 The composition of wastes from producing rattan and bamboo in Yen Tien Commune 22 4.1.3 The waste treatment in Yen Tien commune 23 4.1.4 Advantages and disadvantages in working waste treatment in the locality of Yen Tien trade villages 24 4.2 Sampling Results Waste water produced 25 4.2.1 Waste water produced 25 4.2.2 Wastewater 29 4.2.3 Result of Questionnaire and Interview methods 32 4.3 Propose solutions for managing and handling wastes in Yen Tien craft villages 33 v 4.3.1 Raising awareness about productive waste management and encourage community participation in the management productive waste management 33 4.3.2 The disposal solutions for waste and waste water to improve and minimize environmental pollution .33 4.3.3 The treatment method for water and wastewater 35 PART V: CONCLUSIONS AND DISCUSSION .38 5.1 Conclusion .38 5.2 Dicusstion .38 REFERENCES 40 vi LIST OF FIGURES Figure 1- Sources of waste generation in manufacturing rattan Figure 1- The change in concentration of the substances in the wastewater produced in years 27 Figure 2- The change in concentration of the substances in the wastewater produced in years .28 Figure 3- The change in concentration of the substances in the wastewater produced in years 28 Figure 4- The change in concentration of the substances in the wastewater in years 31 Figure 5- The change in concentration of the substances in the wastewater in years 31 Figure 6- The change in concentration of the substances in the wastewater in years 32 Figure 7- The biological treatment of wastewater 36 Figure 8- Wastewater treatment by technology system using activated sludge 37 vii LIST OF TABLES Table 3.1 Sampling method follow TCVN 15 Table 3.2 Analysis methods 15 Table 4.1 Composition of waste in Yen Tien villages rattan 23 Table 4.2 The analytical results of wastewater produced of Yen Tien in 2013 25 Table 4.3 The analytical results of wastewater produced of Yen Tien in 2014 26 Table 4.4 The analytical results of wastewater produced of Yen Tien in 2015 26 Table 4.5 The analytical results of wastewater of Yen Tien in 2013 29 Table 4.6 The analytical results of wastewater of Yen Tien in 2014 30 Table 4.7 The analytical results of wastewater of Yen Tien in 2015 30 viii LIST OF ABBREVIATIONS BVMT : Protect the Environment CTSX : Product wastes ĐKTN : Natural conditions KT- XH : Economy - society UBND : Committee of the People NTSH : Wastewater NTSX : Wastewater produced TCVN : Standard of Vietnam VSMT : Sanitation QCVN : Regulation of Vietnam QLMT : Environmental Management ix 10 9.37 9.34 9.1 6.37 pH NH3 3.74 1.55 2013 2014 2015 Figure 4.2 The change in concentration of the substances in the wastewater produced in years Coliforms 4.5 3.5 2.5 4.3 3.5 1.5 2.5 0.5 2013 2014 2015 Figure 4.3 The change in concentration of the substances in the wastewater produced in years 28 Comment: In the third graph shows the change of the substance in wastewater produced in years from 2013 to 2015, we found that the levels of both annual and increases with the concentration of substances in the wastewater produced higher than QCVN and TCVN The change of NH3 in waste water production is the most significant changes Specifically, in 2014 increased by 1.31 times compared to 2013 The 2015 increase of 4.11 times compared to 2013 and increased by 3.14 times compared to 2014 The change in the pH of water is the lowest specific emissions in 2014 increased by 1,026 lanso pH with 2013, in 2015 the pH increased 1,029 times higher than in 2013 and increased by 1,003 times compared with 2014 4.2.2 Wastewater Below are the results of analysis of domestic wastewater in Yen Tien villages producing rattan from 2013 to 2015 Table 5- The analytical results of wastewater of Yen Tien in 2013 No Criteria's name pH BOD5 TSS As Grease PO43COD Coliforms Unit Results NTSX- 2013 QCVN 40:2011/BTNMT (A)  mg/l mg/l mg/l mg/l mg/l mg/l Bacteria /100ml 7,36 5- 47,5 61