• Full name: Le Tho Bach
• Academic title/degree: Associate Professor, Doctor of Philosophy
• Department : Environmental Engineering
• Position: Senior Lecturer; Deputy Director of the Institute of Environmental Science and Engineering; Member of the Scientific Council of the Faculty of Environmental Engineering
• Email: bachlt@huce.edu.vn

Training process

• PhD: from 2001 to 2004, Kumamoto University, Japan.
• Master's degree: from 1999 to 2001, Kumamoto University, Japan.
• University: from 1987 to 1992, Odessa University of Civil Engineering, Soviet Union

Teaching the following subjects:

Research field

• Waste treatment and recycling technologies are oriented towards a circular economy and sustainable development.
• Optimizing the operational management of solid waste and wastewater treatment facilities;
• Developing low-cost technologies for solid waste and wastewater treatment.

Scientific publications:

The following science and technology projects and tasks have been led and completed:

• Compilation of the document "Modeling of Wastewater Treatment Technologies" for use in universities training in Environmental Engineering, Code: B2016-XDA-07-MT, Ministry of Education and Training 2016;
• Research on the design and fabrication of a small-scale domestic wastewater treatment device using a rotating biological drum for application in apartment buildings, public service facilities, and industrial enterprises. Project Code: B2014 – 03 – 14, Ministry of Education and Training 2016;
• Research on the development of environmentally friendly technologies for waste treatment using landfill methods applied on a small scale suitable for Vietnamese conditions, Project Code: KC.08.27/11-15, State-level Science and Technology Project 2016;
• Research on technology for immobilizing anaerobic bacteria into granular form using polyvinyl alcohol (PVA) for application in industrial food wastewater treatment, Project Code: B2012 – 03 – 04, Ministry of Education and Training 2015;
• Research on improving practical methods and compiling supplementary guidance documents for the liquid waste treatment project, Code Number: 97-2011/KHXD-TĐ, Key Science and Technology Project at the University level 2012;
• Completing a document on low-cost wastewater treatment and sanitation, organizing training sessions for university and postgraduate lecturers at universities with environmental training programs on how to use the above document. Project Code: B.2008-03-43MT. Ministry of Education and Training-level Science and Technology Task 2009;
• Research on models and proposed feasible methods for biological treatment of ammonium nitrogen in Hanoi groundwater, Project Code: B2006-03-05, Ministry of Education and Training 2008;
• Proposed solutions for treating wastewater pollution at Hoang Van Thu Paper Mill, Thai Nguyen, Ministry of Natural Resources and Environment-level science and technology project 2007;
• Pilot project to develop a pollution treatment model for public utility facilities listed in Decision 64 (Installation of equipment, operation and technology transfer of wastewater treatment plant at Bac Ninh General Hospital), Ministry of Natural Resources and Environment-level science and technology task 2007;
• Research on the treatment of ammonium nitrogen in contaminated groundwater at Phap Van, Hanoi, Project Code: 22-2005/KHXD, University-level Science and Technology Project 2005;
• Developing a feasibility project for pollution control in public areas - proposing wastewater treatment solutions, Project Code: I.1.4 595/QD-BTNMT, Ministry of Natural Resources and Environment-level Science and Technology Task 2004;

International cooperation projects and tasks that have been chaired and completed:

• Vietnam – National-Level Implementation of Technical Solid Waste Management Advisory Support, World Bank's Project, 2023-2024.
• Research on filter materials for cleaning polluted urban lake water, International Cooperation Project, JICA-Wesco, Japan, 2023
• Vietnam Solid Waste Management Project (VnSWM) - Improved Municipal Solid Waste Practices to Reduce Short-lived Climate Pollutants in Vietnam, International Cooperation Project, Federation of Canadian Municipalities, 2021 -2022.
• Domestic Solid Waste and Hazardous Waste Management Sector Development Note, International Cooperation Project, Wold Bank – Cowi AS, 2017;
• Developing a postgraduate training program and curriculum on low-cost wastewater treatment. VN/Asia-Link/12 (113128), AsiaLink International Cooperation Project, Belgium, Denmark, China, 2008;
• Research on techniques to improve the quality of drinking water, International Cooperation Project, Ministry of Education - Taiwan, 2006;
• Research on biological treatment of ammonium nitrogen in Hanoi groundwater using biological methods, International Cooperation Project, JSPS-Japan, 2006;
• Project Study Preparation on the proposed Demonstration Project Waste water treatment system in Hoang Van Thu paper mill (TN_02), Thai Nguyen Province, DANIDA project, 2005.

Monographs or reference books :

• D.Xanthoulis, Le Tho Bach, Wang Chengduan, Hans Brix (2009). Low-Cost Wastewater Treatment Textbook. Construction Publishing House;
• Nguyen Thi Kim Thai, Le Thi Hien Thao, Tran Duc Ha, Thai Minh Son, Le Tho Bach, Le Ngoc Tuong, Vu Viet Ha (2012), Monograph on Environmental Quality Monitoring and Analysis Procedures , Construction Publishing House.

Published scientific and technological articles:

• Pham Van Dinh, Le Tho Bach, Tran Thanh Liem, Do Van Manh, A critical review on factors affecting the two-stage anaerobic digestion of biodegradable solid waste, Vietnam Journal of Science and Technology, 2025, 63(2) 226-248;
• Pham Van Dinh, Tran Cong Khanh, Le Tho Bach, Survey of the influence of organic load on the two-phase anaerobic decomposition process of organic municipal solid waste, Journal of Science and Technology in Construction (TCKHCNXD)-Hanoi University of Construction, 2024,18(1V) 174-182;
• Ung Thi Thuy Ha, Le Tho Bach, Tran Thi Hien Hoa, Pham Tuan Hung, Duong Cong Hung, Nghiem Duc Long, Nguyen Ngoc Luong, Hoang Ngoc Bich. Combining flowform cascade with constructed wetland to enhance domestic wastewater treatment, Environmental Technology & Innovation Volume 27, August 2022, 102537.
• Ung Thi Thuy Ha, Le Tho Bach, Pham Tuan Hung, Assessment of the current state of pollution and proposed solutions to improve the water quality of urban lakes in Hanoi, Journal of Science and Technology in Construction (KHCNXD)-Hanoi University of Construction, 2021, 15 (4V), 87-97;
• Dinh Pham Van, Takeshi Fujiwara1, Bach Leu Tho, Pham Phu Song Toan, and Giang Hoang Minh (2019), A review of anaerobic digestion systems for biodegradable waste: Configurations, operating parameters, and current trends, Environmental Engineering Research, Vol. 25.1 pp.1-17;
• Le Tho Bach, Ung Thi Thuy Ha (2019), Treatment of domestic wastewater by submerged biological rotating drum technology, VIETNAM CONSTRUCTION JOURNAL, No. 01, 2019, pp. 88-92;
• Leu Tho Bach, Le Hanh Chi, Ung Thi Thuy Ha Environmental Friendly Technology & Solution for Municipal Waste Treatment in Small Scale and Compatibility with Vietnamese Condition, Proceeding of International Workshop on “Environmental & Architectural Design for Sustainable Development”, May 2017. ISBN: 978-604-82-2169-0, Construction Publishing House, pp. 11-20;
• Ung Thi Thuy Ha, Leu Tho Bach, An overview of studies on application of flowform for wastewater treatment, Proceeding of International Workshop on “Environmental & Architectural Design for Sustainable Development”, May 2017. ISBN: 978-604-82-2169-0, Construction Publishing House, pp. 44-52;
• PHAM TH Duc, JL VASEL, LE V. Cat, LEU T. Bach, Comparison the efficiency of nitrification rate in MBBR and FBR, Proceeding of International Workshop on “Environmental & Architectural Design for Sustainable Development”, May 2017. ISBN: 978-604-82-2169-0, Construction Publishing House, pp. 44-52;
• Le Tho Bach, Ung Thi Thuy Ha (2016), Research on the application of flow shaping models combined with planted filter beds to treat and reduce water pollution in lakes at urban waste landfill areas, Science and Technology of Construction - No. 27, page;
• David Christensen, Leu Tho Bach (2015), A Danish–Vietnamese partnership for business and technology development in solid waste management, Resources, Conservation and Recycling, Vol.105, pp. 123–133, 2015.ELSEVIER;
• Yuta Watanabe, Leu Tho Bach, Pham Van Dinh, Maricar Prudente, Socorro Aguja, Nyunt Phay, Haruhiko Nakata (2015), Ubiquitous Detection of Artificial Sweeteners and Iodinated X-ray Contrast Media in Aquatic Environmental and Wastewater Treatment Plant Samples from Vietnam, The Philippines, and Myanmar, Archives of Environmental Contamination and Toxicology, 69(2), 1-11. SPRINGER;
• Pham Van Dinh, Leu Tho Bach, (2015), Immobilized bacteria by using PVA (Polyvinyl alcohol) crosslinked with sodium sulphate”, International Journal of Science and Engineering, Vol.7, P.41-47;
• Le Tho Bach, Pham Van Dinh, Nguyen Hoang Hiep, (2014), Immobilization of anaerobic bacteria into granular form using Polyvinyl Alcohol for wastewater treatment, Science and Technology, Construction - No. 20, pp. 25-33;
• Le Tho Bach, Hoang Minh Giang, Le Hanh Chi, (2013), New approach in the thorough treatment of environmental pollution from existing urban landfills in Vietnam, National Science and Technology Report Collection 2013, ISBN: 978-604-59-0693-4;
• Le Tho Bach, Le Hanh Chi, (2013), New approach in thoroughly treating environmental pollution from existing urban landfills in Vietnam, potential application in highland areas such as Da Lat and Lam Dong, Proceedings of the Conference on Science and Technology of Universities in the Engineering field, Da Lat;
• Leu Tho Bach (2010), Groundwater quality in Hanoi area of Vietnam, Proceedings of 1st International Symposium on Groundwater Environment, Kumamoto University, Japan;
• Leu Tho Bach (2010), Impacts of climate change and sea level rise on agricultural production in the Mekong river delta, Vietnam, First International Workshop on Environment, Energy and Innovative Technology in Minamata;
• D. Xanthiolis, Leu Tho Bach, Hans Brix, Wang Chendual (2009), Low-cost wastewater treatment, Construction Publishing House;
• Le Cong Nhat Phuong, Ngo Ke Suong, Nguyen Tien Thang, Le Tho Bach, Tran Hieu Nhue, Kenji Furukawa, Pham Khac Lieu, Takao Fuji, (2009), Enrichment and identification of anammox bacteria group from sludge of pig farm wastewater treatment system, Journal of Construction Science and Technology, University of Construction, No. 4, pp. 85-91;
• Le Tho Bach (2009), Solutions for removing ammonium nitrogen from groundwater in the southern area of Hanoi, Journal of Environment, General Department of Environment, Ministry of Natural Resources and Environment, No. 1, pp. 32-34;
• Le Tho Bach, Tran Duc Ha, Tran Hieu Nhue, Kenji Furukawa (2007), Research on biological treatment of ammonium nitrogen in contaminated groundwater in the Phap Van area, Vietnam Journal of Water Supply and Drainage, Vol. 9, No. 57, pp. 29-33;
• Le Tho Bach, Nguyen Trong Cuu (2007), Investment support for environmental pollution treatment at Bac Ninh General Hospital, Journal of Environmental Protection, Ministry of Natural Resources and Environment, No. 98, pp. 32-34;
• Le Tho Bach, (2007), Research on treating industrial wastewater from Duong using an anaerobic sludge reverse flow biological treatment tank model (UASB), Journal of Construction Science and Technology, University of Construction, No. 2, pp. 90-96, 2007;
• Le Tho Bach, Tran Hieu Nhue, (2005), Research on biological treatment of ammonium nitrogen in Hanoi groundwater, National Workshop “Sustainable development of green cities in river basins”, Environmental Protection Agency, Subcommittee 2, pp. 1-7, Ho Chi Minh City, May 2005;
• Uncle Ho's Tent h, (2005), Anaerobic biological treatment of industrial wastewater from sugar production using UASB method, Collection of scientific reports from the National Environmental Conference, Ministry of Natural Resources and Environment, pp. 912-918, 2005;
• Le Tho Bach, Tran Hieu Nhue, (2005), Application of acrylic synthetic fiber material as sludge retainer for biological treatment of ammonium nitrogen in Hanoi groundwater, Construction Journal, Ministry of Construction, No. 12, pp. 39-42, 2005;
• Youhei Adachi, Hajime Watanuki, Shigehiro Takemoto, Hideo Nabeta, Kenji Furukawa, (2004), Research on the application of small-bubble aeration devices in improving lake water quality, Journal of Water and Liquid Waste Treatment, Vol. 45, No. 7, pp. 3-10, 2004. (In Japanese);
• Tent Tho Bach, Runae Ueki, and Kenji Furukawa (2004) Simultaneous treatment of sugar and dye industriay wastewaters using a combination of UASB and photosynthetic processes, Japanese Journal of water treatment biology, Vol. 40, No. 3, pp. 77-87, 2004;
• Tent Tho Bach, Jyun Fukuda, Xie Qinglin, and Kenji Furukawa (2003), Combined treatment of sugar and dye industrial wastewater using an UASB process, Japanese Journal of water treatment biology, Vol. 39, No. 3, pp. 145-152, 2003;
• Tent Tho Bach, Zafar Iqbal Bhatti, and Kenji Furukawa (2002) Anaerobic treatment of sugary wastewater by the UASB process, Japanese Journal of water treatment biology, Vol. 38, No. 1, pp. 11-20, 2002.