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121.
Nguyen Thi Van Ha A. Prem Ananth C. Visvanathan V. Anbumozhi 《Journal of Cleaner Production》2009,17(14):1272-1280
Eco-industrial networking is considered as a new approach for businesses to improve their competitiveness, economic viability and human and ecosystem health. A cyclic material flow with alternative usage of all materials in the loop is an essential feature of an eco-industrial network. While eco-industrial networking has been primarily applied on the high-tech sector, this paper attempts to apply the principles on the fishery sector of An Giang, a Vietnamese province in the Mekong River Delta. An Giang Province has its own market share in the trade of Tra and Basa fish. The industries in the value chain of Tra and Basa are in a situation that forces them to improve their competitiveness to retain the market share. It was found that forming an eco-industrial network and recruiting new businesses to utilize all materials in the process provides additional revenue apart from reducing waste disposal concerns. This paper details the current market situation, the issues faced and material flow patterns and presents a feasible eco-industrial network. The results of the study indicate that the eco-industrial network creates positive impacts in terms of increased competitiveness, improved socio-economic conditions and cleaner environment. 相似文献
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Anh BT Kim DD Tua TV Kien NT Anh do T 《Journal of environmental biology / Academy of Environmental Biology, India》2011,32(2):257-262
This study was focused on determining Arsenic (As), Lead (Pb), Cadmium (Cd) and Zinc (Zn) in 33 indigenous plants and 12 soil in-situ plant samples in Thai Nguyen Province, Vietnam. The results showed that the soils of surveyed mining areas contained 181.2- 6754.3 mg kg(-1) As, 235.5-4337.2 mg kg(-1) Pb, 0.8- 419 mg kg(-1) Cd and 361.8-17565.1 mg kg(-1) Zn depending on the characteristics of each mining site. These values are much higher than those typical for normal soil. The heavy metal uptake into shoots and roots of 33 indigenous plant species was also determined. Two species of the plants investigated, Pteris vittata L. and Pityrogramma calomelanos L. were As hyperaccumulators, containing more than 0.1% heavy metals in their shoots. Eleusine indica L., Cynodon dactylon L., Cyperus rotundus L. and Equisetum ramosissimum (Vauch) accumulate very high Pb (0.15-0.65%) and Zn (0.22-1.56%) concentration in their roots. Additional experiments to clarify the potential of six these plants as good candidates for phytoremediation of heavy metal pollution soil are being carried out in our laboratory. 相似文献
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Van Tran Thuan Nguyen Duyen Thi Cam Nguyen Thuong Thi Pham Quynh Trang Vo Dai-Viet N. Nguyen Thanh-Danh Van Pham Thinh Nguyen Trinh Duy 《Environmental science and pollution research international》2021,28(45):63448-63463
Environmental Science and Pollution Research - The emergent occurrence of sulfonamide species involving sulfadiazine (SDZ) and sulfamethazine (SMZ) in aquatic systems can cause a wide range of... 相似文献
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Da Le Nhu Hoang Anh Quoc Hoang Thi Thu Ha Nguyen Thi Anh Huong Duong Thi Thuy Pham Thi Mai Huong Nguyen Tien Dat Hoang Van Chung Phung Thi Xuan Binh Le Huu Tuyen Tran Cao Son Dang Thu Hien Vu Ngoc Tu Nguyen Trong Nghia Le Thi Phuong Quynh 《Environmental science and pollution research international》2021,28(9):10622-10632
Environmental Science and Pollution Research - Antibiotic residues and antimicrobial resistance in surface water are issues of global concern, especially in developing countries. In this study, the... 相似文献
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Huy Lai Nguyen Oanh Nguyen Thi Kim Phuc Nguyen Hong Nhung Chu Phuong 《Environmental science and pollution research international》2021,28(9):10678-10695
Environmental Science and Pollution Research - Local questionnaire surveys were conducted to collect representative activity data for calculation of annual emissions from residential combustion in... 相似文献
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Philip H Byer Chi Phuong Hoang Thi Thuc Thuy Nguyen Sangeeta Chopra Virginia Maclaren Murray Haight 《Waste management & research》2006,24(5):465-472
In Da Nang and Ha Long, Vietnam and in Vientiane, Laos, there was interest by local authorities in separating and composting waste in order to reduce environmental and health problems at the local landfills and to produce a soil conditioner for local agricultural use. To assist in the planning of composting projects, three studies were carried out to estimate waste quantities and composition. 1. A 9-day audit of waste from 45 vendors in a market in Vientiane, the capital of Laos. The total quantity of waste and the quantity in each of nine categories were estimated for each of six different types of vendors. 2. A 7-day audit of waste disposed by three hotels in the tourist area of Ha Long, Vietnam. Waste quantities were estimated in total, on a per guest basis, and in three main categories: compostables, recyclables and miscellaneous. 3. A 7-day audit of waste collected from 74 households in Da Nang, the fourth largest city in Vietnam. Waste from each household was separated into compostable and non-compostable waste. Over 60% of each waste source comprised compostable waste and this was considered significant enough to warrant further planning of composting operations. 相似文献