Constructed wetlands

The objective of this study was to establish a standard experimental model to determine the removal rate constants of wastewater pollutants in subsurface flow–constructed wetlands. This result shows the applicability of the proposed experimental model and procedure to determine the contaminant removal rate constants in constructed wetlands uniformly.

9p vibecca 01-10-2024 2 1   Download

Along with the development of the industry in Vietnam, the beery industry has contributed greatly to the state budget and creating jobs for labours. However, beer wastewater contains high organic matter, some wastewater discharged parameters such as BOD, COD, Nitrogen, Phosphorus, etc. usually exceed the permitted standards.

10p viyoko 01-10-2024 1 0   Download

Constructed wetland is a low cost, effective technology and it is still in the state of improvement to enhance the treatment efficiency, especially in nutrient and trace elements treatment. This study investigated the effect of aerobic and anoxic conditions in Horizontal Subsurface Flow Constructed Wetland (HSFCW) on nutrient, organic, metal and Octylphenol - OP (Endocrine disrupting chemical) treatment.

8p larachdumlanat127 02-01-2021 11 2   Download

Evaluate domestic wastewater removal of the models combining constructed wetlands with stabilisation ponds. Determining the decomposition coefficients of some typical pollutants in domestic wastewater of constructed wetlands and stabilisation ponds with the natural conditions of Cau river basin. Proposing the technology models combining constructed wetlands with stabilisation ponds to treat domestic wastewater from suburban residential areas of Cau River basin met the standard of Column A of QCVN 14:2008/BTNMT.

28p kequaidan7 01-09-2020 21 2   Download

Mặc dù tập trung khá nhiều bệnh viện trên địa bàn nhưng đến nay nhiều bệnh viện, trung tâm y tế tại TP. Hồ Chí Minh vẫn chưa có hệ thống xử lý nước thải y tế hoặc có thì lạc hậu và xuống cấp. Tình trạng nước thải y tế được thải trực tiếp ra môi trường ảnh hưởng đến sức khỏe cộng đồng vẫn đang là thực tế báo động...

28p dieulinh1912 19-11-2012 394 130   Download

Nghiên cứu tập trung vào việc thiết kế wetland nhân tạo để giải quyết vấn đề ô nhiễm tại các hồ đô thị (chủ yếu do phú dưỡng) đạt hiệu suất xử lý cao và thân thiện với môi trường. Hồ công viên 29/3 áp dụng mô hình này kết hợp với trồng cây chuối hoa (canna indica Bail) trong hồ hiếu khí để tăng hiệu quả xử lý và tạo cảnh quan cho hồ. ABSTRACT Research focuses on designing constructed wetland to resolve pollution issues...

6p meoden89nd 21-01-2011 257 51   Download

Constructed wetlands are known widely by their characteristic properties like utilization of natural processes, simple and easy of construction, operation and maintain as well. The constructed subsurface flow wetland is designed as a tank with an impervious boundary to prevent seepage and contain a suitable porous media in which emergent plants grow. The water remains below the surface of the gravel/stone/rock media. Soil in constructed subsurface flow wetland absorbs and stores organic matter several years.

6p quangdat 15-03-2009 279 31   Download