water flow rating Articles
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Wastewater treatment design parameter analysis using the Nan-Men contact bed treatment facility in Northern Taiwan
Contact bed treatment is one of the methods used for constructed wetlands. Taiwan introduced contact bed treatment to treat sewage in 2004. The reference design parameters are based on data obtained from developed countries. These foreign designs ignore the unique hydrological environment and climate of Taiwan. This study tried to analyze the water quality of the contact bed treatment system and ...
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Baseflow contribution to nitrates in an urban stream in Daejeon, Korea
It is a well-known fact that baseflow discharge of rainfall runoff significantly impacts the quality of surface water. In this paper, the impact of nitrates discharged as baseflow on stream water quality were studied using PULSE, a hydrograph separation software developed by USGS, to calculate the monthly baseflow discharge. We took water quality and flow rate data from a monitoring station site ...
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Ozone dosage calculation for water treatment
Water treatment is a critical process that safeguards the safety and quality of our water supply. One of the most effective methods for water treatment is ozone treatment, known for its remarkable ability to disinfect and purify water efficiently. However, harnessing the full potential of ozone in water treatment requires precise ...
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Remote sensing and GIS application for river runoff and water quality modeling in a hilly forested watershed of Japan
The main objective of this study is to present a simplified distributed modeling framework based on the storage balance concept of a Tank Model and by utilizing inputs from remote sensing data and GIS analysis. The modeling process is simplified by (1) minimizing the number of parameters with unknown values and 2) retaining important characteristics (such as land cover, topography, geology) of ...
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Data Requirements for Ground Water, Surface Water, and Leachate
It is common for ground water to be contaminated with the water soluble substances found in overlying soils. Many of the required data elements are similar, e.g., pH, TOC, BOD, COD, oil and grease, contaminant identification and quantification, and soil and aquifer characterization. Additional water quality monitoring data elements include hardness, ammonia, total dissolved solids, and metals ...
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Toilet-to-Tap; A Growing Necessity
Reusing final effluent wastewater for applications such as irrigation of crops and even potable drinking water is now becoming a necessity for many water stressed locations around the world. atg UV Technology have invested in validating 9 multi lamp, ultra-high output low pressure amalgam UV Systems for water reuse. Using the NWRI Water Reuse validation protocols, the world’s first ...
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How does GWT Solve Problems of UF Water Purification to Optimize this Process?
In one of the previous articles on ultrafiltration, we had talked about some of the common problems associated with UF water purification. Some of these issues are avoidable and others can be mitigated with proper system management. Knowing how to deal with such problems is key to optimizing a membrane filtration process. When designing ultrafiltration systems, it is imperative to keep these ...
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Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures
Untitled Document Background The Regional Superfund Ground Water Forum is a group of ground-water scientists, representing EPA's Regional Superfund Offices, organized to exchange information related to ground-water remediation at Superfund sites. One of the major concerns of the Forum is the sampling of ground water to support site assessment and remedial performance ...
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