搜索结果: 1-8 共查到“水文学及水资源 Nitrogen”相关记录8条 . 查询时间(0.138 秒)
Long-Term Assessment of Nitrogen Pollution Load Potential for Groundwater by Mass Balance Analysis in the Tedori River Alluvial Fan Area, Japan
Water Balance Nitrogen Balance Groundwater Pollution Sewage Treatment Water Pollution from Farmland Nitrogen Pollution Load Potential
2013/3/18
To evaluate the nitrogen pollution load in an aquifer, a water and nitrogen balance analysis was conducted over a thirty-five year period at five yearly intervals. First, we established a two-horizon ...
Nitrogen Leaching from Saybrook Soil Amended with Biosolid and Polyacrylamide
Biosolid Polyacrylamide Ammonium Nitrate Nitrogen Leachate
2013/3/19
In this study, Nitrogen leaching following surface application of biosolid with and without polyacrylamide (PAM) coating was investigated using soil column experiments. Three treatments including bare...
Biological Removal of Nitrogen Compounds at a Coke-Oven Effluent Stream
Single Stage Activated Sludge Pilot Plant Nitrification Coke-Oven Plant Toxicity Risks Solids Retention Time
2013/3/19
The steel company SSAB in Oxelösund, Sweden operates a coke-oven plant and has since a long time operated an activated sludge plant for treatment of effluent water. Along with more stringent requ...
Reactive Stream Stabilization for Minimizing Transport of Phosphorus and Nitrogen from Agricultural Landscapes
Phosphorus Non-Point Source Pollutant Best Management Practice Aluminum
2013/3/20
A reactive stream stabilization (RS2) system based on aluminum as the adsorbent and garden mulch as the organic matter source was designed to minimize release of agricultural nonpoint source pollutant...
Influence of Carbon Source on Biological Nitrogen Removal by Immobilised Bacteria
Nitrogen Removal Nitrification and Denitrification Carbon Sources
2013/3/20
Acetate, ethanol, and hydrolysed rice were used as external carbon sources in an ammonium removal process employing immobilised bacteria. The influence of the carbon source on the occurrence of free c...
Influences of Limited Ammonium Nitrogen and Water Temperature on the Urban Stream Restoration Using Bacterial Technology – View from the Perspective of Numerical Modelling
Stream Restoration Bacterial Technology Polluted Urban Streams Numerical Modelling MATLAB
2013/3/20
To complete the previously information issued on the feasibility study and some technical challenges identi-fied from the application of bacterial technology, this study presents another characteristi...
Biological Nitrogen and COD Removal of Nutrient-Rich Wastewater Using Aerobic and Anaerobic Reactors
COD MLVS HRT Aerobic Anaerobic Reactors
2013/3/21
A preliminary study on nitrogen and organic removal efficiency of a lab-scale system using aerobic and an-aerobic reactors was performed. A simulated wastewater containing elevated levels of nitrogen ...
Soil Nitrogen Mineralization Potential for Improved Fertilizer Recommendations and Decreased Nitrate Contamination of Groundwater
Soil Nitrogen Mineralization Potential Improved Fertilizer Recommendations Decreased Nitrate Contamination Groundwater
2013/9/11
n order to prevent overfertilization, which could lead to groundwater contamination, rapid and accurate soil testing procedures are needed to evaluate agricultural surface soils for their potential to...