Subsurface Aeration Articles & Analysis
14 articles found
Lakes, ponds, and other freshwater bodies play critical roles in ecosystems: they provide wildlife habitats, recreation opportunities, and aesthetic beauty for the surrounding communities. However, many lakes develop water quality problems, such as symptoms developed from nutrient loads, algae blooms, and poor circulation that fail to fill their health. Hence, as the quality of water ...
One of the more difficult tasks in caring for large ponds, lakes, or other bodies of water is to keep the water healthy and clear. Algae growth, oxygen depletion, and water stagnation are just some of the problems that may so easily arise with larger bodies of water. A very effective solution to these problems includes a large pond aerator system that promotes better quality of water and ...
Sometimes these sludge islands will build very near a surface aerator because the violence of the aerator will either drop sludge out after lifting it, or because of the violent horizontal mixing of the aerator forms sludge piles near the aerator itself. ...
Engineering, workmanship, and stainless steel construction set the TORNADO and HURRICANE lines apart The Buy American Act (BAA) and the American Reinvestment and Recovery Act (ARRA) are complex regulatory frameworks, but they can be distilled to a simple statement: To take part in government-funded public works projects, the materials and products you source must be made in the United States. ...
There are several main types of mechanical aerators: low-speed surface aerators, floating surface aerators, submersible motor aerators, paddle wheel aerators, and fountains. Diffused aeration is subsurface aeration. Diffused aerators ...
Concerned about your wastewater spreading contaminants into its surroundings? Our no-splash best-in-class subsurface TORNADO® Aerators prevent aerosolizing and limit the spread of pollutants. ...
Unfortunately, high salinity and dissolved solids concentrations in produced water severely challenge traditional aeration techniques. Mechanical surface aeration consumes a lot of energy, suffers shortened equipment life through fouling and corrosion, and requires awkward and hazardous on-water maintenance. Their configuration also limits the ability to drawdown ...
Pharmaceutical residues in wastewater pose a challenge to wastewater treatment technologies. Constructed wetlands (CWs) are common wastewater treatment systems in rural areas and they discharge often in small water courses in which the ecology can be adversely affected by the discharged pharmaceuticals. Hence, there is a need for studies aiming to improve the removal of pharmaceuticals in ...
Sometimes these sludge islands will build very near a surface aerator, because the violence of the aerator will either drop sludge out after lifting it, or because of the violent horizontal mixing of the aerator forms sludge piles near the aerator itself. ...
Matrix dissolved oxygen, nitrogen removal and nitrogen functional gene abundances in two artificial aeration modes, continuous aeration (CA) and intermittent aeration (IA), in subsurface wastewater infiltration systems (SWISs) under different hydraulic loading rates (HLRs) were investigated. Aeration not only ...
Hence, an innovative scheme has been tested to treat swine wastewater, combining a low cost anaerobic reactor, upflow anaerobic sludge blanket (UASB), with intensified constructed wetlands (aerated CWs) in a pilot scale experimental study. The swine wastewater described in this paper is produced by a swine production facility situated in North Italy. The scheme of the pilot plant ...
When more oxygen is consumed than is produced, oxygen levels can be depleted, which can lead to fish kills.(Sallenave NMSU.edu) Subsurface Aeration Preventing oxygen depletion is difficult, but proper pond management and construction can help prevent fish kills. Installing an aeration system to circulate and aerate ...
The effects of micro-aeration and substrate selection on domestic sewage treatment performance were explored using three pairs (with or without micro-aeration) of horizontal subsurface flow (HSSF) constructed wetlands (CWs) filled with zeolite, ceramsite or quartz granules. The individual and combined effects of micro-aeration ...
A new type of hybrid constructed wetland (CW), consisting of both vertical-baffled flow wetland (VBFW) and horizontal subsurface flow wetland (HSFW), has been deployed in Southern China to naturally accelerate the removal of organic matter and nitrogen. The hybrid CW system is characterised by a combination of continuous baffled flow vertical wetland and ‘S’ pattern horizontal ...