aerobic wastewater treatment
Category: Water & Wastewater ×
Subcategory: Wastewater Treatment ×
Keyword: aerobic wastewater treatment ×
Location: Canada ×
Location: Saskatchewan ×
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The ADDIGEST® is an aerobic wastewater treatment system designed for both municipal and industrial applications. The trade name ADDIGEST® is derived from 'add-on-digestion' and attests to the versatility of this system. It offers treatment from basic BOD and TSS removal to nutrient removal and advanced treatment. The ADDIGEST® ...
The conventional activated sludge system comprises an aeration tank and a clarifier. Aerobic biomass degrades COD in the aeration tank. The mixed liquor (ML) in the clarifier is separated into a water phase and a concentrated ML by sedimentation. The clarified water overflows weirs at the top of the clarifier whereas the sludge (biomass) is ...
The SBR process consists of two reactor tanks with a common inlet system. The bio-selector at the influent section contains baffles to mix the reactor content and enhances digestion. The treatment step is followed by a settling phase, which runs parallel with the filling and aeration of the second tank. The treated water is discharged and the ...
In membrane bioreactors ultrafiltration (UF) or microfiltration (MF) membranes are used for separation of the treated water from the mixed liquor (ML). The UF/MF membranes guarantee a constant and very high effluent quality as particulate matter (SS, microorganisms) cannot pass through the membranes. Furthermore, MBR installations require less ...
Submerged Aerated Filter (SAF) technology was introduced by Veolia over two decades ago, and has been continually developed to include units to treat both municipal and industrial wastewater from 30 population equivalent (PE) upwards.
Aerobic treatment converts the organic pollutants (COD, BOD) in wastewater into a fair amount of excess sludge, and oxidizes the rest with oxygen (air) to carbon dioxide. This causes high operating costs for sludge treatment and disposal and for aeration, so that anaerobic treatment systems are normally to be preferred. The aerobic process ...
Dissolved Oxygen (DO) shortage can cause catastrophes in both natural waters and aerobic waste water treatment plants. In periods of high BOD and COD loading, or high ambient temperatures where biological activity and oxygen uptake rate are high, DO can fall to zero levels. At such times, higher aquatic life dies, odours can cause nuisance, and ...
HydroThane STP® BSP stands for Biological deSulphurization Process and is a simple biological process that removes hydrogen sulphide H2S from the biogas without the use of chemicals.The biogas is fed into vertical column(s) with a packing media in counter current flow, the BSP process can be seen as a combination of a conventional chemical ...
The fermentation of wastewater has gained increasing importance over the past few years. On the one hand higher organic loads can be treated, technically and economically, by anaerobc treatment. On the other hand it is possible to win back energy with the biogas produced by the fermentation process; a real benefit both economically and ...
A compact 3 step process (enzymatic + thermophilic hydrolysis followed by methanation) transforming food & agricultural residues into biogas.
