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Domestic Wastewater

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Domestic Wastewater

Day by day increasing the importance of need for protecting water resources and reduction of water consumption has revealed necessity of treatment of wastewater occurs as a result of the requirements of normal life activities. Therefore, as a consequence of strict laws and regulations local authorities inevitably invest in construction of domestic wastewater treatment plants.

Arbiogaz aims to provide perfect combination of high treatment efficiency, low operation cost and easy operation in both small towns and larger cities. For this reason, in addition to conventional processes Arbiogaz applies many advanced treatment processes such as aerobic and anaerobic biological processes, membrane bio-reactor (MBR), nitrogen and phosphorus removal, multimedia filtration and membrane filtration. Arbiogaz also designs and builds sludge dewatering and sludge drying system to minimize by-products of treatment plant.

Municipal Treatment Plants

Groundwater, surface water resources and marine waters are polluted with wastewaters. Wastewater treatment plants are constructed to prevent this pollution. Arbiogaz builds wastewater treatment plants in order to treat domestic wastewaters occur in metropolitan cities, towns and small communities.

Design of the treatment plants is based on discharge standards specified in the regulations and production standards such as TSI, DIN, etc. Arbiogaz successfully implements biological treatment methods contain extended aeration activated sludge, batch aerobic treatment system, membrane technologies in wastewater treatment plants that are designed according to these standards. Nitrogen (nitrification and denitrification) and phosphorus (biological and chemical) removal is also provided in advanced wastewater treatment plant that are using these processes.

Disinfection of treated water from wastewater treatment plant is ensured by filtration, ultrafiltration, chlorine, ozone or UV (ultraviolet) oxidation to provide to discharge to sensitive receiving environments, use for irrigation purposes or recovery for service water in treatment plants.

Applied Technological Solutions

Arbiogaz has been serving in the field of Environmental Technologies since 1985 has the experience and knowledge about domestic wastewater treatment with references below.

Municipal waste water treatment plants
Organized Industrial Zone wastewater treatment plants

Applied processes in Municipal wastewater treatment;

1. Physical processes

a. Screens
b. Grit and grease removal
c. Primary sedimentation
d. Flotation (DAF, microflotation)

2. Chemical processes

a. Chemical phosphorus removal
b. Chemical phosphorus recovery

3. Biological processes

a. Suspended growth processes

i. Activated sludge system
1.Carbon removal
2. Nitrification
3. Denitrification
4. Biological phosphorus removal
5. Solid-liquid phase separation by final sedimentation tank
6. Sequencing batch reactors (SBR)
7. Solid-liquid phase separation by Membrane bioreactors (MBR)

b. Attached growth processes

i. Trickling filter
ii. Biodisc
iii. Moving bed bioreactor (MBBR)
iv. Integrated Fixed-Film Activated Sludge (IFAS)
v. Aerobic granular sludge systems (Nereda)

c. Anaerobic processes

i. Completely mixed reactors
ii. High-rate anaerobic granular systems (UASB, IC, ECSB, EGSB)
iii. Anaerobic membrane processes (ANMBR)

4. Processes using for residual pollutants

a. Filtration
b. Membrane separation (MF, UF, NF, RO, EDI)
c. Electrodialysis
d. Adsorption (activated carbon adsorption…)
e. Ion – exchange
f. Distillation