SWM series Sewage Recycle System is a specialized treatment equipment designed to recycle water from bathing wastewater, toilet wastewater, kitchen wastewater, and office wastewater. After treatment, the output water can be used for irrigation and gardening purposes.
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Technical Process
                                                                               Air Blower
                                                                                        ↓
Raw water from Sump pool→ Lift Pump→Anoxic-Aerobic-Membrane Tank→Self-Priming Pump→Pure Water Tank→Cycle Water                                                                   ↓                                                                      ↑
                                                           Sludge Transport ↠Sludge Tank                                               Disinfection
Input Water Quality Range and Output Water Quality
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| Â | CODcr | BOD5 | SS | OIL & GREASE | NH3-N | PH |
| Input Water | ~800 | ~400 | ~200 | ~14 | ~30 | 6-9 |
| Output Water | ≤20 | ≤10 | ≤10 | ≤5 | ≤8(15) | 6-9 |
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Features:
. Widely used in drought areas to recycle domestic sewage, the output water can be used for toilet water, gardening water, etc. If required, the output water can go for deep-treatment (to use machines like RO system) for producing drinking water.
. Almost 100% water recycle rate; relatively high MLSS value (smaller than 15g/L) and long residue time for sludge.
. Save 50% occupying area compared with traditional systems; low energy consumption, simple cleaning, and low operation cost.
.Special design based on domestic sewage characteristics, stable producing water quality for different inlet water; less sludge residue reduces cost for sludge treatment.
.Automatic control system and without stink or noise caused during machine running.
| Item Model | SWM-500 | SWM-1000 | SWM-2000 | SWM-3000 | SWM-5000 | SWM-8000 |
| Treat Capacity (m3/day) | 0.5-1.0 | 1.0-2.0 | 2.0-3.5 | 3.0-5.0 | 4.0-7.0 | 5.0-9.0 |
| MBR Membrane (m2/day) | 5 | 10 | 12 | 15 | 20 | 25 |
| Length × Width (mm) | 750 × 500 | 1000 × 650 | 1200 × 650 | 1300 × 780 | 1750 × 780 | 2100 × 800 |
| Material of Membrane | Reinforced PVDF/PTEF | |||||
| Running Temperature | 5~45ºC | |||||
| Running PH | 2~12 | |||||
| Controlled | Automatic Controlled | |||||
| Container Material | Carbon Steel/Plastic/Stainless Steel 304 | |||||
| Electric Source | 1phase, 220V / 3phase, 380V, 50HZ | |||||
Process Information
(1) Anoxic Pool
Sewage enters the anoxic pool, along with return sludge from the MBR pool. The primary function of the anoxic pool is denitrification, where denitrifying bacteria use organic matter in sewage as a carbon source. The return sludge from the MBR pool contains a large amount of NO3- and NO2-, which are reduced to N2 and released into the air. BOD concentration continues to decrease, and the NO3- concentration is deeply reduced. In this pool, we install a submersible mixer.
(2) Aerobic Pool
In the aeration condition, there are large quantities of microorganisms and bacteria, phosphorus, and bacteria inside activated sludge. They degrade or adsorb water containing carbon, ammonia nitrogen, phosphorus, and organic pollutants to achieve the purpose of purifying water. In this pool, we install tube-type rubber porous gas distributors, allowing for good oxygen transfer rates.
(3) MBR Pool
Choose membrane to purify sludge-containing sewage, then it can get purified water at the end. On one hand, the membrane can reject microbes in sewage, increasing the concentration of active sludge to a high level, thus accelerating and completing the biochemical degradation reaction. On the other hand, the high membrane purification capability ensures that the product water is clear and transparent, with high-quality water production.
There is an MBR membrane cell with water output, backwash, cleaning, and purging systems. MBR membrane purging (aeration) has two purposes: one is to keep the membrane surface clean through oscillations of gas and water around the membrane, and the second is to provide the oxygen needed for biodegradation. By using a high rejection function, all bacteria and suspended solids are rejected inside the aeration tank, trapping nitrifying bacteria and effectively removing ammonia. It also rejects larger molecular organics to extend reactor residence time, maximizing degradation. The remaining sludge will be discharged by a sludge pump, controlling the concentration of activated sludge and sludge age.
(4) Disinfection / Pure Water Pool
The MBR product water still has some viruses, so disinfection is required before final output. Usually, we inject chlorine or ClO2 into the water pipe when the water enters the pure water tank. (The disinfection part is optional.)
This pool uses PE plastic material or carbon steel within the main treatment system.
(5) Sludge Discharge
The remaining sludge can be discharged by sanitation trucks. Since the sludge quantity is low after the MBR pool, sludge discharge usually occurs every 3-6 months.
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The five sides of the acrylic container swimming pool are acrylic, the corner is seamless splicing way, this acrylic container swimming pool looks beautiful and easy to install.
Acrylic container pool used by the Acrylic Sheet is a one-time pouring panel, different from the composite panel on the market, acrylic sheet production raw material is Lucite, and acrylic sheet is outdoor anti-UV panel, can ensure that 20 years of plate color changes little, no obvious yellow or cloudy state.
If you have any questions, you can contact us directly.
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