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| Salt Rejection Rate: | 99.0% |
| Application: | Industry |
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How to find out that the iron and manganese of groundwater exceed the standard?
- Drill the well first and take out water, the water comes out is very clear and clean, look like tap water.
- But after let it on stand for a while or overnight, the color becomes darker, be yellow or brown and emits a fishy smell.
- This is because groundwater is rich in minerals and has been in an anaerobic environment for a long time, so iron and manganese ions exist in divalent form.
- Once be contact with air, the ions will be oxidized to precipitates of ferric iron.
- If you found that the drilling water has the above situation, recommend to conduct a water report to test the specific content of iron and manganese.
- Then Haiyuan will offer you professional iron and manganese removal solution according to your situation, to make your water healthier.
Iron manganese removal from well water design flow chart suggestion:
When you find iron and manganese in the water, please info us the concentration of iron and manganese in the water(the test result will indicate).
- WHO standard Iron and manganese standard. Iron≤ 0.3mg/L, Manganese ≤0.1mg/L.
- When Iron <2.0Mg/L,Mn<2Mg/L, Aeration (use blast pump or air compressor)If PH is low adjust PH. Single iron remove filter).
- When Iron >=5mg/LM Mn>=1.5mg/L, First aeration, then adopt double iron remove filter. 1st remove iron, 2nd remove manganese.
- When Iron >=10mg/LM Mn>=2mg/L,PH >5.5 well water. Need to discuss with engineer then customized the design.
- Add air →Aeration pond→Feed water pump → Iron remove filter→ Manganese remove filter→ active carbon filter → water softener→ bag filter→ purified water storage tank .
- Aeration iron removal is currently the most mature and cost-effective method for removing iron and manganese. Build an aeration tank and use aeration blower to oxidize the ferrous iron in the water to ferric iron. After the ferric iron is precipitated, it can be removed by a manganese sand filter, then finally use activated carbon filter to remove the color, to meet the product water requirements.
| Different Water TDS(Total Dissolved Solids) compare and usage | ||||
| Raw water/Application | Bottled water, | City tap water | Brackish water | Seawater |
| Bag water | ||||
| TDS Range | 2-10ppm | 100-1000ppm | 2000-20000ppm | 20000-40000ppm |
| Direct Drinking | Yes | Yes/No | No | No |
| Cooking, human | Yes | Yes | No | No |
| consumption, washing | ||||
| Irrigation, Industry, | Yes | Yes | No | No |
| Animal Drinking | ||||
30m3/hr iron manganese removal system(carbon steel with inner epoxy) Auto valves
80m3/hr iron manganese removal system(carbon steel with inner epoxy) Manual valves
50m3/hr iron manganese removal system(carbon steel with inner epoxy) Manual valves
10m3/hr iron manganese removal system(FRP material) Manual valves
Haiyuan Desing concenpt for RO seawater desalination plant:
1- Pipe line: seawater desalination plant Low pressure use UPVC pipe, High pressure use SS316L Corrosion resistance,To use less bend pipe, reducing pipe and valve.
2-To use hose which could reduce vibration and lower noise.
3-Control part: PLC and HMI Auto control. Press button start. Auto flushing when start and off. Like this way can prolong RO membrane lifetime.
4-reverse osmosis seawater desalination plant have Alarm reminder when there is any problem.
5-All the working process and alarm will be showed on the touch screen.
6-Seawater desalination for boat use the stainless steel material make the machine whole frame.
Our plant use the stainless steel material SS316 material for frame.
7-Some supplier use the Italy AR brand brass high pressure pump. The brass cannot withstand for long time seawater corrosion. Maybe working for 6 months. Some part will rusting.
Pls advise us below info:
1. Product water flow rate ( m3/hr, m3/day, Liter/hr,GPM,GPD etc.)
2· Product water purpose(industry process or others)
3 . Power (110/220/380V/415V/460V, 50 or 60 Hz) 3 phase.
4. If source water is tap water water analysis report(as per TDS less than 1500ppm)
5. Source water from borehole/salt/brackish/lake water It is necessary to make water analysis report( TDS,Iron, Manganese, TSS, SDI)
6. Any other detail requirement.please tell me as more as you know.
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