Water Purifier Reverse Osmosis System Mbr Membrane Water Purifier

Membrane BioreactorMBR (Membrane BioreactorMBR) is a new high-efficiency wastewater treatment process that combines high-efficiency membrane separation technology with the traditional complete activated sludge process. It replaces the secondary sedimentation pool in the traditional activated sludge process with membrane components. The large number of microbial flora in the interception biological system promotes the accumulation of microbial flora and biological species in the system, improves the sewage treatment capacity and efficiency, and thus greatly improves the effluent quality and volume load of the system, and the effluent can be used as secondary water.

Water Purifier Reverse Osmosis System with MBR Membrane

The Water Purifier Reverse Osmosis System with MBR Membrane is an advanced integrated water treatment solution designed for wastewater purification, industrial water recycling, municipal wastewater reclamation, and high-quality process water production. By combining Membrane Bioreactor (MBR) technology with Reverse Osmosis (RO) purification, the system can provide multiple treatment barriers for suspended solids, biological pollutants, dissolved salts, and other contaminants.

MBR and RO perform different but complementary functions. The MBR stage combines biological treatment with microfiltration or ultrafiltration membrane separation, producing a low-solids effluent suitable for further treatment. The RO stage then provides high-pressure membrane separation for dissolved salts and many smaller dissolved contaminants. This makes MBR followed by RO a practical process configuration for advanced wastewater reuse.

Membrane material	Poly vinylidene fluoride(PVDF with Reinforced lining)
Membrane Pore size	0.034-0.1µm
Membrane fiber (ID/OD)	1.0/2.2mm,   0.8/1.9mm,1.0/2.0mm
Filter method	Negative pressure suction mode
TPM(Max)	50Kpa
PH Range	2-11
Temperature Range	5-40ºC
MLSS Range	4000-12000mg/L (min:3000mg/L, max:15000mg/L)

MBR Membrane Water Purifier Technology

The MBR section is the biological and solid-liquid separation stage of the integrated water purification system.

In an MBR process, wastewater enters a biological reactor where microorganisms degrade biodegradable organic pollutants. The mixed liquor is then separated from treated water through an ultrafiltration or microfiltration membrane.

Unlike conventional activated sludge systems that depend on a secondary clarifier for solid-liquid separation, the MBR membrane acts as a physical barrier to retain activated sludge and suspended solids.

This allows the biological treatment process to maintain a relatively high concentration of microorganisms while producing a clarified membrane permeate.

The MBR permeate can then become feedwater for downstream RO treatment when the project requires additional removal of dissolved substances.

Reverse Osmosis Water Purification System

Reverse osmosis is an advanced pressure-driven membrane process used to reduce dissolved salts, ions, and many small dissolved contaminants.

The RO membrane operates under pressure that forces water through a semipermeable membrane while rejecting a significant portion of dissolved substances.

For wastewater reuse applications, RO normally functions as an advanced polishing stage rather than as the first treatment process. Stable pretreatment is important because suspended solids, organic fouling, biological growth, and scaling can negatively affect RO membrane performance.

When MBR is used before RO, the biological and membrane filtration stages can reduce suspended solids and biological pollutants before the RO stage. This can create a more suitable feedwater condition for downstream reverse osmosis.

MBR + RO Water Treatment Process

A typical integrated process can be configured as:

Pretreatment → Equalization → Biological Treatment → MBR Membrane → Cartridge/Security Filtration → High-Pressure Pump → RO System → Disinfection → Reuse

Depending on the wastewater characteristics, additional processes may be added.

Pretreatment

Screens, grit removal, oil separation, coagulation, filtration, or other pretreatment equipment can be used to protect the biological and membrane processes.

Biological Treatment

The biological reactor uses microorganisms to break down biodegradable organic matter and can be configured for carbon removal, nitrification, denitrification, or other treatment objectives.

MBR Membrane Filtration

The MBR membrane separates activated sludge and suspended solids from treated water. This produces a relatively clear permeate and provides an important barrier before advanced treatment.

RO Purification

The RO unit uses high-pressure membrane filtration to reduce dissolved salts, TDS, ions, and many small dissolved contaminants.

Final Treatment

Depending on the intended application, the RO permeate may undergo UV, chlorination, remineralization, pH adjustment, or other polishing processes.

The final treatment train should always be selected according to the intended water use and applicable local requirements. MBR permeate is not automatically suitable for every reuse application, and RO does not replace all required disinfection or monitoring steps.

High-Quality Water Purification

The combination of MBR and RO creates multiple treatment barriers.

The MBR stage focuses primarily on biological treatment and removal of suspended solids and microorganisms through membrane separation. The RO stage addresses dissolved constituents that are not inherently removed by MBR.

This distinction is particularly important for wastewater reclamation. MBR can produce high-quality effluent, but dissolved salts and certain dissolved contaminants may remain. RO can provide the additional separation required for applications with stricter water quality requirements.

MBR Membrane for Wastewater Treatment

MBR membrane modules may use hollow fiber or flat-sheet configurations depending on system design.

Hollow fiber MBR membranes provide a large membrane area in a compact module. Air scouring around submerged modules can help control solids accumulation and maintain membrane performance.

Important MBR operating parameters include:

Membrane Flux
Transmembrane Pressure
Mixed Liquor Suspended Solids
Dissolved Oxygen
Sludge Retention Time
Hydraulic Retention Time
Aeration Rate
Cleaning Frequency
Wastewater Temperature
Influent Organic Loading

Proper control of these parameters helps maintain stable biological treatment and membrane filtration.

RO Membrane Water Purifier

The RO system normally includes several major components:

Feed Pump
Pretreatment Filters
Cartridge Filter
High-Pressure Pump
RO Membrane Housing
RO Membrane Elements
Pressure Gauges
Flow Meters
Conductivity Monitoring
Automatic Control System
Permeate Tank
Concentrate Outlet
Chemical Cleaning System

The exact configuration depends on feedwater quality, required capacity, recovery rate, water quality target, and the type of reuse application.

For wastewater reuse, RO operating conditions should be selected according to feedwater characteristics and membrane manufacturer's recommendations. Scaling, organic fouling, particulate fouling, and biofouling are important considerations for RO systems.

Applications

The MBR and RO water purification system can be applied to:

Municipal Wastewater Reuse
Industrial Wastewater Recycling
Factory Process Water
Manufacturing Wastewater
Food Processing Wastewater
Beverage Industry Wastewater
Pharmaceutical Wastewater
Textile Wastewater
Printing and Dyeing Wastewater
Chemical Industry Wastewater
Electronics Industry Wastewater
Industrial Park Wastewater
Commercial Building Wastewater
Cooling Water Reuse
Boiler Feedwater Pretreatment
Process Water Recycling
Non-Potable Water Reuse

An actual application should be designed around the required water quality. For example, MBR+RO systems have been evaluated and used for industrial water reuse, including applications where RO follows MBR treatment to produce recycled process water.

Advantages of MBR + RO Water Purification
Multi-Stage Treatment

The combination of biological treatment, membrane filtration, and reverse osmosis provides different treatment mechanisms in a single integrated process.

Excellent Solid-Liquid Separation

The MBR membrane retains activated sludge and suspended solids, reducing the solids loading on downstream RO equipment.

Advanced Dissolved Contaminant Removal

RO provides treatment for dissolved salts and many small dissolved contaminants that MBR does not inherently remove.

Water Recycling

The system can convert suitable treated wastewater into recycled process water, reducing dependence on fresh water supplies.

Compact Treatment Footprint

MBR integrates biological treatment and membrane separation, potentially reducing the footprint associated with conventional secondary clarification.

Flexible System Configuration

The system can be configured for different flow rates, wastewater characteristics, treatment targets, and reuse applications.

Membrane Fouling and Maintenance

Both MBR and RO membranes require appropriate fouling management.

For the MBR stage, fouling can be associated with suspended solids, organic matter, microbial products, colloids, and sludge characteristics.

For RO, fouling can include particulate fouling, organic fouling, biological fouling, and mineral scaling. Effective pretreatment is therefore essential for stable RO operation.

Recommended maintenance includes:

Regular Pretreatment Inspection
TMP Monitoring
Permeate Flow Monitoring
Conductivity Monitoring
RO Pressure Monitoring
Membrane Cleaning
Cartridge Filter Replacement
Chemical Dosing Control
Sludge Management
Pump Inspection
Instrument Calibration

Cleaning frequency should be based on actual operating conditions rather than applying the same fixed interval to every installation.

Customized Water Purifier Reverse Osmosis System

Different projects require different treatment capacities and water quality targets. We can provide customized MBR and RO configurations based on wastewater flow, influent quality, required permeate quality, installation space, and final water use.

Customization can include:

MBR Membrane Type
Hollow Fiber or Flat Sheet Membrane
PVDF Membrane Options
MBR Membrane Area
RO Membrane Type
RO Membrane Quantity
System Capacity
Recovery Rate
Pump Configuration
Pretreatment System
Automatic Control Cabinet
CIP Cleaning System
Stainless Steel or Other Equipment Materials
OEM Branding and Packaging
Why Choose Us?
Integrated MBR + RO Expertise

We provide coordinated solutions for biological treatment, MBR membrane filtration, reverse osmosis, disinfection, and water reuse.

Application-Based Design

We consider wastewater quality, treatment flow, organic loading, TDS, conductivity, required recovery, and final water quality instead of selecting equipment based only on nominal capacity.

Customized Equipment

System capacity, membrane area, tank configuration, pump specifications, RO stages, controls, and other components can be customized according to project requirements.

OEM and Replacement Support

We support engineering companies, wastewater treatment contractors, distributors, factories, and OEM customers with customized MBR membranes and complete water treatment systems.

Complete Water Reuse Solutions

From pretreatment and biological treatment to MBR filtration, RO purification, disinfection, and final water storage, we can support complete wastewater recycling projects.

FAQ
1. What is an MBR membrane water purifier?

It is a water treatment system that combines biological wastewater treatment with membrane filtration. The MBR membrane separates treated water from activated sludge and suspended solids.

2. What is the role of RO in an MBR system?

RO provides advanced purification after MBR treatment. It is primarily used to reduce dissolved salts, TDS, ions, and other small dissolved contaminants.

3. Can MBR replace RO?

No. MBR and RO perform different functions. MBR provides biological treatment and solid-liquid separation, while RO provides high-level dissolved contaminant removal.

4. Can RO be installed after MBR?

Yes. MBR can serve as an advanced pretreatment stage for RO. This configuration has been studied for both industrial and municipal water reuse applications.

5. Does MBR remove dissolved salts?

MBR does not inherently provide the same dissolved-salt removal as RO. If low TDS or desalinated water is required, RO or another appropriate advanced membrane process may be necessary.

6. Can MBR + RO produce recycled industrial water?

Yes. The combined process can be designed for industrial water recycling when the wastewater characteristics and final water quality requirements are suitable.

7. What wastewater can an MBR + RO system treat?

It can be designed for municipal sewage and many industrial wastewaters, including food, beverage, pharmaceutical, textile, chemical, electronics, and manufacturing wastewater.

8. What causes RO membrane fouling?

Common causes include particulate fouling, organic fouling, biofouling, and mineral scaling. Proper pretreatment and operating control are important for reducing these risks.

9. Is additional disinfection required after RO?

It depends on the intended reuse application and applicable regulations. A complete reuse system may include UV, chlorination, or other treatment depending on the required microbial control.

10. Can the system be customized?

Yes. MBR membrane area, RO capacity, number of membrane elements, pretreatment, pumps, recovery rate, controls, tanks, and other components can be customized.

11. Can you provide replacement MBR membranes?

Yes. Replacement membrane modules can be supplied according to the existing membrane dimensions, membrane area, connection configuration, capacity, and operating conditions.

12. What information is needed for a quotation?

Useful information includes wastewater type, daily flow, peak flow, influent COD/BOD/TSS/TDS, conductivity, pH, temperature, required treated-water quality, intended reuse, available installation space, and whether the project is new or a replacement.

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