Product Overview

Selecting the right wastewater treatment solution for an industrial or commercial project is rarely straightforward. Most buyers are forced to choose between oversized civil-engineered concrete plants, rigid single-process equipment, or costly imported systems that are difficult to scale. The result is the same: long installation cycles, high labor and maintenance costs, and unstable effluent quality that may fail to meet tightening local discharge standards.

LINZHEN's Packaged Wastewater Treatment Plant is engineered to eliminate those pain points. As an integrated, prefabricated, and modular sewage treatment system, it arrives as a fully assembled unit — or in a few containerized modules — that can be lifted into place, connected to influent and effluent piping, and commissioned within days rather than months. There is no need for large-scale civil construction, the system footprint is minimal, treatment capacity is flexibly customizable, and purification performance remains stable across a wide range of influent conditions. That is why this compact system has become one of the most cost-effective packaged wastewater treatment solutions for small and medium-sized industrial wastewater projects and decentralized domestic sewage applications worldwide.

What Is MBR Technology?

Membrane Bioreactor (MBR) is an advanced wastewater treatment technology developed at the end of the 20th century that efficiently combines membrane separation with biological treatment. Compared with the conventional activated sludge process and traditional filtration units, MBR delivers several decisive advantages:

• Strong solid-liquid separation. The membrane's fine pore structure reduces effluent suspended solids (SS) to near zero.

• Independent control of HRT and SRT. Hydraulic Retention Time and Sludge Retention Time are completely decoupled, allowing operators to maintain high mixed liquor suspended solids (MLSS) and stable biological activity.

• High-quality reusable effluent. The treated water is stable in quality and can often be reused directly, removing the need for tertiary polishing in many applications.

• Compact footprint and broad applicability. The technology significantly expands the scope of wastewater recycling and reuse in water-scarce regions.

The LINZHEN system uses an NL-series immersed hollow fiber membrane module specially developed for this application. Its high porosity, large specific surface area, and strong adsorption capacity make it exceptionally easy for microorganisms to colonize, while effectively removing bacteria, suspended particles, and impurities to produce superior filtered water.

Working Principle & System Layout

Wastewater enters the system through a mechanical bar screen that removes large debris, then flows into the equalization tank to balance flow and load fluctuations. From there it is pumped into the anoxic/anaerobic tank for biological denitrification and phosphorus release, followed by the membrane bioreactor (MBR) tank where the membrane separating component performs the final solid-liquid separation. The aeration matrix at the bottom of the MBR tank supplies dissolved oxygen for the activated sludge while creating a cross-flow that scours the membrane surface and limits fouling.

An online chemical cleaning system performs scheduled Clean-In-Place (CIP) maintenance on the membranes without disassembly, while a blower supplies process air to the biological reactors. The treated water passes through a water disinfection system before being discharged or reused. All instruments, blowers, and control gear are housed in a dedicated operation room, enabling safe, fully automatic unattended operation.

Key Features & Advantages

1. Superior Biological Performance High internal porosity and a large specific surface area deliver strong adsorption capacity, making it easy for microorganisms to attach, multiply, and form a stable biofilm. The result is consistently low COD, BOD, ammonia nitrogen, and SS in the effluent.

2. Easy Installation & Stable Operation The integrated skid-mounted and containerized structure allows fast on-site hoisting and connection. The process is stable and reliable, the water quality is consistently good, and the system handles fluctuating loads with ease — ideal for project sites with limited construction windows.

3. Low Operating Costs The membrane module is highly resistant to clogging, does not require backwashing or backflow, and supports long service intervals between chemical cleans. Combined with the fully automatic PLC control, daily operation is essentially one-key start, dramatically reducing labor costs.

4. Modular, Flexible Process Design The system supports flexible combination of DAF (Dissolved Air Flotation), MBR, MBBR (Moving Bed Biofilm Reactor), SBR (Sequencing Batch Reactor), and AO (Anoxic/Oxic) processes, and can be professionally customized to match the customer's actual wastewater characteristics, treatment volume, and local emission requirements.

5. Energy-Saving & Durable Construction The whole machine is fabricated from high-quality carbon steel or stainless steel, with anti-corrosion surface treatment using world-renowned coatings such as Sigma Coatings and PainBow, applied strictly according to standard processes. The result is excellent impact resistance, low sludge yield, and a long service life — even in harsh outdoor or factory environments.

Technical Specifications

Manufacturing & Quality Control

LINZHEN operates a 27,000 m² manufacturing plant powered by a professional design team with more than 90 staff and over 80 advanced production machines. Our fabrication capabilities include laser cutting, plasma cutting, CNC cutting, CNC bending, and automatic welding, ensuring consistent dimensional accuracy and weld quality across every unit.

Every system is delivered with a Machinery Test Report and a Video Outgoing-Inspection so buyers can verify performance before shipment. Electrical components from world-leading brands such as Schneider are used throughout the control panel, and our equipment carries CE, ISO 9001, SGS, Utility Model Patent, and other industry certifications.

Service & Support

Pre-Sale

• Inquiry and consulting support

• 3D design and process simulation

• Sampling check and pilot testing

• Factory visiting welcome

• Timely reply to all technical questions

After-Sale

• Installation instruction and supervision

• On-site or remote operation demonstration

• Lifetime technical support

• Video technical support

With more than 10 years of overseas installation experience, our operating team can deliver the most reliable technical solution for any wastewater challenge, anywhere in the world.

Frequently Asked Questions

Q1. How do I request a quotation?

Send us your water source, water quality report, daily flow rate, and available ground area. We will respond with a tailored proposal.

Q2. What are the payment terms?

T/T and L/C are both acceptable. Standard terms are 30% deposit before production and 70% balance before loading by T/T.

Q3. What is the delivery time?

Depending on order quantity, delivery is generally 4–6 weeks.

Q4. How is the equipment packaged?

Standard export packaging is used. Special packaging requirements can be accommodated at the customer's expense.

Q5. How is the equipment protected from corrosion?

We use world-renowned marine-grade paints such as Sigma Coatings and PainBow, applied strictly in accordance with the standard multi-coat process.

Q6. How is the equipment manufactured?

Using laser cutting, plasma cutting, automatic welding, and CNC cutting & bending.

Q7. How is installation handled at the destination?

Detailed installation drawings and instructions are provided. On-site technicians can be dispatched if needed, with the buyer's responsibility limited to visa fees, air tickets, accommodation, and on-site wages.

Why Choose LINZHEN

With more than a decade of project experience across America, Australia, Mexico, Russia, Saudi Arabia, Peru, Colombia, Vietnam, Thailand, the Philippines, Malaysia, Indonesia, Nigeria, India, Chad, Kenya, Iraq, Sudan, and many other countries, LINZHEN has earned a strong reputation for competitive pricing, advanced technology, and reliable after-sales service. Overseas branch offices and spare-parts depots in America, Malaysia, Australia, and the Philippines ensure that customers can get the parts and support they need, when they need them.

Choose LINZHEN — and let our expertise turn your wastewater challenge into a compliant, cost-effective, long-term asset.