Product Overview

The LINZHEN MBR/MBBR Integrated Packaged Wastewater Treatment Plant is a factory-built, skid-mounted system engineered for industrial sewage, municipal wastewater, river water purification, and reclaimed water reuse. Designed by Qingdao Linzhen Environmental Engineering Co., Ltd. and built in a 36,000 m² manufacturing facility in Shandong, China, this system combines Moving Bed Biofilm Reactor (MBBR) biological treatment with Membrane Bioreactor (MBR) / advanced tertiary filtration technology to deliver stable, high-quality effluent in a compact, plug-and-play configuration.

Each unit is shipped as a fully integrated, containerized package with a separate control room, blower room, and built-in process tanks. The one-touch start/stop PLC system enables automatic operation from day one, reducing on-site labor and commissioning time. The carbon steel or stainless steel tank shell is sandblasted and coated with a triple-layer protective system — zinc-rich primer, intermediate epoxy, and top coat — ensuring strong adhesion, excellent rust resistance, and long service life even in harsh environments.

With a processing capacity customized to your project requirements, the LINZHEN system is ideal for buyers seeking a reliable, space-saving, and cost-efficient wastewater treatment solution that can be deployed quickly and operated with minimal supervision.

How the System Works

The LINZHEN MBR/MBBR treatment plant follows a multi-stage, continuous-flow process designed to handle high organic loads, suspended solids, and fluctuating influent quality:

1. Preliminary Treatment & Equalization

Raw wastewater is first screened to remove large particles, plastics, fibers, and grit. It then enters an equalization tank to balance hydraulic and pollutant load fluctuations, protecting downstream biological stages from shock.

2. Dual-Stage MBBR Biological Treatment

The wastewater enters MBBR Tank 1 and MBBR Tank 2, where high-surface-area biofilm carriers are suspended in the mixed liquor. Under aeration, microorganisms attach to these carriers and form a dense biofilm. This dual-stage design efficiently degrades organic pollutants and reduces COD (Chemical Oxygen Demand), BOD (Biochemical Oxygen Demand), and ammonia nitrogen. Because the MBBR process combines suspended and attached growth, it offers strong resistance to shock loads and a significantly reduced risk of sludge bulking compared to conventional activated sludge systems.

3. Lamella Sedimentation & Solids Separation

After biological treatment, the flow passes through a lamella settler that separates suspended solids and biomass from the treated water. Collected sludge is routed to a dedicated sludge tank for further dewatering or disposal.

4. Tertiary Filtration & Disinfection

The treated water is collected and pumped through a pressure sand filter (PSF) and activated carbon filter (ACF) to remove residual suspended solids, odors, and trace organics. A final UV disinfection unit ensures the effluent meets microbiological standards. The clean water is then stored for discharge, irrigation, industrial reuse, or environmental restoration.

Standard Equipment Configuration

The LINZHEN packaged plant is composed of seven integrated process units housed in a single, compact structure:

• Primary Sedimentation Tank — removes settleable solids and grit

• Anoxic Tank — supports denitrification and nutrient control

• Contact Oxidation Tank — aerobic biological treatment with MBBR media

• Secondary Sedimentation Tank — clarification and biomass separation

• Disinfection Tank / Unit — UV or chemical disinfection for safe effluent

• Sludge Tank — temporary storage and thickening of waste sludge

• Blower Room — houses the aeration roots blower and air distribution equipment

All major electrical and process components are brand-name industrial-grade equipment, including a PLC automatic control panel, CNP pump sets, and Roots blowers. The control room uses a movable structural design for easy maintenance, inspection, and relocation.

Key Advantages

High Treatment Efficiency

The MBBR + MBR/filtration hybrid process delivers excellent removal of COD, BOD, TSS, ammonia nitrogen, oils, grease, and phosphorus, producing effluent that meets stringent discharge standards and supports water reuse objectives.

Compact, Space-Saving Footprint

By integrating biological treatment, sedimentation, filtration, and disinfection into a single packaged unit, the system saves 30–50% of the footprint compared to traditional wastewater treatment plants. This is especially valuable for factories, urban sites, and remote locations with limited space.

Stable, Grade 1A Effluent Quality

The combination of membrane / advanced filtration and UV disinfection ensures consistently low suspended solids, high clarity, and reliable microbiological compliance, even when influent quality fluctuates.

Fully Automatic Operation

The integrated PLC control system provides one-touch start/stop, automatic process sequencing, and real-time monitoring of water quality and equipment operating parameters. This minimizes manual intervention, improves operational safety, and reduces labor costs.

Strong Resistance to Shock Loads

The dual-stage MBBR process with suspended biofilm carriers maintains stable performance during influent flow and concentration variations, making it ideal for industrial applications with non-constant wastewater discharge.

Easy Installation & Retrofitting

The packaged, plug-and-play design allows rapid on-site installation. Units can also be added to existing tanks or treatment facilities to increase capacity and improve effluent quality without major civil works.

Lower Operating & Maintenance Costs

Optimized biological processes, energy-efficient blowers, and automatic control systems reduce power consumption, chemical usage, and maintenance requirements over the equipment lifecycle.

Water Reuse Capability

Treated effluent can be used for irrigation, industrial cooling, equipment washing, and other non-potable applications, helping reduce freshwater demand and discharge volumes.

Applications

The LINZHEN MBR/MBBR packaged plant is widely used in the following sectors:

• Industrial Wastewater Treatment — food processing, pharmaceutical manufacturing, chemical production, textile dyeing, electronics, and pulp & paper

• Municipal & Decentralized Sewage Treatment — residential communities, public facilities, resorts, remote camps, and rural areas without centralized sewer networks

• River Water Purification & Environmental Restoration — in-situ or side-stream treatment of polluted rivers, lakes, and canals to improve transparency, reduce organic pollutants, and control nutrient levels

• Water Reuse & Resource Recovery — tertiary treatment of municipal or industrial effluent for irrigation, cooling, process water, and environmental flows

Technical Specifications

Why Choose LINZHEN?

Qingdao Linzhen Environmental Protection Co., Ltd. has been designing and manufacturing environmental protection equipment since 1988. With a 36,000 m² factory, more than 130 processing machines, and a team of 360 employees including 72 engineering technicians, LINZHEN has the in-house capability to deliver complete wastewater treatment solutions from process design to fabrication and commissioning.

Our equipment has been exported to the United States, Australia, Mexico, Russia, Saudi Arabia, Peru, Colombia, Vietnam, Thailand, the Philippines, Malaysia, Indonesia, Nigeria, India, Chad, Kenya, Iraq, and Sudan. We have earned the trust of 2,000+ clients worldwide for our quality, competitive factory pricing, and responsive technical support.

LINZHEN is a verified original manufacturer supporting OEM/ODM customization. We provide 24-hour customer service, a short delivery cycle, and a 30-person after-sales team to ensure every project is supported from quotation through commissioning and long-term operation.

Whether you need a single packaged unit for industrial effluent, a river purification system, or a scalable water reuse plant, LINZHEN delivers engineered equipment that meets your water quality goals and project budget.

Contact the LINZHEN engineering team today to receive a customized process flow diagram, quotation, and technical proposal for your wastewater treatment project.