MBBR Polyurethane Biofilter Media K1 K3 K5 1

MBBR Polyurethane Biofilter Media K1 K3 K5 2

MBBR Polyurethane Biofilter Media K1 K3 K5 3

MBBR Polyurethane Biofilter Media K1 K3 K5 4

MBBR Polyurethane Biofilter Media K1 K3 K5

MBBR Polyurethane Biofilter Media K1 K3 K5 are durable polyurethane carrier pieces used in moving bed biofilm reactors. They offer very high surface area and open structure for biofilm growth, strong mechanical strength, long service life, and stable movement in the tank. The K1, K3 and K5 types are different sizes/densities so you can match them to flow, load and tank depth for efficient nitrification, denitrification and organic removal.

Usage scenarios (about 3 sentences):

They are used in municipal and small-town wastewater plants for secondary treatment and to improve nitrification and BOD/COD removal. They work well in industrial wastewater systems (food & beverage, dairy, brewery, textile, pharmaceutical, etc.) to cut organics and ammonia and help meet discharge limits. They are also popular in aquaculture and recirculating systems, aquariums, decentralized/onsite treatment and retrofit upgrades where added capacity or better treatment is needed without building larger tanks.

brand name:

QILEE

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Support Sea freight

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Place of Origin:

China

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Packing No.

420000pcs/cbm

Porosity

98%

Surface Area

>4000m2/m3

Size

10x10mm/20x20mm, 10x10mm/20x20mm

Local Service Location

Malaysia

After Warranty Service

Online support

After-sales Service Provided

Online support

Material

PPC

Product name

Mbbr K1 K3 Bio Filter Media

Warranty of core components

Not Available

Marketing Type

Hot Product 2019

Showroom Location

Malaysia

Applicable Industries

Manufacturing Plant, Construction works

Condition

New

Weight

12.5kg/cbm

warranty

1 Year

place of origin

Shanghai, China

core components

Gearbox

machinery test report

Not Available

video outgoing-inspection

Provided

Efficient Durable Lightweight Prepackaged

MBBR polyurethane K1/K3/K5 biofilter media enhances treatment efficiency and reduces sludge return for Sewage Treatment Equipment by promoting rapid biofilm growth and high contaminant degradation. Manufactured as hydrophilic porous polyurethane pellets (10 ± 1 mm after expansion) with >2000 m2/m3 specific surface area, 98% voidage and ~12.5 kg/m3 dry density, it ensures fast microbial attachment, excellent BOD/COD/NH3 removal and a service life beyond 10 years. Packaged in standard export cartons with 3–20 day delivery windows and easy retrofit compatibility, this wear‑resistant media lowers energy and maintenance costs while simplifying installation and handling.

High Surface Area Media

The MBBR polyurethane biofilter media (K1, K3, K5) is a hydrophilic porous gel carrier with a unique wall structure, >2000 m2/m3 specific surface area, ~98% voidage and high elasticity that promotes durable microbial attachment and a service life beyond 10 years. In Sewage Treatment Equipment it functions as a fluidized aerobic carrier where rapid biofilm formation and mass transfer enable high nitrification and BOD/COD oxidation rates while reducing fan energy and sludge return. With wide pH and temperature tolerance, easy integration into MBBR systems, and high biological attachment density, the media delivers efficient contaminant removal, lower operating costs and stable, low‑maintenance performance for municipal and industrial wastewater treatment.

Versatile MBBR Carrier Options

The K1/K3/K5 MBBR polyurethane biofilter media is a hydrophilic porous PPC carrier with a unique wall structure that provides a very high specific surface area (>2000 m2/m3), excellent elasticity, and long service life to support aerobic biofilm growth. Kept fluidized by aeration, the carriers promote rapid microbial attachment and efficient pollutant removal with high nitrification and BOD/COD oxidation capacities while reducing sludge return and fan energy consumption. Suitable for MBBR systems, municipal and industrial wastewater treatment, and integrated Sewage Treatment Equipment, these carriers work across a wide pH and temperature range and last more than 10 years.

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Efficient Durable Biofilm Media

Developed under a rigorous manufacturing process and decades of expertise, MBBR Polyurethane Biofilter Media K1 K3 K5 delivers a consistent carrier structure and high surface area to support robust biofilm growth for Sewage Treatment Equipment. Its lightweight, chemically resistant polyurethane composition and optimized geometry ensure low clogging, high oxygen transfer, and easy retrofitting into existing systems, suitable for municipal and industrial applications. Key features include high specific surface area, durable elastic matrix, excellent mechanical stability, and modular sizes (K1, K3, K5) that offer improved nitrification, reduced footprint, energy savings, and long service life.

Material introduction

Made from a polyurethane-based porous gel and polymer composite (PPC), the MBBR K1/K3/K5 media provides a hydrophilic, elastic carrier material that promotes rapid microorganism attachment and robust biofilm formation. Its unique wall structure, >2000 m2/m3 specific surface area and ~98% voidage ensure excellent mass transfer, high porosity and enhanced wear resistance for long service life in Sewage Treatment Equipment. Lightweight yet durable with low aeration energy needs, this carrier supports high nitrification and BOD/COD oxidation efficiencies while minimizing sludge return.

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◎ K1 — Hydrophilic Elastic Porous

FAQ

What is MBBR polyurethane biofilter media K1, K3 and K5 and how do they work?

These are porous polyurethane carrier elements designed for moving bed biofilm reactors (MBBR). Suspended in the reactor by aeration or mixing, they provide a protected high-surface-area matrix where beneficial bacteria attach and form biofilm that removes organic matter, ammonia and other pollutants biologically.

How do K1, K3 and K5 differ and how do I choose the right one?

K-series numbers indicate different pore structure, size and effective surface area: K1 is typically the finest/most porous for high biofilm density and nitrification, K3 is medium and general-purpose, while K5 has larger pores or a more robust shape suited to higher solids or heavy-load conditions. Choose based on treatment goals (BOD removal vs nitrification), solids load and hydraulic conditions, and consult the product datasheet or supplier for exact performance specs and recommendations.

What application scenarios are these polyurethane media best suited for?

They are used widely in municipal and decentralized sewage plants, industrial wastewater (food processing, breweries, textiles where biological treatment is needed), aquaculture/RAS and pond polishing, aquarium systems, greywater reuse, and retrofits/IFAS upgrades to increase biological capacity without expanding tanks. They work well when you need compact, robust biological polishing or ammonia conversion.

How should I install and size the MBBR media in my system?

Install media in a well-mixed tank with adequate aeration or mechanical mixing to keep carriers in motion; prevent media from escaping with appropriate screens or retention devices. As a rule of thumb many designs use a fill fraction in the range of roughly 30–60% of reactor volume (commonly around 40–60%), but exact sizing should be based on influent load (BOD/TKN), target removal rates and supplier design tables or a pilot test.

What maintenance is required and how long does polyurethane media last?

Maintenance is minimal: routinely inspect and remove entrained solids or large debris, clean screens and pumps, and monitor performance (effluent quality, DO, pressure). Periodic sampling and visual checks for clogging or fragmentation help decide if cleaning or replacement is needed. Polyurethane media are durable under normal biological conditions and typically last many years; lifespan depends on hydraulic/mechanical stress and chemical exposure.

Are there operational limits or compatibility concerns I should be aware of?

Avoid exposing the media to strong oxidants (high free chlorine), harsh solvents, heavy metals or toxic shocks that can kill biofilm. Extremely high suspended solids can cause clogging—pre-screening or settling may be needed. Ensure DO and mixing are appropriate for the biological process (aerobic vs anoxic zones) and include retention screens to prevent carryover into downstream equipment. When in doubt, run a small pilot or consult the supplier for compatibility with your specific wastewater and process.

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