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BDGF biological carrier

BDGF is a water treatment biological carrier product based on polymer hydrophilic materials. It is inspired by Japanese design and refers to about 20 years of application experience in Japan. Our technical research and development team started to develop soft biological carriers in 2010. After 6 years of design and development, we finally chose the soft biological carrier with high hydrophilicity, bio-affinity, abrasion resistance, air permeability and strong specific surface area. The new polymer material is used as the base material of the biological carrier, and it came out in 2016. After 5 years of small and pilot tests, it will finally be put into large-scale production in 2020. As a biological carrier, BDGF is ahead of similar domestic products.
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 Product introduction

BDGF is a water treatment biological carrier product based on polymer hydrophilic materials. It is inspired by Japanese design and refers to about 20 years of application experience in Japan. Our technical research and development team started to develop soft biological carriers in 2010. After 6 years of design and development, we finally chose the soft biological carrier with high hydrophilicity, bio-affinity, abrasion resistance, air permeability and strong specific surface area. The new polymer material is used as the base material of the biological carrier, and it came out in 2016. After 5 years of small and pilot tests, it will finally be put into large-scale production in 2020. As a biological carrier, BDGF is ahead of similar domestic products.

BDGF biological carrier has good hydrophilicity. The unique wall structure greatly improves the specific surface area for biological cultivation. The load of microorganisms is large, and the volume load is high. The surviving microorganisms are not easy to lose under the shearing action of water and air, so that the ammonia nitrogen and total nitrogen in the sewage can be reduced at the same time. At the same time, it also has the advantages of strong ability to cut air bubbles, large utilization rate of space volume, no dead zone, etc., and has a soft texture and no wear to water treatment equipment. It is an ideal product for microbial carriers in current biological treatment technology.

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 Product features


1.Excellent hydrophilicity - fluidization, mass transfer

2.The roughness of the surface of the material body-specific surface area, implantation rate

3.Structural design - specific surface area, structural strength

4.no wear on structures



Product advantages

1.Good hydrophilicity: easy to absorb water, not to absorb oil stains, fast film formation, fast sedimentation when encountering water; easy to fluidize, adapt to many structures

2.High processing capacity: the special wall structure has a large specific surface area; the amount of biological film is rich, and the simultaneous nitrification and denitrification SND

3.The amount of sludge is small: the sludge stays for a long time, and the higher microorganisms are abundant; the remaining sludge is reduced, and the use of chemicals is reduced

4.Long service life: gel filling, good wear resistance; anti-aging, service life up to 15 years

Research and development direction of BDGFcarrier

1. On the premise of ensuring structural strength and hydrophilicity, optimize the formula and optimize the cost


2. Microbial embedding products combined with bio-augmentation technology for start-up and debugging problems


3. Higher specific surface area, more extreme hydrophilicity, better structural strength


4.More energy saving and environmental protection.

Some application cases

1. Rural sewage purification tank project-helping the construction of beautiful countryside

部分应用案例图1 

2. Food factory wastewater treatment renovation project site

部分应用案例图2 

3. Slightly Polluted Water Treatment Project Application Site - Helping Sponge City Construction

部分应用案例图3 

4. Tail water standard upgrading water treatment project site-helping standard upgrading and transformation

部分应用案例图4 

5. High-speed service area sewage treatment project

部分应用案例图5

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