Product introduction:

As a result of many years of research and development, a structured filter media has been developed. BIO-BLOK has proved extremely efficient in biological treatment of domestic sewage, industrial wastewater and process water within the aquaculture field.As a microbial carrier in biochemical wastewater treatment, fixed bed biological filler has been widely used in small sewage treatment projects in Europe.  

Product advantages:

When bacteria (biological film or bio-film) grow on a level surface, the specific surface area will remain constant even with the establishment of a thicker bio-film.

BIO-BLOK , however, is designed as a helical structure, based on oval threads with a defined diameter. If these threads become thicker due to growth in the thickness of the bio-film, the specific biologically active surface increases correspondingly.

Packing material for the modification of HDPE, in polyolefins, a corrosion resistant, high temperature resistant, aging resistant high quality plastic, and uv resistance, oxidation resistance, water and other additives to improve the performance, after the special craft processing and become, tailored for sewage treatment, the service life can reach more than 20 years.

A biological wastewater treatment plant in which BIO-BLOK^® filter media has been installed has thus unique flexibility , if necessary, the ability to increase its capacity to handle flow variations and load changes, which inevitably occur in the inlet to all wastewater treatment plants.

Product structure:

Biological growth on BIO-BLOK  Biological growth on BIO-BLOK  with smooth surface. with rough surface.

1.The filter media should have a relatively rough surface in order to enhance rapid establishment of a biologically active surface (bio-film).

2.The filter media must have a structure that makes back wash and cleaning operations on site possible. Canals have to be vertical and through the entire media column.

3.The filter media must have a structure that ensures optimal oxygen transfer to the bio-film i.e. it must have sufficiently high porosity.

4.The filter media must never clog and it must have self-cleaning properties. The structure must allow shed bio-film fragments to pass unhindered throughout the filter.

5.The filter media modules should be constructed with circular or oval threads. Bacterial growth on a circular or oval surface increases the diameter, thus increasing the specific biologically active surface area. (Please note! This is in opposition to media with surfaces on which the specific biologically active surface area is constant).

6.The filter media has to be biologically and chemically non-degradable.

7.The filter media must be self-supporting and mechanically strong. It must be able to carry overlying material and personnel should be able to walk freely and perform service tasks without deformation of the media.

8.The filter media must be UV stable and it must tolerate potential variations in temperature.

9.The filter media should be made from an environmentally compatible material (i.e. no PVC compounds or glue).

10.The filter media must be modular and easy to handle. This will ease installation and potential temporary removal in order to perform service tasks below the filter.

The filter media must be easy to fit into type of tank or bio-reactor without any waste of

Product application:

The surface acts as a substrate for specialised bacterial strains, which are able to treat and degrade a wide range of wastewater qualities. The treatment capacity of a biological filter depends on the quantity of bacteria that the filter can sustain. The larger a specific surface area is, the larger the bacterial population. Future construction, refurbishment or upgrading of biological wastewater treatment plants is merely a matter of creating optimal ‘living conditions’ for the bacteria. BIO-BLOK has excellent properties in this respect, and the result is an increase in treatment capacity.