Bioengineering Ltd. has developed technologies for advanced biological treatment processes of waste water (Technology based bio-augmentation TBB and Technologies on the basis of selected microorganisms TBSM). The advantage of these procedures is that much more effective work of the classical biological system and can be easily applied to existing systems that should be improved. The basic advantage of this technology its application in already existing infrastructure rather than building new. This provides a great investment savings where the industry does not have to invest considerable funds in upgrading the device, but with the already existing level of development can achieve the necessary results of treatment.

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Significant reduction of the basin volumes where the processes of equalization, biological treatment and secondary sedimentation take place.

The purified water is guarantied to be within the limitations of Annex I to Directive91/271/EEC

The technology can be used in new wastewater treatment plants and also can be applied in already existing technologies with bioactive sludge, with the purpose of increasing the water purification level

Degradation of almost non degradable matters in the wastewater is done in the same time limits as the easily degradable matters, which does not require expansion of the existing volumes and construction of new bioreactors.By implementing this technology the expenses for maintenance of the system drop, which makes our technology superior over any classic wastewater treatment technology.

The trained personnel can easily control the system for biological treatment of the wastewater.

That is because the biological treatment of the wastewater is conducted with the usage of microorganisms, that are previously selected, isolated and adapted to different surroundings (different types of wastewater). After the isolation of the microorganisms only the ones who show the best biological characteristics: biological activity, adaptability and stability, are used in our technologies. The selected microorganisms in form of mixed culture go trough a series of biological tests to optimize the wastewater treatment process.

The classic SBR technology has more of a technical character, which means that the microorganisms present in these systems do not undergo any previous selection or adaptation. The SBR technology keeps up the biological activity by constructing very big volumes to ensure the biological process.

With our patented technology, we ensure a low hydraulic retention time (HRT) to only several hours which at the end makes a remarkable difference in the size of the pool volumes, which also makes the initial investments even lower.

And of course this is very important to every municipality that can only offer a small land area for construction of the wastewater treatment plant.

Our technology ensures a high quality of purified water with low concentrations of nitrogen, phosphorus and other biogenic elements, which are the cause for eutrofication of the recipient ecosystems.

The technologies that we offer are also very rational in the means of electric energy savings, and that is all because of our nitrification pool only need a small amount of oxidation.
The surplus sludge is very low compared to the classic SBR technology, which means that there is no need of extra sedimentation tanks for sludge stabilization.

And at the end, one of the biggest advantages of our technology is that it uses the results of many years of fundamental research of the laboratory for environmental microbiology at the Faculty of Natural Sciences and Mathematics in Skopje. Many of the brand new practice experiences and discoveries are implemented our technology. Behind our technology stands a team that is highly biotechnologically experienced, which team can control and monitor the performance of the wastewater treatment plans at any given time. And last but not least, it is made in R. of Macedonia.

Bioengineering’s BIG-G10-1000 treatment plants comprise a single tank (unitank). Within the tank there are three treatment stages: biological treatment (biozone- nitrification and denitrification) and humus settlement.

Working procedure of BIG-G®
The flow from inlet to outlet is by gravity. The incoming wastewater is received in the denitrification zone. Flow from the primary zone passes forward into the nitrification zone. The biozone contains a number of sections (depending on the plant size and required discharge consent. The high surface area of the media encourages the growth of the previously selected microorganisms (biomass) which treat the wastewater.
Air, by means of above ground blower(s), is introduced below the media. The air fulfils two functions: supplying the oxygen required by the biomass; scouring the media, removing excess biomass. The combination of treated wastewater and excess humus solids is transferred forward into the humus settlement zone. In this zone the humus solids settle to the bottom of the tank with the treated water (final effluent) being discharged at the top.
The humus solids (humus sludge) which settle to the bottom of the tank are transferred to the denitrification zone by means of an airlift pump, and the surplus sludge is ultimately removed by the dislodging operation.
Awards:
1. Gold medal for ecology and science at the 57th IENA Nuremberg “Ideas-Inventions-Products”, Germany, the world’s leading exhibition for inventors, 8-12.11.2005 in competition with 30 countries and 680 patents and inventions. 
2. Gold placket from the Ministry of science and education from the Russian federation IENA Nuremberg “Ideas-Inventions-Products” 8-12.11.2005 year.
3. Patent of the year 2005 in Republic of Macedonia 5.12.2005 year, Skopje.


WASTEWATER TREATMENT PLANTS BIG-G


Bioengineering lunched the new line of wastewater treatment plants so called BIG-MF©, for industrial and municipal wastewater treatment. This technology is an upgrade of the already existing BIG-G©. This type of WWTP uses microfiltration membranes as a tertiary treatment of the wastewater.  With this technology we are able to obtain high level of purification (the effluent is from I category).

The MF process is a system of microfiltration membranes positioned inside or out the BIG-G©. The usage of this technology results with the highest quality of effluent water, that is in accordance with the strictest criteria.
Working procedure of the MF technology
The working procedure of the membrane filtration is based on separation of the solid matters suspended in the water with the help of pressure difference. The liquid media (in most cases, water) passes trough the membranes, while the solid particles stay in the inside of the membrane, from where they are automatically removed.
Advantages:
Maximal quality of the effluent, as a result of the complete separation of the solid particles from the water. 
Realization of the hygiene standards as a result of high level of bacterial and viral separation with the process of MF.
High concentration of active biomass, which achieves reduction of the aeration pool volume by 70%.
Extraction of the bio film that is created on the surface of the membrane with a minimal energy operating cost.
The periodic disinfection of the system protects it from contamination
Total automatic filtration, which depends on trans membrane pressure, with automatic self cleaning when the pressure exceeds the limits. After the pressure normalization, the filtration goes back to normal mode also.
The modular construction allows easy detection and replacement of the individual units.
Replacement of individual or all membrane segments.


WASTEWATER TREATMENT PLANTS BIG-MF


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