38 Craven Street

WC2N 5NG London, UK

Via Bandello 16,

20123  Milan

U-earth Biotech ©2019

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U-earth the science behind clean air

Those who have tried it don’t change back.


The extraordinary performance of the U-Earth air purification systems is achieved thanks to three fundamental components on which the technology is based:


  1. AIRcel bioreactors, produced in various sizes, covered by international patents.

  2. U-Ox, an additive based on genetically unmodified, non-pathogenic micro-organisms and enzymes in a completely natural proprietary formula.

  3. the know-how of the U-Earth technicians based on 20 years of research and experience in the field.


For over 30 years the research on the use of bacteria, enzymes and consortia of microorganisms in the field of environment has been pursued and applied to various problems.

Among the most well-known are bioremediation for decontamination of land from hydrocarbons and the use of free cell biomass in the purification of wastewater.


U-Earth technology is the evolution of the free cell system in an immobilized cell system where the U-Ox additive of micro-organisms that are selected, acclimatized for contaminants and bottled in dormant conditions in our laboratories in the USA, are in the ideal conditions for triggering the phenomena of capture and digestion of the compounds in extremely efficient, miniaturized freestanding systems.


The system consists of a freestanding patented air purification bioreactor called AIRcel Clean Air Plant®, to be connected to the power socket. The user only needs to add water that evaporates during functioning (every 5-6 days), and an additive enzyme called 

U-Ox® every 30 days.


Every 4 months it is advisable to completely drain and rinse the bioreactors of any (harmless) waste deposited on the bottom.



Before the introduction of bio-hygienic technology, the process of bio-oxidation had constraints of space and time. At first, the system used free cell technology, which was a slow process, not applicable to indoor environments and caused disruption in the disposal.

Recent advances in immobilized cell technology have developed the process of bio-oxidation. Combined with the design of the BioStack® Cartridge Element in our bio-system, the immobilization technology is the passage through which the strongpoint of enzymes and micro-organisms is made available to small users.


Immobilized biofilms are a subset of immobilization technology. The immobilized cells are far superior to free cells for the following reasons:


  • the cells are arranged back to back and are not exposed to attack by chemicals or microbes

  • the cells form a thin protective gel that makes it even more resistant to highly toxic components

  • the immobilized cells remain in the biofilm and not in the bottom of the tank as happens with the free cells

  • can be used to clean both air and water

  • do not wash away when a high flow of liquid is used

  • the biofilm is reusable: the water or air can be recycled in the same biofilm thousands of times thus increasing the productivity and efficiency.


Within each AIRcel and every WATERcel is a BioStack® Cartridge Element.


The BioStack® element has a spiral configuration which maximizes the surface space, eliminates the "gaps" and does not require replacement. Thanks to the effective coating of the entire element with a bio-organic film, this active surface digests all types of VOC and organic components eliminating odours and the air contaminants that they create.


The configuration of the BioStack® generates an electrically neutral "pure zone" that attracts both the positively and negatively charged particles. Particulate matter, gases and vapours are captured inside the unit, biologically oxidized by the microorganisms and enzymes and finally eliminated. As a result of this process both clean air and water are obtained. This unique solution of the BioStack® Cartridge Element in the unit, which uses biological oxidation to "chop" the contaminants present in the air and water, has proven fast, effective and economic in small, compact treatment installations.


Particulate captured, visible in bioreactors:


after 3 days



after 15 days