A self-power air refresher system includes an air refresher apparatus and a plant microbial fuel cell (PMFC). The air refresher apparatus includes a fan, a filter located on an air-outlet path of the fan, and an energy storage device connected to the fan. The PMFC is disposed on the air-outlet path and includes soil contained in a container, a plant planted in the soil, and a first and second electrodes. The interaction between roots of the plant and microorganisms near the roots generates electrons, and the electrons are transmitted to the energy storage device through the first and second electrodes installed in the soil so as to enable the energy storage device to supply power to the fan. The air that has passed through the filter enters the soil of the PMFC, and is filtered by the plant and then discharged from the container.

The invention provides an air purifier with independent duel channel, which has separate first channel portion and second channel portion, wherein the first channel portion is used to filter particulate matters in the air and the second channel portion is used to purify the air. The invention mainly separates the channels and processes of the filtered air and the purified air, and more matches the selection of specific suction fan and intake fan so as to meet the different flow velocities required for air filtration and purification respectively, thereby achieving the optimal air filtration and purification effects, and improving the ineffective problem caused by the simultaneous filtration and purification of the air in the same channel of the existing air purifier.

The present disclosure relates to a plant purification device and control method thereof. A plant purification device includes a plant purification unit and a physicochemical purification unit with adjustable use efficiency, wherein, the physicochemical purification unit is communicated with the plant purification unit; the plant purification device further includes a control module, a contaminant concentration sensor for detecting concentration of indoor contaminants, an air speed detector for detecting air speed of gas entering the plant purification unit, and a fan for driving gas to be supplied into the plant purification unit from the physicochemical purification unit, wherein, the control module is used to adjust the use efficiency of the physicochemical purification unit according to the concentration of indoor contaminants, adjust rotating speed of the fan according to a detection signal of the air speed detector, and further control the air speed of the gas entering the plant purification unit.

The invention provides an air purifier with independent duel channel, which has separate first channel portion and second channel portion, wherein the first channel portion is used to filter particulate matters in the air and the second channel portion is used to purify the air. The invention mainly separates the channels and processes of the filtered air and the purified air, and more matches the selection of specific suction fan and intake fan so as to meet the different flow velocities required for air filtration and purification respectively, thereby achieving the optimal air filtration and purification effects, and improving the ineffective problem caused by the simultaneous filtration and purification of the air in the same channel of the existing air purifier.

A self-power air refresher system includes an air refresher apparatus and a plant microbial fuel cell (PMFC). The air refresher apparatus includes a fan, a filter located on an air-outlet path of the fan, and an energy storage device connected to the fan. The PMFC is disposed on the air-outlet path and includes soil contained in a container, a plant planted in the soil, and a first and second electrodes. The interaction between roots of the plant and microorganisms near the roots generates electrons, and the electrons are transmitted to the energy storage device through the first and second electrodes installed in the soil so as to enable the energy storage device to supply power to the fan. The air that has passed through the filter enters the soil of the PMFC, and is filtered by the plant and then discharged from the container.

The invention relates to a module for ventilation equipped with a biological system for purification of indoor and/or outdoor air of an environment having a box body with a first (2) and a second (4) wall facing each other, and at least one of the first and the second wall comprising a sheet made of a material transparent to light; a pair of sidewalk (6) each one connected to the first (2) and second wall (4) and adapted to close the box body laterally; a base (3) and a lid (5) each one connected to the pair of sidewalk (6) and to the first (2) and second (4) wall to close the box body at the bottom and at the top respectively; a purification chamber (30) where a biofilter (10) is arranged for purifying an input air flow (A) entering the module (1).

Disclosed is an air purifier, which comprises a shell with an air inlet and an air outlet, an ecological purification system with a flowerpot assembly, a microorganism box and a water tank arranged in sequence, a filtering system, and a control system for carrying out control. The water of the ecological purification system flows through the filtering system to bring dust and VOCs adsorbed by the filtering system into the ecological purification system for purification. The flowerpot assembly comprises a flowerpot. The water of the water tank enters the flowerpot via a water inlet, and when the water level is higher than a water outlet, the water flows through the microorganism box and then enters the water tank, so as to form the water circulation. The air purifier is simple in structure, easy to operate and low in cost, and has a high purification efficiency for air pollutants, especially VOCs.

The present disclosure generally relates to plant-based air purification systems and more particularly to wall mounted systems for removing impurities from indoor air using plants.

The present disclosure generally relates to plant-based air purification systems and more particularly to wall mounted systems for removing impurities from indoor air using plants.

There is disclosed a system and process for purifying air. The system includes a housing and a plurality of inner and outer chambers. A solution of water and a biological reagent is configured to flow around the inner and outer walls of the inner and outer chambers while air is passed adjacent to this fluid flow. This causes an interaction between the air and the fluid solution to cleanse the air. The air is then discharged from the chamber.