Among other things, vehicle cabin pressure systems and vehicle cabin pressure techniques are described for a vehicle. The vehicle includes a cabin configured to seat a plurality of passengers; at least one inlet including at least one inlet fan; at least one occupancy sensor; and at least one processor configured to execute computer executable instructions, the execution carrying out operations including: receiving a signal from the at least one occupancy sensor indicating a number of passengers within the cabin; and controlling the at least one inlet to cause air that is or has been filtered to flow into the cabin and increase a pressure in the cabin to a predetermined level above an ambient pressure level outside the vehicle based on the number of passengers in the cabin.

Among other things, vehicle cabin pressure systems and vehicle cabin pressure techniques are described for a vehicle. The vehicle includes a cabin configured to seat a plurality of passengers; at least one inlet including at least one inlet fan; at least one occupancy sensor; and at least one processor configured to execute computer executable instructions, the execution carrying out operations including: receiving a signal from the at least one occupancy sensor indicating a number of passengers within the cabin; and controlling the at least one inlet to cause air that is or has been filtered to flow into the cabin and increase a pressure in the cabin to a predetermined level above an ambient pressure level outside the vehicle based on the number of passengers in the cabin.

An apparatus configured to purify air and sanitizing including a main base including one or more buttons configured to operate the apparatus, a lid attachable to the main base and that includes one or more ventilation perforations to intake air and an orifice to output purified air, a filter adjacent to the one or more ventilation perforations and enclosed in the lid, wherein the filter is configured to remove at least bacteria from atmospheric air and extract purified air, a fan configured to intake atmospheric air into the filter and blow purified air extracted from the filter outside of an orifice of the lid, a tank configured to store liquid, wherein the liquid includes at least liquid sanitizer, a pump configured to output liquid stored in a tank, and a cavity section that includes an outlet configured to output the liquid sanitizer in response to actuation of the pump.

An apparatus configured to purify air and sanitizing including a main base including one or more buttons configured to operate the apparatus, a lid attachable to the main base and that includes one or more ventilation perforations to intake air and an orifice to output purified air, a filter adjacent to the one or more ventilation perforations and enclosed in the lid, wherein the filter is configured to remove at least bacteria from atmospheric air and extract purified air, a fan configured to intake atmospheric air into the filter and blow purified air extracted from the filter outside of an orifice of the lid, a tank configured to store liquid, wherein the liquid includes at least liquid sanitizer, a pump configured to output liquid stored in a tank, and a cavity section that includes an outlet configured to output the liquid sanitizer in response to actuation of the pump.

A detoxification device for removing pathogens from air within an environment. The detoxification device may include a filtration media for catching and retaining particles larger than about 0.3 micrometers (μm) with an efficiency of at least 99%. The detoxification device may also include a heating element having a metallic foam. The heating element may be heated upon application of an electrical current to the heating element. The heating element may, upon being heated, heat the filtration media to a target temperature that is effective to kill a pathogen.

A detoxification device for removing pathogens from air within an environment. The detoxification device may include a filtration media for catching and retaining particles larger than about 0.3 micrometers (μm) with an efficiency of at least 99%. The detoxification device may also include a heating element having a metallic foam. The heating element may be heated upon application of an electrical current to the heating element. The heating element may, upon being heated, heat the filtration media to a target temperature that is effective to kill a pathogen.

A water absorption treatment material absorbs a liquid containing a malodorous substance, and includes a first grain and a second grain. The first grain contains a metal having a deodorizing function. The second grain does not contain a metal having a deodorizing function.

A water absorption treatment material absorbs a liquid containing a malodorous substance, and includes a first grain and a second grain. The first grain contains a metal having a deodorizing function. The second grain does not contain a metal having a deodorizing function.

The present application provides a wall-mounted air purifier, including a casing, a filter, and a fan mounted in the casing. The casing is provided with an air inlet and an air outlet. The air outlet is located at a position corresponding to an outlet of the fan, the filter is located between the air inlet and the fan, and the casing is provided with a socket for plugging and unplugging the filter, the filter can be detachably inserted into the casing through the socket. In the wall-mounted air purifier provided in this application, a socket is provided on the casing, so that the filter can be plugged into and unplugged from the socket, which is convenient for replacing.

A method for capturing material extracted from biochar is provided comprising the steps of: (i) providing a biochar; (ii) contacting the biochar with an extraction media, where the extraction media causes the removal of residual compounds from the pores and surface of the biochar, creating a resulting extract comprised of the extraction media and removed compounds; and (iii) collecting the resulting extract. The method also can include other steps of extraction and purification. The method further comprises the step of applying the resulting extract to seeds, plants, soil, other agricultural products, or for use in other applications. A biochar having high levels of soluble signaling compounds is also provided, where the biochar is derived from a biomass source that together with predefined pyrolysis parameters produces resulting biochar having increased levels of soluble signaling compounds that are known to increase seed germination rates and early plant growth. Such soluble signaling compounds can then be collected in a biochar extract by contacting the biochar with an extraction media.