quickest way is ventilation, and then buy more charcoal, put a little every corner of activated carbon to absorb odors and formaldehyde paint the most effective, generally paint shop has a sale. You can also go to buy a few boutique ornament made of activated carbon discharge home, both beautiful and can absorb the remaining gas fitting.
according to the strength of the ability to clean indoor air, to parts of the plant row "seating":
first, Chlorophytum: Chlorophytum pot 8-10 square meters in the room is equivalent to an air purifier, it can be within 24 hours, killing 80% of the room of harmful substances, absorb 86% formaldehyde; can stove, electrical appliances, plastic products emitted carbon monoxide, nitrogen oxide absorption exhausted.
second, Sansevieria (including Pleione huge leaves and other foliage plants): pot Sansevieria can absorb about 10 square meters room more than 80% of harmful gases, two basins Sansevieria can substantially within the general indoor air completely purified. Sansevieria during the day can also release a lot of oxygen.
third, aloe: Flower proverb says, "spider plants are strong opponents of aloe, formaldehyde scared hiding away." In the light for 24 hours, you can eliminate one cubic meter of air contained in 90% formaldehyde.
fourth, Ivy: a pot of ivy will kill within 8-10 square meters room 90% of benzene, able to deal with bacteria and other harmful substances from the outside brought back, even vacuum cleaners are difficult to absorb even breathe dust.
fifth, agave: in a room about 10 square meters, can eliminate 70% of benzene, 50% and 24% formaldehyde trichlorethylene.
sixth, Rose: can absorb more hydrogen chloride, hydrogen sulfide, phenol, ether and other harmful gases.