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How can secondhand smoke be avoided? Is there something that can be filtered? Smoke is divided into two parts. tobacco leaves are non-toxic.The burning mixture of tobacco leaves and paper is the most terrible.However, the existing products generally do not play any role. most of them are exaggerated propaganda.It is also necessary to have space, time and environmental impact.However, I think Teng plants can absorb a lot of carbon dioxide in the air and release oxygen, which should be useful.In addition, the removal of air ion purification gas in Yadu should also have a role.The most effective thing is no smoking!The most effective way at the moment is to use second-hand smoke filters.Second-hand smoke filter is a personal purification device for the purification of second-hand smoke emitted by smokers.It consists of smoke cover, ventilation bracket, coarse filter, activated carbon filter, water filter, fan and power switch, cigarette holder.After wearing the device on the head,Smoke filters the rear row i
What are the main measures for boiler water treatment and energy saving? Boiler Water Treatment measures mainly include water supply (I .e. supplementary water of boiler) treatment and condensate (I .e. Condensate recovered by steam turbine condensate or process flow) treatment, oxygen removal from water supply, ammonia addition to water supply and dosing in the pot.Supply water treatment, due to the different degree of steam use (heating or power generation) and condensate recovery, the amount of water supplied by the boiler is also different.The amount of water supplied by the solar power station boiler is generally lower than 3% of the evaporation, and the amount of water supplied by the heating boiler can be as high as 100%.1 pretreatment: when the raw water is surface water, the purpose of pretreatment is to remove suspended matter, colloidal matter and organic matter in the water.It is usually added to the raw water (such as aluminum sulfate, etc.) to condense the above impurities into large pa
