Unverified88% confidenceFactTime unknown
竹炭本身不分解甲醛,只是物理吸附,饱和后会二次释放;活性炭吸附3-6个月需暴晒再生一次,否则'吸满'后反成污染源
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88%
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Long-term
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Unverified活性炭本身不分解甲醛只做物理吸附,饱和后(约20-30天)会二次释放,必须定期暴晒或更换,长期不管理反而成为污染源90% similarUnverified活性炭为物理吸附而非分解,约2-4周吸附饱和后需暴晒复用或更换,长期不处理会二次释放污染物,反而变成污染源89% similarUnverified活性炭对甲醛为物理吸附而非分解,饱和后会二次释放,同一批炭包实际有效吸附期约20-30天,超期未更换或未晾晒等于无效88% similarUnverified竹炭对甲醛的吸附是物理吸附而非分解,饱和后会二次释放,用于除甲醛时须每2-4周置于阳光下暴晒4小时以上再生,否则失效87% similarUnverified活性炭属于物理吸附而非分解,一般2-4周即达吸附饱和,饱和后不晾晒复用会缓慢释放已吸附污染物形成二次污染,需定期暴晒或每月更换87% similar
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