Unverified75% confidenceCautionTime unknown
活性炭对甲醛只能吸附不能分解，靠它彻底治理超标严重的新房不现实；甲醛治理的根本是通风换气，炭包只作辅助且需高频更换
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75%
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Long-term
Relevance
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Unverified活性炭对甲醛的吸附效率有限且缓慢，重度污染（甲醛超标2倍以上）不应依赖炭包解决，应以通风+光触媒/新风为主，炭包仅作辅助88% similarUnverified活性炭包不能替代通风换气，密闭空间内吸附饱和后甲醛浓度会回升，长期无人开窗的新车/新房不建议只依赖炭包除醛86% similarUnverified活性炭对甲醛的吸附能力弱且缓慢，甲醛超标严重（超标2倍以上）时活性炭袋只能辅助，不能替代通风与专业治理；把炭包当作除甲醛主力会延误治理85% similarUnverified活性炭是被动吸附，只能吸附接触到的空气分子，无法主动分解甲醛；重度污染应以通风为主、活性炭为辅，不能依赖炭包替代开窗通风85% similarUnverified活性炭包吸附是被动扩散，除甲醛效率远低于开窗通风和空气净化器，仅能作为通风不便时的辅助手段，重度装修污染不该单靠炭包解决85% similar
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