Unverified83% confidenceDecision RuleTime unknown
除甲醛需活性炭+光触媒/冷触媒双重技术，且活性炭克重≥50g才有效；单靠负离子无法分解甲醛，仅能沉降部分颗粒物
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Unverified除甲醛能力看甲醛CADR和活性炭滤芯克重，真正有效除醛需活性炭重量≥1kg且采用改性/椰壳活性炭，仅标注'除甲醛'但克重不透明的机型多为噱头84% similarUnverified除甲醛能力看甲醛CADR而非颗粒物CADR，且活性炭滤网需≥500g载碳量才有持续吸附效果，廉价机型碳含量低易饱和释放二次污染83% similarUnverified新房除甲醛必须看甲醛CADR(而非颗粒物CADR)，甲醛CADR≥300且滤芯含活性炭≥1kg才有实际效果，标称'除醛'但活性炭量少的机型基本无用83% similarUnverified新装修除甲醛应看甲醛CADR而非颗粒物CADR，且要求活性炭滤芯重量≥2kg，克重不足的净化器除醛只是短期吸附会二次释放82% similarUnverified除甲醛需看甲醛CADR而非颗粒物CADR，二者是独立指标；有效除醛甲醛CADR应≥100m³/h，且优先选活性炭+改性锰系催化滤网，纯活性炭吸附饱和后会二次释放81% similar
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