Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/h3>\n

M\u00e0ng l\u1ecdc TiO2 c\u00f3 th\u00e0nh ph\u1ea7n h\u1ea1t TiO2 nano (c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 m\u1ea1nh b\u1ee9c x\u1ea1 tia c\u1ef1c t\u00edm UV (hv)), \u0111\u01b0\u1ee3c xem nh\u01b0 ch\u1ea5t\u00a0 x\u00fac\u00a0 t\u00e1c\u00a0 quang,\u00a0 d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a tia UV\u00a0 c\u01b0\u1eddng \u0111\u1ed9 m\u1ea1nh h\u00ecnh th\u00e0nh l\u1ed7 tr\u1ed1ng \u0111i\u1ec7n t\u1eed (s\u1ef1 thi\u1ebfu h\u1ee5t \u0111i\u1ec7n t\u1eed c\u1ee7a nguy\u00ean t\u1eed ho\u1eb7c c\u1ea5u tr\u00fac tinh th\u1ec3 nguy\u00ean t\u1eed) v\u00e0 t\u1ea1o ra c\u00e1c g\u1ed1c t\u1ef1 do hydroxyl -OH (do oxy h\u00f3a n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra c\u00e1c g\u1ed1c hydroxyl ho\u1eb7c ph\u1ea3n \u1ee9ng kh\u1eed Oxy).<\/p>\n

M\u1ed9t s\u1ed1 h\u00ecnh \u1ea3nh m\u00e1y uv x\u1eed l\u00ed kh\u00ed th\u1ea3i:<\/strong><\/h3>\n

<\/p>\n

 <\/p>\n

Nguy\u00ean l\u00ed ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/h3>\n

<\/p>\n

 <\/p>\n

– C\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra khi UV chi\u1ebfu v\u00e0o m\u00e0ng TiO2:<\/strong><\/p>\n

\n
• TiO2 + hv \u2192 e(-) + h(+)<\/li>\n<\/ul>\n

  – Ph\u1ea3n \u1ee9ng oxy h\u00f3a do hi\u1ec7u \u1ee9ng quang x\u00fac t\u00e1c:<\/strong><\/p>\n

  \n
  • h(+) + H2O \u2192 H(+) + (-)OH<\/li>\n
  • 2h(+) + 2H2O \u2192 2H(+) + H2O2<\/li>\n
  • H2O2 \u2192 2 (-)OH<\/li>\n<\/ul>\n

    – Ph\u1ea3n \u1ee9ng kh\u1eed do hi\u1ec7u \u1ee9ng quang x\u00fac t\u00e1c:<\/strong><\/p>\n

    \n
    • e(\u2212) + O2 \u2192 (-)O2(\u2212)<\/li>\n
    • (-)O2\u2212 + H2O + H(+) \u2192 H2O2 + O2<\/li>\n
    • H2O2 \u2192 2 (-)OH<\/li>\n<\/ul>\n

      B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt M\u00e1y UV x\u1eed l\u00ed kh\u00ed th\u1ea3i:<\/strong><\/h3>\n

      <\/p>\n

       <\/p>\n

      <\/p>\n","protected":false},"excerpt":{"rendered":"

      M\u00e1y UV kh\u1eed m\u00f9i c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c x\u1eed l\u00fd m\u00f9i nh\u1ef1a t\u00e1i ch\u1ebf, m\u00f9i s\u01a1n c\u00f4ng nghi\u1ec7p, kh\u00f3i b\u1ebfp c\u00f4ng nghi\u1ec7p, m\u00f9i x\u01b0\u1edfng c\u1eaft CNC, c\u1eaft Laser, x\u01b0\u1edfng in, x\u1eed l\u00fd m\u00f9i kh\u00ed th\u1ea3i c\u00f4ng nghi\u1ec7p, lo\u1ea1i b\u1ecf h\u1ee3p ch\u1ea5t VOCs, m\u00f9i kh\u00f3 x\u1eed l\u00fd nh\u01b0 \u00a0Hy-drogen sulfide, methyl hydro, methyl mercaptan, h\u1ee3p ch\u1ea5t benzen, Formaldehyd t\u1ea1o th\u00e0nh c\u00e1c ph\u00e2n t\u1eed v\u00f4 h\u1ea1i nh\u01b0 CO2, H2O, CO, HO,…<\/p>\n","protected":false},"featured_media":3416,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[166],"product_tag":[730,731],"class_list":{"0":"post-2309","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-he-thong","7":"product_tag-may-uv","8":"product_tag-may-uv-xu-li-khi-thai","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"\n