Kodi ma VOC, ma VOC ndi ma TVOC ndi chiyani?

1. VOC

Zinthu za VOC zimatanthauza zinthu zachilengedwe zosakhazikika. VOC imayimira zinthu zachilengedwe zosakhazikika. VOC kwenikweni ndi lamulo la zinthu zachilengedwe zobereka; Koma tanthauzo la kuteteza chilengedwe limatanthauza mtundu wa zinthu zachilengedwe zosakhazikika zomwe zimagwira ntchito, zomwe zingabweretse mavuto.

Ndipotu, ma VOC akhoza kugawidwa m'magulu awiri:

Limodzi ndi tanthauzo la VOC, lokhalo lomwe ndi mankhwala osakanikirana achilengedwe kapena pansi pa mikhalidwe yomwe ndi mankhwala osakanikirana achilengedwe;

Chinanso ndi tanthauzo la chilengedwe, ndiko kuti, zomwe zimagwira ntchito, zomwe zimayambitsa mavuto. N'zoonekeratu kuti kusinthasintha kwa kutentha ndi kutenga nawo mbali mu zochitika za photochemical mumlengalenga ndizofunikira kwambiri kuchokera ku malingaliro a chilengedwe. Kusasinthasintha kapena kusatenga nawo mbali mu zochitika za photochemical mumlengalenga sikoopsa.

2. VOCS

Ku China, ma VOC (volatile organic compounds) amatanthauza ma organic compounds okhala ndi nthunzi yokhuta kuposa 70 Pa kutentha kwabwinobwino ndi kutentha kotsika pansi pa 260℃ pansi pa kuthamanga kwabwinobwino, kapena ma organic onse okhala ndi nthunzi yofanana amakhuta paka kuthamanga kwa nthunzi koposa kapena kofanana ndi 10 Pa pa 20℃.

Kuchokera pakuwona kwa kuyang'anira zachilengedwe, limatanthauza ma hydrocarbon onse osakhala a methane omwe apezeka ndi chowunikira cha hydrogen flame ion, makamaka kuphatikiza ma alkanes, aromatics, alkenes, halohydrocarbons, esters, aldehydes, ketones ndi mankhwala ena achilengedwe. Nayi chinsinsi chofotokozera: VOC ndi VOCS kwenikweni ndi gulu lomwelo la zinthu, ndiko kuti, Volatile Organic Compounds chidule, chifukwa Volatile Organic Compounds nthawi zambiri imakhala ndi zigawo zoposa chimodzi, kotero VOCS ndi yolondola kwambiri.

3.TVOC

Ofufuza za ubwino wa mpweya wa m'nyumba nthawi zambiri amatchula zinthu zonse zamkati zomwe zimatchedwa kuti Volatile Organic Compound, zomwe zimayimira chilembo choyamba cha mawu atatu akuti Volatile Organic Compound, omwe mawu omwe amayesedwa amadziwika kuti Total Volatile Organic CompoundS (TVOC). TVOC ndi imodzi mwa mitundu itatu ya kuipitsa mpweya yomwe imakhudza ubwino wa mpweya wa m'nyumba.

Bungwe la World Health Organization (WHO,1989) linatanthauzira total volatile organic compounds (TVOC) ngati volatile organic compounds yokhala ndi melting point pansi pa kutentha kwa chipinda ndi bolling point pakati pa 50 ndi 260℃. Imatha kusungunuka mumlengalenga kutentha kwa chipinda. Ndi poizoni, wokwiya, woyambitsa khansa komanso fungo lapadera, lomwe lingakhudze khungu ndi mucous membrane ndikuwononga thupi la munthu mwachangu.

Mwachidule, ubale pakati pa atatuwa ukhoza kufotokozedwa ngati ubale wophatikizidwa: