Octyl phenol yog ib qho organic compound uas tau pom nws txoj hauv kev rau ntau yam ntawm peb ib puag ncig. Raws li tus neeg muag khoom ntawm octyl phenol, Kuv muaj qhov sib sib zog nqus - zaum txaus siab rau kev nkag siab qhov twg cov tshuaj no tuaj yeem kuaj pom nyob rau ib puag ncig. Qhov kev paub no tsis tsuas yog pab peb hauv kev tswj hwm cov khoom lag luam, tab sis kuj tseem hais txog kev txhawj xeeb ntawm ib puag ncig cuam tshuam nrog nws.
Cov peev txheej muaj
Ib qho ntawm thawj qhov chaw uas muaj octyl phenol tuaj yeem pom yog nyob rau hauv cov chaw lag luam. Nws yog feem ntau siv rau hauv kev tsim cov surfactants, uas yog cov khoom uas txo qhov nro ntawm ob lub kua lossis nruab nrab ntawm cov kua thiab cov khoom. Surfactants yog qhov tseem ceeb hauv ntau txoj kev lag luam, xws li hauv kev tsim cov tshuaj ntxuav tes, pleev xim, thiab cov nplaum.
Hauv kev lag luam tshuaj ntxuav tes, octyl phenol ethoxylates, derivative ntawm octyl phenol, feem ntau siv vim lawv cov khoom tu zoo. Cov tebchaw no tuaj yeem tso tawm rau hauv ib puag ncig thaum lub sijhawm tsim khoom, los ntawm kev tso dej pov tseg. Piv txwv li, cov chaw tsim khoom uas tsim cov tshuaj ntxhua khaub ncaws tuaj yeem tso cov kua dej uas muaj octyl phenol rau hauv cov dej nyob ze.
Kev lag luam xim yog lwm qhov tseem ceeb. Octyl phenol tuaj yeem muaj nyob hauv cov xim tsev4-testsdfgsdfg ua. Nws pab txhawm rau txhim kho qhov ntws thiab qib ntawm cov xim, kom ntseeg tau tias ua tiav. Thaum lub sij hawm tsim cov xim no, me me ntawm octyl phenol yuav khiav mus rau hauv huab cua los yog raug ntxuav tawm nrog dej siv los ntxuav cov cuab yeej. Qhov no tuaj yeem ua rau nws muaj nyob hauv cov av thiab dej nyob ib puag ncig cov chaw tsim khoom xim.
Cov khoom siv
Octyl phenol kuj tuaj yeem pom nyob rau hauv ntau yam khoom siv. Cov khoom siv tu tus kheej, xws li tshuaj zawv plaub hau, ntxuav lub cev, thiab tshuaj pleev ib ce, yuav muaj octyl phenol ethoxylates ua emulsifiers lossis stabilizers. Cov khoom no yog tsim los ua kom cov roj thiab cov dej sib cais los ntawm kev sib cais, muab kev ntxhib los mos zoo ib yam. Thaum cov neeg siv khoom siv cov khoom no, cov octyl phenol tebchaw tuaj yeem ntxuav hauv cov dej ntws thiab xaus rau hauv cov dej khib nyiab.
Textiles yog lwm qhov chaw uas octyl phenol tuaj yeem kuaj pom. Thaum lub sij hawm ua tiav cov txheej txheem textile, qee cov tshuaj uas muaj octyl phenol yog siv los txhim kho cov ntaub ntawv, xws li dej - repellency thiab xim ceev ceev. Yog li ntawd, khaub ncaws thiab lwm yam khoom siv textile yuav tso tawm me me ntawm octyl phenol nyob rau lub sijhawm, tshwj xeeb tshaj yog thaum lawv ntxuav.
Environmental Transport
Thaum octyl phenol raug tso tawm rau hauv ib puag ncig, nws tuaj yeem thauj mus los ntawm ntau txoj hauv kev. Hauv cov dej hauv dej, nws tuaj yeem nqa dej ntws los ntawm cov dej ntws thiab cov kwj deg. Nws tseem tuaj yeem tawg mus rau hauv cov dej hiav txwv dej hiav txwv, mus txog deb - tawm ntawm qhov chaw. Octyl phenol muaj cov solubility tsawg hauv dej tab sis tuaj yeem adsorb rau cov khoom raug tshem tawm. Cov khoom no tuaj yeem nyob hauv qab ntawm cov dej hauv qab, accumulating nyob rau hauv sediment lub sij hawm.
Nyob rau hauv cov huab cua, octyl phenol tuaj yeem thauj tau los ua vapor lossis txuas rau cov teeb meem. Nws tuaj yeem nqa los ntawm cua hla qhov ntev, nthuav tawm nws lub xub ntiag hla ntau thaj chaw. Qhov kev thauj mus los ntev - no ua rau nws ua tau rau octyl phenol mus txog thaj chaw deb ntawm nws qhov chaw qub.
Ntuj Ecosystems
Octyl phenol tau kuaj pom nyob rau hauv tej yam ntuj tso ecosystems. Hauv cov dej ecosystems, nws tuaj yeem ua rau muaj kev phom sij rau cov kab mob hauv dej. Ntses, invertebrates, thiab algae yog tag nrho cov yooj yim rau cov tshuaj lom los ntawm octyl phenol. Nws tuaj yeem cuam tshuam nrog cov kab mob endocrine ntawm cov kab mob no, cuam tshuam lawv txoj kev loj hlob, kev loj hlob, thiab kev loj hlob. Piv txwv li, hauv qee hom ntses, raug rau octyl phenol tau txuas rau kev loj hlob txawv txav ntawm lub cev xeeb tub thiab txo qis fertility.
Hauv thaj av ecosystems, octyl phenol tuaj yeem nqus tau los ntawm cov nroj tsuag los ntawm cov av. Nws tuaj yeem khaws cia rau hauv cov ntaub so ntswg, thiab thaum herbivores noj cov nroj tsuag no, cov tshuaj tuaj yeem nkag mus rau hauv cov khoom noj. Qhov bioaccumululation no tuaj yeem ua rau muaj ntau dua ntawm octyl phenol nyob rau hauv siab dua - qib predators, ua rau muaj kev pheej hmoo rau tag nrho cov ecosystem.
Cov nroj tsuag kho dej khib nyiab
Cov chaw kho dej khib nyiab ua lub luag haujlwm tseem ceeb hauv kev tswj xyuas qhov muaj octyl phenol hauv ib puag ncig. Cov chaw no yog tsim los tshem tawm cov kab mob hauv tsev thiab cov dej khib nyiab ua ntej nws tawm mus rau ib puag ncig. Txawm li cas los xij, octyl phenol tuaj yeem nyuaj kom tshem tawm tag nrho.
Qee cov txheej txheem kho dej khib nyiab, xws li kev kho cov sludge, tuaj yeem tshem tawm ib feem tseem ceeb ntawm octyl phenol. Microorganisms nyob rau hauv lub activated sludge tuaj yeem rhuav tshem cov compound rau qee qhov. Tab sis qee zaum, tshwj xeeb tshaj yog thaum lub zog muaj qhov siab ntawm octyl phenol, ib feem ntawm nws tseem yuav nyob twj ywm hauv cov tshuaj tua kab mob. Qhov no tuaj yeem ua rau muaj qhov txuas ntxiv ntawm octyl phenol hauv cov dej tau txais.
Cov chaw pov tseg
Landfills yog lwm qhov chaw ntawm octyl phenol nyob rau hauv ib puag ncig. Cov khoom uas muaj octyl phenol, xws li cov khoom siv pov tseg thiab cov khoom siv pov tseg, feem ntau raug xa mus rau qhov chaw pov tseg. Sij hawm dhau mus, cov khoom no tuaj yeem tawg, thiab octyl phenol tuaj yeem tawm mus rau hauv cov av ib puag ncig thiab dej hauv av. Cov leachate, uas yog cov kua uas ntws los ntawm qhov chaw pov tseg, tej zaum yuav muaj octyl phenol thiab lwm yam kab mob. Yog tias tsis tswj xyuas kom zoo, cov kua qaub no tuaj yeem ua rau cov dej nyob ze thiab av.
Kev saib xyuas thiab kev tswj hwm
Muab cov kev pheej hmoo ntawm ib puag ncig thiab kev noj qab haus huv cuam tshuam nrog octyl phenol, muaj qhov xav tau ntau ntxiv rau kev saib xyuas nws qhov chaw nyob hauv ib puag ncig. Tsoom fwv thiab cov koom haum ib puag ncig thoob ntiaj teb tab tom siv cov cai txwv kev siv thiab tso tawm octyl phenol. Cov kev cai no feem ntau teem txwv rau qhov concentration ntawm octyl phenol hauv kev lag luam tawm, cov khoom siv, thiab ib puag ncig xov xwm.
Kev soj ntsuam cov kev pabcuam tseem raug tsim los taug qab qib ntawm octyl phenol hauv dej, av, thiab huab cua. Cov kev pab cuam no pab ntsuam xyuas qhov ua tau zoo ntawm kev tswj hwm kev ntsuas thiab txheeb xyuas cov chaw uas yuav tsum tau ua ntxiv.
Peb lub luag haujlwm ua tus tsim khoom
Raws li ib tug neeg muab khoom ntawm octyl phenol, peb tau cog lus los xyuas kom meej tias peb cov khoom siv nyob rau hauv lub luag hauj lwm thiab ib puag ncig tus phooj ywg. Peb ua haujlwm ze nrog peb cov neeg siv khoom los muab cov ntaub ntawv qhia txog kev nyab xeeb thiab siv octyl phenol. Peb kuj txhawb kev tshawb fawb thiab kev tsim kho kev siv zog los nrhiav kev hloov pauv ntxiv rau octyl phenol.
Peb nkag siab qhov tseem ceeb ntawm kev tiv thaiv ib puag ncig thiab niaj hnub nrhiav txoj hauv kev los txo qhov cuam tshuam ib puag ncig ntawm peb cov haujlwm. Qhov no suav nrog kev siv cov kev tswj xyuas nruj kom txo qis kev tso tawm octyl phenol thaum lub sijhawm tsim khoom thiab kev thauj mus los.
Hu rau Kev Muag Khoom
Yog tias koj txaus siab rau kev yuav khoom siab - zoo octyl phenol rau koj cov kev xav tau kev lag luam lossis kev lag luam, peb caw koj tiv tauj peb rau kev sib tham ntxiv. Peb tuaj yeem muab cov ncauj lus kom ntxaws txog cov khoom, tus nqi, thiab kev xaiv xa khoom. Peb pab pawg kws tshaj lij tau npaj los pab koj nrhiav kev daws teeb meem zoo tshaj plaws rau koj cov kev xav tau tshwj xeeb.
Cov ntaub ntawv
- Schwarzenbach, RP, Gschwend, PM, & Imboden, DM (2003). Environmental organic chemistry. Wiley - Interscience.
- OECD. (2004). Kev soj ntsuam Cov Ntaub Ntawv Cov Ntaub Ntawv Teeb rau 4 - tert - Octylphenol. Lub koom haum rau Economic Co - kev ua haujlwm thiab kev loj hlob.
- Teb Chaws Asmeskas EPA. (2012). Kev Ntsuam Xyuas Kev Nyab Xeeb Kawg ntawm 4 - tert - Octylphenol. United States Environmental Protection Agency.
