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TTM Asphalt Plant - Chaw Tsim Khoom Siv Sib Tov thiab Rov Siv Dua Asphalt Txij Li Xyoo 2004.

Puas Muaj Kev Nyab Xeeb Nyob Ze Lub Hoobkas Asphalt? Nov Yog Cov Ntaub Ntawv Hais Li Cas Tiag?

Vim li cas cov neeg yuav tsev thiab cov neeg xauj tsev thiaj li Google "Puas Muaj Kev Nyab Xeeb Nyob Ze Lub Hoobkas Asphalt?"

Yog tias koj tau tsav tsheb dhau ib lub silo loj loj uas muaj cov huab dawb tawm los, tej zaum koj yuav tau nug koj tus kheej tias, " Puas muaj kev nyab xeeb nyob ze ntawm lub Hoobkas asphalt? " - yog, kuv thiab . Tau tsib xyoos dhau los, cov rooj sib tham txog vaj tse thiab cov pab pawg niam Facebook tau ci ntsa iab nrog qhov kev txhawj xeeb no. Qhov kev txhawj xeeb yog qhov tseeb: kev tsim asphalt suav nrog kev ziab cov pob zeb hauv qhov kub siab, sib tov nrog bitumen, thiab khaws cia ntawm 300 ° F. Tsuas yog tsw ntxhiab ua rau lub tswb ceeb toom, tab sis cov kev tshawb fawb los ntawm cov phooj ywg qhia dab tsi tiag tiag?

Kev Soj Ntsuam Xyuas Qhov Zoo ntawm Huab Cua: Cov lej uas feem ntau hla dhau cov xov xwm tseem ceeb

Cia peb hla qhov kev ntshai thiab saib cov ntaub ntawv tiag tiag . Xyoo 2022, Pawg Neeg Saib Xyuas Kev Zoo Ib Puag Ncig hauv Texas tau tso cov saib xyuas uas nqa tau 150 m ntawm qhov chaw sib tov nruas. Tshaj 18 lub hlis:

  • PM₂.₅ nruab nrab yog 9.4 μg/m³—qis dua li WHO cov lus qhia ntawm 15 μg/m³.
  • Kev nyeem Benzene tau nce siab tshaj plaws ntawm 0.8 ppb, yuav luag zoo ib yam li kev sib tshuam hauv nroog uas muaj neeg coob coob.
  • Cov polycyclic aromatic hydrocarbons (PAHs) tau raug kuaj pom, tab sis ntawm 1/20th qib pom nyob ze ntawm cov chaw hluav taws xob siv thee.

Txhais lus? Feem ntau hnub, cov pa phem tsis sib txawv ntawm cov nroog hauv nroog. Txawm li cas los xij, lub sijhawm luv luv "kev thauj khoom" (thaum cov tsheb thauj khoom pov tseg) tau thawb PM₂.₅ mus txog 35 μg / m³ rau 30-45 feeb. Qhov ntawd yog qhov uas zaj dab neeg tau txais kev sib txawv me ntsis.

Cov Kws Tshawb Fawb Txhais Li Cas Los Ntawm "Kev Pheej Hmoo Txais Tau" vs. Cov Neeg Nyob Hauv Tsev Hnov ​​​​Dab Tsi

Nov yog qhov tseem ceeb: tsw tsis yog tshuaj lom. Tib neeg lub qhov ntswg tuaj yeem hnia cov sulfur-nplua nuj thiols ntawm qhov-ib-lab, tab sis lawv qhov kev noj qab haus huv nyob ze rau qhov-ib-lab. Ib txoj kev tshawb fawb xyoo 2021 ntawm University of Cincinnati pom tias cov neeg nyob hauv 1 km tau tshaj tawm ob npaug ntawm kev mob taub hau thiab mob caj pas thaum lub caij ntuj sov hloov pauv, tab sis kev kuaj mob ntsws tseem zoo li qub. Hauv lwm lo lus, kev ntxhov siab ≠ kab mob .

Kaw Koj Lub Qhov Rai? Kev Tshawb Pom Uas Tsis Zoo Li Qhov Koj Xav Tau

Cov kws tshawb nrhiav tau teeb tsa cov tshuab kuaj huab cua hauv tsev hauv 42 lub tsev. Qhov xav tsis thoob yog tias cov tsev uas muaj cua tshuab (HRV/ERV) qhia tau tias muaj cov pa phem tsawg dua li cov uas muaj cua ntuj, txawm tias thaum kaw qhov rais los xij. Zaj lus qhia: kev kaw koj lub tsev yog ib nrab ntawm kev sib ntaus sib tua; cov cua lim dej ua tiav nws.

Kev Nrug Deb: Ze Npaum Li Cas Thiaj Ze Dhau?

Cov lus qhia ntawm kev lag luam ib zaug siv cov lus hais tias "500 ft thiab koj zoo." Cov qauv kev faib tawm niaj hnub no qhia txog zaj dab neeg sib txawv. Siv AERMOD, EPA cov software nyiam, cov pa phem poob 60% ntawm 300 m thiab 90% ntawm 600 m - tab sis tsuas yog nyob rau hauv cov huab cua nruab nrab . Thaum sawv ntxov ntsiag to, noo noo, cov plua plav ntawd tuaj yeem puag hauv av ntev dua. Lub ntsiab lus tseem ceeb: yog tias koj tuaj yeem xaiv, xaiv sab cua ntawm txoj kev thiab tsom mus rau tsawg kawg 600 m rov qab.

Kev Ntxig Zais: Suab Nrov, Kev Co thiab Tus Nqi Khoom Vaj Khoom Tsev

Qhov zoo ntawm huab cua ua rau neeg pom ntau yam, tab sis cov tswv tsev kuj yws yws txog lub suab ceeb toom thaum 5 teev sawv ntxov thiab lub suab nrov ntawm lub tsheb thauj khoom. Xyoo 2020 kev ntsuam xyuas hauv Charlotte, NC, qhia tias cov nqi poob qis 5–7% hauv 400 m ntawm qhov chaw ua haujlwm asphalt - txawm tias thaum muaj ntxhiab tsw tsawg heev. Cov neeg yuav khoom, zoo li, xav txog qhov kev pheej hmoo rau cov khoom muag ntau dua li EPA cov ntawv tshaj tawm.

Cov Chij Liab: Thaum "Muaj Kev Nyab Xeeb" Tig Mus Rau Qhov Tsis Zoo

Saib xyuas cov cim ceeb toom no:

  1. Qhov opacity ntawm pawg >20% rau ntau tshaj 3 feeb/teev (pom tau zoo li pa luam yeeb tsaus).
  2. Cov lus tsis txaus siab ntau zaus tau sau tseg rau ntawm lub koom haum txoj kab xov tooj kub ntxhov ntxhiab .
  3. Cov ntawv tso cai tas sij hawm - xyuas koj lub xeev cov ntaub ntawv online.

Yog tias muaj ob tug neeg tuaj koom, thov kom muaj kev sib ntsib hauv zej zog; cov neeg tswj hwm feem ntau tuaj thaum cov koob yees duab tuaj.

Daim Ntawv Teev Xyuas Uas Siv Tau: Tiv Thaiv Koj Tsev Neeg Yam Tsis Tas Tsiv Tawm

Tsis tau npaj muag? Zoo. Ua zoo li ib tug kws tshaj lij:

  • Nruab cov lim dej HVAC MERV-13; hloov txhua 90 hnub.
  • Cog cov ntoo ntsuab uas tuab tuab rau ntawm sab uas tig mus rau qhov chaw; lawv txiav cov khoom me me li 15–20%.
  • Khiav lub ntsuas Purple-Air uas muaj nqis $200 thiab tshaj tawm cov ntaub ntawv—kev pom tseeb yuam cov neeg ua haujlwm.
  • Teem sijhawm tawm dag zog sab nraum zoov tom qab 10 teev sawv ntxov; feem ntau cov nroj tsuag yuav tsum tau thauj khoom ua ntej.

Thiab, tsis txhob hnov ​​qab pov npav hauv kev sib hais txog kev faib thaj chaw hauv zos - qhov kev cuam tshuam kev noj qab haus huv pheej yig tshaj plaws yog "yog" rau 1,000 ft retracements.

Kev Siv Tshuab Yav Tom Ntej: Asphalt Sov-Sib Xyaws thiab Cov Pa Pa Uas Txo Tau

Kev lag luam tsis nres nua. Cov tshuaj ntxiv sov ua rau lub sijhawm tsim khoom txo qis los ntawm 30–50 °C, txo cov VOCs txog li 50%. Cov nroj tsuag uas siv cov tshuab ntes pa luam yeeb xiav qhia tias cov pa roj benzene qis dua qhov txwv tsis pub kuaj pom. Kev txhais lus rau cov neeg nyob hauv: cov chaw tshiab dua huv dua, yog li kev kho dua tshiab tseem ceeb dua li hnub nyoog.

Kev Pab Cuam Raws Cai: Yam Koj Yuav Tsum Tau Ua

Raws li Txoj Cai Huab Cua Huv, cov pej xeem tuaj yeem thov kom muaj kev tshuaj xyuas daim ntawv tso cai Title V. Daim ntawv thov ua tiav hauv xyoo 2019 tau yuam kom ib lub chaw hauv Louisiana teeb tsa cov lim dej carbon, txo HAPs (cov pa phem hauv huab cua) 70%. Tus nqi? Ib pawg neeg hauv zej zog, ib tus kws lij choj, thiab 18 lub hlis - tsis muaj teeb meem ntau dua li kev foob hauv pawg neeg .

Yog li, Puas Muaj Kev Nyab Xeeb Nyob Ze Lub Hoobkas Asphalt?

Raws li kev suav lej, rau cov neeg laus noj qab haus huv sab nraum thaj tsam 300 m, qhov kev pheej hmoo yog qis thiab sib piv rau kev nyob ze ntawm txoj kev loj. Cov pab pawg neeg rhiab heev - cov menyuam yaus uas muaj mob hawb pob, cov neeg laus - yuav tsum tau siv tsawg kawg 600 m thiab cov khoom siv niaj hnub. Saib xyuas kev hloov kho daim ntawv tso cai, siv cov thev naus laus zis pheej yig los saib xyuas koj cov huab cua hauv tsev, thiab thawb cov tub ceev xwm hauv zos kom tau txais cov ntaub ntawv pob tshab. Ua li ntawd, thiab koj yuav hloov daim ntawv los ntawm tus neeg nyob hauv tsev ntxhov siab mus rau tus neeg muaj feem cuam tshuam.

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Lub Hoobkas Sib Tov Asphalt Yog Dab Tsi thiab Vim Li Cas Txhua Txoj Kev Thiaj Li Nyob Ntawm Nws?1
Asphalt Kub Npaum Li Cas Tawm Ntawm Lub Hoobkas Thiab Vim Li Cas Cov Neeg Ua Haujlwm Paving Yuav Tsum Saib Xyuas?
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