Afɔfiɛ 20, 2025
Asphalt ƒe ɖekakpuiwɔwɔ menye ‘ami tsɔtsɔ de aŋɔ xoxo me’ ko o. Nyati sia dzro atikewo ƒe dɔwɔwɔ me tso aŋɔ ƒe wɔwɔme si tsi dzi va ɖo agble me kpeɖodzinana dzi.
Mɔ̃ɖaŋununya si wotsɔ gbugbɔa aŋɔ wɔe la va to dzidzime eve me. Mɔnu si wozãna le dzidzime gbãtɔ me la nɔ tẽ: wotsaka ami siwo wotsɔa tsi ƒoa ƒui (abe kerosene alo ami siwo me wodea tsii bɔbɔe ene) ɖe aŋɔ si tsi me be wòaɖe eƒe ʋeʋẽ dzi akpɔtɔ to ami si woɖena le lãme na ame ŋutɔŋutɔ me. Mɔnu sia mexɔ asi o eye eŋudɔwɔwɔ le bɔbɔe, gake eƒe kuxiwo dze ƒã nenema ke — ami si me wodea tsii la ƒe akpa sue siwo le bɔbɔe la gatrɔna ake le etsɔtsɔ tsaka kple etsɔtsɔ wɔ dɔe me, si wɔnɛ be afɔtoƒea tsina zi evelia, eye afɔtoƒea gasesẽna eye wògbãna le ƒe 2-3 ƒe dɔwɔwɔ vɔ megbe. Dzidzime evelia nye molecule ƒe gbugbɔgadzɔ: le esi teƒe be wòaɖo ŋu ɖe ŋutilã me tsidede ŋu la, edzraa bitumen tsitsi ƒe molecule ƒe wɔwɔme ɖo veviedodotɔe to atikewo dzi — egbugbɔa molecule ƒe kpekpeme tɔxɛ ƒe akpa sue siwo me kɔ la yɔa eme be woagbugbɔ colloidal ƒe dadasɔ aɖo anyi, egbãa oxidative cross-link bonds be wòaɖe molecule gãwo ƒe ƒuƒoƒo ƒe lolome dzi akpɔtɔ, eye wòtoa stabilizers vɛ be woaxe mɔ ɖe enu aŋɔ si wogbugbɔ wɔ la ƒe kristalo gbugbɔgawɔ. Asphalt rejuvenator si FangService do alɔe la nye dzidzime evelia ƒe molecule gbugbɔgawɔ mɔ̃ɖaŋununya sia tɔ.
Be ame nase molecule ƒe gbugbɔgadzɔ gɔme la, ele be wòase bitumen ƒe colloidal wɔwɔme gɔme gbã. Bitumen menye nu bɔbɔe aɖe o ke boŋ enye colloidal kaka si me kɔ si me akpa vevi ene le: asphaltene (molekyulã ƒe kpekpeme si lolo wu, polarity sesẽtɔ kekeake, melɔ̃na le n-hexane me), saturate (non-polar, molecule ƒe kpekpeme si bɔbɔ wu), aromatic (polarity si sɔ, molecule ƒe kpekpeme titina), kple resin (polar, molecule ƒe kpekpeme le asphaltene kple aromatic dome). Le bitumen yeyewo me la, wotsɔa aŋɔ ƒe moleculewo ƒoa asphaltene ƒe nutowo me eye wotsɔa wo tsia saturates kple aromatics ƒe akpa si yia edzi me, si wɔnɛ be sol-gel ƒe ɖoɖo si li ke. Le tsitsi me la, amiwo (saturates + aromatics) dzi ɖena kpɔtɔna ɣesiaɣi, resins ƒoa ƒu eye wotrɔna zua asphaltenes le oxidation te, asphaltene aggregates tsina, eye colloidal structure trɔna tso sol yi gel — si bua mɔ̃ɖaŋununya ƒe ŋutete katã si wu sisi.
Asphaltenes siwo le bitumen tsitsi me meli abe molecule ɖekaɖekawo ene o — wowɔa nanoscale aggregates to π-π stacking kple hydrogen ƒe kadodo me, eye aggregates siawo gadea ha ɖe micron-scale clusters me. Ne tsitsi le edzi yim la, asphaltene ƒe ƒuƒoƒo ƒe molecule ƒe ɖoɖo ememetɔ va nɔa ɖoɖo nu geɖe wu, eye wòwɔa nuto siwo le abe kristalo ene — nuwɔna si woyɔna be de-crystallization alo ordering. Nuto siawo siwo woɖo ɖe ɖoɖo nue nye nusiwo gbɔ wòtsona tẽ: wozua nuteɖeamedzi ƒe teƒewo le dzoxɔxɔ si bɔbɔ me, si wɔnɛ be aŋɔ gbagbã le dzoxɔxɔ si lolo wu eƒe glass ƒe tɔtrɔ ƒe dzoxɔxɔ sã me. Nusiwo le dɔ wɔm le molecule rejuvenator me ateŋu ade asphaltene aggregates ƒe π-π stacking ƒuƒoƒoawo dome, si agblẽ ɖoɖo si le ɖoɖo nu le moleculewo dome eye wòagakaka kristalo nutoawo ɖe nɔnɔme si me nɔnɔme mele o si kaka me. Esia menye dilution bɔbɔe o — etrɔa asphaltene ƒe aggregation nɔnɔme ƒe wɔwɔme vevie.
Kuxi vevi aɖe si le molecule ƒe gbugbɔgawɔ me enye nenye be colloidal structure si wodzra ɖo la agatsi le edzadzraɖo kple edzikpɔkpɔ me. Ŋuɖoɖoae nye ẽ, ne wometsɔ nusiwo naa nuwo nɔa te sesĩe o. Bitumen si woɖe kristalo yeyee eye wotsɔ kekeli ƒe akpa sue aɖe gbugbɔ yɔ la le nɔnɔme si me dzoxɔxɔ ƒe ŋusẽ meli ke o me, eye asphaltene ƒe akpa suesuesuewo dina be yewoagaƒo ƒu ake ahagbugbɔ aɖo wo ɖe ɖoɖo nu. Steric-hindrance resin kpɔa kuxi sia gbɔ: axadzikɔsɔkɔsɔ ƒe ƒuƒoƒo gãwo le resin molecule siawo me, siwo ne woxɔ wo ɖe asphaltene ƒe akpa suewo ƒe anyime la, wozua mɔxenu ŋutɔŋutɔ si xea mɔ na asphaltene ƒe akpa siwo te ɖe wo nɔewo ŋu be woagate ɖe wo ŋu ahagbugbɔ wo abla o. Ele abe atike si tsia tre ɖe ɖa ŋu zazã ɖe ɖa si woƒo yeyee ŋu ene — kaawo megaléna ɖe wo nɔewo ŋu o eye wonɔa kakam. Steric-hindrance resin ƒe dodo nana be bitumen si wogbugbɔ wɔ yeyee ƒe nudzraɖoƒe ƒe liƒo nyona ɖe edzi ŋutɔ: le gaƒoƒo 48 megbe le dzodoƒe si ƒe dzoxɔxɔ nye 160°C me la, woate ŋu akpɔ vovototo si le eƒe fafa me dzi le 2°C me (zi geɖe la, dɔwɔƒewo ƒe takpekpe mebiaa nusi wu 5°C o).
Dekɔnu dilution-ami gbugbɔgawɔ ate ŋu agbugbɔ aŋɔ tsitsi ƒe dɔwɔwɔ aɖo aŋɔ yeye ƒe seƒe ko — esia nye taɖodzinu si woatsɔ axe fe ɖe eta. Gake molecule rejuvenator si tso FangService yi ŋgɔ wu ema: nusi wɔa dɔ ɣaɣla aɖe le eme si wɔa nu kple teƒe siwo wɔa dɔ le bitumen me le atikewo me le dzoxɔxɔ si wotsaka me, le teƒea si wɔa akpa etɔ̃ ƒe kadodo si wotsɔ ƒo ƒui. Net sia megbugbɔa tsi ƒe sisi ɖona o — si to vovo kura: etsɔa elastic cross-links si sɔ la dea colloidal structure si wodzra ɖo me, si naa bitumen si wogbugbɔ wɔ la ƒe elastic recovery ŋutete si wu bitumen yeye tɔ. Etɔxɛe: gbã la, 3D-network la naa viscoelasticity nyona ɖe edzi, si wɔnɛ be afɔtoƒea te ŋu xɔa nuteɖeamedziwo nyuie wu hemaa wo le agba te; evelia, network ƒe wɔwɔme doa ŋusẽ kadodo si le bitumen kple aggregate interface dome, si ɖea tsi ƒe nugbegblẽ ƒe afɔkua dzi kpɔtɔna; etɔ̃lia, xɔtuɖoɖo si wotsɔ ƒo ƒui la naa bitumen la te ŋu daa gbe le eɖokui ŋu vaseɖe afi aɖe — micro-cracks ate ŋu atu eƒe akpa aɖe evɔ womakaka le dzoxɔxɔ ƒe tsatsam me o. Nyatakaka siwo wodzidze ɖee fia be ɖeɖiteameŋu ƒe agbenɔƒe si le asphalt tsakatsaka si wogbugbɔ wɔ ƒe agbenɔƒe ɖoa 85% kple edzivɔ le asphalt si wometsɔ wɔ ɖekakpui o gome, eye le nɔnɔme aɖewo me la, etena ɖe 100% ŋu.
Ele be woabu molecule ƒe gbugbɔgawɔ ƒe dɔwɔwɔ nyuie le nudokpɔƒe ƒe ɖoɖo nu. Le asphalt rejuvenators gome la, ele be woado dzesi vevi atɔ̃ kpɔ. Gbã la, gege ɖe eme: eɖea aŋɔ ƒe sesẽ fiana; zi geɖe la, ɖekakpui ƒe taɖodzinue nye be woagbugbɔ aŋɔ si tsi ƒe gege ɖe eme aɖo aŋɔ yeye ƒe 80% kple edzivɔ. Evelia, teƒe si wòfa: eɖea dzoxɔxɔ si nu sẽ ƒe liƒo fiana; le ɖekakpuiwɔwɔ vɔ megbe la, ele be afisi wòfa la nasɔ kple aŋɔ yeye tɔ, eye vovototoa made 3°C o. Etɔ̃lia, ductility: ɖea dzoxɔxɔ si bɔbɔ ƒe gbagbã ƒe tsitretsitsi fiana; 5°C ductility nye dzesi vevitɔ eye ele be wòatrɔ ava ɖo 70% kple edzivɔ le bitumen yeye ƒe asixɔxɔwo me. Enelia, ʋeʋẽ lilili: Ele be Brookfield ƒe ʋeʋẽ le 135°C ƒe lolome nasɔ kple aŋɔ yeye, si ana woakpɔ egbɔ be woate ŋu atsakae ahaƒoe ɖe enu. Atɔ̃lia, RTFOT megbe dɔwɔwɔ: ele be bitumen si wogbugbɔ wɔ la natsi agbe le Rolling Thin Film Oven Test me dɔwɔwɔ ƒe gbegblẽ gã aɖeke manɔmee — agbɔsɔsɔme ƒe tɔtrɔ le ±3% me kple tsitsi megbe gege ɖe eme ƒe xexlẽme ya teti 0.7. Rejuvenator si tso FangService wɔa dɔ nyuie ŋutɔ le dzesi atɔ̃awo katã me: asixɔxɔ siwo bɔ dometɔ aɖewoe nye 25°C ƒe ʋeʋẽ si nye 280 mPa·s, keklẽ ƒe teƒe si nye 231°C, RTFOT ƒe ʋeʋẽ ƒe xexlẽme si nye 1.1, kple RTFOT ƒe agbɔsɔsɔme ƒe tɔtrɔ si nye 0.9%.
Ele be woatsɔ agbledede ŋuti nyatakakawo aɖo kpe nudokpɔƒe ƒe nyatakaka nyuiwo dzi. Ðekakpuimenɔnɔ ƒe dɔ si wowɔna si bɔ si me RAP sɔ gbɔ ɖo la lɔ kpeɖodzinana ƒe afɔɖeɖe siwo gbɔna ɖe eme. Gbã la, numiemiewo dzi kpɔkpɔ: woxɔa kpɔɖeŋuwo le tsakatsaka me be woakpɔ dzoxɔxɔ ƒe ɖekawɔwɔ kple bitumen ƒe nutsyɔnu, akpɔ egbɔ be ɖekakpui la kaka bliboe le 120-140°C. Evelia. Etɔ̃lia, core sampling: le mɔdodowo ƒe dɔyɔyɔ vɔ megbe la, woɖea corewo hedoa wo kpɔna be woƒe kpekpeme, void ratio, kple Marshall li ke hã. Enelia, ŋkuléle ɖe dɔwɔwɔ ŋu ɣeyiɣi didi: wotsɔa sensorwo dea dodokpɔa ƒe akpaa dzi alo woɖoa teƒe siwo wode dzesii, eye ŋkuléle ɖe eŋu edziedzi léa ŋku ɖe alesi wòle gbadzaa, eƒe gbagbã ƒe agbɔsɔsɔme, kple eƒe goglome ŋu. Nyatakakawo yometiti tso dodokpɔ ƒe akpa aɖe si me 60% RAP le le ƒe eve me meɖe vovototo gã aɖeke fia le subɔsubɔdɔ ƒe dɔwɔwɔ me ne wotsɔe sɔ kple dzoxɔxɔ tsakatsaka si bɔ o, esime le ƒe etɔ̃lia me la, akpa si wogbugbɔ wɔ la dzea ɖeɖiteameŋu ƒe dɔwɔwɔ ƒe viɖewo ɖeɖefia gɔme — esia le alea elabena elastic recovery ŋutete si le bitumen si wogbugbɔ wɔ yeyee la yi edzi le viɖewo nam le agbatsɔtsɔ ƒe ɣeyiɣi didi ƒe tsatsam te.
Le mɔdodoŋutinunya ƒlelawo gome la, tiatia la nye asitsatsa le tiatia etɔ̃ dome koŋ. Tiatia A: zã aŋɔ yeye 100% kple ɖetugbui leaƒe ƒe ƒuƒoƒo (0% RAP) — ga si wozãna le gɔmedzedzea me si lolo wu, mɔ̃ɖaŋununya ƒe afɔku si le sue wu. Tiatia B: zã dilution oil tsɔ gbugbɔ 20-30% RAP — ga si wozãna le gɔmedzedzea me si bɔbɔ wu, gake ɣeyiɣi didi ƒe dɔwɔwɔ nye ɖikeke eye eƒe agbɔsɔsɔme si wotsɔ de eme mate ŋu agbɔ 30% o. Tiatia C: zã molecule rejuvenator be nàkpɔ 60%+ RAP — gbãtɔ ƒe gazazã le A kple B dome, gake agbenɔƒe ƒe gazazã si bɔbɔ wu, carbon ƒe dodo si bɔbɔ wu, kple dɔlélenutsiŋutete ɖe aggregate supply-chain volatility ŋu. Le mɔdodowo ƒe dɔwɔwɔ siwo ƒe aɖaŋuwɔwɔ ƒe agbenɔƒe nye ƒe 3+ gome la, Tiatia C ƒe agbenɔƒe ƒe gazazã ƒe viɖe le vevie ŋutɔ. Le dɔ siwo wowɔna ɣeyiɣi kpui aɖe alo esiwo wowɔna kpata gome la, teƒe aɖe gakpɔtɔ le Tiatia B ŋu. Nu vevitɔ si le nuƒle ŋuti nyametsotsoa me menye ‘tiatia si nyo wu’ o ke boŋ ‘nukae nye dɔ sia ƒe agbenɔƒe si woawɔ, ɖe woabu carbon ƒe dodo le asitsatsa ƒe dodokpɔ me, eye ɖe nusiwo woatsɔ ana ƒe ƒuƒoƒoa li kea’ — biabia etɔ̃ siawo ƒe ŋuɖoɖowo fia asi tiatia nyuitɔ tẽ.
Gblɔ wò dɔa ƒe nɔnɔme kple nudidiwo na mí, eye míawɔ ɖeka kple egbɔkpɔnu nyuitɔ eye míana ga home aɖe le gaƒoƒo 24 me.
Na Nya Si Woagblɔ Femaxee3-le-1 asphalt rejuvenator (dzoxɔxɔ ƒe tsakatsaka + tɔtrɔ + gbugbɔgadzɔ), RAP ƒe agbɔsɔsɔ >=60% (si sɔ gbɔ wu 100%), tsakatsaka ƒe dzoxɔxɔ 120-140°C, ɖeɖiteameŋu ƒe agbenɔƒe >=85% asphalt yeye, gazazã bliboa 25-40% si bɔbɔ wu. Viscosity 280 mPa·s, flash point 231°C, density 0.96 g/cm3, woateŋu akpɔe le 25 kg alo 1000 kg ƒe kpẽwo me. Do alɔ mɔfiame siwo wowɔ ɖe ɖoɖo nu le didi nu eye nàna batch dodokpɔ ŋuti nyatakakawo, kple asitsatsa ƒe ɖoɖo siwo woate ŋu atia le EXW/FOB/CIF/DDP.
Srɔ̃ nu tso asphalt regeneration agent tiatia kple nyayɔyɔ ŋu →