Ubunjiniyela Obusekelayo Ezitsheni Zokuqoqa Amafutha Okupheka Asetshenzisiwe (UCO)
Kwadalwa ngo 05.08
Ubunjiniyela obusekelwe emathangini okuqoqa uwoyela wokupheka osusetshenzisiwe (UCO)
Njengoba ushintsho lomhlaba wonke olubheke emandleni avuselelekayo lukhula, uwoyela wokupheka osusetshenzisiwe (UCO) usuguquke kusukela kumkhiqizo wodoti uye empahleni enenani eliphezulu ezimbonini ze-biodiesel ne-HVO (Hydrotreated Vegetable Oil). Noma kunjalo, ukusebenza kahle kweketango lokuhlinzekwa kwe-"Waste-to-Energy" kuncike ngokuphelele kukuqina kwamathangi okuqoqa i-UCO asetshenziswa ngesikhathi sokugcina nokwelashwa kwangaphambili.
Kungani ukukhetha izinto kubalulekile ekugcinweni kwe-UCO
Ukugcina uwoyela wodoti, amafutha, namafutha (FOG) kwethula izinselelo ezikhethekile zamakhemikhali amathangi amanzi ajwayelekile angakwazi ukubhekana nawo.
● Ukulwa nama-Free Fatty Acids (FFA): I-UCO ivame ukuqukethe amazinga aphezulu ama-FFA, alimaza insimbi yekhabhoni engelashwanga.
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● Ukuvimbela Ukuqina: I-UCO inezinga eliphezulu lokushisa lapho iqala ukuba namafu. Izitsha zidinga ukuba nokufakwa kukagesi noma izinto zokushisa ukuze kugcinwe uwoyela ubuyisimo esiwuketshezi ukuze ukwazi ukumpompa.
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● Ukugcinwa Okuphelele: Ngenxa yengozi yemvelo yokuvuza kukaoil, izitsha kumele zihlangane nezindinganiso eziqinile njenge-AWWA D103-09 ukuqinisekisa ukuthi azivuza nhlobo.
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Ubuchwepheshe obuphambili: Ingilazi-Ehlanganiswe-Nesimbi (GFS)
Ukuqoqwa kukasawoti (UCO) okusezingeni eliphezulu, amathangi e-Glass-Fused-to-Steel (GFS)—awethulwa e-Asia ngabantu abahamba phambili njenge-Center Enamel—ayisixazululo esikhethwayo.
● Indawo Engathathi Hlangothi: Ukugqoka ingilazi encibilikisiwe kuhlanganiswe ngokwemvelo nesimbi emazingeni okushisa adlula u-800 °C, kwakha indawo engazweli ekugugulekeni kwama-organic acid.
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● Ibanga Eliqine Kakhulu le-pH: Izinhlobo ezikhethekile ze-enamel zingamelana nebanga le-pH elingu-1 kuye ku-14, okwenza zifanele ngisho "nobutshwala obudala" obonakaliswe kakhulu.
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● Inzuzo Ye-Modular: Njengoba izikhungo zokuqoqa zikhula, umklamo wezimbobo wamathangi e-GFS uvumela ukwanda okulula noma ukuhanjiswa kabusha.
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Ukuqhathaniswa kwezici zobuchwepheshe
Ukukhetha ithangi elifanele kuncike kuvolumu nokwakheka kwamakhemikhali kawoyela oqoqiwe.
Isici | Izitsha Eziboshwe Nge-GFS | Insipho Engenasici (304/316) | I-Fusion Bonded Epoxy |
Ukumelana Nokugqwala | Kuhle Kakhulu (Kuyamelana Notswala) | Phezulu | Phakathi |
Isikhathi Sokusebenza | Iminyaka engu-30+ | Iminyaka engu-30+ | Iminyaka engu-15-20 |
Ukunakekelwa | Okuncane Kakhulu (Akunamatheli) | Kuncane | Phakathi |
Ukusebenza Kahle Kwezindleko | Phezulu (Kuyakhelwa Ngokwezingxenye) | Ukutshalwa Kwemali Kwasekuqaleni Okukhulu | Ezomnotho |
Izicelo Zamasu Emikhakheni Ye-Bioenergy
Izitsha zokuqoqa i-UCO ziyisisekelo sezimboni ezibalulekile eziningana:
1. Izikhungo Zokulungisa Ngaphambi Kwama-Biodiesel
Amathangi amakhulu e-GFS asebenza njengesitoreji esiyinhloko se-UCO eningi ngaphambi kokuba ihambe nge-esterification. Ukumelana kwawo nokwakheka kukadoti kuqinisekisa ukuthi impahla eluhlaza ihlala ingenaso isifo.
2. Ukuphathwa kwe-FOG kwasemaphandleni
Ukuze kugwenywe "fatbergs" emigudwini yedolobha, izitshalo zokucubungula amanzi angcolile (WWTP) zisebenzisa amathangi akhethekile okuqoqwa ukuze ziqoqa udoti lwezikhwama ze-grease, okukhishwa ukuze kukhiqizwe i-biogas.
3. Ukucubungula Ukudla Kwezimboni
Abakhiqizi bokudla abakhulu basebenzisa amathangi okuqoqwa endaweni ukuze baphathe izinga eliphezulu le-oyela yokufry, beguqula izindleko zokulahla zibe umthombo wemali ngokusebenzisa izinhlelo zokuphinda zisebenze i-oyela.
Ukuhlangabezana Nezindinganiso Zomhlaba
Kwezinhlelo zamazwe omhlaba, amathangi e-UCO kumele ahambisane nezinga lokuhlola eliqinisekisiwe ukuze kuqinisekiswe ukuphepha nokuphila isikhathi eside. Abakhiqizi abafana ne-Shijiazhuang Zhengzhong Technology (Center Enamel) banikeza izixazululo eziqinisekisiwe ku:
● ISO 28765: Izinga lomhlaba jikelele lamathangi ensimbi abhalwe ngengilazi ne-porcelain.
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● NSF/ANSI 61: Qinisekisa ukuthi noma ngabe i-oyela ihlanzekile ukuze isetshenziswe ngokuqinile, indlela yokugcina ihlala iphephile.
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Ukutshala imali emathangini aqhakazile okuqoqwa kukasawoti (UCO) kuyisinyathelo esihlakaniphile kunoma iyiphi inkampani yokuphatha udoti noma yamandla avuselelekayo. Ngokusebenzisa ubuchwepheshe be-GFS noma insimbi engagqwali, abasebenzisi bangaqinisekisa impilo yesevisi yeminyaka engu-30, banciphise izindleko zokugcinwa, futhi babambe iqhaza emnothweni oyindilinga oqhubekayo.
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