Ukusetyenzwa kwe-oyile ekrwada, okanye ukucokiswa kwe-oyile, e-China kumyinge we-14.8 yezigidi zemiphanda ngosuku (b/d) ngo-2023, iphezulu kakhulu, ngokutsho kwe-US Energy Information Administration (EIA). Ukusetyenzwa kwerekhodi kufike njengoko uqoqosho kunye nomthamo wokucoca ukhula e-China kulandela iimpendulo ze-COVID-19 zelizwe ngo-2022.
I-China yonyuse umthamo wokucokisa ngaphezu kwalo naliphi na elinye ilizwe kule minyaka yakutsha nje, ngokuyinxenye ukuhlangabezana neemfuno zamafutha othutho zelizwe kodwa nokuvelisa ukutya kwishishini layo lepetrochemical. Kwiminyaka yakutshanje, ukongezwa kwamandla e-China kudityaniswe nezibonelelo zepetrochemical, ukwandisa ukuveliswa kwe-petrochemical feedstocks ezifana ne-naphtha kunye ne-liquefied petroleum gases (LPG), ezibandakanya i-propane kunye ne-butane.
INaphtha yihydrocarbon ekhaphukhaphu eqhubekekiswa ngakumbi ukuze idityaniswe kwipetroli yemoto ngokusisiseko kuzo zonke iindawo zokucoca zase-US. Uninzi lwe-petrochemical feedstock ye- Us petrochemical feedstock ivela kwi-ethane kunye ne-LPG, enokuthi yahlulwe kwaye ithengiswe kwimizi-mveliso yegesi yendalo.
Ngokwahlukileyo koko, abavelisi abaninzi bepetrochemical eYurophu naseAsia basebenzisa kakhulu i-naphtha (kunokuba ye-ethane) kunye ne-LPG njenge-petrochemical feedstocks. I-Naphtha, i-LPG, kunye ne-ethane zisetyenziselwa ukuvelisa iikhemikhali zemizi-mveliso ezifana ne-ethylene, i-propylene, kunye ne-paraxylene, ezithi ekugqibeleni ziguqulwe zibe yimveliso ephakathi okanye eyokugqibela. Ukuphuhlisa ukusulungekiswa okuhlanganisiweyo kunye nezixhobo zepetrochemical zibonelela ngokulula kolu ncedo ukuba lutshintshe imveliso iye kumafutha othutho okanye i-petrochemical feedstocks, ngokuxhomekeke kwiimeko zemarike.
Ukukhula kwecandelo lepetrochemical eTshayina lenze eli lizwe lelinye lawona mazwe avelisa ipetrochemical. Ngenxa yoko, abavelisi bepetrochemical baseTshayina badinga ukonyuka kwe-naphtha kunye ne-LPG eveliswe kwiindawo zokucokisa zase-China, nanjengoko i-China iqhubeka nokungenisa ezi zimbini zokutya, yatsho i-EIA.
Ngokutsho koshicilelo lwezorhwebo, iinkampani zaseTshayina ziceba ukongeza umthamo ongaphezulu, kubandakanya i-400,000-b / d yokucoca iYulong kunye ne-petrochemical complex, eyayifanele ivule ngo-2024 kodwa ngoku ilibaziseke kwi-2025.
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