Nnansa yi ara, gua sofoɔ kaa sɛ, ethylene a wɔyɛ foforɔ no bɛma carbon a wɔde yɛ adwuma no akɔ soro, na wɔhwɛ kwan sɛ U.S. butadiene a wɔyɛ no bɛkɔ soro wɔ 2019. a wɔde ma no mu akɔ soro no bɛdane 2014 US Butadiene boɔ no wɔ 2019 mu, na ɛbɛma nkɔsoɔ hokwan aba ama nsuo a ɛfiri nsuo mu a ɛfiri nsuo mu ne nneɛma a wɔde kɔ amannɔne{
Wɔ afe 2018 mu no, na butadiene a wɔde ma no ho yɛ na wɔ United States. Nneɛma a wɔde ma denneennen wɔ afe no mfiase no fi sɛ wɔtoo krak no mu na carbon nneɛma anan a wɔmfa nyɛ adwuma a wɔmfa mmrɛw{2}} no nnɔɔso wɔ afe no mfinimfini no, na carbon anan a wɔde yɛ adwuma no sua esiane sɛ wɔde krak a wɔde di dwuma kɛse wɔ krak mu a wɔde di dwuma wɔ krak mu a wɔde ma wɔ krak a wɔde di dwuma wɔ krak a wɔde di dwuma wɔ krak mu a wɔde ma wɔ krak a wɔde ma wɔ krak a wɔde di dwuma no mu{2}} 2018, na ethylene a wɔde ma no boro so, a ɛmaa ethylene bo kɔɔ fam kɛse. ethylene bo a ɛkɔ fam kɛse no asɛe mfaso a ɛwɔ krak no so, na ɛmaa krak no de ethane pii dii dwuma sɛ aduan efisɛ ethane ne ethylene feedstock a ɛyɛ sikasɛm mu mfaso sen biara{6}}
Wɔ afe 2018 mu dodoɔ no ara mu no, nkɔsoɔ a ɛyɛ den wɔ petrol a wɔmfa nhyehyɛ mu boɔ mu no boaa aduane a ɛyɛ duru te sɛ naphtha, propane ne butane, a ɛkaa U.S. krak sikasɛm a ɛde aduane a emu yɛ duru. dii dwuma wɔ afe 2018 mfimfini no, ethane dodoɔ a ɛwɔ cracked raw materials mu no kɔɔ soro wɔ 75% a ɛfiri 60% mu no mu no kɔɔ soro wɔ 60% mu wɔ afe no mu no mu no kɔɔ soro sene 60 Cracker nso boaa ma afifideɛ no adwumayɛ so tew. Wɔ afe 2018 mu no, wɔhyɛɛ krak mmienu a ɛwɔ United States ma wɔtoo mu ɛnam sikasɛm mu nteaseɛ.
Wɔ afe 2018 fã a ɛtɔ so mmienu no fã kɛseɛ no ara mu no, na carbon nneɛma anan a wɔde yɛ nneɛma a wɔde yɛ adwuma no sua, na ɛde Butadiene a wɔde ma denneennen wɔ United States. a ɛka ho ne ahwehwɛdeɛ a emu yɛ den a ɛfiri adansiɛ adwuma a ɛwɔ fam no mu baeɛ no, Butadiene boɔ a ɛwɔ United States no kɔɔ so kɔɔ soro wɔ afe a ɛtɔ so mmiɛnsa no mu wɔ bere a ɛkɔɔ soro bɛboro sɛnt 30/LB ($660/ton) wɔ fã a ɛdi kan no mu wɔ {4}{4} no mu wɔ {4} a ɛwɔ hɔ no ho
Sɛ yɛhwɛ 2019 a, gua so nneɛma a ɛkɔ soro no bɛma nneɛma bo akɔ fam. wɔ afe 2018 awiei anaasɛ afe 2019 mfiase, wɔde cracking units foforo bi bɛyɛ adwuma wɔ United States, a cracking units foforo a efi indama, South Africa Sasol ne Shin-etsu Chemical{5}} no ka ho no, wɔde bi a wɔde bɛka ho no ayɛ adwuma wɔ hɔ a, wɔde wɔn ho bɛto so sɛ wɔbɛma wɔn ho ayɛ wɔn kra no ayɛ yiye sɛ wɔbɛma wɔn ho ayɛ wɔn kra no ayɛ yiye sɛ wɔbɛma wɔn ho ayɛ wɔn yaw wɔ wɔn a wɔde wɔn ho ahyɛ mu no mu a wɔde wɔn ho bɛhyɛ mu wɔ ɔkwan foforo so no so. Nneɛma a wɔyɛ no bɛkɔ soro bɛyɛ tɔn ɔpepem 6 afe biara ansa na 2019. aba awiei .
Bere a krak no tumi kɔ soro no, carbon a wɔyɛ no mu nneɛma anan a wɔde yɛ nneɛma no bɛkɔ soro, ɛwom sɛ mpaapaemu akuw foforo no mu dodow no ara betumi de ethane adi dwuma sɛ ade a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a ɛba fam sen biara a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma a wɔde yɛ nneɛma foforo a ɛba fam sen biara.
Crackers foforo a wɔde bɛhyɛ wɔn nsa nnidiso nnidiso no bɛma butadiene a wɔyɛ wɔ United States no akɔ soro, a ɛbɛdan U.S. Butadiene gua no afi atetesɛm mu nneɛma a wɔde ma ho hia so akɔ nneɛma a ɛdɔɔso a wɔde ma so. Butadiene bo a ɛwɔ United States no fii ase kɔɔ fam wɔ November afe a etwaam no mu, bere a nkɔso a ɛba wɔ nneɛma a wɔyɛ mu ne nea wɔhwehwɛ no akɔ soro no ama nsu a ɛkɔ fam no akɔ fam wɔ nsu a ɛkɔ fam no mu{1} a ɛma nneɛma bo kɔ soro{1} no mu no{1} bo a ɛkɔ soro no{1} a ɛma nneɛma bo kɔ soro no{1} a ɛma nneɛma bo kɔ soro no{1} a ɛma nneɛma bo kɔ soro no{1} a ɛma nneɛma bo kɔ soro no{1} a ɛkɔ soro no{1} a ɛkɔ soro no{1} a ɛkɔ soro no{1} a ɛkɔ soro no{1} a ɛkɔ soro no{1} a ɛma nneɛma bo kɔ soro no{1} a ɛma nneɛma bo kɔ soro no{1} a ɛma nneɛma bo kɔ soro sen Nneɛma a ɛma nneɛma a ɛpaapae a emu yɛ duru, a ama nneɛma a ɛpaapae a emu yɛ duru akɔ soro, a ama carbon anan a wɔyɛ. a wɔyɛ no akɔ soro bere koro no ara mu no, nea wɔhwehwɛ no fii ase brɛɛ ase. wɔ ɔfã biako no, dwumadi ahorow a ɛma nneɛma fi hɔ wɔ afe 2018 awiei no maa nneɛma a wɔde tɔ nneɛma no so tew kɔɔ fam wɔ nsu a ɛtɔ gu fam no mu{5} Ɛba fam..
Wɔ afe 2019 mu no, petrol a wɔmfa nhyehyɛ mu bo a ɛbɛkɔ fam no bɛma sikasɛm a ɛwɔ nneɛma a ɛyɛ den a wɔde paapae nneɛma mu. no mu no akɔ soro wɔ nneɛma a wɔde ma no mu no bɛma Butadiene a ɛwɔ fam a wɔde yɛ adwuma no tumi a wɔde yɛ nneɛma no akɔ soro na ahyɛ nneɛma a wɔde kɔ amannɔne a ɛwɔ ɛka a ɛyɛ den.