A cikin 'yan shekarun nan, tsarin fasaha na masana'antun sinadarai na kasar Sin ya samu ci gaba mai ma'ana, wanda ya haifar da bambance-bambancen hanyoyin samar da sinadarai, da kuma banbanta kasuwar sinadarai.Wannan labarin yafi zurfafa cikin hanyoyin samarwa daban-daban na epoxy propane.

Bisa ga binciken, da gaske magana, akwai uku samar da matakai na epoxy propane, wato chlorohydrin Hanyar, co oxidation Hanyar (Halcon Hanyar), da kuma hydrogen peroxide kai tsaye hadawan abu da iskar shaka Hanyar (HPPO).A halin yanzu, hanyar chlorohydrin da hanyar HPPO sune manyan matakai don samar da propane na epoxy.

Hanyar Chlorohydrin hanya ce ta samar da epoxy propane ta amfani da propylene da chlorine gas a matsayin albarkatun kasa ta hanyar matakai kamar chlorohydrination, saponification, da distillation.Wannan tsari yana da yawan amfanin ƙasa na epoxy propane, amma kuma yana haifar da ruwa mai yawa da iskar gas, wanda ke da tasiri mai mahimmanci ga muhalli.

Hanyar co oxidation tsari ne don samar da propylene oxide ta amfani da propylene, ethylbenzene, da oxygen a matsayin kayan albarkatun kasa.Da farko, ethylbenzene yana amsawa da iska don samar da ethylbenzene peroxide.Sa'an nan, ethylbenzene peroxide yana jure yanayin hawan keke tare da propylene don samar da epoxy propane da phenylethanol.Wannan tsari yana da tsari mai rikitarwa mai rikitarwa kuma yana samar da samfurori da yawa, saboda haka, yana fuskantar mummunan tasiri akan muhalli.

Hanyar HPPO tsari ne na ƙara methanol, propylene, da hydrogen peroxide a cikin ma'auni na 4.2: 1.3: 1 zuwa reactor mai dauke da zeolite titanium silicate catalyst (TS-1) don amsawa.Wannan tsari na iya canza 98% na hydrogen peroxide, kuma zaɓin epoxy propane zai iya kaiwa 95%.Za'a iya sake yin amfani da ɗan ƙaramin adadin propylene da aka mayar da shi zuwa ga reactor don sake amfani da shi.

Mafi mahimmanci, epoxy propane da aka samar da wannan tsari a halin yanzu shine kawai samfurin da aka yarda don fitarwa a China.

Muna lissafin yanayin farashin daga 2009 zuwa tsakiyar 2023 kuma muna lura da canje-canjen samar da epichlorohydrin da tsarin HPPO a cikin shekaru 14 da suka gabata.

Hanyar Epichlorohydrin

1.Hanyar epichlorohydrin yana da riba ga mafi yawan lokaci.A cikin shekaru 14 da suka gabata, ribar samar da Epichlorohydrin ta hanyar chlorohydrin ya kai mafi girma a yuan/ton 8358, wanda ya faru a shekarar 2021. Duk da haka, a cikin 2019, an sami ɗan asarar yuan 55 / ton.

2.Juyin ribar hanyar epichlorohydrin ya yi daidai da canjin farashin epichlorohydrin.Lokacin da farashin epoxy propane ya karu, ribar samar da hanyar epichlorohydrin shima yana ƙaruwa daidai da haka.Wannan daidaito yana nuna tasirin gama gari na canje-canje a cikin wadatar kasuwa da buƙatu da ƙimar samfur akan farashin samfuran biyu.Misali, a cikin 2021, saboda barkewar cutar, yawan amfani da kumfa mai laushi ya karu sosai, wanda hakan ya sa farashin epoxy propane ya tashi, wanda a ƙarshe ya haifar da babban tarihi a cikin ribar samar da epichlorohydrin.

3.Canje-canjen farashin propylene da propylene oxide suna nuna daidaito na dogon lokaci, amma a mafi yawan lokuta, akwai bambanci mai mahimmanci a cikin haɓakar haɓakawa tsakanin su biyun.Wannan yana nuna cewa farashin propylene da epichlorohydrin suna tasiri da abubuwa daban-daban, tare da farashin propylene yana da tasiri musamman akan samar da epichlorohydrin.Saboda gaskiyar cewa propylene shine babban kayan da ake samarwa don samar da epichlorohydrin, canjin farashinsa zai yi tasiri mai mahimmanci akan farashin samar da epichlorohydrin.

Gabaɗaya, yawan ribar da ake samu na Epichlorohydrin a ƙasar Sin ya kasance cikin yanayi mai fa'ida a mafi yawan shekaru 14 da suka gabata, kuma yawan ribar da yake samu ya yi daidai da hauhawar farashin Epichlorohydrin.Farashin propylene muhimmin al'amari ne da ke shafar ribar samar da epichlorohydrin a China.

Hanyar HPPO epoxy propane

1.Hanyar HPPO na kasar Sin don epoxypropane ya kasance mai riba ga mafi yawan lokaci, amma ribar sa gabaɗaya ƙasa ce idan aka kwatanta da hanyar chlorohydrin.A cikin ɗan gajeren lokaci, hanyar HPPO ta sami hasarar asara a cikin epoxy propane, kuma a mafi yawan lokuta, matakin ribar da yake samu ya ragu sosai fiye da na hanyar chlorohydrin.

2.Saboda gagarumin karuwar farashin epoxy propane a shekarar 2021, ribar HPPO epoxy propane ta kai wani babban tarihi a shekarar 2021, ta kai matsakaicin yuan/ton 6611.Koyaya, har yanzu akwai tazarar kusan yuan/ton 2000 tsakanin wannan matakin riba da hanyar chlorohydrin.Wannan yana nuna cewa duk da cewa hanyar HPPO tana da fa'idodi a wasu fannoni, hanyar chlorohydrin har yanzu tana da fa'idodi masu mahimmanci dangane da fa'idar gaba ɗaya.

3.Bugu da ƙari, ta hanyar ƙididdige ribar hanyar HPPO ta yin amfani da farashin hydrogen peroxide na 50%, an gano cewa babu wani mahimmanci mai mahimmanci tsakanin farashin hydrogen peroxide da farashin farashin propylene da propylene oxide.Wannan yana nuna cewa ribar hanyar HPPO ta kasar Sin na epoxypropane tana takurawa farashin propylene da babban taro hydrogen peroxide.Saboda kusancin kusanci tsakanin hauhawar farashin waɗannan albarkatun ƙasa da samfuran tsaka-tsaki da abubuwa kamar wadatar kasuwa da buƙatu da farashin samarwa, ya yi tasiri sosai kan samar da ribar epoxy propane ta amfani da hanyar HPPO.

Canjin ribar samar da hanyar epoxy propane ta kasar Sin HPPO a cikin shekaru 14 da suka gabata ya nuna halin samun riba mafi yawan lokaci amma tare da karancin riba.Kodayake yana da fa'idodi a wasu fannoni, gabaɗaya, ribar sa har yanzu yana buƙatar haɓakawa.A lokaci guda, riba na hanyar HPPO epoxy propane yana da tasiri sosai ta hanyar canjin farashin albarkatun ƙasa da samfuran matsakaici, musamman propylene da babban taro hydrogen peroxide.Don haka, masana'antun suna buƙatar sa ido sosai kan yanayin kasuwa da daidaita dabarun samarwa cikin hankali don cimma mafi kyawun matakin riba.

Tasirin manyan kayan albarkatun ƙasa akan farashin su a ƙarƙashin tsarin samarwa guda biyu

1.Ko da yake sauye-sauyen ribar hanyar epichlorohydrin da hanyar HPPO suna nuna daidaito, akwai bambance-bambance masu mahimmanci a cikin tasirin albarkatun kasa akan ribar su.Wannan bambance-bambancen yana nuna cewa akwai bambance-bambance a cikin sarrafa farashi da ikon sarrafa riba tsakanin waɗannan hanyoyin samarwa guda biyu yayin da ake fuskantar hauhawar farashin albarkatun ƙasa.

2.A cikin hanyar chlorohydrin, adadin propylene zuwa farashi ya kai matsakaicin 67%, yana lissafin fiye da rabin lokaci, kuma ya kai matsakaicin 72%.Wannan yana nuna cewa a cikin tsarin samar da chlorohydrin, farashin propylene yana da tasiri mafi girma akan nauyi.Don haka, canjin farashin propylene yana da tasiri kai tsaye akan farashi da ribar samar da epichlorohydrin ta hanyar chlorohydrin.Wannan abin lura ya yi daidai da yanayin dogon lokaci na riba da kuma sauye-sauyen farashin propylene a cikin samar da epichlorohydrin ta hanyar chlorohydrin da aka ambata a baya.

Sabanin haka, a cikin hanyar HPPO, matsakaicin tasirin propylene akan farashin sa shine 61%, tare da wasu suna da tasiri mafi girma a 68% kuma mafi ƙasƙanci a 55%.Wannan yana nuna cewa a cikin tsarin samar da HPPO, kodayake tasirin tasirin farashin propylene yana da girma, ba shi da ƙarfi kamar tasirin hanyar chlorohydrin akan farashin sa.Wannan na iya zama saboda gagarumin tasirin wasu albarkatun ƙasa kamar hydrogen peroxide da aka yi amfani da su a cikin tsarin samar da HPPO akan farashi, don haka rage tasirin farashin propylene akan farashi.

3.Idan farashin propylene ya canza da kashi 10%, tasirin chlorohydrin zai wuce na hanyar HPPO.Wannan yana nufin cewa lokacin fuskantar hauhawar farashin propylene, farashin hanyar chlorohydrin ya fi shafa, kuma in mun gwada da magana, hanyar HPPO tana da mafi kyawun sarrafa farashi da iya sarrafa riba.Wannan abin lura ya sake nuna bambance-bambancen da ake samu dangane da sauyin farashin albarkatun kasa tsakanin hanyoyin samarwa daban-daban.

Akwai daidaito a cikin canjin riba tsakanin hanyar chlorohydrin na kasar Sin da kuma hanyar HPPO na epoxy propane, amma akwai bambance-bambance a tasirin albarkatun kasa akan ribar su.Lokacin da ake ma'amala da hauhawar farashin albarkatun ƙasa, hanyoyin samar da kayayyaki guda biyu suna nuna nau'ikan sarrafa farashi daban-daban da ikon sarrafa riba.Daga cikin su, hanyar chlorohydrin ta fi dacewa da sauyin farashin propylene, yayin da hanyar HPPO tana da kyakkyawan juriya na haɗari.Waɗannan dokokin suna da mahimmancin jagora ga kamfanoni don zaɓar hanyoyin samarwa da tsara dabarun samarwa.

Tasirin kayan taimako da albarkatun ƙasa akan farashin su a ƙarƙashin matakan samarwa guda biyu

1.Tasirin chlorine mai ruwa akan farashin samar da Epichlorohydrin ta hanyar chlorohydrin ya kai matsakaicin 8% kawai a cikin shekaru 14 da suka gabata, kuma ana iya la'akari da kusan ba shi da tasirin farashi kai tsaye.Wannan abin lura ya nuna cewa sinadarin chlorine na ruwa yana taka rawa sosai wajen samar da sinadarin chlorohydrin, kuma sauyin farashinsa ba shi da wani tasiri a kan farashin epichlorohydrin da chlorohydrin ke samarwa.

2.Tasirin farashi na babban taro hydrogen peroxide akan hanyar HPPO na epoxy propane yana da girma fiye da na iskar chlorine akan tasirin farashin hanyar chlorohydrin.Hydrogen peroxide shine mabuɗin oxidant a cikin tsarin samar da HPPO, kuma canjin farashinsa yana da tasiri kai tsaye akan farashin epoxy propane a cikin tsarin HPPO, na biyu kawai zuwa propylene.Wannan kallo yana nuna mahimmancin matsayi na hydrogen peroxide a cikin tsarin samar da HPPO.

3.Idan kamfani ya samar da iskar gas na chlorine, za a iya yin watsi da tasirin farashin iskar chlorine akan samar da epichlorohydrin.Wannan na iya kasancewa saboda ɗan ƙaramin iskar chlorine da aka samar, wanda ke da ɗan ƙayyadaddun tasiri akan farashin samar da epichlorohydrin ta amfani da chlorohydrin.

4.Idan an yi amfani da 75% maida hankali na hydrogen peroxide, tasirin farashin hydrogen peroxide akan hanyar HPPO na epoxy propane zai wuce 30%, kuma tasirin farashin zai ci gaba da ƙaruwa da sauri.Wannan lura yana nuna cewa epoxy propane da aka samar ta hanyar HPPO ba kawai ya shafi gagarumin sauye-sauye a cikin albarkatun albarkatun propylene ba, har ma da gagarumin canji a farashin hydrogen peroxide.Saboda karuwar yawan adadin hydrogen peroxide da aka yi amfani da shi a cikin tsarin samar da HPPO zuwa 75%, adadin da farashin hydrogen peroxide shima yana ƙaruwa daidai.Akwai karin abubuwan da ke da tasiri a kasuwa, haka nan kuma canjin ribar da yake samu zai karu, wanda zai yi tasiri sosai kan farashin kasuwarsa.

Akwai bambanci mai mahimmanci a cikin tasirin farashin kayan kayan taimako don ayyukan samar da epichlorohydrin ta amfani da hanyar chlorohydrin da hanyar HPPO.Tasirin chlorine mai ruwa akan farashin epichlorohydrin da aka samar ta hanyar chlorohydrin yana da ɗan ƙaramin ƙarfi, yayin da tasirin hydrogen peroxide akan farashin epichlorohydrin da hanyar HPPO ke samarwa ya fi mahimmanci.A lokaci guda kuma, idan kamfani ya samar da iskar chlorine na kansa ko kuma yayi amfani da nau'i daban-daban na hydrogen peroxide, tasirin sa kuma zai bambanta.Waɗannan dokokin suna da mahimmancin jagora ga kamfanoni don zaɓar hanyoyin samarwa, tsara dabarun samarwa, da aiwatar da sarrafa farashi.

Dangane da bayanai na yanzu da abubuwan da ke faruwa, ayyukan da ke gudana na epoxy propane a nan gaba za su zarce sikelin yanzu, tare da mafi yawan sabbin ayyukan da ke ɗaukar hanyar HPPO da hanyar ethylbenzene co oxidation.Wannan al'amari zai haifar da karuwar bukatar albarkatun kasa irin su propylene da hydrogen peroxide, wanda zai yi tasiri sosai akan farashin epoxy propane da kuma yawan farashin masana'antu.

Ta fuskar farashi, kamfanoni masu haɗaɗɗen ƙirar sarkar masana'antu za su iya sarrafa tasirin tasirin albarkatun ƙasa, ta yadda za a rage farashi da haɓaka gasa ta kasuwa.Saboda gaskiyar cewa mafi yawan sababbin ayyukan na epoxy propane a nan gaba za su yi amfani da hanyar HPPO, buƙatar hydrogen peroxide kuma za ta karu, wanda zai kara nauyin tasirin farashin hydrogen peroxide akan farashin epoxy propane.

Bugu da kari, saboda amfani da hanyar ethylbenzene co oxidation a cikin sabbin ayyukan epoxy propane nan gaba, buƙatun propylene shima zai ƙaru.Sabili da haka, nauyin tasirin tasirin farashin propylene akan farashin epoxy propane shima zai karu.Wadannan abubuwan zasu kawo ƙarin kalubale da dama ga masana'antar epoxy propane.

Gabaɗaya, ci gaban masana'antar epoxy propane a nan gaba za a rinjayi ayyukan ci gaba da albarkatun ƙasa.Don kamfanonin da ke ɗaukar hanyoyin HPPO da ethylbenzene co oxidation, ana buƙatar ƙarin kulawa don sarrafa farashi da haɓaka sarkar masana'antu.Ga masu samar da albarkatun kasa, ya zama dole don ƙarfafa kwanciyar hankali na samar da albarkatun ƙasa da kuma kula da farashin don inganta kasuwar gasa.