Kwanan nan, Kamfanin Hydro na Norway ya fitar da wani rahoto yana mai da'awar cewa ya cimma daidaito tsakanin kamfanonin carbon a cikin 2019, kuma ya shiga zamanin rashin carbon daga 2020. Na zazzage rahoton daga gidan yanar gizon kamfanin kuma na yi nazari sosai kan yadda Hydro ya samu tsaka tsaki na carbon lokacin da yawancin kamfanoni ke cikin matakin "carbon kololuwar".
Bari mu fara ganin sakamakon.
A cikin 2013, Hydro ya ƙaddamar da dabarun sauyin yanayi tare da burin zama tsaka tsaki na carbon daga yanayin rayuwa ta 2020. Da fatan za a lura cewa, daga yanayin yanayin rayuwa.
Bari mu dubi ginshiƙi mai zuwa. Tun daga shekarar 2014, fitar da iskar Carbon na kamfanin gaba daya yana raguwa kowace shekara, kuma an rage shi zuwa kasa da sifili a shekarar 2019, wato, fitar da iskar Carbon da daukacin kamfanin ke fitarwa a cikin samarwa da tsarin aiki ya yi kasa da raguwar fitar da samfurin a matakin amfani.
Sakamakon lissafin ya nuna cewa a cikin 2019, iskar carbon kai tsaye na Hydro ya kai tan miliyan 8.434, iskar carbon kai tsaye ya kai tan miliyan 4.969, hayakin da aka yi da sare itatuwa ya kai ton 35,000, tare da jimillar fitar da tan miliyan 13.438. Kididdigar kuɗin carbon da samfuran Hydro za su iya samu a matakin amfani sun yi daidai da ton miliyan 13.657, kuma bayan fitar da iskar carbon da ƙididdigar carbon ɗin, iskar carbon ta Hydro ba ta da tan 219,000.
Yanzu yaya abin yake aiki.
Na farko, ma'anar. Daga yanayin yanayin rayuwa, ana iya bayyana tsaka tsakin carbon ta hanyoyi da yawa. A cikin dabarun yanayi na Hydro, an ayyana tsaka-tsakin carbon a matsayin ma'auni tsakanin hayaki yayin aikin samarwa da raguwar hayaki yayin lokacin amfani da samfur.
Wannan samfurin lissafin tsarin rayuwa yana da mahimmanci.
Tsarin yanayin yanayi na Hydro, daga ra'ayi na kamfanin, yana rufe duk kasuwancin da ke ƙarƙashin ikon mallakar kamfani, Samfurin ƙididdige fitar da iskar carbon ya ƙunshi duka iyakokin 1 (duk iskar gas kai tsaye) da Matsakaicin iskar gas na 2 (haɗaɗɗen iskar gas a kaikaice saboda sayan wutar lantarki, zafi ko amfani da tururi) kamar yadda Majalisar Kasuwanci ta Duniya don Ci gaba mai dorewa ta WBCSD GHG Protocol ta ayyana.
Hydro ya samar da ton miliyan 2.04 na aluminum na farko a cikin 2019, kuma idan iskar carbon ya kai ton 16.51 na CO² / ton na aluminum bisa ga matsakaicin duniya, to iskar carbon a cikin 2019 yakamata ya zama ton miliyan 33.68, amma sakamakon shine ton miliyan 13.403 kawai), carbon (4843.4) na duniya mai nisa.
Mafi mahimmanci, ƙirar ta kuma ƙididdige raguwar watsi da samfuran aluminum suka kawo a matakin amfani, wato, adadi na -13.657 ton miliyan a cikin adadi na sama.
Hydro yana rage yawan iskar carbon a cikin kamfanin ta hanyoyi masu zuwa.
[1] Yin amfani da makamashi mai sabuntawa, yayin inganta fasaha don rage yawan amfani da wutar lantarki na aluminum
[2] Ƙara amfani da aluminum da aka sake yin fa'ida
[3] Yi ƙididdige raguwar carbon na samfuran Hydro yayin matakin amfani
Saboda haka, rabin tsaka tsakin carbon na Hydro ana samun su ta hanyar rage yawan hayaki na fasaha, sauran rabin kuma ana ƙididdige su ta hanyar ƙira.
1.Ikon Ruwa
Hydro shine kamfani na uku mafi girma na samar da wutar lantarki a Norway, tare da ƙarfin yau da kullun na 10TWh na shekara-shekara, wanda ake amfani dashi don samar da aluminium electrolytic. Fitar da iskar Carbon da ke samar da aluminium daga wutar lantarki bai kai na duniya ba, domin galibin abubuwan da ake samar da aluminium na farko a duniya suna amfani da wutar lantarki da ake samu daga albarkatun mai kamar iskar gas ko kwal. A cikin samfurin, samar da wutar lantarki ta Hydro na aluminum zai maye gurbin sauran aluminum a kasuwannin duniya, wanda yayi daidai da rage fitar da hayaki. (Wannan dabarar ta taru ne.) Wannan wani bangare ya dogara ne akan bambanci tsakanin aluminum da aka samar daga wutar lantarki da matsakaicin duniya, wanda aka ƙididdige shi ga jimillar hayaƙin Hydro ta wannan tsari:
Inda: 14.9 shine matsakaicin matsakaicin wutar lantarki na duniya don samar da aluminum 14.9 kWh / kg aluminum, kuma 5.2 shine bambanci tsakanin iskar carbon da aka samar da Hydro da matakin "matsakaicin duniya" (ban da China). Dukkanin alkaluma sun dogara ne kan rahoton kungiyar Aluminum ta kasa da kasa.
2. Ana amfani da aluminum da aka sake yin fa'ida da yawa
Aluminum karfe ne wanda za'a iya sake yin amfani da shi kusan har abada. Fitar da carbon da aka sake yin fa'ida shine kusan kashi 5% na na aluminium na farko, kuma Hydro yana rage fitar da iskar carbon gaba ɗaya ta hanyar amfani da aluminium da aka sake fa'ida.
Ta hanyar wutar lantarki da ƙari na aluminium da aka sake fa'ida, Hydro ya sami damar rage fitar da carbon na kayayyakin aluminium zuwa ƙasa da tan 4 na CO²/ton na aluminum, har ma zuwa ƙasa da tan 2 na CO²/ton na aluminum. Kayayyakin gami na CIRCAL 75R na Hydro suna amfani da fiye da kashi 75% na aluminum da aka sake yin fa'ida.
3. Yi ƙididdige raguwar iskar carbon da aka samar ta hanyar amfani da samfuran aluminum
Hydro ta model yi imani da cewa ko da yake primary aluminum zai emit da yawa greenhouse gas a samar mataki, da nauyi aikace-aikace na aluminum iya ƙwarai rage makamashi amfani, game da shi rage greenhouse iskar gas a cikin amfani mataki, da kuma wannan bangare na da rage watsi da lalacewa ta hanyar nauyi aikace-aikace na aluminum ne kuma lissafta a cikin carbon tsaka tsaki gudunmawar na Hydro, wato, adadi na 13.657 ton miliyan. (Wannan dabarar tana da ɗan rikitarwa kuma mai wahala a bi.)
Saboda Hydro kawai yana siyar da samfuran aluminium, yana fahimtar aikace-aikacen ƙarshen aluminium ta hanyar sauran kamfanoni a cikin sarkar masana'antu. Anan, Hydro yana amfani da Ƙimar-Cycle-Cycle (LCA), wanda ke iƙirarin zama ɓangare na uku mai zaman kansa.
Alal misali, a fannin sufuri, nazarin ɓangare na uku ya nuna cewa kowane 1kg na aluminum wanda aka maye gurbinsa da 2kg na karfe, 13-23kg na CO² za a iya rage tsawon rayuwar abin hawa. Dangane da girman samfuran aluminium da aka sayar wa masana'antu daban-daban na ƙasa, kamar marufi, gini, firiji, da sauransu, Hydro yana ƙididdige raguwar fitar da hayaƙi da ke haifar da samfuran aluminium da Hydro.
Lokacin aikawa: Yuli-20-2023