ʻO ka mālama ʻana i ka ikehu kau a i ʻole ka ʻōlelo hoʻohiki nui o ka lele ʻana o ka zero-emission, ua ʻike lōʻihi ʻia ka hydrogen ma ke ʻano he ala ʻenehana koʻikoʻi i ka neutrality carbon. I ka manawa like, he waiwai nui ka hydrogen no ka ʻoihana kemika, ʻo ia ka mea hoʻohana nui loa i ka hydrogen ma Kelemania. I ka makahiki 2021, ua hoʻopau nā mea kanu kemika Kelemania i 1.1 miliona tons o ka hydrogen, ʻo ia ka mea e like me 37 terawatt hola o ka ikehu a ma kahi o ʻelua hapakolu o ka hydrogen i hoʻohana ʻia ma Kelemania.

Wahi a kahi noiʻi a ka German Hydrogen Task Force, hiki ke piʻi ka koi no ka hydrogen i loko o ka ʻoihana kemika i ʻoi aku ma mua o 220 TWH ma mua o ka hoʻokō ʻia ʻana o ka pahuhopu carbon neutrality i 2045. ʻO ka hui noiʻi, i haku ʻia e nā loea mai ka Society for Chemical Engineering. a me Biotechnology (DECHEMA) a me ka National Academy of Science and Engineering (acatech), i hana ʻia i ka hoʻolālā ʻana i kahi palapala alanui no ke kūkulu ʻana i ka hoʻokele waiwai hydrogen i hiki ai i nā ʻoihana, hoʻokele, a me nā mea hana kālai'āina ke hoʻomaopopo pū i nā mea e hiki mai ana o ka hoʻokele waiwai hydrogen a me ka pono e hana i kekahi. Ua loaʻa i ka papahana kahi haʻawina o € 4.25 miliona mai ka waihona kālā o ke Keʻena ʻOihana Hoʻonaʻauao a me ka noiʻi Kelemania a me ka Ministry of Economic Affairs and Climate Action. ʻO kekahi o nā wahi i uhi ʻia e ka pāhana, ʻo ia ka ʻoihana kemika (ʻaʻole hoʻi i nā refineries), e hoʻopuka ana ma kahi o 112 metric tons o carbon dioxide e like me kēlā me kēia makahiki. Ma kahi o 15 ka nui o ka nui o ka hoʻokuʻu ʻana o Kelemania, ʻoiai ʻo ka ʻāpana he 7 pakeneka wale nō o ka nui o ka ikehu.

Ma muli o ka hoʻohana ʻana o ka ʻoihana i nā wahie fossil ma ke ʻano he kumu kumu. ʻAʻole hoʻohana wale ka ʻoihana kemika i ka lanahu, ka aila, a me ke kinoea maoli ma ke ʻano he kumu ikehu, akā e uhaʻi pū i kēia mau kumuwaiwai ma ke ʻano he meaʻai i nā mea, ʻo ka carbon a me ka hydrogen, i mea e hui hou ʻia e hana i nā huahana kemika. ʻO kēia ke ʻano o ka hana ʻana o ka ʻoihana i nā mea maʻamau e like me ka ammonia a me ka methanol, a laila e hana hou ʻia i loko o nā plastics a me nā resins artificial, nā mea momona a me nā pena, nā huahana hoʻomaʻemaʻe pilikino, nā mea hoʻomaʻemaʻe a me nā lāʻau lapaʻau. Loaʻa i kēia mau huahana nā wahie mōʻalihaku, a ua haku ʻia kekahi me nā wahie mōʻalihaku, me ka puhi ʻana a i ʻole ka ʻai ʻana i nā kinoea ʻōmaʻomaʻo e helu ana i ka hapalua o ka hoʻokuʻu ʻana o ka ʻoihana, a ʻo ka hapa ʻē aʻe mai ke kaʻina hoʻololi.

ʻO ka hydrogen ʻōmaʻomaʻo ke kī i kahi ʻoihana kemika hoʻomau

No laila, inā loaʻa ka ikehu o ka ʻoihana kemika mai nā kumu hoʻomau, e hoʻemi wale ia i ka hoʻokuʻu ʻana. Hiki i ka ʻoihana kemika ke ʻoi aku ma mua o ka hapalua o kāna hoʻokuʻu ʻana ma o ka hoʻololi ʻana mai ka hydrogen fossil (hina) i ka hydrogen mau ('ōmaʻomaʻo). I kēia lā, ua hana ʻia ka hydrogen mai nā wahie fossil wale nō. ʻO Kelemānia, kahi e loaʻa ai ma kahi o 5% o kāna hydrogen mai nā kumuwaiwai hou, he alakaʻi honua. Ma ka makahiki 2045/2050, e piʻi aʻe ka koi hydrogen o Kelemania ma mua o ʻeono a ʻoi aku ma mua o 220 TWH. Hiki ke kiʻekiʻe ke koi kiʻekiʻe e like me 283 TWH, e like me 7.5 mau manawa i kēia manawa.