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Ion-exchange membrane electrolyzer hose
Māhele Electrolysis: Hose Electrolyzer
a. Pūnaehana Anolyte
Hāʻawi ʻia ka brine super hoʻomaʻemaʻe ʻia mai ka pahu brine hoʻomaʻemaʻe super i kēlā me kēia electrolyzer manifold a laila puʻunaue ʻia i kēlā me kēia keʻena anode kahi e hoʻoheheʻe ʻia ai i loko o nā ion chlorine a me ka sodium. ʻO kahi mea hoʻoponopono kahe i hoʻolako ʻia me ka pipeline brine feed i kēlā me kēia kaapuni electrolyzer ke nānā nei i ka nui o ke kahe ʻana o ka brine maʻemaʻe.
He kahawai ʻelua ʻāpana o ka brine i hoʻopau ʻia a me ke kinoea chlorine pulu e kahe ana mai kēlā me kēia keʻena anode i loko o kahi ʻāpana hōʻiliʻili i hoʻolako ʻia me kēlā me kēia electrolyzer kahi i hoʻokaʻawale ʻia ai ka brine a me ke kinoea chlorine.
Kahe ka brine i hoʻopau ʻia mai ka manifold ma o ka paipu lālā a me ke poʻo nui i loko o kahi pahu anolyte ma o ka umekaumaha, aʻo ke kinoea chlorine e hoʻouna ʻia i ka B/L (ʻāpana hoʻoponopono kinoea chlorine).
Hoʻopili ʻia ka brine i hoʻopau ʻia mai ka pahu anolyte i ka ʻāpana dechlorination e ka mana pae. Hoʻohana hou ʻia kekahi o ka brine i hoʻopau ʻia i loko o ka pahu anolyte i nā electrolyzers ma o ka hui ʻana me ka brine super hoʻomaʻemaʻe hou.
Hāʻawi ʻia ka laina lako wai demineralized no ka dilution anolyte e pale ai i ka crystallization paʻakai i ka wā o ka pani ʻana a no ka hoʻoponopono ʻana i ka anolyte e hoʻokō i nā koi membrane i ka wā hoʻomaka.
b. Pūnaehana Catholyte
Hāʻawi ʻia ka recycle caustic i kēlā me kēia electrolyzer manifold ma o ka catholyte heat exchanger, a laila māhele ʻia i kēlā me kēia keʻena cathode kahi e hoʻoheheʻe ai ka hopena cathode i ka wai i loko o ka hydrogen a me nā ion hydroxide. ʻO kahi mea hoʻoponopono kahe i kau ʻia ma kēlā me kēia kaapuni electrolyzer e hoʻomalu i ka recycle caustic flow rate.
He kahawai ʻelua ʻāpana o ka hopena caustic a me ke kinoea hydrogen e kahe ana mai kēlā me kēia keʻena cathode i loko o kahi ʻāpana hōʻiliʻili i hoʻolako ʻia me kēlā me kēia electrolyzer kahi i hoʻokaʻawale ʻia ai ka solution caustic a me ka hydrogen.
Ke kahe nei ka hoʻonā caustic mai ka manifold i loko o ka paipu lālā, a ʻo ke poʻo nui i loko o ka pahu catholyte ma ka umekaumaha, ʻoiai ke hoʻouna ʻia ke kinoea hydrogen i ka ʻāpana hoʻoili hydrogen ma o ka lālā a me ka paipu poʻo. Ma ka haʻalele ʻana i ka pahu pahu hoʻoheheʻe hou, hoʻokaʻawale ka hopena caustic i ʻelua kahawai: kahi kahawai huahana i ka B/L a me kahi kahawai hoʻoheheʻe hou i nā electrolyzers.
Hoʻomaʻamaʻa a hoʻomaʻalili paha ka mea hoʻololi wela hoʻoheheʻe ʻana i ka caustic i hana hou ʻia e mālama i ka mahana hana electrolyzer ma 85 ~ 90 deg-C. I ka wā o ka hoʻomaka ʻana, hoʻohana ʻia ka mea hoʻololi wela o ka soda e hoʻomaʻamaʻa i ka electrolyte i loko o nā electrolyzers, e hoʻolalelale ana i ka loaʻa ʻana o ka ukana o kēia manawa me ka ʻole o ka uila.
Mālama ʻia ka ikaika caustic electrolyzer e kahi mea hōʻailona hoʻopaʻapaʻa caustic, a mālama mau ʻia ma kahi o 32wt%, ka ʻoi aku ka maikaʻi o ka hoʻokō ʻana o ka membrane, ma ke kāohi ʻana i ka nui o nā meaʻai wai demineralized i loko o ke kahawai caustic recycled.
No ka ʻike ʻana i nā mea ʻino o nā electrolyzers, ua hoʻokomo ʻia ka uila electrolyzer a me ka ʻōnaehana nānā ʻana i ka mahana.
c. Pūnaehana kinoea
Hoʻomalu ʻia ke kaomi kinoea hydrogen ma kahi kokoke. 400 mm H2O ʻoi aʻe ma mua o ke kaomi kinoea chlorine.