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Ion-exchange inwebu ithumbu electrolyzer
Icandelo le-Electrolysis: Umbhobho we-Electrolyzer
a. Inkqubo ye-Anolyte
Ibrine esulungekiswe kakhulu esuka kwitanki yebrine esulungekisiweyo kakhulu idliswa kwi-electrolyzer manifold nganye kwaye emva koko isasazwe kwigumbi ngalinye le-anode apho ibola khona ibe yiklorini kunye neeyoni zesodium. Isilawuli sokuqukuqela esixhotyiswe ngombhobho we-fid brine kwisekethe ye-electrolyzer nganye sihlola izinga lokuhamba kwebrine esulungekisiweyo kakhulu.
Isigaba esibini somlambo we-brine ephelileyo kunye negesi yeklorini emanzi iphuphuma ukusuka kwigumbi ngalinye le-anode ukuya kwindawo yokuqokelela exhotywe nge-electrolyzer nganye apho i-brine ephelileyo kunye negesi ye-chlorine yahlulwe.
I-brine ephelileyo evela kwi-manifold igeleza ngombhobho wesebe kunye nentloko eyintloko kwi-tank ye-anolyte ngokuxhuzula, ngelixa igesi ye-chlorine ithunyelwa kwi-B / L (icandelo lokucubungula igesi ye-chlorine).
I-brine ephelileyo esuka kwitanki ye-anolyte iphonswe kwicandelo le-dechlorination ngumlawuli wezinga. Enye i-brine ephelelweyo kwitanki ye-anolyte iphinda isetyenziswe kwi-electrolyzers ngokuxutywa ne-brine entsha ecocekileyo ecocekileyo.
Uluhlu lonikezelo lwamanzi adityanisiweyo lubonelelwa nge-anolyte dilution ukuthintela i-crystallization yetyuwa ngexesha lokuvalwa kunye nohlengahlengiso loxinzelelo lwe-anolyte ukuhlangabezana neemfuno ze-membrane ngexesha lokuqalisa.
b. Inkqubo yeCatholyte
I-recycle caustic iyondliwa kwi-electrolyzer nganye ngeendlela ezininzi ngokusebenzisa i-catholyte exchanger heat, kwaye isasazwe kwigumbi ngalinye le-cathode apho i-cathode reaction ibolisa amanzi kwi-hydrogen kunye nee-ion ze-hydroxide. Isilawuli sokuqukuqela esifakwe kwisekethe ye-electrolyzer nganye silawula irecycle caustic flow rate.
Umlambo wamanqanaba amabini esisombululo se-caustic kunye negesi ye-hydrogen iphuphuma ukusuka kwigumbi ngalinye le-cathode ibe yingqokelela eninzi exhotywe nge-electrolyzer nganye apho isisombululo se-caustic kunye ne-hydrogen yahlulwe.
Isisombululo se-caustic esivela kwi-manifold sihamba ngombhobho wesebe, kunye nentloko eyintloko kwitanki ye-catholyte ngokuxhuzula, ngelixa igesi ye-hydrogen ithunyelwa kwicandelo lokucubungula igesi ye-hydrogen ngokusebenzisa isebe kunye nombhobho wentloko. Emva kokushiya i-recycle caustic tank, isisombululo se-caustic sahlula sibe yimijelo emibini: umlambo wemveliso ukuya kwi-B / L kunye nokuphinda kusetyenziswe i-caustic stream kwi-electrolyzers.
Isitshintshi sobushushu se-caustic soda siyafudumeza okanye sipholise i-caustic esetyenzisiweyo ukugcina ubushushu bokusebenza kwe-electrolyzer kuma-85 ~ 90 deg-C. Ngexesha lokuqalisa, i-caustic soda exchanger heat exchanger isetyenziselwa ukufudumeza i-electrolyte kwii-electrolyzers, ukukhawulezisa ukufikelela komthwalo okhoyo ngoku ngaphandle kombane ogqithisileyo.
Amandla e-electrolyzer caustic abekwe esweni sisalathisi soxinaniso lwe-caustic, kwaye ngokuqhelekileyo agcinwe malunga nama-32wt%, owona msebenzi wogxininiso we-membrane, ngokulawula umyinge wesondlo samanzi okhutshwe iiminerali kumsinga ohlaziyiweyo we-caustic.
Ukubona izinto ezingaqhelekanga ze-electrolyzers, i-electrolyzer voltage kunye nenkqubo yokubeka iliso lokushisa ifakiwe.
c. Inkqubo yegesi
Uxinzelelo lwerhasi yehidrojini ilawulwa malunga ne-approx. I-400 mm H2O iphezulu kunoxinzelelo lwegesi yeklorini.