Boleng ba metsi a noka bo lekolwa ke Setheo sa Tikoloho ka Lenaneo la Kakaretso la Tlhatlhobo ya Boleng (GQA) mme ho bohlokwa hore dikhemikhale tse ka bang kotsi ka nokeng di laolwe. Ammonia ke limatlafatsi tsa bohlokoa bakeng sa limela le algae tse phelang metsing a noka. Leha ho le joalo, ha mocheso oa noka o fetoha, ammonia ea ionized e fetoha khase ea ammonia e sa ionized. Sena se bolaea litlhapi le lintho tse ling tse phelang metsing ka nōkeng, kahoo ke habohlokoa ho lula u lekola maemo a ammonia.
Boleng ba metsi le bona bo bohlokoa bakeng sa limela tse hloekisang metsi tse sebelisang metsi a linōka e le mohloli oa tsona. Maemo a phahameng a ammonia metsing a ka baka mathata a maholo bakeng sa ts'ebetso ea ho bolaea likokoana-hloko. Ka ho lekanya ka katleho maemo a ammonia metsing a linōka moo ho kenang setsing sa ho hloekisa metsi, mokhatlo o khona ho sireletsa phepelo e kenang. Lits'ebetsong tse ling, seketsoana se ka koaloa ha maemo a ammonia a fihla maemong a holimo ka mokhoa o sa amoheleheng.
Mekhoa ea hona joale ea ho hlahloba ammonia e theko e boima ebile e rarahane, sebelisa li-electrode tse khethang li-ion le li-reagents tse theko e boima, li chefo ebile ho thata ho sebetsana le tsona. Li-monitor tsena le tsona ha li khethehe 'me li hloka ho lekoa ho tsoelang pele ho ikamahanya le litlhoko tse fapaneng, tse kang ho hloekisa metsi a litšila, ho hloekisa metsi a nooang le ho metha maemo a ammonia metsing a noka. Li-electrode tse khethang li-ion hangata li hloka hore letsatsi le leng le le leng ho be le zeroing le ho lekanya ka li-reagents.
Sesebelisoa sa HONDE ammonia se qoba mathata a li-monitor tsa setso tsa ammonia ka ho sebelisa mokhoa o ikhethileng ka ho felletseng. Ammonia e fetoleloa ho motsoako o tsitsitseng oa monochloramine ka mahloriso a lekanang le boemo ba ammonia ba pele. Ka mor'a moo, mahloriso a chloramine a ne a lekanyetsoa ho sebelisoa sensor ea polarographic e nang le karabelo e khethehileng ea chloramine. Khemistri ea karabelo e fa sebali kutlo e ntle haholo leha e le maemong a tlase haholo (ppb) ammonia.
Reagent e bonolo, theko e tlase le sekhahla sa tšebeliso e tlase. Kahoo litšenyehelo tsa ho ba beng li tlase haholo.
Likhamphani tse kholoanyane tsa metsi tsa UK le lilaboratori tse ngolisitsoeng ka molao tsa Environmental Agence li se li ntse li sebelisa li-monitor tsa HONDE ho beha leihlo boemo ba ammonia metsing a linōka ka nepo. Sistimi ena e ncha ea ammonia e tsoang ho Analytica Technologies e fa basebelisi mochini o sebetsang habonolo, o theko e tlaase ho o reka, o sebetsa o le tlase ebile o se na tšitiso ea litekanyo.
Nako ea poso: Nov-28-2024