Ukwelashwa kwamanzi angcolilengokuvamile kuhilela ukukhishwa kwezinsimbi ezisindayo kanye/noma izakhi eziphilayo emanzini alahlwayo. Ukulawula i-pH ngokufaka amakhemikhali e-asidi/alkaline kuyingxenye ebalulekile yanoma yiluphi uhlelo lokuhlanza amanzi angcolile, njengoba kuvumela imfucuza encibilikisiwe ukuba ihlukaniswe emanzini ngesikhathi sokwelashwa.
Amanzi aqukethe ama-ion e-hydrogen ashajwe kahle kanye nama-ion e-hydroxide ashajwe kahle. Emanzini ane-acidic (pH<7), ukugxila okuphezulu kwama-ion e-hydrogen amahle kukhona, kuyilapho emanzini angathathi hlangothi, ukugxila kwe-hydrogen ne-hydroxide ion kulinganisa. Amanzi ane-alkaline (pH>7) aqukethe ama-ion e-hydroxide amaningi ngokweqile.
PH umthethonqubo kuukwelashwa kwamanzi angcolile
Ngokulungisa i-pH ngamakhemikhali, singasusa izinsimbi ezisindayo nezinye izinsimbi ezinobuthi emanzini. Emanzini amaningi agelezayo noma alahlwayo, izinsimbi nokunye ukungcola kuyancibilika futhi akuhlali. Uma siphakamisa i-pH, noma inani lama-ion e-hydroxide e-negative, ama-ion ensimbi ashajwe kahle azokwakha amabhondi nama-ion e-hydroxide ashajwe kabi. Lokhu kudala inhlayiya yensimbi eminyene, engancibiliki engadonswa emanzini angcolile ngesikhathi esithile noma ihlungwe kusetshenziswa umshini wokuhlunga.
I-pH ephezulu kanye ne-pH ephansi yokwelashwa kwamanzi
Ezimweni ezine-asidi ye-pH, i-hydrogen ephozithivu eyeqile kanye nama-ion ensimbi awanayo ibhondi, antante emanzini, ngeke adume. Ku-pH engathathi hlangothi, ama-ion e-hydrogen ahlangana nama-ion e-hydroxide akhe amanzi, kuyilapho ama-ion ensimbi engashintshile. Ku-pH ye-alkaline, ama-ion e-hydroxide engeziwe ahlangana nama-ion ensimbi ukuze akhe i-hydroxide yensimbi, engasuswa ngokuhlunga noma imvula.
Kungani ulawula i-pH emanzini angcolile?
Ngaphezu kwalezi zindlela zokwelapha ezingenhla, i-pH yamanzi ingase isetshenziselwe ukubulala amagciwane emanzini angcolile. Izinto eziningi eziphilayo kanye namagciwane esiwajwayele nesihlangana nawo nsuku zonke afaneleka kakhulu endaweni engathathi hlangothi noma ene-alkaline kancane. Ku-pH ene-asidi, ama-ion e-hydrogen engeziwe aqala ukwakha izibopho namaseli futhi awaphule, abambezele ukukhula kwawo noma awabulale ngokuphelele. Ngemuva komjikelezo wokuhlanza amanzi angcolile, i-pH kufanele ibuyiselwe ekungathathi hlangothi ngokusebenzisa amakhemikhali engeziwe, ngaphandle kwalokho izoqhubeka nokulimaza noma yimaphi amaseli aphilayo ewathintayo.
Isikhathi sokuthumela: Feb-24-2023