Ukusetyenziswa kwee-Surfactants kwiZichumisi
Ukuthintela ukugawulwa kwezichumisi: Ngokuphuhla kweshishini lezichumisi, amanqanaba okuchumisa anyukileyo, kunye nokwanda kolwazi ngokusingqongileyo, uluntu luye lwabeka iimfuno eziphezulu kwiinkqubo zokuvelisa izichumisi kunye nokusebenza kwemveliso.izinto ezibangela ukudumbakunokuphucula umgangatho wezichumisi. Ukugalela iinkukhu kube ngumceli mngeni kwixesha elide kwishishini lezichumisi, ngakumbi kwi-ammonium bicarbonate, i-ammonium sulfate, i-ammonium nitrate, i-ammonium phosphate, i-urea, kunye nezichumisi ezidityanisiweyo. Ukuthintela ukugalela iinkukhu, ukongeza kumanyathelo okhuseleko ngexesha lokuveliswa, ukupakisha, kunye nokugcinwa, ii-surfactants zingongezwa kwizichumisi.
I-Urea idla ngokuqaba xa ithuthwa kwaye igcinwa, nto leyo echaphazela kakhulu ukuthengiswa kwayo kunye nokusetyenziswa kwayo. Le nto yenzeka ngenxa yokuphinda iqatywe phezu komphezulu weegranules ze-urea. Ukufuma ngaphakathi kweegranules kuyahamba kuye kumphezulu (okanye kutsale umswakama womoya), kwenze umaleko omncinci wamanzi. Xa amaqondo obushushu etshintshatshintsha, olu mswakama luyaphela, nto leyo ebangela ukuba isisombululo esigcweleyo kumphezulu siqine size siqine.
ETshayina, izichumisi ze-nitrogen zikho kwiindlela ezintathu: i-ammonium nitrogen, i-nitrate nitrogen, kunye ne-amide nitrogen. Isichumisi se-nitro sisichumisi esiqulathe uxinano olukhulu esiqulathe i-ammonium kunye ne-nitrate nitrogen. Ngokungafaniyo ne-urea, i-nitrate nitrogen kwisichumisi se-nitro inokufunxwa ngqo zizityalo ngaphandle kokuguqulwa kwesibini, nto leyo ekhokelela ekusebenzeni kakuhle. Izichumisi ze-nitro zifanelekile kwizityalo ezithengiswayo ezifana necuba, umbona, iivatala, iziqhamo, imifuno, kunye nemithi yeziqhamo, zisebenza ngcono kune-urea kumhlaba we-alkaline nakwiindawo zaseKarst. Nangona kunjalo, ekubeni izichumisi ze-nitro compound ikakhulu zine-ammonium nitrate, e-hygroscopic kakhulu kwaye idlula kwiinguqu ze-crystal phase kunye notshintsho lobushushu, zidla ngokubanjwa.
Ukusetyenziswa kwee-Surfactants ekuLungiseni uMhlaba oNgcolisiweyo
Ngokuphuhliswa kwamashishini afana neekhemikhali zepetrochemicals, amayeza, kunye neeplastiki, izinto ezahlukeneyo ezingcolisa umhlaba ezingcolisa umhlaba (umz., iihydrocarbons zepetroleum, ii-halogenated organics, ii-polycyclic aromatic hydrocarbons, izibulali-zinambuzane) kunye nee-ion zesinyithi ezinzima zingena emhlabeni ngokuchitheka, ukuvuza, ukukhutshwa kwemveliso, kunye nokulahla inkunkuma, nto leyo ebangela ungcoliseko olukhulu. Izinto ezingcolisa umhlaba ezingcolisa umhlaba zibopha ngokulula nezinto eziphilayo zomhlaba, zinciphisa ukufumaneka kwazo kwaye zithintele ukusetyenziswa komhlaba.
Ii-surfactants, ezizii-molecules ezihlala emanzini abandayo, zibonisa ulwalamano oluqinileyo neeoyile, ii-hydrocarbons ezinuka kamnandi, kunye nee-organics ze-halogenated, nto leyo eyenza ukuba zisebenze kakuhle ekulungiseni umhlaba.
Ukusetyenziswa kwee-Surfactants kuLondolozo lwaManzi ezolimo
Imbalela yingxaki yehlabathi, apho ilahleko yesivuno sezityalo ngenxa yembalela ilingana nelahleko edibeneyo evela kwezinye iintlekele zemozulu. Inkqubo yokunciphisa ukufuma ibandakanya ukongeza izinto ezibangela ukufuma kwiinkqubo ezifuna ukugcinwa komswakama (umz., amanzi ezolimo, umphezulu wezityalo), ukwenza ifilimu enganyibilikiyo kumphezulu. Le filimu ithatha indawo encinci yokufuma, inciphisa indawo esebenzayo yokufuma kwaye igcine amanzi.
Xa zitshizwa phezu kwezityalo, izinto ezibangela ukubola zenza isakhiwo esijonge ngqo phezulu: iziphelo zazo ezibangela ukubola (zijonge kwisityalo) ziyaxosha kwaye zivale ukufuma kwangaphakathi, ngelixa iziphelo zazo ezibangela ukubola (zijonge emoyeni) zenza kube lula ukufuma komoya. Isiphumo esidibeneyo sithintela ukulahleka kwamanzi, siphucula ukumelana nembalela yezityalo, kwaye sonyusa isivuno.
Isiphelo
Ngamafutshane, ii-surfactants zisetyenziswa ngokubanzi kubuchwepheshe bezolimo banamhlanje. Njengoko kuvela iindlela ezintsha zezolimo kwaye kuvela imingeni emitsha yongcoliseko, imfuno yophando oluphambili kunye nophuhliso lwe-surfactants iya kukhula. Kuphela kukudala ii-surfactants ezisebenzayo kakhulu ezilungiselelwe le ntsimi apho sinokukhawulezisa ukuphunyezwa kokuhlaziywa kwezolimo eTshayina.
Ixesha leposi: Agasti-15-2025
