Umgaqo wokusebenza weDiatomite Filter Aid
Umsebenzi wezixhobo zokucoca kukutshintsha imeko yokuhlanganiswa kwamasuntswana, ngaloo ndlela kutshintsha ukusasazwa kobukhulu bamasuntswana kwi-filtrate. I-Diatomite Filter Aida yenziwe ikakhulu yi-SiO2 ezinzileyo ngokweekhemikhali, ene-micropores ezininzi zangaphakathi, ezenza iifreyimu ezahlukeneyo eziqinileyo. Ngexesha lenkqubo yokucoca, umhlaba we-diatomaceous uqala ngokwenza i-porous filter aid medium (pre coating) kwipleyiti yokucoca. Xa i-filtrate idlula kwi-filter aid, amasuntswana aqinileyo kwi-suspension enza imeko ehlanganisiweyo, kwaye usasazo lobungakanani luyatshintsha. Ukungcola kwamasuntswana amakhulu kuyabanjwa kwaye kugcinwe kumphezulu we-medium, kwenze umaleko wokusasazwa kobukhulu obuncinci. Ziyaqhubeka nokuvala nokubamba amasuntswana anobukhulu obufanayo, kancinci kancinci zenze ikhekhe lokucoca elinee-pores ezithile. Njengoko ukucoca kuqhubeka, ukungcola okunobukhulu obuncinci be-particle kungena kancinci kancinci kwi-porous diatomaceous earth filter aid medium kwaye kuyabanjwa. Ngenxa yokuba umhlaba we-diatomaceous unemibhobho emalunga ne-90% kunye nendawo enkulu yomphezulu othile, xa amasuntswana amancinci kunye neebhaktheriya zingena kwimingxunya yangaphakathi neyangaphandle yesixhobo sokucoca, zihlala zithintelwa ngenxa yokufunxwa kunye nezinye izizathu, ezinokunciphisa i-0.1 μ. Ukususwa kwamasuntswana amancinci kunye neebhaktheriya kwi-m kufezekise isiphumo esihle sokucoca. Umlinganiselo woncedo lokucoca ngokubanzi yi-1-10% yobunzima obuqinileyo obuthintelweyo. Ukuba umthamo uphezulu kakhulu, uya kuchaphazela ngokwenene ukuphuculwa kwesantya sokucoca.
Isiphumo sokucoca
Isiphumo sokuhluza seDiatomite Filter Aid sifezekiswa ikakhulu ngezenzo ezintathu ezilandelayo:
1. Isiphumo sovavanyo
Le yimpembelelo yokuhluza umphezulu, apho xa ulwelo luhamba emhlabeni we-diatomaceous, iimbobo zomhlaba we-diatomaceous zincinci kunobukhulu bee-particles zee-punctures, ngoko ke ii-punctures zokungcola azinakudlula kwaye zithintelwe. Le mpembelelo ibizwa ngokuba yi-sieving. Enyanisweni, umphezulu wekhekhe lesihluzo unokuthathwa njengomphezulu wesihluzo onobukhulu obulinganayo be-pore. Xa ububanzi bee-particles eziqinileyo bungaphantsi (okanye bungaphantsi kancinci) kobubanzi bee-pore bomhlaba we-diatomaceous, ii-particles eziqinileyo ziya "kukhutshelwa" ngaphandle kwe-suspension, zidlala indima ekuhluzeni umphezulu.
2. Isiphumo sobunzulu
Isiphumo sobunzulu sisiphumo sokugcina ukuhluzwa okunzulu. Kwi-deep filtration, inkqubo yokwahlula yenzeka kuphela ngaphakathi kwe-medium. Ezinye zeengceba ezincinci zokungcola ezidlula kumphezulu wekhekhe lesihluzo zithintelwa ziindlela ezijikelezayo ze-microporous ngaphakathi komhlaba we-diatomaceous kunye nee-pores ezincinci ngaphakathi kwekhekhe lesihluzo. Ezi ngceba zihlala zincinci kunee-micropores ezikumhlaba we-diatomaceous. Xa iingceba zingqubana nodonga lomjelo, kunokwenzeka ukuba ziphume kumjelo wolwelo. Nangona kunjalo, ukuba zinokukufezekisa oku kuxhomekeke kwibhalansi phakathi kwamandla angenamsebenzi kunye nokumelana kweengceba. Olu nyathelo lokuthintelwa kunye nokuhlola lufana ngokwemvelo kwaye lulolwesenzo soomatshini. Amandla okucoca iingceba eziqinileyo ngokusisiseko anxulumene kuphela nobukhulu kunye nokuma kweengceba eziqinileyo kunye nee-pores.
3. Isiphumo sokufunxa
Isiphumo sokufunxa sahlukile ngokupheleleyo kwiindlela ezimbini zokucoca ezikhankanyiweyo apha ngasentla, kwaye esi siphumo sinokubonwa njenge-electrokinetic attraction, exhomekeke kakhulu kwiimpawu zomphezulu wee-solid particles kunye ne-diatomaceous earth ngokwayo. Xa ii-particles ezine-internal pores ezincinci zingqubana nomphezulu we-diatomaceous earth ezine-porous, zitsalwa zii-charges ezichaseneyo okanye zenze ii-chain clusters ngokufunxana phakathi kwee-particles kwaye zinamathele kwi-diatomaceous earth, zonke ezizezokufunxa. Isiphumo sokufunxa siyinkimbinkimbi kunezimbini zokuqala, kwaye ngokubanzi kukholelwa ukuba isizathu sokuba ii-solid particles ezine-pore diameters ezincinci zithintelwe ikakhulu kungenxa:
(1) Amandla aphakathi kweemolekyuli (akwaziwa ngokuba kukutsalana kwevan der Waals), kuquka ukusebenzisana okusisigxina kwe-dipole, ukusebenzisana kwe-dipole okubangelwe yi-induced, kunye nokusebenzisana kwe-dipole okukhawulezileyo;
(2) Ukubakho kwamandla eZeta;
(3) Inkqubo yokutshintshiselana ngee-ion.
Ixesha lokuthumela: Epreli-01-2024