Dab tsi yog qhov sib txawv ntawm ro membrane ntawm cov qauv ntsuas rov qab, qhov rov ua haujlwm tiag tiag, thiab qhov system rov qab?

1. Cov qauv kuaj rov qab

Cov txheej txheem rov qab los ntawm cov khoom siv membrane yog qhov rov qab tau txais los ntawm cov khoom siv membrane raws li cov qauv kev sim. Tus qauv rov qab tus nqi rau cov khoom siv dej khib nyiab yog 15%, thaum rau cov dej hiav txwv membrane nws yog 10%.

2. Rov qab tiag tiag

Qhov tseeb rov qab tus nqi ntawm cov khoom siv membrane yog hais txog kev rov qab los ntawm cov khoom siv membrane thaum siv tiag tiag. Txhawm rau txo qis cov pa phem ntawm cov khoom siv membrane thiab ua kom lawv lub neej ua haujlwm, cov chaw tsim khoom membrane tau ua kom pom tseeb cov kev cai ntawm qhov kev rov qab los ntawm cov ntaub ntawv ib leeg, uas yuav tsum tau ua kom rov zoo li qub ntawm txhua 1-meter-ntev membrane caij yuav tsum tsis pub tshaj 18%. Txawm li cas los xij, thaum cov txheej txheem membrane siv rau kev kho dej hauv theem ob rov qab osmosis system, qhov tseeb rov qab tsis yog txwv los ntawm qhov no thiab tso cai rau ntau tshaj 18%.

3. Qhov System Recovery

Tus nqi rov qab yog hais txog tag nrho tus nqi rov qab ntawm cov khoom siv rov qab osmosis thaum siv tiag tiag. Cov txheej txheem rov qab los yog cuam tshuam los ntawm ntau yam xws li qhov zoo ntawm cov dej pub, tus naj npawb thiab cov txheej txheem ntawm cov khoom siv membrane, thiab lwm yam. Cov khoom siv rov qab osmosis me me feem ntau muaj cov txheej txheem rov qab qis vim yog cov ntaub ntawv me me thiab cov dej ntws luv luv, thaum cov khoom siv loj rov qab osmosis feem ntau muaj cov txheej txheem rov qab los ntawm ntau dua 75%, qee zaum txawm tias ntev li 90% ntawm cov dej ntws.

Qee qhov xwm txheej, tus nqi rov qab los kuj tseem xav tau rau cov khoom siv rov qab osmosis me me kom tsis txhob nkim dej. Hauv qhov no, kev ntsuas sib txawv yuav tsum tau ua thaum tsim cov khoom siv rov qab osmosis. Txoj kev siv ntau tshaj plaws yog siv cov dej concentrated ib nrab ncig, uas yog, tsuas yog ib feem ntawm cov dej concentrated los ntawm cov khoom siv rov qab osmosis raug tso tawm, thiab cov seem seem tau xa mus rau hauv qhov nkag ntawm lub twj tso kua mis pub. Nyob rau lub sijhawm no, nws tuaj yeem ua kom ntseeg tau tias qhov chaw ntawm daim nyias nyias muaj peev xwm tswj tau qee qhov kev ntws tawm thiab ua tiav cov txheej txheem rov qab los ntawm tus neeg siv. Txawm li cas los xij, nws tsis pom zoo kom kho cov qhov nkag thiab qhov hluav taws xob ncaj qha ntawm cov khoom noj / cov dej ntshiab kom txhim kho qhov system rov qab. Yog tias qhov kev ua haujlwm no tau ua tiav, nws yuav ua rau kom muaj kuab paug ntawm daim nyias nyias, ua rau muaj qhov tshwm sim loj.

Qhov siab dua qhov system rov qab, cov dej tsawg dua, tab sis yog tias tus nqi rov qab siab dhau, cov teeb meem hauv qab no yuav tshwm sim:

① Tus desalination tus nqi ntawm cov khoom dej txo.

② Muaj peev xwm nag lossis daus me ntsis soluble ntsev.

③ Lub osmotic siab ntawm cov dej concentrated siab dhau lawm, ua rau txo qis hauv cov dej tsim tawm ntawm cov khoom.

Feem ntau, qhov rov qab tus nqi ntawm desalination systems rau cov dej brackish yog tswj ntawm 75%, uas txhais tau hais tias cov concentrated dej yog plaub zaug ntau concentrated. Thaum cov ntsev cov ntsiab lus ntawm cov dej nyoos tsawg, qee zaum 80% kuj siv tau. Yog hais tias cov ntsiab lus ntawm ib qho me ntsis soluble ntsev nyob rau hauv cov dej nyoos yog siab, tej zaum ib tug qis zog rov qab tus nqi kuj yog siv los tiv thaiv scaling.