I tēnei wā, ko ngā tukanga mō te tango i te hēriuma mai i te hau maori i te kāinga me tāwāhi ko te tikanga cryogenic, te tikanga adsorption, te tikanga wehenga membrane, te huinga rānei o ngā tukanga e rua, e toru rānei e whakamahia ngātahitia ana.
1) Tikanga whakamatao hōhonu
Ko te whakamaroke matao hohonu he tikanga e whakamahia whānuitia ana i roto i te nuinga o ngā tipu whakaora hau māori reo-rahi ki te rahi. Ko te kaupapa matua ko te whakamahi i te hauota wai hei whakamatao (tata ki te -190 ℃) hei āta haere te whakapūmau i ngā warowaihā me ētahi atu wāhanga i roto i te hau māori, ā, nā te tino iti o te kohua o te hēriuma, ka wehea i te mutunga mai i ētahi atu wāhanga o te hau maori.
2) Tikanga mimiti pēhanga
Te te tukanga mimiti pēhanga (PSA) Ka whakamahia ngā momo momo mimiti hei mimiti i ngā wāhanga o te hau māori ehara i te heriuma, ā, ka wehea ngā hua heriuma. I te nuinga o te wā, ka whakakīia ngā pourewa mimiti PSA ki ngā moenga wehewehe o ngā rauemi mimiti rerekē hei whakahaere i ngā wāhanga rerekē o te hau māori, pērā i te silica gel, i ngā moenga alumina rānei hei tango wai, ngā moenga waro whakahohe hei tango i te hauhā, ngā moenga zeolite hei tango i te methane me te hauota, me ētahi atu. I muri i te whakakīkītanga o te mimiti i te hau poke, ka taea te whakamahi i ngā tikanga pērā i te depressurization backflushing, te papu korehau rānei hei whakakore i te hau poke, ā, ka whakahokia mai te mahi a te mimiti.
3) Tikanga wehenga kiriuhi
He hangarau wehewehe hou te kiriuhi wehenga hau. Ka whakawhitihia te papatipu e ngā wāhanga hau ki runga i ngā kiriata polymer (pēnei i ngā muka acetate, polypropylene, polysulfone, polyimide, me ētahi atu) i runga i te kaupapa o te horapa whakarewa. Ka tutuki te wehenga o ia wāhanga mā te whakarerekē i te wairewa me te tere horapa o ngā wāhanga hau rerekē i roto i te rauemi kiriuhi. Ina haere he ranunga o ngā hau e rua, neke atu rānei, i roto i te kiriata polymer, he nui ake te tere uruhanga o ngā wāhanga pēnei i te herium me te hauwai i tērā o te hauota, te methane, me ētahi atu warowaihā.
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