Koho ʻana i ke kaʻina hana hoʻomaloʻo no ka wehe ʻana i ka wai mai ke kinoea kūlohelohe
Hoʻolauna Hana
ʻO ke alo o ka wai i loko o ke kinoea kūlohelohe e alakaʻi pinepine ai i nā hopena koʻikoʻi: hoʻokumu ka wai a me ke kinoea kūlohelohe i nā hydrates ma lalo o kekahi mau kūlana, kahi e ālai ai i nā pipelines; eia kekahi, i mea e hoʻokō ai i nā ʻōkuhi maikaʻi o ka nui o ka wai (a i ʻole ke kiko hau) o nā huahana kinoea kūlohelohe, pono ka dehydration.
ʻO ka ka make wai kinoea kūlohelohe ʻo ke kaʻina hana ma ke ʻano laulā e komo pū ana me:
- Ka maloʻo ʻana o ka hau haʻahaʻa
- ʻO ka adsorption desiccant paʻa
- Ka omo ʻana o ka mea hoʻoheheʻe
- Ka hoʻokaʻawale ʻana o ka membrane
Hoʻohui pinepine ʻia ka dehydration haʻahaʻa haʻahaʻa me ka hoʻōla ʻana o ka hydrocarbon māmā nā papahana. Ke hoʻomaloʻo ʻia ke kinoea kūlohelohe ma o ka hoʻokaʻawale ʻana i ka hau, pono ke kinoea kūlohelohe i kahi kaomi kiʻekiʻe a i ʻole kahi kumu anu waho. No ka mea pono e hoʻokomo ʻia i ke kaomi a i ʻole e hāʻawi ʻia kahi kumu anu waho, ʻaʻole ia he mea hoʻokele waiwai no kēia hāmeʻa.
ʻO nā ʻano hana hoʻomaloʻo adsorption desiccant paʻa maʻamau he ʻano silica gel, ʻano sieve molekala a i ʻole ka hui pū ʻana o kēia mau ʻano ʻelua. ʻOi aku ke kiʻekiʻe o nā kumukūʻai hoʻopukapuka kālā a me ka hana o ka hāmeʻa ʻano adsorption ma mua o nā hāmeʻa dehydration glycol.
ʻO ke ʻano o ka hoʻopili ʻana o ka solvent ke ʻano i hoʻohana nui ʻia. ʻOiai he nui nā solvents e koho ai, hoʻohana ka hapa nui o nā hāmeʻa i nā solvents glycol. Hōʻike ʻia ka hoʻohālikelike ʻana o nā solvents dehydration like ʻole ma ka papa hoʻohālikelike o nā solvents dehydration.
Hoʻohālikelike ʻana o nā mea hoʻoheheʻe wai
| Mea hoʻoheheʻe wai | pono | hemahema | Manaʻo |
| Hoʻonā wai calcium chloride | ʻO ke kumukūʻai hana haʻahaʻa a me nā lako maʻalahi | Ua ʻino loa ka lako, ua liʻiliʻi ka hāʻule ʻana o ka hau (ma kahi o 11°C), a e hoʻokumu ka H2S i loko o ke kinoea kūlohelohe i ka ua. | ʻAʻole hoʻohana nui ʻia i kēia manawa, hoʻohana nui ʻia ma nā lua kinoea mamao a me nā wahi anuanu loa. |
| ʻO ka hopena wai Lithium chloride | Hiki i ke kiko hau ke hāʻule i 22 ~ 36 ℃, ʻoi aku ka liʻiliʻi o ka ʻino i nā lako ma mua o ka hopena wai calcium chloride. | Pipiʻi | Hoʻohana nui ʻia no ka hoʻomaloʻo ʻana i ka ea |
| ʻO ka hopena Diethylene glycol | ʻAʻole e paʻa ka hopena i hoʻopaʻa ʻia, paʻa ka mea hoʻoheheʻe i ka mahana hana, hygroscopicity kiʻekiʻe | Ua hoʻemi ʻia ke kiko hau ma 28 ℃, ʻoi aku ka haʻahaʻa ma mua o ka hopena triethylene glycol. ʻOi aku ka nui o ka pohō lawe ma mua o ka triethylene glycol, a kiʻekiʻe ka hoʻopukapuka kālā o ka hāmeʻa. | ʻAʻole hoʻohana nui ʻia i ka ʻoihana kinoea kūlohelohe |
| ʻO ka hopena Triethylene glycol | ʻAʻole e paʻa ka hopena i hoʻopaʻa ʻia, paʻa ka mea hoʻoheheʻe i ka mahana hana, a kiʻekiʻe loa ka hygroscopicity. Haʻahaʻa ke kaomi mahu, liʻiliʻi ka pohō lawe ʻana, a hiki ke hāʻule ke kiko hau i 40 ℃ | He kiʻekiʻe ke kālā hoʻopukapuka no ka hāmeʻa, a he ʻano maʻamau ko ka hopena e hoʻohuʻu | ʻO ia ke ʻano hoʻomaloʻo i hoʻohana nui ʻia ma ka ʻoihana kinoea kūlohelohe |
ʻOiai he nui ka hāʻule ʻana o ka hau o ka triethylene glycol, he haʻahaʻa ke kumukūʻai a he hana hilinaʻi hoʻi, ʻo ia ka mea hoʻokele waiwai loa ma waena o nā hui glycol. No laila, hoʻohana kēia mea hana ʻO ka triethylene glycol no ka hoʻomaloʻo ʻana.
ʻAno hana hana
1) ʻĀpana hoʻomaloʻo Triethylene glycol:
(1) Hale kiaʻi omo (me ka mea hoʻopihapiha)
(2) Mea hoʻololi wela TEG kinoea-lean
2) ʻĀpana hana hou ʻana o Triethylene glycol:
(1) Kānana mīkini wai momona Glycol
(2) Kānana kalapona hoʻāla wai momona Glycol
(3) Pahu hoʻopaʻa kinoea wahie
(4) Mea hoʻololi wela wai momona ʻole Triethylene glycol
(5) ʻO ka pamu kaʻapuni Triethylene glycol
(6) ʻO ka hāmeʻa i hui pū ʻia me ka hoʻoulu hou ʻana o ka triethylene glycol:
(a) Hale kiaʻi hana hou ʻana o Triethylene glycol
(b) Mea hoʻolapalapa hou ʻo TEG.
(c) Pahu Triethylene glycol
(d) Mea puhi
Hoʻokaʻaʻike:
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