Tsarkakewa

Tsarkakewa tsari ne wanda ke cire ma'adanai daga ruwan gishiri. Fiye da haka, Tsarkakewa shine cire gishiri da ma'adanai daga wani abu. Misali daya shine cire gishiri daga ƙasa. Wannan yana da mahimmanci ga aikin gona. Yana yiwuwa a cire ruwan gishiri, musamman ruwan teku, don samar da ruwan amfani da mutum zai yi ko ban ruwa. Samfurin da aka samo daga tsarin cire gishiri brine saline. Yawancin jiragen ruwa da na karkashin ruwa suna amfani da cire ruwa. Sha'awar zamani game da cire gishiri galibi tana mai da hankali kan samar da Ruwa mai kyau don amfanin mutum. Tare da ruwan da aka sake amfani da shi, yana ɗaya daga cikin 'yan albarkatun ruwa masu zaman kansu daga ruwan sama.

Saboda amfani da makamashi, cire ruwan teku gabaɗaya ya fi tsada fiye da ruwa mai laushi daga ruwa mai zurfi ko ruwa mai zurfin ƙasa, sake amfani da ruwa da kiyayewa; duk da haka, waɗannan madadin ba koyaushe suke samuwa ba kuma raguwar ajiya matsala ce mai mahimmanci a duk duniya. Hanyoyin cire gishiri suna amfani da ko dai hanyoyin zafi (a cikin yanayin distillation) ko hanyoyin da suka danganci membrane (misali a cikin yanayin osmosis na baya). 

Wani kimantawa a cikin 2018 ya gano cewa "18,426 desalination plants suna aiki a cikin sama da ƙasashe 150. Suna samar da cubic mita miliyan 87 na ruwa mai tsabta kowace rana kuma suna samar da sama da mutane miliyan 300. ": 24 Ƙarfin makamashi ya inganta: Yanzu kusan 3 kWh / m3 (a cikin 2018), ya sauka da kashi 10 daga 20-30 kWh / M3 a cikin 1970. : 24 Duk da haka, desalination ya wakilci kusan kashi 25% na makamashi da Sashin ruwa ya cinye a cikin 2016.  : 24 

 Tarihi 
Tsohon masanin falsafar Girka Aristotle ya lura a cikin aikinsa na Meteorology cewa "ruwan gishiri, lokacin da ya juya ya zama tururi, ya zama mai daɗi kuma tururi ba ya sake samar da ruwan gishiri lokacin da ya taru", kuma cewa kyakkyawan jirgin ruwan zai riƙe ruwan sha bayan an nutse shi tsawon lokaci a cikin ruwan teku, bayan ya yi aiki a matsayin membrane don tace gishiri.

A lokaci guda an yi rikodin cire ruwan teku a kasar Sin. Dukkanin Classic of Mountains da Ruwa Seas a cikin Lokacin Yakin Jihohi da Ka'idar Shekara ɗaya a cikin Daular Han ta Gabas sun ambaci cewa mutane sun gano cewa matsunan bamboo da aka yi amfani da su don shinkafa za su samar da wani nau'i na waje bayan amfani da dogon lokaci. Fim ɗin da aka tsara yana da adsorption da musayar ion, wanda zai iya adsorb gishiri.

 Haɗin waje 


 Ƙungiyar Rashin Ruwa ta Duniya
 Kungiyar Rashin Rashin Ruwa ta Turai
 Ka'idodin aiki a cikin tsarin cire gishiri
 Rarraba fasahar cire ruwan 'ya'yan ruwa (CDT) 
 SOLAR TOWER Project - Tsabtace Wutar Lantarki don Desalination.
 Bayanan wallafe-wallafen
 Encyclopedia na Desalination da ruwa da albarkatun ruwa
 Manazarta
Rukuni:Ruwa