rjt

desalination ruwan teku

Rasa ruwan teku ya kasance mafarki ne da ’yan Adam ke bi na tsawon daruruwan shekaru, kuma an yi tatsuniyoyi da tatsuniyoyi na cire gishiri daga ruwan teku a zamanin da.An fara aiwatar da manyan fasahohin fasa ruwan teku a yankin Gabas ta Tsakiya maras busasshiyar, amma bai takaita ga yankin ba.Saboda sama da kashi 70% na al'ummar duniya dake zaune a cikin nisan kilomita 120 na teku, an yi amfani da fasahar kawar da ruwan teku cikin hanzari a kasashe da yankuna da dama da ke wajen Gabas ta Tsakiya cikin shekaru 20 da suka gabata.

Amma sai a ƙarni na 16 ne mutane suka fara ƙoƙarin hako ruwa mai daɗi daga ruwan teku.A lokacin, masu bincike na Turai sun yi amfani da murhu a cikin jirgin don tafasa ruwan teku don samar da ruwa mai dadi a cikin dogon tafiya.Dumama ruwan teku don samar da tururin ruwa, sanyaya da ƙwanƙwasa don samun ruwa mai tsafta shine ƙwarewar yau da kullun kuma farkon fasahar lalata ruwan teku.

Tsabtace ruwan teku na zamani ya samo asali ne bayan yakin duniya na biyu.Bayan yakin, saboda gagarumin bunkasuwar mai da babban birnin kasa da kasa ke yi a yankin gabas ta tsakiya, tattalin arzikin yankin ya bunkasa cikin sauri, kuma yawan al'ummarsa ya karu cikin sauri.Bukatar albarkatun ruwa a wannan yanki mai dausayi na asali ya ci gaba da karuwa kowace rana.Wuri na musamman da yanayin yankin gabas ta tsakiya, haɗe da albarkatun makamashi mai yawa, sun sanya tsabtace ruwan teku a matsayin zaɓi mai amfani don magance matsalar ƙarancin albarkatun ruwa a yankin, kuma sun gabatar da buƙatu na manyan kayan aikin kawar da ruwan teku. .

Tun daga shekarun 1950, fasahar kawar da ruwan teku ta hanzarta ci gabanta tare da tsanantar matsalar albarkatun ruwa.Daga cikin fiye da 20 fasahar disalination da aka ɓullo da, distillation, electrodialysis, da kuma reverse osmosis duk sun kai matakin samar da sikelin masana'antu kuma ana amfani da ko'ina a duniya.

A farkon shekarun 1960, fasahar kawar da ruwan teku mai dumbin yawa ta bulla, kuma masana'antar tsabtace ruwan teku ta zamani ta shiga wani zamani mai tasowa cikin sauri.

Akwai fasahar lalata ruwan teku sama da 20 na duniya, gami da reverse osmosis, ƙarancin inganci da yawa, evaporation na walƙiya da yawa, electrodialysis, matsananciyar tururi, raɓar raɓa, haɓakar ruwa mai ƙarfi, haɓakar fim mai zafi, da amfani da makamashin nukiliya, makamashin hasken rana, makamashin iska, fasahohin kawar da ruwa na makamashin teku, da kuma hanyoyin magancewa da yawa da kuma hanyoyin jiyya kamar microfiltration, ultrafiltration, da nanofiltration.

Daga faffadan rabe-rabe, ana iya raba shi zuwa kashi biyu: distillation (hanyar thermal) da hanyar membrane.Daga cikin su, ƙarancin tasirin sakamako mai yawa, fitar da walƙiya mai matakai da yawa, da kuma hanyar juyawa osmosis membrane sune manyan fasahohin duniya.Gabaɗaya magana, ƙarancin ingantaccen aiki yana da fa'idodin kiyaye makamashi, ƙarancin buƙatu don pretreatment na ruwan teku, da babban ingancin ruwa mai tsafta;Hanyar membrane osmosis na baya yana da fa'idodin ƙarancin saka hannun jari da ƙarancin amfani da makamashi, amma yana buƙatar manyan buƙatu don pretreatment na ruwan teku;Hanyar ƙafewar walƙiya da yawa yana da fa'idodi kamar fasaha mai girma, ingantaccen aiki, da manyan kayan aikin na'ura, amma yana da yawan kuzari.Gabaɗaya an yi imani da cewa ƙarancin ingantaccen aiki da kuma juyar da hanyoyin membrane osmosis sune kwatance na gaba.

 


Lokacin aikawa: Mayu-23-2024