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Aikin ci gaba da kuma yadda ake amfani da fasahar membrane ta zamani game da amfani da magudanar ruwa

Lokaci: 2020-04-13 hits: 47

A farkon shekara ta 2000, an mayar da hankali kan masana'antar kula da magudanar ruwa don inganta ingancin ruwa, kuma bukatar fasahar kere-kere ta karu cikin sauri. Manyan masana'antun General Electric na Amurka sun kashe dala miliyan 760 a shekara ta 2006 don karɓar ƙirar Zenon Inc. don samun fasahar ta microfiltration / ultrafiltration membrane tare da shiga kasuwar maganin shara. Dala biliyan 3.2 ta sayar da kasuwancin ruwan sha ga SUEZ.

 

Shuihuan Fasaha, kwararre mai ba da kayayyaki na MBR a kasar Sin, ya tabbatar da ci gaban fasahar kere-kere, kuma ya samu ci gaba mai saurin shiga masana'antar ta hanyar ci gaba da kerar kere-kere. Ya ɗauki shekaru goma kawai daga kafa zuwa jerin. A cikin 'yan shekarun nan, tare da yaduwar manufar ma'asassar ruwa ta duniya da kuma bullo da tsirrai masu tsabtace ruwa, fasahar kula da magudanar ruwa ta bullo da wani sabon kirkira da canji. A cikin wannan bidiyon, fasahar membrane zata kasance mabuɗin.

 


Siffar ci gaban fasaha ta membrane

 

Since the discovery of infiltration by humans in 1784, membrane technology has been developing slowly for nearly two centuries. Until the 1950s, Hassler first proposed the application of membranes for desalination. With the development of materials science, membrane technology has been realized in the field of water treatment "Technology explosion". Membrane bioreactor (MBR) and reverse osmosis (RO) processes are rising rapidly in the world. Microfiltration membranes have replaced secondary sedimentation tanks, and reverse osmosis has gradually replaced traditional thermal methods as the mainstream process of seawater desalination.

 

Koyaya, bayan kusan shekaru 30 na ci gaba, fasaha na membrane ya ci karo da matsalolin ƙwallon ƙafa, kuma matsaloli kamar su membrane fouling, farashin sarrafawa da rayuwar membrane sun zama sananne. A cikin shekarar 2014, kamfanin samar da magudanan ruwa na farko na MBR na masana'antar a cikin Netherlands ya zaɓi rufe bayan shekaru 8 na aiki, wanda ya haifar da firgici a cikin masana'antar. Farashi da aiki ya zama abin da ya zama masana'antar masana'antu, kuma sabbin kayan fasaha sun gabato.

 

A lokaci guda, manufar kula da shara ta canza a kasashe daban-daban. Tsarin tsire-tsire masu kula da shara sun canza daga gidajen gargajiya na amfani da kuzari zuwa tashoshin sake girke-girke, kuma kamfanonin samar da ruwan sun kuma canza daga masu samar da makamashi na asali zuwa masu samar da albarkatu. A karkashin wannan babban yanayin, wane irin fasaha membrane zai iya biyan buƙata? Wataƙila tambaya ce da kowane mai fasaha na membrane ya buƙaci tunani a kai.

 Uku manyan wuraren aikace-aikacen fasahar membrane

 

Tsarin maganin zubar da ruwa na gari-membrane bioreactor (MBR)

 

Anyi nasarar amfani da membrane microfiltration (MF) da ultrafiltration membrane (UF) cikin nasara na MBR na tsarin kula da keɓaɓɓen shara, girman membrane shine tsakanin 0.02-0.4 μm, kayan membrane shine yawancin PVDF, kuma membrane sanyi yana amfani da membrane fiber membrane Ko fim mai lebur. A cewar kididdigar, ya zuwa shekarar 2017, akwai dakunan shan shara na birni sama da 200 MB wadanda ke da karfin tan dubu 10,000 a kasar Sin. Ana sa ran cewa nan da karshen shekarar 2018, karfin aikin jiyya na tsarin MBR a kasar Sin zai kai tan miliyan 14 a kowace rana. A cikin zurfin, wannan lambar har yanzu tana girma da sauri.

 

Masu ba da kasuwa na MBR sun hada da SUEZ, Mitsubishi, Bishuiyuan, Asahi Kasei, Tianjin Membrane, da sauransu A cikin shekaru goma da suka gabata, kamfanonin kasar Sin da Bishuiyuan suka wakilta sun ba da himma ga bincike mai zaman kansa da ci gaba, ta hanyar warware matsalolin fasaha na wasu kasashe masu tasowa. kuma sun sami fasahar samarda kayan kayan gaba na MBR. Tare da ayyukan 24 MBR, ya zama kamfanin tare da mafi yawan adadin ayyukan MBR a duniya.


 

MBN membrane module