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Idethi yokuthunyelwe:5,Dec,2022

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Lokhu okubizwa ngokuthi i-coal-water slurry kubhekisela ekudakaleni okwenziwe ngamalahle angama-70% agayiwe, amanzi angu-29% kanye nezithasiselo zamakhemikhali ezingu-1%.Kunguphethiloli owuketshezi ongapontshwa futhi ufakwe inkungu njengowoyela owuphethiloli.Ingathuthwa futhi igcinwe ezindaweni ezikude, futhi inani layo le-calorific lilingana nengxenye yamafutha kaphethiloli.Isetshenziswe kuma-boilers ajwayelekile abaswa uwoyela, kwiziko le-cyclone, ngisho nasezithandweni zokulayisha ngokushesha zohlobo lweketango.Uma kuqhathaniswa ne-gasification yamalahle noma i-liquefaction, indlela yokucubungula udaka lwamalahle emanzini ilula, ukutshalwa kwezimali kuncane kakhulu, futhi izindleko nazo ziphansi, ngakho njengoba yathuthukiswa maphakathi nawo-1970, iye yadonsa ukunaka kwamazwe amaningi.izwe lami liyizwe elikhulu elikhiqiza amalahle.Itshale imali eningi kule ndawo futhi yazuza ulwazi olucebile.Manje sekungenzeka ngisho nokwenza udaka lwamanzi amalahle agxile kakhulu kumpushana wamalahle okhiqizwa ukugeza amalahle.

Izithasiselo zamakhemikhali zodaka lwamanzi amalahle empeleni zifaka phakathi izinto ezihlakazekayo, iziqinisi, ama-defoam nama-corrosives, kodwa ngokuvamile zibhekisela ezigabeni ezimbili zama-disperants kanye nezinzinzisi.Indima yesengezo yilezi: ngakolunye uhlangothi, amalahle ahlutshiwe angahlakazwa ngokufanayo endaweni yamanzi ngendlela yezinhlayiyana eyodwa, futhi ngasikhathi sinye, kuyadingeka ukwenza ifilimu ye-hydration ebusweni bomhlaba. i-particle, ukuze i-slurry yamanzi yamalahle ibe ne-viscosity ethile kanye ne-fluidity;

Ngakolunye uhlangothi, udaka lwamanzi amalahle lunozinzo oluthile lokuvimbela ukuna kwezinhlayiya zamalahle ezigxotshiwe kanye nokwakheka koqweqwe.Izakhi ezintathu i-CWS yekhwalithi ephezulu okufanele ibe nazo ukugxilisa ingqondo okuphezulu, isikhathi eside sokuzinza kanye noketshezi oluhle.Kunezihluthulelo ezimbili zokulungisa udaka lwamanzi amalahle olusezingeni eliphezulu: enye iyikhwalithi yamalahle enhle kanye nokusabalalisa okufanayo kosayizi wezinhlayiyana zempushana yamalahle, kanti enye iyizithasiselo zamakhemikhali ezinhle.Ngokuvamile, ikhwalithi yamalahle kanye nosayizi wezinhlayiyana zamalahle azinzile, futhi yizithasiselo ezidlala indima.

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Ukuze kuncishiswe izindleko zokukhiqiza udaka lwamanzi amalahle, eminyakeni yamuva nje, amanye amazwe anamathisele ukubaluleka okukhulu ocwaningweni nasekusetshenzisweni kwe-humic acid ne-lignin njengezithasiselo, ezingakhiqiza izithasiselo eziyinhlanganisela ezinakho kokubili imisebenzi e-disperant kanye ne-stabilizer.

 


Isikhathi sokuthumela: Dec-05-2022