Menene ma'anar carbon da aka kunna?
Carbon da aka kunna wani abu ne na halitta wanda aka sarrafa wanda yake da yawan abun cikin carbon.Alal misali, gawayi, itace ko kwakwa sun dace da albarkatun kasa don wannan.Samfurin da aka samu yana da babban porosity kuma yana iya haɗa ƙwayoyin gurɓatattun abubuwa da kama su, don haka yana tsarkake iska, gas da ruwaye.
Wadanne nau'i ne za a iya ba da carbon da aka kunna a ciki?
Ana iya kera carbon da aka kunna ta kasuwanci a cikin granular, pelletised da foda.An bayyana ma'auni daban-daban don aikace-aikace daban-daban.Misali, a cikin maganin iska ko iskar gas, ana shigo da ƙayyadadden ƙayyadaddun kwarara, don haka ana amfani da ɓangarorin da ba su da ƙarfi don rage asarar matsa lamba.A cikin jiyya na ruwa, inda tsarin cirewa ya kasance a hankali, sannan ana amfani da ɓangarorin mafi kyau don inganta ƙimar, ko motsi, na tsarin tsarkakewa.
Ta yaya carbon da aka kunna yake aiki?
Carbon da aka kunna yana aiki ta hanyar adsorption.Wannan jan hankali ne na kwayar halitta zuwa sararin sararin samaniyar carbon ta wurin raunanan runduna, wanda aka sani da sojojin London.Kwayoyin suna riƙe a wurin kuma ba za a iya cire su ba, sai dai idan yanayin tsari ya canza, misali dumama ko matsa lamba.Wannan na iya zama da amfani kamar yadda za a iya amfani da carbon da aka kunna don tattara abu a samansa wanda za'a iya cirewa daga baya kuma a dawo dasu.Amfani da carbon da aka kunna don dawo da gwal shine misalin gama gari na wannan.
A wasu lokuta, carbon da aka kunna ana bi da shi ta hanyar sinadarai don cire gurɓataccen abu kuma a wannan yanayin ba a dawo da sakamakon da aka samu gabaɗaya ba.
Fuskar carbon da aka kunna shima ba shi da cikakkiyar ma'ana, kuma ana iya samun matakai iri-iri na catalytic ta amfani da fa'idar faffadan sararin saman ciki da ke akwai.
Menene carbon da aka kunna akan aikace-aikace?
Carbon da aka kunna suna da fa'idodi daban-daban daga tacewa zuwa tsarkakewa da kuma bayansu.
A cikin 'yan shekarun nan, tsanani da kuma yawan matsalolin dandano da wari a cikin ruwan sha sun karu a duniya.Bayan matsalar kyan gani ga mabukaci, wannan kuma koyaushe yana haifar da rashin tabbas game da inganci da amincin ruwa.Abubuwan da ke da alhakin dandano da matsalolin wari na iya samun ɗan adam (masu fitarwa na masana'antu ko na birni) ko asalin halitta.A cikin akwati na ƙarshe, ana samar da su ta hanyar ƙananan ƙwayoyin cuta kamar cyanobacteria.
Mafi yawan mahadi guda biyu sune geosmin da 2-methylisoborneol (MIB).Geosmin, wanda ke da ƙamshi na ƙasa, galibi ana samar da shi ta hanyar cyanobacteria planktonic (an dakatar da shi cikin ruwa).MIB, wanda ke da wari, galibi ana samar da shi a cikin biofilm da ke tasowa akan duwatsu, tsire-tsire na ruwa da laka.Ana gano waɗannan mahadi ta sel masu ƙamshin ɗan adam a cikin ƙananan ƙima, har ma a cikin kewayon ƴan sassa na tiriliyan (ppt, ko ng/l).
Hanyoyin maganin ruwa na al'ada yawanci ba za su iya cire MIB da geosmin zuwa ƙasa da dandano da ƙamshi ba, wanda ke haifar da amfani da carbon da aka kunna don wannan aikace-aikacen.Hanyar da aka saba amfani da ita ita ce tare da carbon da aka kunna foda (PAC), wanda aka saka shi cikin rafi na ruwa akan lokaci don sarrafa abubuwan dandano & wari.
Lokacin aikawa: Maris-10-2022