Kayayyakin Carbon Da Aka Kunna
Lokacin zabar carbon da aka kunna don takamaiman aikace-aikacen, yakamata a yi la'akari da halaye iri-iri:
Tsarin Pore
Tsarin pore na carbon da aka kunna ya bambanta kuma galibi sakamakon kayan tushe ne da kuma hanyar samarwa.¹ Tsarin pore, a haɗe tare da ƙarfi mai ban sha'awa, shine abin da ke ba da damar haɓakawa ya faru.
Taurin / Abrasion
Hardness/haushi kuma mabuɗin abu ne a zaɓi. Yawancin aikace-aikace zasu buƙaci carbon da aka kunna don samun ƙarfin barbashi mai girma da juriya ga ɓarna (raguwar kayan cikin tara). Carbon da aka kunna daga harsashi na kwakwa yana da mafi girman taurin carbon da aka kunna.
Abubuwan Adsorptive
Abubuwan shayarwa na carbon da aka kunna sun ƙunshi halaye da yawa, gami da ƙarfin adsorptive, ƙimar talla, da ingantaccen tasirin carbon da aka kunna.
Dangane da aikace-aikacen (ruwa ko iskar gas), waɗannan kaddarorin na iya nuna su ta hanyoyi da yawa, gami da lambar aidin, yanki mai faɗi, da Ayyukan Tetrachloride na Carbon (CTC).
Yawaita bayyananne
Yayin da yawa na fili ba zai shafi adsorption kowace naúrar nauyi ba, zai shafi adsorption kowace juzu'in naúrar.
Danshi
Mahimmanci, adadin danshin jiki da ke ƙunshe a cikin carbon da aka kunna ya kamata ya faɗi cikin 3-6%.
Abubuwan Ash
Abun cikin toka na carbon da aka kunna shine ma'auni na inert, amorphous, inorganic, da mara amfani na kayan. Abubuwan da ke cikin toka da kyau za su yi ƙasa kaɗan kamar yadda zai yiwu, yayin da ingancin carbon ɗin da aka kunna yana ƙaruwa yayin da abun cikin ash ya ragu.
pH darajar
Ana auna ƙimar pH sau da yawa don hasashen yuwuwar canjin lokacin da aka ƙara carbon da aka kunna zuwa ruwa.
Girman Barbashi
Girman barbashi yana da tasiri kai tsaye akan motsin motsin adsorption, halayen kwarara, da kuma tacewa na carbon da aka kunna.
Samar da Carbon Mai Kunnawa
Ana samar da carbon da aka kunna ta hanyar manyan matakai guda biyu: carbonization da kunnawa.
Carbonization
A lokacin carbonization, da albarkatun kasa yana da thermal bazuwar a cikin wani inert yanayi, a yanayin zafi kasa 800 ºC. Ta hanyar iskar gas, abubuwa kamar oxygen, hydrogen, nitrogen, da sulfur, ana cire su daga kayan tushe.
Kunnawa
Dole ne a kunna kayan da aka sanya carbonized, ko char, yanzu don haɓaka tsarin pore. Ana yin wannan ta hanyar oxidizing caja a yanayin zafi tsakanin 800-900 ºC a gaban iska, carbon dioxide, ko tururi.
Dangane da abin da aka samo asali, ana iya aiwatar da tsarin samar da carbon da aka kunna ta amfani da ko dai thermal (na jiki / tururi) kunnawa, ko kunna sinadarai. A kowane hali, ana iya amfani da kiln rotary don sarrafa kayan cikin carbon da aka kunna.
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Lokacin aikawa: Agusta-07-2025