Coal mai aiki na 'ya'yan itace yana taka muhimmiyar rawa a cikin sarrafa ruwa: Saboda buƙatun sarrafa ruwa na carbon mai aiki suna da yawa, kuma farashin carbon mai aiki yana da tsada, a cikin sarrafa ruwan sharar gida, ana amfani da carbon mai aiki don cire ƙananan gurɓataccen abubuwa daga ruwan sharar gida don cimma burin tsarkakewa mai zurfi.

1. aiki carbon sarrafa ruwa mai chromium. Chromium shine mafi girman amfani da ƙarfe a cikin electroplating, a cikin ruwan sharar gida chromium mai darajar shida yana wanzu a cikin nau'ikan daban-daban tare da darajar pH daban-daban. Active carbon yana da sosai ci gaba micropore tsari da kuma mafi girma fiye da farfajiyar yankin, yana da matukar karfi jiki adsorption iya tasiri adsorbing Cr (VI) a cikin sharar gida ruwa. Akwai yawan ƙungiyoyin oxygen kamar hydroxyl (-OH), carboxyl (-COOH), da dai sauransu a farfajiyar carbon mai aiki, duk suna da aikin tsayayyar lantarki, yana haifar da tasirin tsayayyar sinadarai a kan Cr (VI). Za a iya amfani da shi gaba ɗaya don sarrafa Cr (VI) a cikin ruwan datti na electroplating, ruwan datti bayan sha zai iya cimma ƙa'idodin fitarwa na ƙasa. Gwajin ya nuna: Cr (VI) da yawa a cikin bayani shine 50mg / L, pH = 3, lokacin shan 1.5h, aikin shan carbon mai aiki da yawan cirewar Cr (VI) sun sami mafi kyawun sakamako. Saboda haka, amfani da carbon mai aiki don sarrafa ruwan sharar gida mai chromium shine sakamakon haɗin gwiwar carbon mai aiki a cikin mafita na Cr (VI), sinadarai, sinadarai, da sauransu. Ma'aikacin carbon mai aiki yana da ruwan sharar gida mai chromium, yana da kwanciyar hankali, ingancin sarrafawa mai girma, ƙananan kudaden aiki, akwai wasu fa'idodi na zamantakewa da tattalin arziki tare da daban-daban hanyoyin raba abubuwa masu cutarwa a cikin ruwan sharar gida tare da ma'aikacin carbon mai aiki.

2. aiki carbon sarrafa ruwa mai ciki da cyanide. A masana'antu samar da, zinariya da azurfa da zafi hanyar cirewa, samar da sinadarai fiber, alchemy, ammonia na roba, electroplating, gas samar da masana'antu da sauransu duk amfani da cyanide ko sakamakon samar da cyanide, saboda haka a lokacin samar da tsari dole ne a fitar da wani adadi na ruwa mai ciki da cyanide. Ana amfani da carbon mai aiki don tsabtace ruwan sharar gida yana da dogon tarihi, kuma akwai rahotanni da yawa game da adabi da aka yi amfani da su don sarrafa ruwan sharar gida mai ciki da cyan. Amma saboda CN_, HCN a kan aiki charcoal ƙananan absorbing karfin, yawanci ne 3mgCN / gAC ~ 8mgCN / gAC daban-daban dangane da iri, a kan sarrafawa kudin ba daidai ba ne.

3. aiki carbon sarrafawa ruwa mai ƙunshi da mercury. Coal mai aiki yana da siffofin shan mercury da mahaɗan da ke dauke da mercury, amma ƙarfin shan yana da iyaka kuma yana dacewa ne kawai don sarrafa ruwan sharar gida tare da ƙananan ƙididdigar mercury. Idan matakan da ke dauke da mercury ne mafi girma, za a iya magance shi da hanyar samar da sinadarai, bayan magance shi yana dauke da mercury game da 1mg / L, har zuwa 2-3mg / L, sa'an nan kuma tare da carbon mai aiki don ƙarin magance carbon mai aiki shine hydrophobic adsorbent, yana da tasiri mai ƙarfi a kan abubuwan da ke cikin ruwa.