CAJ | 학술논문

从粉煤灰中回收镓具有显著的经济价值和环境意义。实验研究了粉煤灰原料的前处理过程并确定了最佳条件和确定了从粉煤灰中实际回收镓的工艺参数。本文对粉煤灰提取镓前期预处理从碱熔炼法和酸浸法进行了试验对比，确定了强碱性熔剂和氧化碱性熔剂的用量，碱熔时间为10 min，温度700～750℃时，浸出率达98.7％。获得了一种新的有应用价值的从粉煤灰中吸附回收镓预处理的工艺方法。
종분매회중회수가구유현저적경제개치화배경의의。실험연구료분매회원료적전처리과정병학정료최가조건화학정료종분매회중실제회수가적공예삼수。본문대분매회제취가전기예처리종감용련법화산침법진행료시험대비，학정료강감성용제화양화감성용제적용량，감용시간위10 min，온도700～750℃시，침출솔체98.7％。획득료일충신적유응용개치적종분매회중흡부회수가예처리적공예방법。
From the early stage of the fly ash extract gallium pretreatment smelting alkali and acid leaching method carried on the experiment contrast , the basic flux and oxidation alkaline fluxing agent were determined.The temperature was 700~750 ℃and the leaching rate was 98.8%.The new, useful and practical method of extracting gallium from coal fly ash was obtained.