The secondary recrystallization of manganese oxides and decomposition of MnO 2 into Mn 2 O 3 also happened during calcination process. NFM exhibited high Hg 0 removal efficiency E T > 80% over a broad temperature range 100 C–200 C , whereas calcination procedure had negative effects on Hg 0 removal performance.
In this thesis, the high-iron manganese ore is used to remove the chromium. After the adsorption is saturated, a certain magnetic field will be introduced, and the high-iron manganese ore will resume performance by the electrochemical desorption method. This thesis studies the reaction process and
Our previous study found that arsenate As V could be removed effectively by the adsorption process using a low-cost natural manganese oxide ore VMO and its modified forms . The Langmuir maximum As V adsorption capacity of VMO, Fe modified VMO Fe a -VMO , and Zr modified VMO Zr a -VMO was identified as 0.11 mg/g, 2.19 mg/g, and 1.94 mg ...
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Desorption of cobalt is performed with solution with pH value=4.5÷5.5 containing ions of copper and or nickel possessing higher affinity to functional groups of ionite, than cobalt. EFFECT: reduced amount of solution processing stages, reduced consumption of reagents and process equipment, increased efficiency and reduction of process cost.
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Desorption column for chrome ore high performance. the desorption electrolysis system is used for the processing of gold loaded carbon . complete equipment of desorption electrolysis system includes desorption column, electrolytic tank, electric heater, desorption tank. high efficiency when the gold loaded carbon grade reaches 3000gt, the .
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