<![CDATA[The effect weight of NaOH to zeolite formation from coal bottom ash has been investigated. Zeolite was synthesized by fussion with NaOH at 550oC, and variations weight of NaOH respectly: 2.5; 3.5; 4.5; 6.5 g and weight of Coal bottom ash is 2.5 g. The resulted by fussion with NaOH was hydrothermal treatment at 100oC, and 24 hour. The characterization result with IR Spectrophotometer and X-Ray diffraction showed that at variations weigh of NaOH/bottom ash (r) = 1, Na-P zeolite with increased intensity, A zeoliteand faujasite decreased intensity were obtained. The treatment r= 1.4, faujasite with increased intensity, but Na-P and A zeolite decreased intensity were obtained. The treatment r=1.8, sodalit increased intensity, and faujasite decreased intensity were obtained. The Treatment r=2.6, was obtained.]]>
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