PEMANFAATAN GAS BUANG PT. PERTAMINA UNIT PRODUKSI DUMAI DALAM PEMBUATAN PRECIPITATED CALCIUM CARBONATE (PCC) DENGAN SISTEM STATIS

Rizka, Permata Suci (2016) PEMANFAATAN GAS BUANG PT. PERTAMINA UNIT PRODUKSI DUMAI DALAM PEMBUATAN PRECIPITATED CALCIUM CARBONATE (PCC) DENGAN SISTEM STATIS. Diploma thesis, Universitas Andalas.

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Abstract

Rising gas CO2 gas content from fossil gas fuel combustion will raise green house effect that may cause global warming, and in the end will affect climate change and damaging ecosystem on earth. An affort to reduce air pollution is by recycle CO2 gas residue from PT.Pertamina RU II oil exploration in Dumai. The CO2 gas later will be used as precursors 0f Precipitated Calcium Carbonate (PCC). In this research PCC synthesis has been done by carbonation method with static system. Gas flow rate into into absorbsing solution are varied which are 0,6 L/min and 1,0 L/min that is flown for 30 minute in room temperature (25°C). The precipitated then dried in 110°C for 1 hour. The bigger gas flow rate that is given then the amount of product is smaller. The characterisation is done by using X-Ray Diffractometer (XRD) and Scanning Electron Microscope (SEM). The result showed CO2 residue gas can be formed into PCC. XRD data show PCC pplymorph that is performed is calcite which is proven by specific 2θ peak in 29,38° as highest peak, and SEM results showed calcite crystal shape is rhombohedral (cubic). Key word : CO2, PCC, carbonation, statis

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