Open AccessCharacterisation Of FGD Sludge From One of Glass Industrial in Malaysia and Their Potential as Ceramic Mould
Author(s) -
Fatin Fatini Othman,
Johar Banjuraizah,
Shing Fhan Khor,
Suffi Irni Alias,
Nik Akmar Rejab,
Syed Nuzul Fadzli Syed Adam
Publication year - 2021
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/2129/1/012093
Subject(s) - flue gas desulfurization , gypsum , sulfur dioxide , flue gas , waste management , incineration , calcium oxide , chemistry , calcium carbonate , scrubber , sulfur , pulp and paper industry , environmental science , metallurgy , materials science , inorganic chemistry , organic chemistry , engineering
Flue Gas Desulfurization (FGD) is a waste incineration process used to eliminate sulfur dioxide (SO 2 ) from flue gas power plants. Limestone/gypsum was injected into the plant to trap sulfur dioxide and change their chemical composition from calcium carbonate to calcium sulfate dehydrate, known as FGD sludge wet scrubber. Nowadays, it is necessary to overcome the environmental pollution caused by the massive production of FGD sludge waste through recycling. In this research, FGD sludge was characterised to reveal its chemical composition, crystalline phase, and FTIR spectra characteristics. FGD sludge recorded a moderate alkaline with a pH of 8.24. Based on the XRD result, FGD sludge was mainly composed of gypsum (CaSO 4 •2H 2 O) and anhydrite (CaSO 4 ). XRF analysis also shows that FGD sludge was mainly composed of calcium oxide, sulfur trioxide, silica, and potassium oxide.