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The transformation of organic and inorganic sulphur during pyrolysis of a Western Australian lignite has been studied using several complimentary techniques. The lignite contains high moisture, oxygen, volatile matter, organic sulphur and inherent inorganic matter. FTIR and solid state 13 C TOSS NMR spectroscopic studies revealed that the high oxygen content is attributed to the oxygenated...
Low-temperature pyrolysis of putrescible garbage (PG) and mixtures of PG with sewage sludge (SS) was investigated with the aim to study the mechanisms and product distribution and to identify optimum process conditions for maximising the fuel oil yield. Experiments were performed in two rotary kiln type reactors in series, where the reaction temperature between 400 and 550°C and solid retention time...
Temperature-programmed pyrolysis (TPP) experiments are conducted on several samples prepared from a South Australian Bowmans coal, viz. raw, water-washed, acid-washed and Ca++ and Na+ ion-exchanged acid-washed samples, to study the influence of the physically absorbed (water-soluble) and organically bound (acid-soluble) inorganic matter on sulphur transformations during pyrolysis. Changes in sulphur...
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