000			02706cam a2200337 a 4500
003			EG-GiCUC
005			20250223032040.0
008			180909s2018 ua dh f m 000 0 eng d
040			_aEG-GiCUC _beng _cEG-GiCUC
041	0		_aeng
049			_aDeposite
097			_aM.Sc
099			_aCai01.13.12.M.Sc.2018.Ab.R
100	0		_aAbourehab Elmenshawy Hammam Hassan
245	1	0	_aReduction of iron ore fines for sponge iron production / _cAbourehab Elmenshawy Hammam Hassan ; Supervised Saad Megahed Elraghey , Abdelhady Abdelhady Elgeassy
246	1	5	_aاختزال نواعم خام الحديد لإنتاج الحديد الإسفنجي
260			_aCairo : _bAbourehab Elmenshawy Hammam Hassan , _c2018
300			_a105 P. : _bcharts , facsimiles ; _c30cm
502			_aThesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Metallurgical Engineering
520			_aThe reduction of iron ore fines/charcoal or coal composite compacts was carried out isothermally at 900-1100oC and non-isothermally up to 1100{u00B0}C using different heating rates 5, 10, 15 and 20{u00B0}C/min in a flow of Ar gas. The reduction reaction of iron ore /C composite compacts was carried out using thermogravimetric (TG) and Quadruple Mass Spectrometer (QMS) techniques. TG technique was applied to measure the total mass loss resulted during the reduction process as a function of time. Alternatively, QMS was used for the quantitative analysis of CO and CO2 in the outlet gases from the reduction reactions at different time intervals. For iron ore fine compacts, the reduction reaction was performed isothermally at 800-1100oC and non-isothermally up to 1000{u00B0}C using different heating rates 5, 10, 15 and 20{u00B0}C/min with purified CO gas and the total mass loss resulted during the reduction process as a function of time was followed by TG technique. The different phases developed during reduction of compacts were identified by X-ray diffraction analysis and the average crystallite sizes were calculated from the obtained X-ray data. The structural changes accompanying the reduction process were examined with reflected light microscope (RLM) and with scanning electron microscope (SEM). The reduction kinetics and mechanism deduced from TG and QMS techniques were correlated and discussed
530			_aIssued also as CD
653		4	_aDirect reduction
653		4	_aNon-coking coal
653		4	_aWaste iron ore fines
700	0		_aAbdelhady Abdelhady Elgeassy , _eSupervisor
700	0		_aSaad Megahed Elraghey , _eSupervisor
856			_uhttp://172.23.153.220/th.pdf
905			_aNazla _eRevisor
905			_aShimaa _eCataloger
942			_2ddc _cTH
999			_c67363 _d67363