#$%^&*AU2018101200A420180920.pdf#####ABSTRACT A method for the production of Bricks & Blocks and Construction Plaster utilising carbonate rich coastal desert sand calcined in rotary kiln to produce high purity Lime (CaO) and Silica - and waste fly ash from thermal power production, resulting in environmentally sustainable material to mitigate the use of scarce natural sands.Figure 1 illustrates the Thermogravimetric Analysis of Desert Sand Fig 1 110 0 692.41*C 100 1.5 -1 90 R.0 - --2 80 70- 796"C 0.5- -3 60- .- 4 0 200 400 600 800 1000 E- Up Temperature (*C) Fig 2 illustrates the Calcination temperature chart used to achieve -99.9% calcination of Calcium Carbonate to Calcium Oxide Fig 2 130 0 120110 --- 2 737"C 781 *C F - ~750*Ci -100 i 798"C 90 21 90- 2 .4 i% --4 Rodricks Sand 2. 5"C/min 2E.02% 80- Rodricks Sand 1, 5"C/min 30.27% Rodricks Sand 1, 10*C/min -5 Rodricks Sand 1, 2.5*C/min 70 -6 0 200 400 600 800 1000 Ex Up Temperature ("C)
展开▼
机译：＃$％^＆* AU2018101200A420180920.pdf #####抽象一种利用富含碳酸盐的砖块和建筑灰泥的生产方法在回转窑中煅烧的沿海沙漠砂产生高纯的石灰（CaO）和二氧化硅-火力发电产生的废粉煤灰，产生了环境可持续的材料减轻稀缺天然沙的使用。图1说明了沙漠沙的热重分析图。1110 0692.41 * C1001.5 -190R.0---28070-796“摄氏度0.5- -360- .- 402004006008001000上温（* C）图2说明了用于实现-99.9％的煅烧的煅烧温度图碳酸钙到氧化钙图2130 0120110-2737“ C 781 * C F-〜750 * C i-100我798英寸90 21 90- 2 .4 i％--4罗德里克斯沙2。5“ C / min 2E.02％80- Rodricks Sand 1，5“ C / min 30.27％Rodricks Sand 1，10 * C / min -5罗德里克斯沙1，2.5 * C / min70-602004006008001000防爆温度（℃）
展开▼
