Ingenieur Vol.82 April-June2020 | Page 65

BS Sieve Size Table 1: Grain Size of Bottom Ash in Malaysian Power Plant Percentage Retained (%) Cumulative Percentage Retained (%) Cumulative Percentage Passing (%) BS 3793:1990 Grade L1 (%) Grade L2 (%) ASTM C 330 – 89 (%) 5.00mm 0 0 100 90 – 100 90 – 100 85 – 100 2.36mm 30 30 70 55 – 100 60 – 100 - 2.00mm 5.6 35.6 64.4 1.18µm 19.2 54.8 45.2 35 – 90 40 – 80 40 – 80 850µm 8.8 63.6 36.4 600µm 6.8 70.4 29.6 20 – 60 30 – 60 500µm 3.2 73.6 26.4 425µm 2 75.6 24.4 300µm 5.6 81.2 18.8 10 – 30 25 – 40 10 – 35 150µm 10 91.2 8.8 18.8 10 – 30 5 – 25 75µm 3.2 94.4 5.6 Source: IOP Conf. Ser.: Mater. Sci. Eng. 160 012056 Source: http://iopscience.iop.org/1757-899X/160/1/012056 Figure 1: River Sand and Bottom Ash Particles Size Distribution 63