Evaluating the Effect of Calcination and Grinding of Corn Stalk Ash on Pozzolanic Potential for Sustainable Cement-Based Materials

Table 1

Corn, corn stalk, and potential corn stalk ash production for top 25 countries of the world.

S #	Country	Corn production (mt)	Corn stalk production (50% of corn production [11]) (mt)	Corn stalk ash (6% of corn stalk [16]) production (mt)
1	USA	353,699,441	176,849,721	10610983
2	China mainland	218,489,000	109,244,500	6554670
3	Brazil	80,273,172	401,365,86	2408195
4	Argentina	32,119,211	160,596,06	963576.3
5	Ukraine	30,949,550	154,747,75	928486.5
6	India	23,290,000	116,450,00	698700
7	Mexico	22,663,953	113,319,77	679918.6
8	Indonesia	18,511,853	925,592,6.5	555355.6
9	France	15,053,000	752,6500	451590
10	Canada	14,193,800	709,6900	425814
11	South Africa	12,486,000	624,3000	374580
12	Russia Federation	11,634,943	581,7471.5	349048.3
13	Romania	11,347,637	567,3818.5	340429.1
14	Nigeria	10,400,000	520,0000	312000
15	Italy	7,899,617	394,9808.5	236988.5
16	Philippines	7,377,076	368,8538	221312.3
17	Hungry	6,724,800	336,2400	201744
18	Ethiopia	6,674,048	333,7024	200221.4
19	Turkey	5,900,000	295,0000	177000
20	Serbia	5,864,419	293,2209.5	175932.6
21	United Republic of Tanzania	5,356,350	267,8175	160690.5
22	Thailand	5,062,828	253,1414	151884.8
23	Pakistan	4,944,210	247,2105	148326.3
24	Germany	4,387,300	219,3650	131619
25	Paraguay	4,120,000	206,0000	123600
	Rest of the world	98,689,750	493,44875	2960693
	Total	1,018,111,958	509,055,979	30543359