Table 1 Chemical composition of POFA and OPC.

From: Synergistic effects and optimization of palm oil fuel ash and jute fiber in sustainable concrete

Chemical

composition

SiO2

CO2

Al2O3

Fe2O3

K2O

P2O5

CaO

MgO

TiO2

SO3

Cl

Zr

LoI

POFA

64.9

0.1

7.96

6.78

7.87

3.04

5.64

1.74

0.57

0.83

0.25

< LLD

–

OPC

21

–

5.5

3

0.7

–

64.5

2

0.3

2.8

0.1

–

0.1