Table 9 Price analysis of GPZ2-10S-1N-60 T membrane (Sourced from Alibaba.com, July 2025).

From: Performance optimization and fouling study of geopolymer-zeolite composite membranes for sustainable textile wastewater treatment

Material

Price (USD/kg)

Quantity (kg/ m2)

Cost (USD/ m2)

Silica Fume

0.25

8.48

2.12

Metakaolin (calcined kaolin)

0.40

73.33

29.33

Sodium hydroxide

0.50

20.24

10.12

Total

-

-

41.57

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