Removal of turbidity from lake water using novel Chrysopogon zizanioides and Hemidesmus indicus

Abstract

The primary objective of the research is to investigate the efficacy of the natural filtration process utilising the novel species Chrysopogon zizanioides and Hemidesmus indicus for turbidity reduction. The novel Chrysopogon zizanioides and Hemidesmus indicus serve as filter media for the purpose of eliminating turbidity in lake water. The features of the natural fibres were determined using SEM analysis, EDS analysis, and FTIR analysis. There are two groups being considered: group 1 consists of the unique Chrysopogon zizanioides, and group 2 consists of Hemidesmus indicus. There are 18 samples in each category. The sample size is N = 36. The pretest power is determined using a significance level of 0.05 and a confidence level of 95%, resulting in a power of 80%. The turbidity level of the lake water is 25.5 NTU. Upon completion of the process, the new Chrysopogon zizanioides demonstrates a turbidity removal percentage of 77.24%, while Hemidesmus indicus achieves a turbidity removal percentage of 80.23%. The statistical analysis conducted using SPSS yielded a significance level of 0.224 (P < 0.5). The average NTU values of groups 1 and 2 are 6.50 and 5.65 correspondingly. The standard deviation for the two cases is 4.36939 and 4.02502, respectively. Hemidesmus indicus is more effective at removing turbidity than Chrysopogon zizanioides.