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Table 3 Summary of previous studies in comparison to this study

From: Separation of microalgae from bacterial contaminants using spiral microchannel in the presence of a chemoattractant

Studies

Fluid medium

Cross-section

Microalgae Separation eff. (%)

Bacteria removal ratio (%)

References

Desmodesmus sp and E. coli

Glycine solution

W-cross-section

96

87

This study

Desmodesmus sp and E. coli

Distilled water

W- cross-section

96

66

This study

Desmodesmus sp and E. coli

Glycine solution

U-cross-section

92

72

This study

Desmodesmus sp and E. coli

Distilled water

U-cross- section

91

63

This study

Chlorella vulgaris and Bacillus subtilis

Polyethylene oxide

Rectangular cross-section

100

92.97

Yuan et al. (2019)

Cosamarium and Chlorella vulgaris

Distilled water

Rectangular cross-section

60–80

–

Lee and Yao (2018)

Chlorella from Closterium and Platymonas

Phosphate buffer solution

Rectangular cross-section

 > 80

–

Wang et al. (2020)

Monoraphidium and Cyanothece

Distilled water

Rectangular cross-section

77

–

Schaap et al.

(2016)

Platymonas and Closterium

Phosphate buffer solution

Rectangular cross -section

90

–

Wang et al. (2019)

Tetraselmis sp and Chlorella sp

Distilled water

Rectangular cross-section

 ≥ 90

–

Wang et al. (2021)

C. reinhardtti and E. coli

Distilled water

Rectangular cross-section

100

100

Robla et al. (2021)

B. subtilis with

varying sizes

Polyethylene oxide solution

Rectangular

cross-section

97.5

 

Liu et al. (2022)

Rhodomonas, Alexandrum and E. coli

Distilled water

Circular cross-section

89

75

Korensky et al. (2021)

Platymonas and Chlorella

Phosphate buffer solution

Triangular cross-section

85.7

–

Wang (2021)