Table 1 Masses of J-HGMPs at the oil–water interface and collected in the aqueous phase after oil recovery are listed and compared with M-Janus NPs.

From: Preparation of asymmetric Janus hollow silica microparticle and its application on oily wastewaters

Oily wastewaters

Janus HGMPsa

 

M-Janus NPsb

At oil–water interface (mg)

In aqueous phase (mg)

At oil–water interface (mg)

In aqueous phase (mg)

Crude oil

 ASW

91.2 ± 1.5 (91.2%)

8.8 ± 1.5

 

133.2 ± 2.3 (88.9%)

16.8 ± 2.3

 DI water

93.6 ± 2.1 (93.6%)

6.4 ± 2.1

Tap Water

137.3 ± 1.5 (91.5%)

12.7 ± 1.5

Diesel oil

 ASW

92.5 ± 1.2 (92.5%)

7.5 ± 1.2

 

128.3 ± 1.7 (85.5%)

21.7 ± 1.7

 DI water

94.3 ± 2.3 (94.3%)

5.7 ± 2.3

Tap Water

130.7 ± 3.4 (87.1%)

19.3 ± 3.4

  1. The measurements of the particle mass collected in the aqueous phase after oil recovery were repeated three times, and the error range was one standard deviation of the measurements. aData were collected in this work; bData were from Ref.32.
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