Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| test | test sample formulation | oil residual rate (%) | oil removal efficiency (%) |
|---|---|---|---|
| 1 | Na2SiO3 + SDBS | 8.71 | 73.58 |
| 2 | Na2SiO3 + JFC-SF | 10.65 | 67.71 |
| 3 | SDBS + JFC-SF | 13.24 | 59.87 |
| 4 | Na2SiO3 + SDBS + JFC-SF | 3.21 | 84.82 |
It is concluded that the fourth orthogonal test system is adopted to determine the best ratio.
