With class F or H impregnation, the waste gas outlet from baking room during baking ,containing harmful organic compound benzyl chloride. Complied national environment requirement, we should apply waste gas treatment.
After waste gas organic adsorption treatment. The analytical data reported the concentration of harmful substances is meet the standard limit.
Benzyl chloride concentration in impregnation workshop air
and outlet of treatment apparatus
| Sampling |
Standard Reference |
Conc. limit max mg/m3 |
Determined Report mg/m3 |
| Outlet of Treatment apparatus |
GB 14554-93Emission standards of odor pollutant |
1040 |
11.5 |
| Air in workshop |
TJ36-79 Hygiene Bureau 1979 Maximum concentration of harmful
substance in working ship air. |
40 |
1.15 |
