文档介绍：6. Synthetic chemistry and the pharmaceutical industry
6. SYNTHETIC CHEMISTRY
AND THE PHARMACEUTICAL INDUSTRY
The main characteristic of the effluents These considerations guide the design of
from these industries pared with the a wastewater purification plant which must:
others, is both the diversity of pollutants - modate variations in pollutant flow
and the variety in load and type of pollution and load,
of discharged wastewater. In most cases, - offer "all-purpose" facilities for
companies carry out manufacturing in destruction of the different types of
campaigns for one or several products with pollutants,
cycles randomly spanning the year.
- be as flexible as possible so as to
Furthermore, it is difficult panies to
incorporate modifications or additions to
foresee future industrial developments and
changing industrial processes or factory
their manufacturing needs over a 5 to 10-
products.
year period.
.
SPECIAL PRECAUTIONS . Biological purification -
Odours
. Neutralisation and buffer tanks
This type of wastewater often has a
The volume of the buffer tank must be as strong smell owing to posites
large as possible (normally 36 h) and no such as solvents that escape naturally.
less than 24 h of production. Its place in the The aeration tank is the main source of
treatment cycle,