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Keywords:
PUBLIC HEALTH,
EFFECT,
SYNTHETIC,
DETERGENTS,
BIOLOGY,
STABILISATION,
SEWAGE,
RESEARCH,
OXIDATION,
BIOLOGICAL,
BOD,
OXYGEN,
DEMAND,
SYNDETS,
PLANT,
REMOVAL,
ALKYL,
SULPHATES,
ACTIVATED,
SLUDGE
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© Thomas Telford and ICE
1957
