The Environmental Challenge
Abdoul Hamid Derra
Broschiertes Buch

The Environmental Challenge

The Bio Depollution of the Environment

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A SIMPLIFIED DEFINITION OF POLLUTION IS THE INTRODUCTION INTO AN ENVIRONMENT OF SUBSTANCES OR ENERGY THAT MAY HAVE UNDESIRABLE OR TOXIC EFFECTS ON HUMANS AND THEIR ENVIRONMENT. IN THE LAST TWENTY YEARS, THERE HAS BEEN A SPECTACULAR INCREASE IN INTEREST IN BIODEGRADATION MECHANISMS ORIENTED TOWARDS ENVIRONMENTAL PROTECTION. AN IMPORTANT IMPULSE AT THE INDUSTRIAL LEVEL IS THAT OF THE PAPER INDUSTRY, ANXIOUS TO GET RID IN AN ECONOMIC AND EFFECTIVE WAY OF THE LIGNIN ELIMINATED DURING THE BLEACHING OF THE PAPER PULPS. THE TRADITIONAL TREATMENT, BASED ON CHLORINE, GENERATES SECONDARY COMPOUNDS THAT ...