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1623856 
Journal Article 
BOD DETERMINATION FOR INDUSTRIAL WASTEWATERS 
Hammer, MJ 
1971 
English 
A COMPREHENSIVE PLAN FOR CONDUCTING BOD TESTS ON INDUSTRIAL WASTES IS PRESENTED. PROCEDURES ARE OUTLINED REGARDING WASTEWATER SAMPLE COLLECTION, WASTEWATER SAMPLE PREPARATION, SEED PREPARATION, BOD SAMPLE DILUTION AND PREPARATION, INCUBATION AND DISSOLVED OXYGEN DETERMINATIONS, BOD CALCULATIONS, AND PRESENTATION OF THE BOD RESULTS. A CASE HISTORY OF A PHARMACEUTICAL WASTE WAS PRESENTED TO ILLUSTRATE SOME OF THE DIFFICULTIES INVOLVED. INDUSTRIAL WASTES PRESENT INCLUDED SUCROSE AND LACTOSE SUGAR, ACETONE, ETHANOL, CELLULOSE MICROCRYSTALLINE, CHLOROFORM, ISOPROPYL ALCOHOL, METHYL CHLOROFORM, AND SILICA GEL. BOD VERSUS TIME CURVES WERE PREPARED AND PRESENTED. THE EFFECT OF INHIBITING SUBSTANCES WAS NOTED BY OBSERVING THE REACTION RATE CONSTANTS. A 5-DAY CARBONACEOUS BOD VALUE OF 700 MG/L WAS OBTAINED, BUT IT WAS NOTED THAT SUCH VALUES ARE ACCURATE ONLY TO PLUS OR MINUS 20%, AND THAT CARE MUST BE EXERCISED IN APPLYING SUCH RESULTS. (LOWRY-TEXAS) 
DISSOLVED OXYGEN; *INDUSTRIAL WASTES; *LABORATORY TESTS; *BIOCHEMICAL OXYGEN DEMAND; NITRIFICATION; SAMPLING; MUNICIPAL WASTES; ACCLIMATIZATION; PROTOZOA; ACTIVATED SLUDGE; *WASTE WATER TREATMENT; BACTERIA; SEEDING