Table 10. Some Chemical Properties of Sewage Sluges in the New York Metropoltian Region 



Sample 



Carbon 



Reducing 



Sulfide 



Total 



Carbonate 



Oxidizable Carbon 



Number 











Capacity 







(percent) 



(percent) 



(percent) 



(MEQ/g) 



(MEQ/g) 



(MEQ/g)* 



090818001 



34.4 



0.5 



21.8 



72.7 



131.2 



0.1 



090818002 



31.8 



0.0 



23.5 



78.3 



118.2 



0.3 



690818003 



30.8 



1.5 



20.9 



69.7 



114.1 



0.4 



690818004 



28.5 



0.0 



18.3 



61.0 



110.2 



0.2 



690918005 



28.4 



0.3 



20.9 



69.7 



110.1 



0.2 



690819001 



25.4 



0.3 



18.1 



60.3 



123.8 



0.3 



690819003 



29.6 



0.2 



21.1 



70.3 



127.9 



0.3 



690819004 



27.8 



0.1 



20.3 



67.7 



106.3 



0.3 



690819005 



36.4 



2.0 



18.8 



62.7 



120.4 



0.2 



690904001 



31.7 



0.0 



21.5 



71.6 



117.2 



0.2 



690904002 



40.9 



0.0 



• 22.9 



76.3 



139.4 



0.2 



690904003 



28.9 



0.0 



17.9 



59.7 



118.7 



0.2 



690910001 



29.9 



0.0 



17.9 



59.7 



110.1 



0.2 



690925001 



39.7 



0.0 



27.7 



92.3 



162.4 



0.2 



690925003 



41.9 



0.0 



23.1 



77.0 



153.2 



0.2 



690925005 



17.7 



0.0 



13.2 



44.0 



95.8 



0.1 



690925007 



47.2 



0.0 



25.7 



85.7 



181.2 



0.1 



Average 



32.4 



0.3 



20.8 



69.3 



125.9 



0.2 



*miUiequivilent in grams 



after Gross, 1970 



Table 11. Total Carbon Composition of Suspended Solid Material in Sewage 



Carbon Form 



Percent 



Carbon Form 



Percent 



Unidentified 



63.0 



Fats - Ester 



1.0 



Protein 



20.0 



Fats — Acid 



1.0 



Carbohydrates 



10.0 



Muramic Acid 



0.4 



Amino Sugars 



3.0 



Anionic Detergents 



0.4 



Soluble Acids 



1.0 



Amide 



0.2 



after Walter, 1961 



73 



