Compost quality Management by Adding Sulfuric Acid and Alkaline Wastewater of Paper Mill as two Amendments

In composting process, N high-organic wastes loss the great part of its nitrogen as ammonia; therefore, using compost amendments can promote the quality of compost due to the decrease in ammonia volatilization. With regard to the effect of pH on composting, microorganisms- activity and ammonia volatilization, sulfuric acid and alkaline wastewater of paper mill (as liming agent with Ca and Mg ions) were used as compost amendments. Study results indicated that these amendments are suitable for reclamation of compost quality properties. These held nitrogen in compost caused to reduce C/N ratio. Both amendments had a significant effect on total nitrogen, but it should be used sulfuric acid in fewer amounts (20 ml/kg fresh organic wastes); and the more amounts of acid is not proposed.

Authors:

• Hamid Reza Alipour
• Ali Mohammadi Torkashvand

Keywords:

• Compost
• Paper mill wastewater
• sulfuric acid
• Ammonia Volatilization.

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