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Composting is an effective method for the treatment of animal manure since it sanitizes and decomposes degradable substances into stable organic and inorganic materials. To accomplish an efficient treatment by composting, adequate moisture content and aeration are essential to obtain the desired final product quality. This study aimed to conduct a bench-scale composting experiment using camel manure mixed with alfalfa hay as a bulking agent. A set of two scaled-down composting units were constructed and operated for 40 days. The used feedstock materials were characterized to measure pH, electrical conductivity, moisture content, volatile solids, heavy metals, ammonium, phosphorus, and C/N ratio. The results revealed that the composting mixture obtained a peak temperature of 58.5 °C. Also, the C/N ratio dropped from 25 to 16 approximately. The VS content in CAH decreased from 30 to 24%. Heavy metals were generally present in low concentrations. Upon completion, the MC of CAH mixture decreased from 65 to 42% primarily due to evaporation, and the compost had a dark brown color and earthy smell, indicating a mature final product. Results of the study were compared with previous animal manure composting studies. Overall, the experiment proved the composability of camel manure and alfalfa hay.

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Experimental Testing of Camel Manure as a Potential Feedstock for Aerobic Composting

  • 会议论文

  • 发表日期：

    2025年

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  • Sara Alsmadi,
  • Mohamed Abdallah,
  • Abdallah Shanableh,
  • Sourjya Bhattacharjee,
  • Khalifa Alteneiji,
  • Razan Alhammadi,
  • Mohammad Aloun,
  • Walid Abo Baker,
  • Jawahir Alabdooli

摘要

Composting is an effective method for the treatment of animal manure since it sanitizes and decomposes degradable substances into stable organic and inorganic materials. To accomplish an efficient treatment by composting, adequate moisture content and aeration are essential to obtain the desired final product quality. This study aimed to conduct a bench-scale composting experiment using camel manure mixed with alfalfa hay as a bulking agent. A set of two scaled-down composting units were constructed and operated for 40 days. The used feedstock materials were characterized to measure pH, electrical conductivity, moisture content, volatile solids, heavy metals, ammonium, phosphorus, and C/N ratio. The results revealed that the composting mixture obtained a peak temperature of 58.5 °C. Also, the C/N ratio dropped from 25 to 16 approximately. The VS content in CAH decreased from 30 to 24%. Heavy metals were generally present in low concentrations. Upon completion, the MC of CAH mixture decreased from 65 to 42% primarily due to evaporation, and the compost had a dark brown color and earthy smell, indicating a mature final product. Results of the study were compared with previous animal manure composting studies. Overall, the experiment proved the composability of camel manure and alfalfa hay.