2012
DOI: 10.4491/eer.2012.17.2.069
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Composting of Water Hyacinth using a Pilot Scale Rotary Drum Composter

Abstract: Composting of water hyacinth, mixed with cattle manure, rice husk and sawdust in four different proportions, was performed in a pilot scale rotary drum composter. The physico-chemical characteristics, i.e., temperature, moisture content, pH, electrical conductivity, total organic matter (OM), nitrogen dynamics and nutrients were evaluated during the 20 days composting process. The stabilities of the composts were also investigated with respirometric analysis, i.e., CO 2 evolution rates and oxygen uptake rate (… Show more

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Cited by 21 publications
(9 citation statements)
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“…Warm and moist environments with ample amounts of oxygen and organic material available within the rotary drum allow aerobic microbes to flourish and decompose waste more rapidly, resulting in a significantly reduced composting time of 2-3 weeks. Rotary drum composter has been used to compost diverse organic wastes, such as cattle manure, swine manure, municipal biosolids, brewery sludge, chicken litter, animal mortalities, olive mill waste, and food residuals [2][3][4].…”
Section: Introductionmentioning
confidence: 99%
“…Warm and moist environments with ample amounts of oxygen and organic material available within the rotary drum allow aerobic microbes to flourish and decompose waste more rapidly, resulting in a significantly reduced composting time of 2-3 weeks. Rotary drum composter has been used to compost diverse organic wastes, such as cattle manure, swine manure, municipal biosolids, brewery sludge, chicken litter, animal mortalities, olive mill waste, and food residuals [2][3][4].…”
Section: Introductionmentioning
confidence: 99%
“…These forms present distinctive chemical properties and toxicities [41]. Cr (VI) is 10 up to 100 times more toxic than Cr(III), thus being a strong oxidizing agent, while non-hazardous Cr(III) is insoluble in water and plays a beneficial role as a micronutrient [6]. For the Pb in soil the most common form is sulfate (PbSO 4 ), the organic phase often being related to the soil, in combination with Mn and Fe oxides or carbonates.…”
Section: Resultsmentioning
confidence: 99%
“…It is also important to note that the determination of total or pseudo-total concentrations of toxic elements does not provide enough useful information about the risk of their bioavailability, their ability to remobilize, their toxicity in the environment, and about the chemical form in which they are available. That is why it is very often advisable to evaluate the speciation of elements with toxic potential, thus allowing their bioavailability assessment [6].…”
mentioning
confidence: 99%
“…A pilot-scale windrow composting method was used for composting as pilot scale composting are often attempted in other related researches [17]. Composting was performed using effective microorganisms (EM) following instructions in the manual of composting [18].…”
Section: Harvesting and Compostingmentioning
confidence: 99%