BIOLOGICAL COMPOSTING IN SOME OF THE AGRICULTURAL ORGANIC WASTE ANDSURVEY OF MICROORGANISM KINETIC MODELS

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GHOLAMI BORUJENI FATHOLLAH; NEJATZADEH FATEMEH

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Journal: NEW CELLULAR & MOLECULAR BIOTECHNOLOGY JOURNAL Year:2018 | Volume:8 | Issue:29 Page(s): 49-56

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Title

BIOLOGICAL COMPOSTING IN SOME OF THE AGRICULTURAL ORGANIC WASTE ANDSURVEY OF MICROORGANISM KINETIC MODELS

Author(s)

GHOLAMI BORUJENI FATHOLLAH | NEJATZADEH FATEMEH | Issue Writer Certificate

Keywords

COMPOSTQ2

AGRICULTURAL WASTEQ1

AERATION RATEQ1

KINETICQ2

MICROORGANISMQ1

Abstract

Aim and Background: This study aimed to determine the AERATION RATE and its reaction KINETICs in aerobic COMPOSTing ofsome AGRICULTURAL WASTEs. Material and methods: For this aim COMPOST materials were prepared by mixing grass trimmings, tomato, pepper, andeggplant wastes. Four vertical forced aeration type reactors and one vertical natural convection typereactor were manufactured to apply four different AERATION RATEs. CO2 rate and temperature changeswere recorded in three different places in the reactors. Moisture content, pH and organic materialrate were recorded each day. While process-monitoring parameters (CO2, temperature, pH, moisturecontent) were used for interpretation of the process, organic material degradation was used forinterpretation of the process success. The seven different KINETIC models were applied for modelingbiological decomposition rate to the experimental values. Results: According to the results, four of these models were found applicable to this study. These modelswere analyzed with some statistical methods as root mean square error (RMSE), chi-square (χ 2), and modeling efficiency (EF). According to the statistical results of these models, the best modelwas found as: where kT is the rate of decomposition (g VS/g VS day); T the process temperature (0C); Mc thedaily moisture content (%wb); C the daily CO2 rate in COMPOSTing reactor (%) and a, b, c, d areconstants. Conclusion: According to the results, the highest organic matter degradation and temperature value wereobtained at the AERATION RATE of 0. 4 l air min1 kg1 om. Thus, it could be applied to this mixedmaterials COMPOSTing process.

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APA: Copy

GHOLAMI BORUJENI, FATHOLLAH, & NEJATZADEH, FATEMEH. (2018). BIOLOGICAL COMPOSTING IN SOME OF THE AGRICULTURAL ORGANIC WASTE ANDSURVEY OF MICROORGANISM KINETIC MODELS. NEW CELLULAR & MOLECULAR BIOTECHNOLOGY JOURNAL, 8(29 ), 49-56. SID. https://sid.ir/paper/204420/en

Vancouver: Copy

GHOLAMI BORUJENI FATHOLLAH, NEJATZADEH FATEMEH. BIOLOGICAL COMPOSTING IN SOME OF THE AGRICULTURAL ORGANIC WASTE ANDSURVEY OF MICROORGANISM KINETIC MODELS. NEW CELLULAR & MOLECULAR BIOTECHNOLOGY JOURNAL[Internet]. 2018;8(29 ):49-56. Available from: https://sid.ir/paper/204420/en

IEEE: Copy

FATHOLLAH GHOLAMI BORUJENI, and FATEMEH NEJATZADEH, “BIOLOGICAL COMPOSTING IN SOME OF THE AGRICULTURAL ORGANIC WASTE ANDSURVEY OF MICROORGANISM KINETIC MODELS,” NEW CELLULAR & MOLECULAR BIOTECHNOLOGY JOURNAL, vol. 8, no. 29 , pp. 49–56, 2018, [Online]. Available: https://sid.ir/paper/204420/en

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