Hydrothermal carbonization of spent mushroom substrate: Physicochemical characterization, combustion behavior, kinetic and thermodynamic study

被引：45

作者：

Kojic, Marija M. ^{[1
]}

Petrovic, Jelena T. ^{[1
]}

Petrovic, Marija S. ^{[1
]}

Stankovic, Slavka M. ^{[3
]}

Porobic, Slavica J. ^{[2
]}

Marinovic-Cincovic, Milena T. ^{[2
]}

Mihajlovic, Marija L. ^{[1
]}

机构：

[1] Inst Technol Nucl & Other Mineral Raw Mat, 86 Franchet dEsperey St, Belgrade 11000, Serbia

[2] Univ Belgrade, Inst Nucl Sci Vinca, Lab Radiat Chem & Phys, Mike Petrovica Alasa 12-14,POB 522, Belgrade 11001, Serbia

[3] Univ Belgrade, Fac Technol & Met, 4 Karnegijeva St, Belgrade 1100, Serbia

来源：

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS | 2021年 / 155卷 / 155期

关键词：

Spent mushroom substrate; Hydrothermal carbonization; Hydrochar; Isoconversional; Combustion kinetic; Thermodynamic analysis; SEWAGE-SLUDGE; HYDROCHAR PRODUCTION; GRAPE POMACE; SOLID-FUEL; PYROLYSIS; BIOMASS; CONVERSION; ENERGY; MANURE; TEMPERATURE;

D O I：

10.1016/j.jaap.2021.105028

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Hydrothermal carbonization (HTC) was employed for the conversion of the spent mushroom substrate (SMS) into a carbonaceous hydrochar. The effect of operating temperature (180, 200, 220, 240, and 260 ?C) on the physicochemical, structural, and combustion properties of the obtained hydrochars was analyzed. The HTC treatment caused the increase of the higher heating value (HHV) and the lower heating value (LHV) of hydrochars for 58 % and 65 % in comparison with SMS, respectively. Analysis of morphology and functional groups showed the formation of microspheres and cracks on the hydrochar surface, which are predominantly dominated by aromatic and oxygen-rich functional groups. Thermal and kinetics analysis showed that HTC treatment improves the combustion behavior of the obtained solids. Combustion kinetic parameters of SMS and hydrochars were determined by the methods of Kissenger-Akahira-Sunose (KAS) and Flynn-Wall-Ozawa (FWO). The thermodynamic parameters and pre-exponential factors reveal a complex mechanism of SMS and hydrochars decomposition process.

引用

页数：10

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