Biomass-glycerol briquettes are not necessarily mechanically stable and energetically effective
作者机构：Department of PhytosanitaryRural Engineering and SoilsSchool of EngineeringSão Paulo State University(Unesp)Ilha SolteiraSão PauloBrazil Department of Plant ProductionCollege of Agricultural and Technological SciencesSão Paulo State University(Unesp)DracenaBrazil São Paulo State University(Unesp)ItapevaSão PauloBrazil
出 版 物：《Waste Disposal and Sustainable Energy》 (废弃物处置与可持续能源（英文）)
年 卷 期：2020年第2卷第4期
页 面：291-303页
核心收录：
学科分类：0820[工学-石油与天然气工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 081703[工学-生物化工] 08[工学] 0817[工学-化学工程与技术] 0836[工学-生物工程] 082203[工学-发酵工程] 0822[工学-轻工技术与工程]
基 金：National Council for Science and Technological Development of Brazil
主 题：Additive Agro-residues Densification Biosolids Waste-to-energy
摘 要：The re-use of glycerol from biodiesel industry as an alternative lubricant for making high-performance briquettes is ***,the technical performance of this agro-industrial residue is not *** study outlines,accordingly,the real risk of introducing glycerol into the co-briquetting of highly caloric by-products of *** production of hybrid briquettes consisted of pressing mixtures of residues of sugarcane and sorghum with the liquid additive at 10,20,and 30 wt.%in bench-scale hydraulic piston presser *** of the blend,briquettes containing the supplement at the highest level as part of their composition ended up being much more hygroscopic(20.10%)and less energetic(3.15 GJ m^(−3)).The explanation for the negative impact of glycerol on the thermomechanical behavior of briquettes would be overconcen-tration of additive capable of effectively defying compacting *** degree of compaction during co-briquetting has likely gone down quickly with a maximizing level of *** long as the additive is not able to lubricate the feedstock suitably,improbability of biomass particles to successfully bond together to form themselves into mechanically stable and energetically effective briquettes is *** lower density(273.80 kg m^(−3))and higher relaxation(22.75%),briquettes with glycerol at 30 wt.%generally were aesthetically ***,these products resisted no longer to handling,transportation,and *** lost their shape easily during emptying and shifting them,thus,releasing larger quanti-ties of biomass to the *** evidence of high-viscosity glycerol capable of limiting safe and effective production of high-performance briquettes for heating and power exists.
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