Recent Advances in Sugarcane Industry Solid By-Products Valorization

Sarker, Tushar C.; Azam, Shah Md Golam Gousul; Bonanomi, Giuliano

doi:10.1007/s12649-016-9665-3

Cited by 47 publications

(20 citation statements)

References 232 publications

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“…e general composition of the SPM demonstrates its potential for the production of renewable energy through anaerobic digestion (AD) [5,6]; however, being formed by a lignocellulosic structure, avoids the solubilisation of nutrients for absorption by microorganisms [7] and affects its degradability, being the hydrolysis the limiting stage [8]. To solve this problem, physical, mechanical, and chemical pretreatments and combinations of these have been carried out; however, they are costly alternatives that require specialized equipment and qualified personnel or can generate toxic by-products [9]. A more sustainable strategy to improve the hydrolysis of SPM is the use of anaerobic codigestion (AcoD), due to the synergistic effect caused by the addition of a cosubstrate with complementary characteristics [10].…”

Section: Introductionmentioning

confidence: 99%

Anaerobic Codigestion of Sugarcane Press Mud with Food Waste: Effects on Hydrolysis Stage, Methane Yield, and Synergistic Effects

Cárdenas-Cleves

Marmolejo-Rebellón

Torres–Lozada

2018

International Journal of Chemical Engineering

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Sugarcane press mud (SPM) has a high potential to produce renewable energy through anaerobic digestion (AD); however, hydrolysis is the limiting stage of the process due to the presence of slowly biodegradable compounds. An alternative that can improve this deficiency is anaerobic codigestion (AcoD). In this investigation, the monodigestion of SPM and its AcoD with food waste (FW) were evaluated through the biochemical methane potential (BMP) test, and kinetic parameters were analyzed through the analysis of the kinetic models of first order and modified Gompertz. This study showed that the AcoD of SPM with FW improved the hydrolysis stage, increased methane (CH4) yield, improved the stability of the process, and presented synergistic effects. As regards the hydrolysis stage, the hydrolysis constant was increased, and the lag phase was reduced. The monodigestion of SPM (SPM : FW 100 : 0) showed an increase of 9% with the addition of external nutrients solution, while that of AcoD in the SPM : FW 80 : 20 ratio showed the highest CH4 yield, with increments of 12 and 22% in comparison with the monodigestion of SPM under WN and NN conditions, respectively. It is even possible to add up to 40% of FW (SPM : FW 60 : 40) and achieve an increase of 5% compared to the monodigestion of SPM under the NN condition. The synergistic effects obtained in this study showed that the incorporation of FW, in the substrates ratios evaluated, would improve the AD of the SPM without addition of external nutrients solution, which represents economic and environmental benefits of implementing this alternative at full scale.

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Section: Introductionmentioning

confidence: 99%

Anaerobic Codigestion of Sugarcane Press Mud with Food Waste: Effects on Hydrolysis Stage, Methane Yield, and Synergistic Effects

Cárdenas-Cleves

Marmolejo-Rebellón

Torres–Lozada

2018

International Journal of Chemical Engineering

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“…sucrose, lactose, corn syrup, molasses, lignocellulosic-and starchy-hydrolysates could also be suitable [5][6][7][8]. Sugars such as these mentioned can be derived in the biorefinery concept via the processing of plant biomass and thus, are considered sustainable resources [9,10].…”

Section: Introductionmentioning

confidence: 99%

Carbohydrate to Itaconic Acid Conversion by Aspergillus terreus and the Evaluation of Process Monitoring Based on the Measurement of CO2

Nemestóthy

Komáromy

Bakonyi

et al. 2019

Waste Biomass Valor

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In this work, itaconic acid (IA) was produced biotechnologically by Aspergillus terreus fungal strain from glucose. The performance of the batch fermentation was kinetically assessed and the maximal IA production potential, maximal production rate and lag-phase time were determined as 28.1 g/L, 3.83 g/L day and 1.52 days, respectively. In addition, the bioprocess was evaluated based on the most frequently used parameters, in particular IA titer (26.3 g/L), yield (0.22 g/g substrate) and productivity (0.1 g/L h), which were comparable to the already published literature. Furthermore, an on-line monitoring system was installed to the fermenter in order to measure the CO 2 content of the bioreactor off-gas. Actually, it was indicated by the results that the CO 2 production could have a linear-like relationship with the quantity of fungal biomass. Hence, the data collected in such a way may have the potential to establish an alternative methodology for the monitoring of biomass growth in the course of the biological transformation taking place.

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“…It is also composed of sugar (5%) and minerals (1%) [3]. Owing to its calorific power, bagasse is mostly used in energy cogeneration in the sugar mills, although a broad range of uses has been proposed for this material; however, most of them have not been commercially exploited [5]. One particular company in Colombia uses 15 % of the bagasse to produce paper without mixing with other types of vegetable fibers.…”

Section: Introductionmentioning

confidence: 99%

“…In fact, the press mud in Colombia is used in a composting process to produce fertilizers. In recent years, there have been studies reporting different uses for valorization of these solid wastes beyond the agronomic use [5], either as a source of renewable energy (biogas production) [7] or products of greater added value in areas like the pharmaceutical and food industries [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…The high organic content in dried vinasse as well as in press mud, and their high availability (only in Colombia, the annual press mud and concentrated vinasse-40% to 55% solids-production can be estimated in 1.4 million tons and 2.7 million tons per year, respectively [2,5,27,28]) suggest an interesting opportunity for these biomass wastes to be used as feedstock in a thermochemical valorization process. Therefore, the objective of this work is to describe a non-catalysed slow pyrolysis study using a batch reactor unit and three biomass waste samples produced in an industrial sugar and bio-ethanol plant.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Press Mud, Vinasse Powder and Extraction Sludge with Ethanol in a Pyrolysis Process

et al. 2019

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The effluents of the sugar and bio-ethanol industry, mainly vinasse as well as lignocellulosic waste, are produced in high volumes. Therefore, their treatment and valorization would reduce the environmental impact and make this industry more productive and competitive. The purpose of this study was to determine the potential use of press mud (lignocellulosic waste), vinasse powder, and vinasse sludge from an extraction process with ethanol, as raw materials for conventional pyrolysis evaluating the physicochemical characteristics that affect this thermochemical process, such as calorific power, density, ash content, volatile material, moisture and nitrogen, sulfur, carbon and hydrogen content, thermogravimetric profile, and quantification of lignin cellulose and hemicellulose. The batch pyrolysis experiments showed that all three wastes could be converted successfully into more valuable products. The powder vinasse led to the formation of the lowest content of bio-char (42.7%), the highest production of volatiles (61.6 wt.%), and the lowest ash content (20.5 wt.%). Besides, it showed the high heating value of 15.63 MJ/kg. Meanwhile, the extraction sludge presented the highest liquid yield (32%) with the lowest gas formation (18.2 wt.%) and the lowest heating value of 8.57 MJ/kg. Thus, the sludge could be a good feedstock for production of bio-oil and bio-char.

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Recent Advances in Sugarcane Industry Solid By-Products Valorization

Cited by 47 publications

References 232 publications

Anaerobic Codigestion of Sugarcane Press Mud with Food Waste: Effects on Hydrolysis Stage, Methane Yield, and Synergistic Effects

Anaerobic Codigestion of Sugarcane Press Mud with Food Waste: Effects on Hydrolysis Stage, Methane Yield, and Synergistic Effects

Carbohydrate to Itaconic Acid Conversion by Aspergillus terreus and the Evaluation of Process Monitoring Based on the Measurement of CO2

Evaluation of Press Mud, Vinasse Powder and Extraction Sludge with Ethanol in a Pyrolysis Process

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