Two-stage anaerobic digestion of orange peel without pre-treatment: Experimental evaluation and application to São Paulo state

Jiménez-Castro, Maria Paula; Buller, Luz Selene; Zoffreo, Alexis Natalya; Timko, Michaël T.; Forster‐Carneiro, Tânia

doi:10.1016/j.jece.2020.104035

Cited by 29 publications

(12 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Similarly, two-stage anaerobic digestion systems have replaced the use of other pretreatments and increased the concentration of methane (approximately 60% compared with about 50%) and volume (by 13%) relative to one-stage anaerobic digestion. The accumulated biogas yield was 0.79 L/gSVT and 0.49 L/gSVT for the methanogenic and control reactors, respectively [28].…”

Section: Introductionmentioning

confidence: 95%

Batch and Semi-Continuous Anaerobic Digestion of Industrial Solid Citrus Waste for the Production of Bioenergy

et al. 2021

View full text Add to dashboard Cite

The aim of this paper is to describe a study of the anaerobic digestion of industrial citrus solid waste (ISCW) in both batch and semi-continuous modes for the production of bioenergy without the elimination of D-limonene. The study was conducted at the pilot plant level in an anaerobic reactor with a working volume of 220 L under mesophilic conditions of 35 ± 2 °C. Cattle manure (CM) was used as the inoculum. Three batches were studied. The first batch had a CM/ISCW ratio of 90/10, and Batches 2 and 3 had CM/ISCW ratios of 80/20 and 70/30, respectively. In the semi-continuous mode an OLR of approximately 8 g total chemical oxygen demand (COD)/Ld (4.43 gVS/Ld) was used. The results showed that 49%, 44%, and 60% of volatile solids were removed in the batch mode, and 35% was removed in the semi-continuous mode. In the batch mode, 0.322, 0.382, and 0.316 LCH4 were obtained at STP/gVSremoved. A total of 24.4 L/d (34% methane) was measured in the semi-continuous mode. Bioenergy potentials of 3.97, 5.66, and 8.79 kWh were obtained for the respective batches, and 0.09 kWh was calculated in the semi-continuous mode. The citrus industry could produce 37 GWh per season. A ton of processed oranges has a bioenergy potential of 162 kWh, which is equivalent to 49 kWh of available electricity ($3.90).

show abstract

Section: Introductionmentioning

confidence: 95%

Batch and Semi-Continuous Anaerobic Digestion of Industrial Solid Citrus Waste for the Production of Bioenergy

et al. 2021

View full text Add to dashboard Cite

show abstract

“…As AD is a complex dynamic system involving microbiological, biochemical, and physicochemical processes, it is necessary to establish operational parameters to produce biogas with a high methane content. 28,29 Solids, pH, alkalinity, ammonium nitrogen, chemical oxygen demand, and volatile fatty acids are the most critical variables to control because they directly affect the biogas yield. 30,31 Biogas with high methane content can be produced by setting better operational parameters for the AD process, which can be further applied to generate electric and thermal energy.…”

Section: Suggested System Boundary For Açaí Waste Management: Admentioning

confidence: 99%

“…7 Then, 1214 kg of açaí waste (including solid and liquid fraction) could produce up to 2.77 Nm 3 of biogas with a methane content of around 50%. This biogas can be burnt in a motor-generator to generate electricity, as described by Jiménez-Castro et al, 29 taking into account the volume of biogas produced, the lower calorific value of methane, the percentage of methane in biogas, and engine efficiency.…”

Section: Suggested System Boundary For Açaí Waste Management: Admentioning

confidence: 99%

Waste management and bioenergy recovery from açaí processing in the Brazilian Amazonian region: a perspective for a circular economy

Ferreira

Buller

Maciel-Silva

et al. 2020

Biofuels Bioprod Bioref

Self Cite

View full text Add to dashboard Cite

This study aims to evaluate the Brazilian production of açaí, focusing on its waste generation and addressing mass and energy balances arising from its cultivation, extraction, processing, and waste disposal. A new technological route for açaíʼs waste management was introduced for bioenergy recovery based on the circular economy concept. In 2018, Brazil produced 1.7 million tons of açaí fruit for an income of 1.07 billion USD, and the associated waste generation (seeds) was estimated at 85%. Due to the high production of waste, an innovative approach was developed for a system boundary (conceptual line that divides the system), including the management of solid and liquid wastes through anaerobic digestion (AD). The results showed that, from 1 ton of açaí fruit fed into the facility for processing, 1.2 ton of solid waste and wastewater was generated. This waste was submitted to AD and produced 2.77 m3 of biogas, with a methane composition of 50%. The complete industrial process demands 25 kWh per ton of frozen pulp. The local energy produced by the biogas burning could be recycled and used by the process, establishing a circular energy economy for this sector. With the adoption of AD waste management, about 61% of the external electricity requirement for the açaí fruit processing can be replaced from the biogas produced. The adoption of this technology can be contribute to decarbonization. Furthermore, the implementation of AD could support the transition to a circular economy, with environmental, social, and economic benefits for local and regional sustainable development. © 2020 Society of Chemical Industry and John Wiley & Sons, Ltd

show abstract

“…Dry feeds have the advantage of better utilization of available reactor volume. On the other hand, water is essential to improve mass transfer and to accelerate the microbial growth 30 …”

Section: Introductionmentioning

confidence: 99%

“…On the other hand, water is essential to improve mass transfer and to accelerate the microbial growth. 30 The current status of the biogas industry can be analyzed in the following categories: micro digesters using biogas, which play a significant role in rural areas of developing countries; and scale digesters generating electricity, mainly used in China, and Europe where Germany is the leading country followed by Italy, France, Switzerland, and the UK. On the other hand, the USA and Canada installed 2200 and 180 anaerobic digesters respectively in recent years.…”

mentioning

confidence: 99%

Bioenergy production from orange industrial waste: a case study

Jiménez-Castro

Buller

Sganzerla

et al. 2020

Biofuels Bioprod Bioref

Self Cite

View full text Add to dashboard Cite

The present study focuses on a bibliometric analysis of the global production of scientific papers related to the recovery of bioenergy from orange industrial waste or by-products. The study also observed the top-cited papers, international collaborative networks, top countries, and journals. The timespan was from 1900 to 2019, and the Web of Science © database was used. A total of 161 documents (research and review papers) were selected to carry out the investigation. Two main clusters of literature were highlighted, related to the authorship of the top-cited papers and authorship collaboration networks, respectively. Recent scientific publications use different pre-treatments to achieve the best biogas yield with many configurations of the anaerobic digestion system. The data indicated that the countries with most publications are Spain, China, and the USA, and the journals with a higher impact factors related to environmental assessments were responsible for a higher number of publications. In a biorefinery concept, orange peel could be submitted to different pre-treatments to produce bioethanol and methane, as environmentally friendly fuels, and other co-products such as d-limonene and pectin. This study therefore presents trends in bioenergy production from orange industrial by-products with the aim of supporting further research on energy recovery from orange industry solid waste and to assist future decision making in this field of science.

show abstract

Two-stage anaerobic digestion of orange peel without pre-treatment: Experimental evaluation and application to São Paulo state

Cited by 29 publications

References 47 publications

Batch and Semi-Continuous Anaerobic Digestion of Industrial Solid Citrus Waste for the Production of Bioenergy

Batch and Semi-Continuous Anaerobic Digestion of Industrial Solid Citrus Waste for the Production of Bioenergy

Waste management and bioenergy recovery from açaí processing in the Brazilian Amazonian region: a perspective for a circular economy

Bioenergy production from orange industrial waste: a case study

Contact Info

Product

Resources

About