Sustainable Energy from agro-industrial wastewaters in Latin-America

Meneses-Jácome, Alexander; Díaz‐Chavez, Rocío; Velásquez, Héctor; Cárdenas‐Chávez, Diana L.; Parra‐Saldívar, Roberto; Colorado, Angela Adriana Ruíz

doi:10.1016/j.rser.2015.12.036

Cited by 52 publications

(15 citation statements)

References 130 publications

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“…While most of the available literature studies focus on UASB application to different substrates at laboratory or pilot scale, by analyzing process efficiency and biogas production, a broader focus is needed to evaluate techno-economic scale-up feasibility, together with the possibility to integrate biogas with other renewable energies, such as photovoltaic or wind energy. A more sustainable approach in the water-energy nexus is desirable, in particular in developing regions such as Latin America [ 140 ], with efficient biogas exploitation.…”

Section: Critical Aspects and Future Perspectivesmentioning

confidence: 99%

“…Methodologies based on life cycle assessment (LCA) and criteria indicators in sustainability studies allow to evaluate and compare different scenarios to optimize the energy and environmental aspects in biogas exploitation [ 140 ] and could be integrated with a detailed process modeling. The application of existing powerful modeling devices, in fact, helps to increase plant efficiency, fixing the most critical energy wastages.…”

Section: Critical Aspects and Future Perspectivesmentioning

confidence: 99%

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Up-Flow Anaerobic Sludge Blanket (UASB) Technology for Energy Recovery: A Review on State-of-the-Art and Recent Technological Advances

2020

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Up-flow anaerobic sludge blanket (UASB) reactor belongs to high-rate systems, able to perform anaerobic reaction at reduced hydraulic retention time, if compared to traditional digesters. In this review, the most recent advances in UASB reactor applications are critically summarized and discussed, with outline on the most critical aspects for further possible future developments. Beside traditional anaerobic treatment of soluble and biodegradable substrates, research is actually focusing on the treatment of refractory and slowly degradable matrices, thanks to an improved understanding of microbial community composition and reactor hydrodynamics, together with utilization of powerful modeling tools. Innovative approaches include the use of UASB reactor for nitrogen removal, as well as for hydrogen and volatile fatty acid production. Co-digestion of complementary substrates available in the same territory is being extensively studied to increase biogas yield and provide smooth continuous operations in a circular economy perspective. Particular importance is being given to decentralized treatment, able to provide electricity and heat to local users with possible integration with other renewable energies. Proper pre-treatment application increases biogas yield, while a successive post-treatment is needed to meet required effluent standards, also from a toxicological perspective. An increased full-scale application of UASB technology is desirable to achieve circular economy and sustainability scopes, with efficient biogas exploitation, fulfilling renewable energy targets and green-house gases emission reduction, in particular in tropical countries, where limited reactor heating is required.

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Section: Critical Aspects and Future Perspectivesmentioning

confidence: 99%

Section: Critical Aspects and Future Perspectivesmentioning

confidence: 99%

Up-Flow Anaerobic Sludge Blanket (UASB) Technology for Energy Recovery: A Review on State-of-the-Art and Recent Technological Advances

2020

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“…However, there are some disadvantages of SRWCs in relation to environmental sustainability [47] and they must be considered in the politics of their establishment [48]:…”

Section: Short Rotation Woody Cropsmentioning

confidence: 99%

Short Rotation Wood Crops in Latin American: A Review on Status and Potential Uses as Biofuel

Moya

Oporto

2019

Energies

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Studies related to biomass production, with a focus on energy uses for short-rotation woody crops (SRWCs), are limited in Latin America. The research that is available relates to a variety of tested SRWC species (50 species), however, the most important species are Populus, Salix, Eucalyptus, Acacia, and Gmelina arborea. In the existing studies, stocking densities varied from 1111 to 20,000 trees per hectare, with square or rectangular spacing. One important advantage of SRWC systems in this region, compared to most regions worldwide, is the predictability of biomass yields due to the tropical climate conditions of the majority of the Latin American countries. Rotations of three and four years can be projected to produce total biomass yields of 30–50 tons/ha, with increments of 10–20 tons/ha/yr. Fertilization is performed in SRWC with the aim of preventing soil degradation and maintaining further production. In regards to possible uses of biofuel generated from SRWC in Latin America, an inconvenience is that there are neither well-established harvesting systems nor conventional pre-treatments to process the biomass. Processes that are available in the region that use biomass from SRWC for energy production are gasification and pellet production. Other potential biofuel processes, such as torrefaction and biochemical conversion, are limited in this area.

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“…Some industries are contaminating water bodies by toxic materials, while other are responsible for colored effluents (KANU and Achi, 2011). Beside, heavy metals, the industrial wastewater also contains a considerable amount of inorganic materials, organic compounds, salts, detergents, surfactants, dyes, food additives etc, which affect the water physico-chemical properties and toxicity to living organisms (Abbasi et al, 2016;Asadi et al, 2016;Balapure et al, 2016;Barbosa et al, 2014;Barrera-Díaz et al, 2014;Behbahani et al, 2016;Bertani et al, 2016;Bordes et al, 2015;Camacho-Muñoz et al, 2014;Carbajo et al, 2015;Chae et al, 2016;Cheballah et al, 2015;Chong et al, 2015;Chou et al, 2014;da Costa Filho et al, 2016;da Costa et al, 2012b;Expósito et al, 2016;Gatsios et al, 2015;Gatta et al, 2015;Goh et al, 2015;Hoshina and Marin-Morales, 2009;Hu et al, 2015;Jeon, 2015;Kang et al, 2016;Kuroda et al, 2015;Lee et al, 2016;Lee et al, 2015;Liu et al, 2016;Lovatel et al, 2015;Meneses-Jácome et al, 2016;Olorunfemi et al, 2011b;Pereyra et al, 2015;Polat et al, 2015;Prieto et al, 2015;Sarkar et al, 2015;Sasmaz and Yaman, 2008;…”

Section: Industrial Wastewater Naturementioning

confidence: 99%

Bioassays based on higher plants as excellent dosimeters for ecotoxicity monitoring: A review

Int¹,

Iqbal²

2019

Preprint

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All sorts of pollution on the planet can be traced back to development of industries and the most important among them is water pollution. Clean technologies, management practices and regular monitoring of effluents could be helpful to minimize the contamination of watersheds. Allium cepa (A. cepa) has been recognized as a promising genetic model to detect the toxicity of industrial wastewater, contaminated soil, river water, nuclear contamination and even for those systems which are considered non toxic. A. cepa is distinguished as a low cost test, easy to handle and sensitive to both in vivo and in vitro models. It offers the detection of damages in genetic material quantitatively and the results can be generalized for other biological and ecological systems. Moreover, the pollutants can be classified on the basis of this test present in industrial effluents and their mechanism of action on genetic material. This review focuses on the studies undertaken to evaluate the toxicity of industrial wastewater, contaminated river and soils.

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Sustainable Energy from agro-industrial wastewaters in Latin-America

Cited by 52 publications

References 130 publications

Up-Flow Anaerobic Sludge Blanket (UASB) Technology for Energy Recovery: A Review on State-of-the-Art and Recent Technological Advances

Up-Flow Anaerobic Sludge Blanket (UASB) Technology for Energy Recovery: A Review on State-of-the-Art and Recent Technological Advances

Short Rotation Wood Crops in Latin American: A Review on Status and Potential Uses as Biofuel

Bioassays based on higher plants as excellent dosimeters for ecotoxicity monitoring: A review

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