Development of an up-flow irradiation device for electron beam wastewater treatment

Rela, P.R.; Sampa, M.H.O.; Duarte, C.L.; Costa, F.E.; Sciani, V.

doi:10.1016/s0969-806x(99)00458-2

Cited by 21 publications

(13 citation statements)

References 1 publication

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“…Indirect action occurs when vital components of cells are affected by highly reactive chemical compounds formed after the interaction of ionizing radiation and water [61,63,64]. This interaction, known as water radiolysis [58,62,65], leads to the formation of free radicals [66], capable of interacting with other molecules and causing their oxidation, reduction, dissociation or degradation [61,65,67]. Water molecules are the most abundant in a biological organism or in an aqueous solution such as wort, making this interaction a critical phenomenon for indirect inactivation of microorganisms [58,60,68,69].…”

Section: Electron Beammentioning

confidence: 99%

“…Spores or endospores are resistant structures and tend to be more resilient than vegetative cells, often requiring higher doses of ionizing radiation for their inactivation [16]. In any case, the radiation dose applied must strike a balance between what can be tolerated in the product without undesirable changes and what is necessary to achieve the desired effects [50,65,72]. Establishing minimum doses is of paramount importance when the goal is to eliminate pathogenic organisms [54,73,74].…”

Section: Electron Beammentioning

confidence: 99%

“…Gamma rays, X-rays and electrons differ only in the primary radiation that interacts with the material. After the initial interaction, the energy transport mechanism inside the product is the same for all three types of radiation, with secondary electrons (electrons ejected from their orbits) predominating and producing the majority of excitations and ionizations [54,58,65,68].…”

Section: Electron Beammentioning

confidence: 99%

“…Electron beams are released from the cathode, also called cathode rays. The accelerated electrons are characterized by low penetration and high dose rate (kGy s −1 ) [32], which significantly reduces the treatment time of the material [65]. This characteristic makes it possible to use the electron beam in production lines with high throughput [32,54].…”

Section: Electron Beammentioning

confidence: 99%

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Electron Beam on Fermentation Medium as an Alternative Disinfection Method for Ethanol Distilleries: A Comprehensive Review

Douradinho,

Sica,

Perecin

et al. 2024

Fermentation

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Corn and sugarcane are the primary feedstocks for ethanol production, but microbial contamination hinders yeast fermentation efficiency. Current control methods include antibiotics and sulfuric acid, but they have limitations, resulting in dependence on external inputs and the risk of antibiotic-resistant bacteria. This review examines electron beam technology as an industrial-scale disinfection solution for both corn- and sugarcane-based ethanol production, highlighting its advantages, limitations and opportunities for adoption in Brazil. A critical evaluation highlights the importance of optimal operating conditions for scalability, cost effectiveness and sustainable implementation. Through a practical example, we demonstrate the effectiveness of electron beam treatment in improving fermentation efficiency and reducing contamination-related losses. Notably, the ionizing radiation from this process does not affect wort sugar content or generate radioactive residues. While acknowledging the potentially high energy input requirements, cogeneration in sugarcane mills can address this, making it a viable option; however, further technical and economic evaluation should be made. In addition, electron beam technology is a promising approach for the production of high-value products such as neutral alcohol, amino acids, animal feed and pharmaceuticals. Therefore, this comprehensive review provides valuable insights for researchers, industry stakeholders and policymakers to promote sustainable and efficient ethanol production practices.

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Section: Electron Beammentioning

confidence: 99%

Section: Electron Beammentioning

confidence: 99%

Section: Electron Beammentioning

confidence: 99%

Section: Electron Beammentioning

confidence: 99%

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Electron Beam on Fermentation Medium as an Alternative Disinfection Method for Ethanol Distilleries: A Comprehensive Review

Douradinho,

Sica,

Perecin

et al. 2024

Fermentation

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“…Direct, transformer accelerators, single resonant cavity accelerators and microwave source powered linear accelerators have been found to be the most suitable for radiation processing. (Rela et al, 2000) Reclaimed water derived from a secondary or tertiary wastewater treatment plant could be utilized as source water for paper mills providing that reclaimed water contains little color, suspended solids, fluctuating pH, high temperature, or high COD. (Chmielewski and Haji-Saeid, 2004) The state-of-the-art for electron beam processing of liquids has excelled in the last seven years.…”

Section: Technical Evaluationmentioning

confidence: 99%

Efficacy of Advanced Oxidation Processes for Elimination of Objectionable Contaminants from Wastewater Effluent

Cole¹,

Cooper²,

Mezyk³

2007

proc water environ fed

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Increasing demand for reclaimed water from wastewater treatment facilities has revolutionized the need for awareness of effluent quality and its properties. Wastewater can be made suitable for many reuse applications. Many of these applications for reclaimed water in industry, agriculture, and other beneficial uses have required stricter controls on the effluent quality from wastewater plants. These controls may apply to microbial pathogens, disinfection-by-products, or endocrine disruptors. In 1956, a paper to the Virginia Section meeting of the American Waterworks Association titled Destruction of Microorganisms in Water, Sewage, Sewage Sludge by Ionizing Radiation, Lowe, Lacy, Surkiewicz, and Jager concluded that it was possible to kill or inactivate pathogenic microorganisms in water by 60 Co gamma irradiation. Disinfectants such as chlorine, chloramines and ozone, react with natural organic matter to form disinfection-by-products (DBPs), many of which are regulated. Endocrine disruptors represent an emerging concern for their impact to the environment and fate within the ecosystem. Advanced oxidation processes using free radical chemistry represent a reasonably viable alternative to chemical additives such as chlorine or ozone for removal or elimination of objectionable contaminants from water. The process for production of free radicals has been well established. This paper explores the efficacy for use of advance oxidation processes using free radical chemistry for the elimination of objectionable contaminants from wastewater effluent and for reuse applications. Central to the focus of this paper will be the application of reuse water to the paper mill industry and agriculture. Relevant data and information on the needed reuse water quality criteria required for various processes are addressed and the criteria for treatment for removal of unwanted or objectionable contaminants will be identified. KEYWORDSReuse, reclaimed, electron beam, AOP, paper mill, agriculture, free radical chemistry 960 WEFTEC®.07 data obtained from pilot tests and operating installations indicate that the application of electron beam treatment of paper mill wastes presents a viable alternative for reuse options especially where water resources are a concern. The reuse waters from wastewater treatment facilities using electron beam treatment for detoxification should be considered a suitable source of water for use in paper mills, silvicultural and agricultural uses. These reuse and reclaimed waters will help conserve water resources used for drinking water and help industry and agriculture meet their needs for water resource demands. 967 WEFTEC®.07

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Review on Hydrodynamic Behavior of Continuous Flow Reactors for Water Treatment by Electron Beam

Ding

Xie

Fan

et al. 2019

Sustainable Development of Water and Environment

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Development of an up-flow irradiation device for electron beam wastewater treatment

Cited by 21 publications

References 1 publication

Electron Beam on Fermentation Medium as an Alternative Disinfection Method for Ethanol Distilleries: A Comprehensive Review

Electron Beam on Fermentation Medium as an Alternative Disinfection Method for Ethanol Distilleries: A Comprehensive Review

Efficacy of Advanced Oxidation Processes for Elimination of Objectionable Contaminants from Wastewater Effluent

Review on Hydrodynamic Behavior of Continuous Flow Reactors for Water Treatment by Electron Beam

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