Application of an electrochemical chlorine-generation system combined with solar energy as appropriate technology for water disinfection

Jeong-Wha, Choi; Park, Chan Gyu; Yoon, Jeyong

doi:10.1093/trstmh/trs008

Cited by 7 publications

(3 citation statements)

References 13 publications

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“…The original water disinfection systems using an electrochemical mixed oxidants-generating system (Prototype, Figure 1(a) and (c)) was described in a previous study (Choi et al, 2013). Briefly, the prototype consists of anode, cathode, 2 L reactor, a solar panel and a recharging battery.…”

Section: Electrochemical Mixed Oxidants-generating Systemsmentioning

confidence: 99%

“…In a previous study, we developed an on-site electrochemical mixed oxidants-generating system combined with solar energy (Figure 1(a) and (c)) and demonstrated that it could produce high concentration of chlorine (Choi et al, 2013). Later, we were able to downsize the original electrochemical mixed oxidants-generating system up to 1 L and made it convenient to carry (portable) (Figure 1(b)), and found out that this system can generate enough chlorine in a short period of This journal is ⓒ Academic Society for Appropriate Technology 2023 time to disinfect a relatively large amount of water (Kim et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Development of a Simple and Effective Water Disinfection System Using an Electrochemical Mixed Oxidants-Generating System to Remove Waterborne Pathogens in Developing Countries

Bae,

Kim,

Yoon

et al. 2023

J Appropr Technol

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Despite tremendous efforts from various international agencies such as World Health Organization (WHO), waterborne diseases are a still major cause of morbidity and mortality in the world – with more than 1 billion incidences and more than 2 million deaths per year. As an effort to mitigate this global burden, we developed a water disinfection system using electrochemical mixed oxidants-generating system. This system is simple, inexpensive, and easy to use. In this study, we determined the effectiveness of the new water disinfection system against waterborne pathogens using Escherichia coli CN13, bacteriophage MS2 and Bacillus subtilis spores as bacterial, viral, and protozoa indicator organisms, respectively. The results of this study showed that the new water disinfection system is very effective against E. coli CN13 (~3 log10 inactivation within 3 minutes with 0.3 mg/L of free chlorine) and coliphage MS2 (> 4 log10 inactivation within 3 minutes with 0.5 mg/L of free chlorine) Although the inactivation of B. subtilis spores by the new disinfection system was somewhat slow (~0.5 log10 inactivation in 60 minutes with 10 mg/L of free chlorine), the result is similar to previous studies with free chlorine. Overall, the results of this study indicate that the new water disinfection system using an electrochemical mixed oxidants-generating system is easy to use, convenient to carry, and also very effective against most waterborne pathogens, so it could be a sustainable solution for providing safe drinking water to the people in developing countries.

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Section: Electrochemical Mixed Oxidants-generating Systemsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Development of a Simple and Effective Water Disinfection System Using an Electrochemical Mixed Oxidants-Generating System to Remove Waterborne Pathogens in Developing Countries

Bae,

Kim,

Yoon

et al. 2023

J Appropr Technol

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show abstract

“…Whereas in comparison, the type of anode became inconsequential at an extreme NaCl concentration (>35,000 mg/L), However Choi et al, carried out experimentation, only related to the effect of the anode on current density and power consumption. No investigations regarding the change in electrolyte, inter-electrode gap (65).…”

Section: Literature On Electro-chlorinationmentioning

confidence: 99%

A Systematic Review on Advancements in Drinking Water Disinfection Technologies: A Sustainable Development Perspective

Shinde

Apte

2020

J. Environ. Treat. Tech.

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The Sustainable Development Goal 2015-30, which is the blueprint to achieve a better and sustainable future for all includes goal number six, aiming at the provision of clean water and sanitation by 2030 worldwide. But still the rural areas in developing nations are predominantly facing the scarcity of pathogen-free drinking water, which creates an urgent need for research in the area of water disinfection. The paper presents a systematic literature review of the conventional and novel water disinfection techniques supported by a bibliometric analysis based on the data from Scopus and Web of Science data from the year 1980 to 2020 for all the disinfection techniques. The novel and latest water disinfection technology in the literature studied by few researchers are also discussed and it can be concluded that the research related to these latest technologies is fewer and real-life usage is very scanty. The detailed literature review indicates the need for novel, decentralized, low-cost water disinfection technology for providing clean and pathogen-free water to all, overcoming the problems related to access of safe drinking water to rural communities. The paper also identifies the research gaps related to new technologies for water disinfection which needs to addressed in further studies.

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Anti-bacterial performance, disinfection by-products control and optimization strategy in distributed potable water supply using electrolysis

Chen

Wang

et al. 2020

Journal of Cleaner Production

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Application of an electrochemical chlorine-generation system combined with solar energy as appropriate technology for water disinfection

Abstract: The solar-powered electrochemical chlorine generation system for which design information is provided here is a simple and affordable way to produce chlorine with which to convert contaminated water into clean drinking water.

Cited by 7 publications

References 13 publications

Development of a Simple and Effective Water Disinfection System Using an Electrochemical Mixed Oxidants-Generating System to Remove Waterborne Pathogens in Developing Countries

Development of a Simple and Effective Water Disinfection System Using an Electrochemical Mixed Oxidants-Generating System to Remove Waterborne Pathogens in Developing Countries

A Systematic Review on Advancements in Drinking Water Disinfection Technologies: A Sustainable Development Perspective

Anti-bacterial performance, disinfection by-products control and optimization strategy in distributed potable water supply using electrolysis

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