• Journal of Appropriate Technology
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• v.7 no.1
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• pp.72-81
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• 2021

Gravity-driven membrane (GDM) filtration system based on the nanofiber membrane was investigated. This system can be operated with little energy demand due to a gravitational pressure-driven filtration and biological fouling control strategy. Moreover, the optimal module configuration based on the high permeance of nanofiber membrane can provide a significantly high water productivity. In order to evaluate its applicability potential, the pilot-scale (3000-5000 L/day) systems with nanofiber membranes were operated in developing countries (Kiribati and Tuvalu). Our results showed that the 14-92 L/(m²×h) of the permeate flux was determined indicating a stabilized water productivity. In addition, the permeate water indicated a high removal rate (more than 99.99%) of turbidity and bacteria. Consequently, the system can provide a stabilized water production with safe permeate water quality during long-term operation. These findings exemplify an effective approach to decentralized drinking water treatment for developing countries.

• Journal of Appropriate Technology
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• v.5 no.2
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• pp.56-61
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• 2019

• Journal of Appropriate Technology
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• v.7 no.1
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• pp.33-40
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• 2021

The government of Uganda, which belongs to East Africa, approved the National Vison Statement, "A transformed Ugandan society from a Peasant to a Modern and Prosperous Country within 30 years". However, the Uganda is facing the problem of unbalanced development between urban and rural area in spite of the government's efforts. In particular, the urban-rural education gap is emerging as a problem that could negatively affect national development plans. In this paper, we explain the reasons why Uganda's urban-rural educational imbalance is accelerating. In addition, we would like to introduce a way to reduce the educational imbalance by using appropriate technology of ICT such as the electronic library system.

• Journal of Appropriate Technology
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• v.5 no.1
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• pp.38-45
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• 2019

In 2017, aiming at developing, educating, and commercializing innovative appropriate technologies that are suitable for Tanzanian environment, the Ministry of Science and ICT in Korea established an innovative technology and energy center in a Tanzanian university. Using the qualitative methodologies such as an ethnography of a research project, document analyses of memoranda of understandings, journal articles, reports, announcements, and newspaper articles, participant observation of formal and informal meetings, and semi-structured interviews with participants engaging in an appropriate technology center, this study examines how triple helix model in S&T innovation has been applied to the development of the Korea-Tanzania appropriate technology center. Despite growing importance in national S&T policies, only few studies have discussed office development aid (ODA) in association with innovation. The analysis of the appropriate technology center with the framework of the triple-helix model shows the close tie between official development aid (ODA) and the cross national innovation promoted in Korea. This study also contributes to understanding embedded organizational structure, conflicts, and barriers of an ODA project in Korea.

• Journal of Appropriate Technology
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• v.5 no.2
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• pp.62-69
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• 2019

Supplying stable electric power is one of the important objectives of the Official Development Assistance (ODA) because it is strongly related with improving living standards and income levels in the region. However, rural areas in many developing countries are not properly connected to national power grids, and even areas connected to national power grids are frequently blacked out due to limitations in power capacity. These lack of electric power is a major obstacle to improving income levels and improving living standards in those areas. The Korea-Tanzania Innovative and Energy Center (iTEC), which was established by Seoul National University in cooperation with the Nelson-Mandela Africa Institute of Science and Technology and Technology (NM-AIST) try to build a small solar power plant using a smart-off grid in rural area of Tanzania, where there is no electricity. 10 kW and 7 kW solar power plants are built in Mkalama Village in Kilimanajaro Region and Ngurdoto Village in Arusha Region to provide power to about 50 households each. In addition, smart monitoring systems were installed to collect data about status of power system and power consumption of each house. iTEC seeks for sustainable improvement the income level and quality of life of rural residents in developing countries through the construction of small solar power plants using smart-off grid, and the implementation of various connected projects.

• Journal of Appropriate Technology
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• v.5 no.2
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• pp.106-113
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• 2019

In order to respond to the global environmental issues, developed countries have been helped the developing countries as the Official Development Assistance (ODA). It is important to understand technology needs of the developing countries to provide the optimum solutions. In this study, the information of the environmental R&D dealing with appropriate technology were comprehensively collected based on the conducted R&D projects from the ministry of environment in Korea. The technology needs by UNFCCC (United Nations Framework Convention on Climate Change) and Korean government were analyzed named as TNA and CPS according to the target developing countries. In South-East Asia and Africa region, there were technology needs on water, biota, air, solid wastes, infrastructures and resources. And they were related to the issues such as environmental pollution, construction, climate change, biodiversity, energy and water management. The technology needs by UNFCCC and Korean government were also compared. Furthermore, the environmental R&D on appropriate technology should be focused on localization and maintenance to provide sustainable solutions to the developing countries.

• Ingenium
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• v.19 no.3
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• pp.15-19
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• 2012

• Korean Architects
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• s.507
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• pp.10-10
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• 2011

• The monthly packaging world
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• s.39
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• pp.108-122
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• 1996

• Magazine of the Korean Society of Agricultural Engineers
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• v.60 no.1
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• pp.12-19
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• 2018