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Failing arsenic mitigation technology in rural Bangladesh: explaining stagnation in niche formation of the Sono filter

机译：孟加拉国农村地区缓解砷的技术失败：解释Sono过滤器利基形成的停滞

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摘要

Arsenic contamination of shallow hand pump tube well drinking water in Bangladesh has created opportunities for radical innovations to emerge. One such innovation is the household Sono filter, designed to remove arsenic from water supplies. Applying a strategic niche management approach, and based on interviews, focus groups and a workshop, this article explains the Sono filter's failure to establish itself as a successful niche technology. Three explanatory factors are identified: lack of a strong social network (of technology producers, donors, users, and government actors) around it; diverging expectations regarding its potential to be a long-term solution; and lack of second-order learning amongst key actors. Beyond these three factors that help to explain the lack of successful niche formation, this paper clearly shows that the overwhelming dependency on fund-driven projects also deters successful niche formation in the context of the developing world.
机译：孟加拉国的浅水手泵管井饮用水中的砷污染为彻底创新创造了机会。一种这样的创新是家用Sono过滤器，该过滤器旨在去除供水中的砷。本文采用战略性利基管理方法，并基于访谈，焦点小组和研讨会的情况，解释了Sono过滤器未能将自己确立为成功的利基技术的原因。确定了三个解释性因素：缺乏围绕它的强大的社交网络（技术生产者，捐赠者，用户和政府行为者）；对其长期解决方案的潜力抱有不同的期望；关键参与者之间缺乏二阶学习。除了这三个有助于解释缺乏成功的利基形成的因素之外，本文还清楚地表明，在发展中世界的背景下，对基金驱动项目的过度依赖也阻碍了成功的利基形成。

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