scholarly journals Experimenting with a novel technology for provision of safe drinking water in rural Bangladesh: The case of sub-surface arsenic removal (SAR)

2018 ◽  
Vol 53 ◽  
pp. 161-172 ◽  
Author(s):  
Debasish Kumar Kundu ◽  
Aarti Gupta ◽  
Arthur P.J. Mol ◽  
Mohammad Moshiur Rahman ◽  
Doris van Halem
Water Policy ◽  
2015 ◽  
Vol 18 (2) ◽  
pp. 318-334 ◽  
Author(s):  
Debasish Kumar Kundu ◽  
Aarti Gupta ◽  
Arthur P. J. Mol ◽  
Mahbuba Nasreen

Contamination of shallow tube well drinking water by naturally occurring arsenic is a severe societal and human health challenge in Bangladesh. Multiple technological interventions seeking to ameliorate the problem face hurdles in securing social acceptance, i.e. the willingness of users to receive and use a technology. While most papers focus on expert understanding of social acceptability, this paper analyzes how users themselves understand the factors shaping the social acceptability of safe drinking water options in rural Bangladesh. We then deploy such understanding to comparatively assess which factors users see as most important in securing social acceptance for three safe drinking water options in rural Bangladesh: the arsenic removal household (Sono) filter; the deep tube well; and an improved dug well. We draw on focus groups and semi-structured interviews with technology users in six villages across three districts to analyze how users assess the social acceptability of specific arsenic-safe technologies. Our findings highlight that factors such as availability, affordability and compatibility with existing water use practices, as understood by users, are key to securing users' acceptance of a specific arsenic-safe option. In concluding, we point to a future research agenda to analyze user-oriented social acceptability of arsenic-safe technologies in developing country contexts.


2010 ◽  
Vol 44 (19) ◽  
pp. 5761-5769 ◽  
Author(s):  
D. van Halem ◽  
S. Olivero ◽  
W.W.J.M. de Vet ◽  
J.Q.J.C. Verberk ◽  
G.L. Amy ◽  
...  

1970 ◽  
Vol 46 (3) ◽  
pp. 291-296
Author(s):  
S Siraj ◽  
AI Kazi ◽  
S Ahmed ◽  
MA Akbor ◽  
A Ahsan

In addition to arsenic, the groundwater in Bangladesh is often found to be contaminated with manganese whose permissible limit set by WHO being 400 ppb in drinking water. Since most arsenic removal technologies (ARTs) are designed to remove As and not to remove Mn, during field testing and verification of performance of ARTs under the Bangladesh Environmental Technology Verification-Support to Arsenic Mitigation (BETV-SAM) project of BCSIR, it has been found that only the Sono technology using Fe0 as arsenic removal medium which can also remove Mn to produce Mn safe drinking water but others such as Alcan, Read-F household, Sidko, Nelima, Shawdesh cannot. During field testing of these technologies under the BETV-SAM project, it has been attempted to treat Mn by a traditional chlorine oxidation method to produce Mn safe drinking water. Concentrations of dissolved As (T), As (III), Fe, Mn and pH in the considered well water for manganese treatment were in ranges of 125 - 1247 ppb, 116 - 1127 ppb, 1.40 - 15.5 ppm, 505 - 2245 ppb and 7.0 to 7.5, respectively. The required chlorine dose and time for treatment of manganese in 20 L water have been found to be 6.2 - 12.4 ppm and 1 - 2 h, respectively. Keyword: Arsenic; Manganese; ART; Verification; Chlorine; Iron. DOI: http://dx.doi.org/10.3329/bjsir.v46i3.9033 BJSIR 2011; 46(3): 291-296


The current situation of Pakistan is reaching to an alarming situation in the context of polluting water bodies as well as groundwater due to various natural and anthropogenic activities, which can be foreseen for shortage and unavailability of safe and healthy drinking water for the population. The greater part of Pakistani individuals (almost 60%) living underneath the neediness line so they don't move toward perfect and safe drinking water supplies. Arsenic is one of the hazardous metals presents in various territories of Pakistan as well as in various zones of the world. Its essence strokes individuals' wellbeing by sullying the water. This experimental adsorption study emphasizes on the arsenic removal from drinking water by utilizing cost-effective adsorbent called "Iron Coated Chitosan Beads (ICCB)". This technique is more useful and effective when contrasted with different removal methodologies to remove arsenic from groundwater. ICCB was utilized and it was discovered a compelling and productive adsorbent for the removal of arsenic from groundwater. From all clump tests, the removal level of arsenic is achieved from 79 % to 98%. These results demonstrated that ICCB can be utilized as a productive adsorbent material for the removal of arsenic from water.


2016 ◽  
Author(s):  
Md Sahadat Hossain ◽  
Fahima Akhter ◽  
Victor Emery David Jr

Abstract. Access to pure drinking water is always occupying as the centric position for long-term sustainable development for all. Although Bangladesh has improved its overall status in drinking water sector compared to 1990 scenario. In 2015, its total safe water sources reached to 87 % i.e., still 13% far from full goal achievement. Besides, it has been estimated that 22 of total 164 million population are exposed to > 50 to < 200 μg/L and 5.6 million are to > 200 μg/L respectively. Therefore, achieving sustainable drinking water goals are still challenged for Bangladesh. This study is aimed to assess the hindrance for achieving the entire sustainable development goals (SDGs) and evaluating the role of existing household based Small Arsenic Removal (SAR) technologies in drinking water sector in rural Bangladesh. The literature based evaluation is revealed that SAR technologies have been playing an important role for achieving the SDGs in drinking sectors in Bangladesh. Conversely, the lack of guild lines on their produced sludge laden and consequently improper dumping are adversely affecting the socio-economic and environmental ecosystems. In this vein, there is a framework has been developed based on the relevant studies for achieving the long-term SDGs in the drinking water sector in rural Bangladesh.


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