Characterizing the reactivity of metallic iron for water defluoridation in batch studies

The Impact of Selected Pretreatment Procedures on Iron Dissolution from Metallic Iron Specimens Used in Water Treatment

“…The main output of this work is that available results are hardly comparable as they were achieved under very different experimental conditions. A conceptual framework is presented for future research directed towards a more processed understanding.Sustainability 2019, 11, 671 2 of 20 organic [27,28], fluoride [29][30][31], heavy metals [32,33], nitrate [34,35], pathogens [36][37][38] and radionuclides [32,39]. The desalination of water using Fe 0 has also been reported [40][41][42][43].…”

“…Clarifying this contradiction is certainly a progress for the whole Fe 0 technology. Clearly, an understanding of the role of "passivation" in the process of decontamination using Fe 0 should be useful for enhancing the system's efficiency in practice [30,31,47].There is an agreement on the evidence that using Fe 0 for water treatment and environmental remediation is "putting corrosion to use" [51][52][53]. There is otherwise a contradiction on practically any other aspect concerning the Fe 0 /H 2 O system, including the reaction mechanisms and factors determining the long-term efficiency of such systems [9,28,47,[54][55][56][57][58].…”

“…Clarifying this contradiction is certainly a progress for the whole Fe 0 technology. Clearly, an understanding of the role of "passivation" in the process of decontamination using Fe 0 should be useful for enhancing the system's efficiency in practice [30,31,47].…”

Defeating Fluorosis in the East African Rift Valley: Transforming the Kilimanjaro into a Rainwater Harvesting Park

“…The way forward is to create a synergy to use the widely available expertise from several disciplines, including chemical engineering, chemistry, civil engineering, geochemistry, hydrology, hydrogeology and social sciences. Sound strategies for large-scale RWH systems already exist [56,[74][75][76]]. An appropriate adaptation for sustainable demand-based designs is urgently needed.…”

“…However, Btatkeu-K et al [82] have demonstrated that by using affordable designs, reliable results can be obtained at the expense of time, that is, simple devices and longer analytical times (and more personnel). For fluoride determination, the affordable ion-sensitive-electrode-method (potentiometry) has been demonstrated to be very efficient and reliable for natural waters [15,16,76]. Moreover, the analysis costs have been considerably decreased by successfully using table salt (NaCl) for commercial chemicals and ethylenediaminetetraacetic (EDTA) in preparing the total ionic strength adjustment buffer (TISAB) [16].…”