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Measurement of Pozzolanic Activity Index of Scoria, Pumice, and Rice Husk Ash as Potential Supplementary Cementitious Materials for Portland Cement
(Hindawi, 2017-08-06)
This work investigated the properties of scoria and pumice as supplementary cementitious materials (SCMs) for Portland cement
and compared to those of rice husk ash (RHA). X-ray fluorescence, X-ray diffraction, and ...
Wastewater treatment for reuse in urban agriculture; the case of Moshi Municipality, Tanzania
(Pergamon, 2014-01-01)
Urban agriculture is practiced by dwellers as an adaptive response to improve their food security, household income, create informal employment and diversify their livelihood through sales of surplus produce or savings. ...
Water defluoridation by Fe (III)-loaded sisal fibre: Understanding the influence of the preparation pathways on biosorbents’ defluoridation properties
(Elsevier, 2019-01-15)
Defluoridation properties of two Fe(III)-loaded plant biomass (Fe(III)-activated sisal fibre (Fe(III)-ASF) and post-alkalized Fe(III)-ASF (PA-Fe(III)-ASF)) distinguished by preparation pathways through exclusion/inclusion ...
Metallic iron for safe drinking water provision: Considering a lost knowledge
(Pergamon, 2017-06-15)
Around year 1890, the technology of using metallic iron (Fe0) for safe drinking water provision was already established in Europe. The science and technology to manufacture suitable Fe0 materials were known and further ...
The need to enforce minimum environmental flow requirements in Tanzania to preserve estuaries: case study of mangrove-fringed Wami River estuary
(Elsevier, 2015-11-01)
The importance of restoring and maintaining environmental flows for sustaining the ecosystem integrity of rivers has been recognized in policies and legal frameworks in many countries. However this is routinely not implemented ...