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Water quality assessment with aquatic non-structural blocks made of coal ash aggregates mortars
(2012)
A handful of biochemical processes occur in aquatic environments. One of the problems that are mostly encountered in such environments is caused by excess nutrient input and subsequent algal bloom. A series of studies were ...
Disinfection by-products occurrence and Escherichia Coliform removal in a point-of-entry cistern purification unit
(2012)
This research aims to develop and test a Point-of-Entry Cistern Purification Unit (POE-CPU) to guarantee water quality for household purposes, with an emphasis on turbidity, E. coli removal and minimal occurrence of ...
Optimization of pervious concrete incorporating coal fly ash, iron-oxide nanoparticles and water reducing admixtures and its application for the removal of nutrients and fecal coliforms
(2015-05)
Physicomechanical characteristics and durability of the cement pastes containing fly ash (FA) and iron-oxide nanoparticles (NI) showed that workability was reduced with the FA addition, although it was counterbalanced when ...
Performance of landfills with coal combustion byproducts aggregates as an alternative reactive daily cover
(2012-05)
A landfill is an engineered facility for the disposal of wastes. It is designed and operated to minimize public health and environmental impacts. However, land availability is the limiting factor for the operation and ...
Statistical optimization of pervious concrete pavement containing fly ash and engineered iron oxide nanoparticles for runoff quality and quantity controls
(2014)
Portland cement pervious concrete (PCPC) usage has increased due to its potential to reduce storm water runoff and related pollution. Partial Portland cement substitution by fly ash (FA) in concrete production has the ...
Development of a decision support tool to ensure safe drinking water in non-PRASA communities in Puerto Rico
(2009)
One of the main goals of the Millennium Development Goals is to reduce by half the proportion of people without sustainable access to safe drinking water and basic sanitation. In 2007, 97% of the Puerto Rico’s population ...
Water quality performance of pervious concrete pavements
(2016-07)
Water is one of the most important resources for human needs and, in some countries, the lack of potable and drinking water is a serious issue. For this reason, new infrastructure that increases water conservation and ...
Enhancement of reactive oxygen species production in nanoparticulate bimetallic zero-valent iron and dioxygen system
(2010)
An emerging remediation process involving nanoscale zero-valent iron (nZVI) and dioxygen (O2) has recently been demonstrated to chemically destroy a variety of organic species via oxidation. The degradation of these organic ...
Development of ternary relationships among soil characteristics, CAAs amount, and groundwater quality: column percolation
(2012)
Coal ash aggregates (CAAs) from a coal power plant was evaluated for use as a backfilling substitute in open pit restoration. The restoration was successfully simulated under laboratory conditions by using three dissimilar ...
Phyto-viability on restored land with coal ash aggregates as backfilling amendments
(2009)
One of the main concerns of people in today’s world is the protection of the environment. Unnecessary constructions, inadequate waste management, and heavy transportation are the main causes of the deterioration of what ...