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Measuring the relevance of factors in the occurrence of events
(2016-09)
Article
Open AccessA new way to compare the relevance of the different factors intervening in the occurrences of an event is presented and developed in this paper. The idea behind the method comes from cooperative game theory but the focus ... -
Biofiltration of WWTP sludge composting emissions at contact times of 2–10 s by structured/unstructured packing materials
(2015-05-29)
Article
Open AccessThe performance of a biotrickling filter for the abatement of composting emissions was evaluated at short gas contact times of 2–10 s with a structured and an unstructured packing material. The effect of the gas contact ... -
Application of a novel respirometric methodology to characterize mass transfer and activity of H2S-oxidizing biofilms in biotrickling filter beds
(2015-07-15)
Article
Open AccessThe elimination capacity of gaseous H2S biofiltration can be limited either by mass transfer or bioreaction in the biofilm. Assessment of the biological activity of immobilized cells (biofilm) usually implies morphological ... -
Determination of the friction factors in potash mines
(2014-09-01)
Article
Open AccessThe friction factor is an essential parameter to take into account for modelling the ventilation system. One of the principal features that define the friction factor is the roughness, which not only does it have influence ... -
Profiling of oxygen in biofilms using individually addressable disk microelectrodes on a microfabricated needle
(2015-04-01)
Article
Open AccessA novel microelectrode array sensor was fabricated using MEMS technology on a needle, and then applied to real-time measurement of dissolved oxygen (DO) inside biofilms. The sensor consists of eleven gold disk microelectrodes ... -
Role of activated carbon properties in atrazine and paracetamol adsorption equilibrium and kinetics
(2015-05-20)
Article
Open AccessAdsorption of two widespread emerging water contaminants (atrazine and paracetamol) onto three different activated carbons was investigated. The carbons were characterized and the influence of their physicochemical properties ... -
Kinetic and stoichiometric characterization of anoxic sulfide oxidation by SO-NR mixed cultures from anoxic biotrickling filters
(2015-01-01)
Article
Open AccessMonitoring the biological activity in biotrickling filters is difficult since it implies estimating biomass concentration and its growth yield, which can hardly be measured in immobilized biomass systems. In this study, ... -
Kinetics of sorption of polyaromatic hydrocarbons onto granular activated carbon and Macronet hyper-cross-linked polymers (MN200)
(2007-06-01)
Article
Restricted access - publisher's policyPolymeric supports are presented as an alternative to granular activated carbon (GAC) for organic contaminant removal from groundwater using permeable reactive barriers (PRB). The search for suitable polymeric sorbents for ... -
Resorcinol and m-guaiacol alkylated derivatives and asymmetrical secondary alcohols in the leaves from Tamarix canariensis
(2014-12)
Article
Open AccessIn the study of leaves from the halotolerant saltcedar (Tamarix canariensis Willd.) we have found a new abundant source of resorcinolic as well as guaiacolic compounds. A homologous series of 5-n-alkylresorcinols with long ... -
Study of Spanish mining accidents using data mining techniques
(2015-06)
Article
Restricted access - publisher's policyMining is an economic sector with a high number of accidents. Mines are hazardous places and workers can suffer a wide variety of injuries. Utilizing a database composed of almost 70,000 occupational accidents ... -
Biofilm dynamics characterization using a novel DO-MEA sensor: mass transport and biokinetics
(2015-01)
Article
Open AccessBiodegradation process modeling is an essential tool for the optimization of biotechnologies related to gaseous pollutant treatment. In these technologies, the predominant role of biofilm, particularly under conditions of ... -
Modeling the effects of biomass accumulation on the performance of a biotrickling filter packed with PUF support for the alkaline biotreatment of dimethyl disulfide vapors in air
(2015-01)
Article
Open AccessExcess biomass buildup in biotrickling filters leads to low performance. The effect of biomass accumulation in a biotrickling filter (BTF) packed with polyurethane foam (PUF) was assessed in terms of hydrodynamics and void ...