Florentina Zurita

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Verified

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• PhD
• Researcher at University of Guadalajara

In this work, three pilot-scale hybrid constructed wetlands systems were evaluated in order to compare their efficiency in the removal of total coliforms and Escherichia coli. The first system consisted on horizontal subsurface-flow constructed wetlands (HSSF-CW) followed by stabilization ponds (SP); the second one by HSSF-CW followed by vertical s...

This study investigates the performance of large-scale ornamental treatment wetlands (TW) for the treatment of municipal wastewater in the municipality of Nautla, Veracruz, Mexico, specifically within a contaminated estuary in the Gulf of Mexico. The research employed a treatment wetland system that integrates mixed flow methods, including vertical...

The aim of this study was to evaluate a natural coagulant, Moringa oleifera seeds (MOC), to reduce the color concentration in treated tequila vinasses (TVs). TV-A was the effluent of horizontal subsurface flow wetlands (HSSFW); TV-B was the effluent of vertical up-flow wetlands (VUFW); and TV-C was the effluent of vertical down-flow constructed wet...

En México y otros países de América Latina, la mayor parte de las aguas residuales tratadas provienen de áreas urbanas, mientras que las zonas rurales y las pequeñas industrias suelen carecer de sistemas adecuados de tratamiento. Los humedales construidos representan una alternativa eficiente y económica frente a otras tecnologías de saneamiento. E...

Small-scale experiments have been conducted to investigate a wide range of factors suspected to influence treatment wetland (TW) functions and efficiency. One crucial advantage microcosms and mesocosms offer over field-scale systems is that they enable reproduction of experimental treatment units that are as similar as possible, only varying the fa...

The aim of this 2-year study was to evaluate the influence of bed depth (40 and 60 cm) on the development of tropical ornamental species (Alpinia purpurata, Heliconia latispatha and Strelitzia reginae) and on the removal of different contaminants such as chemical oxygen demand (COD), nitrate (N-NO3), ammonium (N-NH4), total nitrogen (TN), total pho...

Partially Saturated Vertical Constructed Wetlands (PSV-CWs) are novel wastewater treatment systems that work through aerobic and anaerobic conditions that favor the removal of pollutants found in high concentrations, such as rivers contaminated with domestic wastewater and landfill leachate. The objective of the study was to evaluate the efficiency...

Tequila vinasse, a byproduct of the tequila industry, is frequently discharged into water bodies or agricultural fields, posing significant ecological and human health risks. Bacterial communities that inhabit these agricultural fields have developed mechanisms to utilize tequila vinasse as a potential nutrient source and to promote plant growth. I...

The aim of this study was to evaluate and compare the efficiency of two types of vertical downflow wetlands (VDFWs) (with the presence of ligninolytic fungus Trametes versicolor and planted with Iris sibirica) for the treatment of tequila vinasses (TVs) as a secondary treatment; control systems with only a filter medium were also included. The syst...

Objective: The aim of this research is to reflect briefly on the importance of the use of agrochemicals in the productivity of some crops according to their contribution to yield, and some implications of their agricultural consumption. Design/methodology/approach: Based on related literature and some experiences in the field on the use and consump...

Veracruz, Mexico, boasts abundant water resources. However, the region is facing challenges stemming from population growth and industrial expansion, leading to a notable increase in wastewater discharge into surface water bodies. This discharge has resulted in significant alterations to water quality. In this study, we analyzed the water quality i...

Remote sensing has emerged as a promising tool for monitoring water quality (WQ) in aquatic ecosystems. This study evaluates the effectiveness of remote sensing in assessing WQ parameters in Cajititlán and Zapotlán lakes in the state of Jalisco, Mexico. Over time, these lakes have witnessed a significant decline in WQ, necessitating the adoption of...

Distillery wastewater (DWW) is a highly polluted industrial effluent generated during the distillation step for the production of alcohol from some feedstocks such as sugarcane, corn, sugar beet, wheat, agave, etc. The aim of this review was to find out the current use of constructed wetlands (CWs) for DWW treatment and/or the challenges of using t...

The aim of this study was to evaluate the water quality in two streams of the Valles region of Jalisco, Mexico and fully determine if they are being used as tequila vinasse disposal sites. Three sampling campaigns were carried out at eight different points of the two streams that run near tequila factories (TFs). Different physicochemical parameter...

The aim of this research was to evaluate the efficiency of horizontal subsurface flow-constructed wetlands (HSSFWs) planted with Hippeastrum striatum and Heliconia lastisphata for the treatment of contaminated river waters by wastewater from the dairy industry (WDI) and domestic wastewater in tropical climates over a study period of 136 days. Cell...

Alternative polymer-based filter media and ornamental plants in constructed wetlands (CWs) are a relatively unexplored field. These approaches have the potential to reduce construction costs and enhance the aesthetic appearance of CWs. This study evaluated for the first time the use of ornamental plants as monoculture and polyculture, as well as th...

Tequila vinasse (TV) is a high-strength effluent generated during the production of tequila, with a chemical oxygen demand (COD) concentration of up to 74 g/L. In this study, the treatment of TV was evaluated in a 27-week study in two types of constructed wetlands (CWs), namely horizontal subsurface flow wetlands (HSSFWs) and vertical upflow wetlan...

This Research Topic Research Topic covers the synthesis and characterization of catalytic and photocatalytic materials for the removal of emerging contaminants and pathogens in water. Alternatives are evaluated to improve carbon-based materials for electrochemical systems and treat industrial wastewater. Finally, the nature and grouping of energy r...

Special Issue "Constructed Wetlands and Wastewater Treatment for the Improvement of Environmental Quality

Special Issue of Applied Sciences focuses on the current state of knowledge on the novel approaches in hydrothermal biomass and wastewater recycling. This Special Issue will publish high-quality, original research papers, from the overlapping fields of: - Hydrothermal pretreatment of wet biomass of different sources; - Hydrothermal carbonization pr...

Wastewater from different sources, if not treated, represents a risk to the quality of the environment. Soil, surface water and groundwater are the recipients of raw wastewater in many regions worldwide. Constructed wetlands (CW) are a low-cost alternative for the treatment of different types of wastewater and for the removal of nutrients, pathogen...

Partially saturated vertical constructed wetlands (PSV-CWs) and free-flow vertical constructed wetlands (FFV-CWS) are treatment systems for which there is limited information on their operation in tropical climates and even scarcer information on their use for municipal/swine wastewater treatment. In this work, the removal of pollutants from munici...

Tequila vinasse has a high contaminating capacity due to its physicochemical characteristics. Efficient and low-cost alternative treatments are required to reduce and control the environmental impacts caused by raw vinasse discharges, mainly from micro and small factories. One option is wetland technologies in which vegetation plays an important ro...

The aim of this study was to evaluate the development and effect of Heliconia latispatha in pilot-scale constructed wetlands (CWs) for the treatment of pig wastewater mixed with domestic wastewater, using PET waste as filter medium, in a tropical climate. Six cells filled with rough recycled PET waste were used; 3 operated with vegetation and 3 wit...

The appearance of SARS-CoV-2 represented a new health threat to humanity and affected millions of people; the transmission of this virus occurs through different routes, and one of them recently under debate in the international community is its possible incorporation and spread by sewage. Therefore, the present work’s research objectives are to re...

Tequila vinasse is a liquid waste generated during the production of tequila, an emblem-atic alcoholic beverage in Mexico. The objective of this study was to carry out an investigation on the tequila factories located in the state of Jalisco in order to know the location of the factories in the state, the characterization of the vinasses including...

The aim of this study was to evaluate horizontal subsurface flow (HSSF) treatment wetlands (TW) for the treatment of swine effluents mixed with domestic wastewater, as well as to compare the efficiency of systems with monocultures and polycultures. Three species of plants were used in both monoculture and polyculture experimental systems: a) Helico...

The aim of this study was to evaluate and compare three species of ligninolytic fungi (Trametes versicolor, Bjerkandera adusta, and Phanerochaete chrysosporium) in laboratory-scale columns with respect to their efficiency for the treatment of raw tequila vinasse, in order to assess the feasibility of incorporating this type of fungi in vertical flo...

The aim of this study was to evaluate horizontal subsurface flow (HSSF) treatment wetlands (TW) for the treatment of swine effluents mixed with domestic wastewater, as well as to compare the efficiency of systems with monocultures and polycultures. Three species of plants were used in both monoculture and polyculture experimental systems: a) Helico...

El agua es un recurso de primordial importancia para la vida y para las actividades humanas. Es por ello que, actualmente, existe una búsqueda de tecnologías para el tratamiento y desinfección de agua que permitan eliminar o inactivar agentes causantes de enfermedades infecciosas o parasitarias. El desarrollo de tecnologías amigables con el ambient...

This six-month study aimed to evaluate the removal of total nitrogen (TN) in two duplicated partially saturated (PS) vertical flow (VF) wetlands added with corncob in two different heights of the free-drainage zone (FDZ) after two years in operation. Both PS VF wetlands efficiently removed organic matter measured as biochemical oxygen demand (BOD5)...

Lignocellulosic wastes are a good alternative to provide biodegradable carbon in treatment wetlands to promote denitrification, specifically in partially saturated subsurface vertical flow wetlands in which such residues can be added both in the free-drainage zone and in the saturated zone. Although the composition of lignocellulosic wastes is simi...

Iris sibirica and Zantedeschia aethiopica are ornamental species that have previously been used in pilot-scale treatment wetlands (TWs) focused on the removal of carbamazepine (CBZ), in which good results were obtained; however, the plant influence was not completely determined. In addition, plant uptake has been reported to play a crucial role in...

In this study, the effect of Spathiphyllum blandum on the removal of ibuprofen (IB) and conventional pollutants such as chemical oxygen demand (COD), total nitrogen (TN), ammonium (NH4+-N), total phosphorus (TP), and total suspended solids (TSS) is reported; this, through its use as an emergent vegetation in fully saturated (FS) constructed wetland...

A composite membrane based on polycaprolactone (PCL) and cellulose nanofibers (CNF) with different compositions was prepared using the electro-spinning method, with the objective of developing organic membranes with good mechanical properties to remove contaminants from water. Water is a resource of primary importance for life and human activities....

Vertical partially saturated (VPS) constructed wetlands (CWs) are a novel wastewater treatment system for which little information is known about its design parameters and performance under tropical climates. The objective of this study is to evaluate the nitrogen removal process from domestic wastewater and the production of tropical ornamental pl...

WThe aim of this 15-month study was to evaluate and compare two partially saturated (PS) vertical flow (VF) wetlands for total nitrogen (TN) removal. The PS VF wetlands, evaluated in duplicate, were added with corncob (CC) in two different heights of the free-drainage zone (FDZ). The FDZ had a height of 40 cm and the saturated zone (SZ) had a heigh...

The aim of this 15-month study was to evaluate and compare two partially saturated (PS) vertical flow (VF) wetlands for total nitrogen (TN) removal. The PS VF wetlands, evaluated in duplicate, were added with corncob (CC) in two di�erent heights of the free-drainage zone (FDZ).

In this research we are reporting the treatment of tequila vinasse by a coagulation-flocculation process coupled with heterogeneous photocatalysis using two types of titanium dioxide nanoparticles, i.e., 1) commercial nanoparticles, and 2) nanoparticles synthesized by sol-gel. The efficiency in the elimination of phenol, which is one of the most ha...

The aim was to evaluate and compare total nitrogen (TN) removal in pilot-scale partially saturated vertical wetlands (PSVWs) with and without an internal solid source of organic carbon (corncob) in order to distinguish the role of nitrification-denitrification and ANAMMOX in the removal process. The height of the free-drainage zone (FDZ) was 40 cm...

The aim was to evaluate and compare total nitrogen (TN) removal in pilot-scale partially saturated vertical wetlands (PSVWs) with and without an internal solid source of organic carbon (corncob) in order to distinguish the role of nitrification-denitrification and ANAMMOX in the removal process

Los humedales de tratamiento se han consolidado en las últimas décadas como una tecnología confiable y eficiente para el tratamiento de diversos tipos de aguas residuales. Su uso está ampliamente extendido en diversos países europeos y de america del norte, principalmente, en dónde se utiliza como tratamiento biológico secundario o terciario. Mient...

Las temáticas relacionadas con el agua y el ambiente están integradas y en cada reunión que congrega a expertos y académicos se obtienen nuevas formas de análisis y propuestas variadas para el planteamiento de posibles soluciones en la gestión del recurso hídrico. Los escenarios de cambio climático que incluyan a las comunidades y, en ese sentido,...

In this study, the aim was to evaluate the adsorption capacity of a volcanic rock commonly used in Mexico as filter medium in constructed wetlands (locally named tezontle) for carbamazepine (CBZ) adsorption, as well as to analyze the change in its capacity with biofilm growth. Adsorption essays were carried out under batch conditions by evaluating...

The aim of this study was to develop an efficient protocol for the in vitro regeneration of chayote (Sechium edule), an important Mexican crop and the evaluation of the genetic fidelity. This species produces recalcitrant seeds, which complicates germplasm storage and makes in vitro conservation a desirable alternative. Proliferation of axillary sh...

In this two-year study, three hybrid constructed wetlands were evaluated and compared for Total-N removal, quantifying the content of each of the nitrogen compounds: Ammonium (NH4⁺), nitrate (NO3–) and organic nitrogen (Org-N). The first system (I) consisted of a subsurface flow horizontal wetland (SSFHW) followed by an aerobic stabilization pond (...

The aims of this one-year study, were to evaluate the removal of carbamazepine (CBZ) in three pilot-scale two-stage hybrid constructed wetlands as well as to evaluate the performance of three emergent species (Thypha latifolia, Iris sibirica and Zantedeschia aethiopica) planted as a polyculture. The systems included horizontal subsurface flow wetla...

Several physicochemical properties were measured in commercial tequila brands: conductivity, density, pH, sound velocity, viscosity, and refractive index. Physicochemical data were analyzed by Principal Component Analysis (PCA), cluster analysis, and the one-way analysis of variance to identify the quality and authenticity of tequila brands. Accord...

En general, se ha encontrado que los humedales construidos son efectivos en diferentes grados para la remoción de fármacos; sin embargo, existen casos como el de la carbamazepina (CBZ), cuyas eficiencias de remoción reportadas han sido muy bajas. El objetivo de este estudio fue evaluar las eficiencias de remoción másica de dicho fármaco en tres sis...

In general, it has been found that constructed wetlands are effective in different levels for pharmaceutical removal; however, there are cases with very low removal efficiencies such as that of carbamazepine. The aim of this study was to evaluate the mass removal efficiencies of the drug in three hybrid constructed wetland systems with two-stage tr...

Three pilot-scale hybrid constructed wetlands systems were evaluated in order to compare their efficiency in the removal of total coliforms and Escherichia coli. The first system consisted on horizontal subsurface flow constructed wetlands (HSSFCW) followed by stabilization ponds (SP), the second one by HSSF-CW followed by vertical subsurface-flow...

The amount of total phenols and flavonoids and the antioxidant activity of leaf, stem, and rhizome methanolic extracts from a commonly consumed Anemopsis californica under different storage conditions were investigated. Storage conditions were at 50, 25, 4, and −20°C, protected or not from light, during 180 days. The inhibition of the elastase enzy...

La raicilla es una bebida originaria producto del destilado de una serie de agaves provenientes de las regiones Sierra Occidental y Costa Norte de Jalisco. Esta bebida ha reunido a un grupo de socios en el Consejo Mexicano Promotor de la Raicilla con el objetivo de alcanzar la denominación de origen. A su vez, este objetivo llevó a los productores...

Three pilot-scale two-stage hybrid constructed wetlands were evaluated in order to compare their efficiency for total coliforms (TCol) and Escherichia coli removal and to analyze their performances in two 1-year periods of experimentation. System I consisted of a horizontal flow (HF) constructed wetland (CW) followed by a stabilization pond. System...

In this study, three different two-stage hybrid ecological wastewater treatment systems (HEWTS) with combinations of horizontal flow (HF) constructed wetlands (CWs), vertical flow (VF) CWs and stabilization ponds (SP) were evaluated for the removal of Organic-N, NH4+, NO3-, Total N, Total P, Total Coliforms (TCol) and Escherichia Coli, BOD, COD and...

Anemopsis californica is a perennial herbaceous plant that has been utilized as a medicinal plant for the treatment of various diseases. The present work was carried out with the objective of optimizing a method of extraction of the genomic DNA of A. californica and a PCR protocol and later to evaluate the existing genetic diversity among the genot...

a b s t r a c t Subsurface flow constructed wetlands (SSFCW) are currently under evaluation as a promising treatment option for removal of As from drinking water. Issues to consider are selection of plant species capable of accumulating As in addition to choosing a substrate for the bed material which demonstrates a strong sorptive capacity for As....

Anemopsis californica, commonly known as yerba mansa, is an important medicinal plant that has traditionally been used to treat a variety of digestive, respiratory and skin ailments, and has been reported to possess anticancer properties. The increase in demand for this medicinal plant puts wild populations at risk due to over-harvesting; therefore...

The aim of this paper is to evaluate the current status of municipal wastewater (MWW) treatment in Mexico, as well as to assess opportunities for using ecological treatment systems, such as constructed wetlands. In 2008, Mexico had 2101 MWW treatment plants that treated only 84 m3/s of wastewater (208 m3/s ofMWW were collected in sewer systems). Un...

The purpose ofthis workwasto evalúate different conditions and culture parametersforthein vitro establishment and multiplicaron of Hylocereus purpusii. Seeds were used as plant material and a workflowwas developed as an alternative forthe propagation and recovery ofthis species in danger of extinction. ln the establishment phase, the best result wa...

Recently, efforts have been made to increase municipal wastewater treatment plants in Mexico; however, efforts have focused mainly on urban communities. Municipal wastewater can be treated with different technologies ranging from expensive and highly mechanized equipment to relatively simple and low-cost ecological treatment systems. This paper's a...

The aim of this study was to evaluate the domestic wastewater treatment efficiency as well as the survivability of commercially valuable ornamental plants in subsurface flow wetlands (SSFW) for domestic wastewater (DWW) treatment in laboratory and pilot wetland studies. The laboratory scale study included five different species (Zantedeschia aethio...

Recently, efforts have been made to increase municipal wastewater treatment plants in Mexico; however, efforts have focused mainly on urban communities. Municipal wastewater can be treated with different technologies ranging from expensive and highly mechanized equipment to relatively simple and low-cost ecological treatment systems. This paper's a...

In developing countries, the use of non-conventional plant species as emergent plants in constructed wetlands may add economic benefits besides treating wastewater. In this work, the use of four commercial-valuable ornamental species (Zantedeschia aethiopica, Strelitzia reginae, Anturium andreanum and Agapanthus africanus) was investigated in two t...

In developing countries, the use of constructed wetlands for domestic wastewater treatment has been limited despite their advantages over conventional treatment systems. In order to make the use of constructed wetlands more attractive in these countries, where the economic resources are very scarce, it is necessary to find a way that the resources...

This work proposes an innovative wastewater treatment system that consists of a constructed subsurface flow wetland planted with ornamental flowers of high market value. In addition to the benefit of the water treatment, this cash crop pro- vides a profitable business by producing commercial flowers that can meet all biological and safety requireme...