Modeling organic matter and nitrogen removal from domestic wastewater in a pilot-scale vertical subsurface flow constructed wetland

Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Ciro Fernando Bustillo-LecompteClaudia Fernanda Castro-Faccetti

Abstract

Constructed wetlands have become an attractive alternative for wastewater treatment. However, there is not a globally accepted mathematical model to predict their performance. In this study, the VS2DTI software was used to predict the effluent biochemical oxygen demand (BOD) and total nitrogen (TN) in a pilot-scale vertical flow constructed wetland (VFCW) treating domestic wastewater. After a 5-week adaptation period, the pilot system was monitored for another 6 weeks. Experiments were conducted at hydraulic retention times (HRTs) in the range of 2-4 days with Typha latifolia as the vegetation. The raw wastewater concentrations ranged between 144-430 and 122-283 mg L(-1) for BOD5 and TN, respectively. A first-order kinetic model coupled with the advection/dispersion and Richards' equations was proposed to predict the removal rates of BOD5 and TN from domestic wastewater. Two main physical processes were modeled in this study, porous material water flow and solute transport through the different layers of the VFCW to simulate the constructed wetland (CW) conditions. The model was calibrated based on the BOD5 and TN degradation constants. The model indicated that most of BOD and TN (88 and 92%, respectively) were removed through ...Continue Reading

References

Jun 1, 1979·Applied and Environmental Microbiology·R S Boethling, M Alexander
Mar 23, 2006·Bioresource Technology·Renato Carrhá LeitãoGatze Lettinga
Dec 22, 2007·Journal of Environmental Management·G V T Gopala KrishnaPradeep Kumar
Oct 20, 2010·The Science of the Total Environment·I OllerJ A Sánchez-Pérez
Dec 8, 2010·Journal of Environmental Management·J L G Kumar, Y Q Zhao
Apr 19, 2012·Ground Water·Lee B PorterBehzad Ghanbarian-Alavijeh
Apr 12, 2013·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Ciro Fernando Bustillo-LecompteEdgar Quiñones-Bolaños
Jan 8, 2014·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Olufemi Oludare Aluko, Mkc Sridhar
Jan 25, 2014·Advanced Materials·Guangmin ZhouHui-Ming Cheng
Feb 4, 2014·Journal of Environmental Management·Ciro Fernando Bustillo-LecompteEdgar Quiñones-Bolaños
Jul 16, 2014·Water Science and Technology : a Journal of the International Association on Water Pollution Research·M M PérezF Tack
Jul 22, 2015·Journal of Environmental Management·Ciro Fernando Bustillo-Lecompte, Mehrab Mehrvar

❮ Previous
Next ❯

Software Mentioned

VS2DTI
COMSOL Multiphysics
CW2D
HYDRUS
Variably Saturated 2D Flow and Transport ( VS2DT )
AQUASIM
_ PORE
STELLA
MFDTGD
WASH123D

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Related Papers

Water Science and Technology : a Journal of the International Association on Water Pollution Research
M M PérezF Tack
Water Science and Technology : a Journal of the International Association on Water Pollution Research
Rajat K ChakrabortiTerry Kirsch
Water Science and Technology : a Journal of the International Association on Water Pollution Research
G Langergraber
© 2021 Meta ULC. All rights reserved