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https://www.readbyqxmd.com/read/28527182/water-for-agriculture-the-convergence-of-sustainability-and-safety
#1
Sarah M Markland, David Ingram, Kalmia E Kniel, Manan Sharma
Agricultural water is a precious and limited resource. Increasingly more water types and sources are being explored for use in irrigation within the United States and across the globe. As outlined in this chapter, the Produce Safety Rule (PSR) in the Food Safety and Modernization Act (FSMA) provide irrigation water standards for application of water to fruits and vegetables consumed raw. These rules for production and use of water will continue to develop and be required as the world experiences aspects of a changing climate including flooding as well as drought conditions...
May 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28512710/effects-of-coexisting-bde-47-on-the-migration-and-biodegradation-of-bde-99-in-river-based-aquifer-media-recharged-with-reclaimed-water
#2
Y Yan, Y Li, M Ma, W Ma, X Cheng, K Xu
Two prominent polybrominated diphenyl ether (PBDE) congeners have been included in the persistent organic pollutant list, 2,2',4,4',5-tetrabromodiphenyl ether (BDE-99) and 2,2,4,4'-tetrabromodiphenyl ether (BDE-47), which have been detected in treated municipal wastewater, river water, and sediments in China. A lab-scale column experiment was established to investigate the effects of the competitive sorption of BDE-47 on BDE-99 biodegradation and migration in two types of river-based aquifer soils during groundwater recharge with reclaimed water...
May 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28511136/fate-of-pharmaceuticals-in-soil-after-application-of-stps-products-influence-of-physicochemical-properties-and-modelling-approach
#3
Xela García-Santiago, Juan M Garrido, Juan M Lema, Amaya Franco-Uría
Depurated effluents can be employed as reclaimed water for irrigation in regions with low precipitations, while nutrients-rich biosolids are usually applied as fertilizer for agricultural purposes. However, both practices may result in the accumulation of micropollutants in the soil compartment, the contamination of groundwater, and/or their biotransfer to different living organisms until they finally may reach human receptors. The fate and transport of seven pharmaceutical and personal care products (PPCPs) with different physicochemical properties was analysed for these scenarios employing two different models: the buckets model and the HYDRUS-1D software package...
May 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28500550/reclamation-of-heavy-metals-from-contaminated-soil-using-organic-acid-liquid-generated-from-food-waste-removal-of-cd-cu-and-zn-and-soil-fertility-improvement
#4
Shijin Dai, Yang Li, Tao Zhou, Youcai Zhao
Food waste fermentation generates complicated organic and acidic liquids with low pH. In this work, it was found that an organic acid liquid with pH 3.28 and volatile low-molecular-weight organic acid (VLMWOA) content of 5.2 g/L could be produced from food wastes after 9-day fermentation. When the liquid-to-solid ratio was 50:1, temperature was 40 °C, and contact time was 0.5-1 day, 92.9, 78.8, and 52.2% of the Cd, Cu, and Zn in the contaminated soil could be washed out using the fermented food waste liquid, respectively...
May 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28498124/treatment-and-potential-reuse-of-greywater-from-schools-a-pilot-study
#5
Abdalrahman D Alsulaili, Mohamed F Hamoda, Rawa Al-Jarallah, Duaij Alrukaibi
This study presented performance data on a low cost and easy maintenance pilot system for on-site treatment and reuse of water collected from wash sinks and fountains, as major sources of greywater (GW) at schools. Various treatment options were studied including screening, sand filtration, chlorination, and UV disinfection operated at different flow rates. Results showed that filtration operated at low rates is very effective in total suspended solids (TSS) removal, while UV proved to be more effective than chlorination for reduction of biochemical oxygen demand (BOD), chemical oxygen demand (COD), and total coliforms...
May 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28497296/preferential-flow-characteristics-of-reclaimed-mine-soils-in-a-surface-coal-mine-dump
#6
Lv Gang, Li Jun, Li Yexin, Wang Ting, Liu Yazhuo, Fu Xinyang
There are a large number of macropores/tubular channels of a few centimeters and plant roots in reclaimed dump soils, which are the main reasons for the formation of soil macropores and soil preferential flow. To systematically study the morphological characteristics and variation of soil preferential flow for different reclaimed vegetations in a dump, a dye-staining experiment and physical and chemical analysis were carried out to investigate the formation mechanism and influencing factors of soil preferential flow in the vegetation restoration process...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28488568/life-cycle-energy-analysis-of-reclaimed-water-reuse-projects-in-beijing
#7
Yupeng Fan Erhui Guo Yuanzheng Zhai Andrew C Chang Qi Qiao Peng Kang
To illustrate the benefits of water reuse project, the process-based life cycle analysis (LCA) could be combined with input-output life cycle analysis to evaluate the water reuse project. Energy is the only evaluation parameter used in this study. Life cycle assessment of all energy inputs (LCEA) is completed mainly by the life cycle inventory (LCI), taking into account the full life cycle including the construction, the operation, and the demolition phase of the project. Assessment of benefit from water reuse during the life cycle should focus on sewage discharge reduction and water-saving benefits...
May 1, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28452770/reclaimed-municipal-wastewater-for-forage-production
#8
Ben Said Ines, Mezghani Imed, Donyez Frikha, Chaieb Mohamed, Muscolo Adele
This study aims to evaluate the possibility of using reclaimed municipal wastewater for agricultural purpose. We assessed the validity of municipal wastewater treatment, analyzing its chemical characteristics before and after the biological stabilization by pond treatment (WSP). The reclaimed municipal treated wastewater (TWW) was used to irrigate Cenchrus ciliaris. Experiments were carried out in greenhouse, from July 2013 to July 2014, comparing the effects of TWW with the water normally used for irrigation (tap water, TW) on the growth and flowering parameters of C...
April 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28436692/rhizospheric-soil-enzyme-activities-and-phytominimg-potential-of-aeluropus-lagopoides-and-cyperus-conglomeratus-growing-in-contaminated-soils-at-the-banks-of-artificial-lake-of-reclaimed-wastewater
#9
Zahid Khorshid Abbas
This work investigates the phytoremediation potential of Aeluropus lagopoides and Cyperus conglomeratus, growing indigenously in the vicinity of artificial lake of reclaimed water in Tabuk, Saudi Arabia. The sampling sites were located at different distance from the waste water treatment plants. Trace metal contents were higher in roots than shoots in both these plants. Soil urease activity in rhizophere increased linearly along the sampling sites, however, soil alkaline phosphatase and β-glucosidase activities was greater at site 2 but were declined at site 3...
April 24, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28403898/health-risks-associated-with-the-pharmaceuticals-in-wastewater
#10
EDITORIAL
Nasser Nassiri Koopaei, Mohammad Abdollahi
The overwhelming population growth in recent decades and water crisis along with limited and uneven geographical distribution of fresh water resources is a growing challenge for the economic and human development. Wastewater reclamation and use could be an alternative for intact water sources and a promising solution to water scarcity and unequal distribution. However, wastewater is a double-edged resource both as an accessible water source for food production and human usage and concurrently may carry uncharacterized content with unknown toxicological profile causing acute or long-term health risks...
April 12, 2017: Daru: Journal of Faculty of Pharmacy, Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/28377928/quantitative-pcr-and-digital-pcr-for-detection-of-ascaris-lumbricoides-eggs-in-reclaimed-water
#11
Lucrecia Acosta Soto, Ana Belén Santísima-Trinidad, Fernando Jorge Bornay-Llinares, Marcos Martín González, José Antonio Pascual Valero, Margarita Ros Muñoz
The reuse of reclaimed water from wastewater depuration is a widespread and necessary practice in many areas around the world and must be accompanied by adequate and continuous quality control. Ascaris lumbricoides is one of the soil-transmitted helminths (STH) with risk for humans due to its high infectivity and an important determinant of transmission is the inadequacy of water supplies and sanitation. The World Health Organization (WHO) recommends a limit equal to or lower than one parasitic helminth egg per liter, to reuse reclaimed water for unrestricted irrigation...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28376426/higher-prevalence-of-coagulase-negative-staphylococci-carriage-among-reclaimed-water-spray-irrigators
#12
Rachel Rosenberg Goldstein, Lara Kleinfelter, Xin He, Shirley A Micallef, Ashish George, Shawn G Gibbs, Amy R Sapkota
Coagulase negative staphylococci (CoNS) are leading causes of nosocomial infections and community-acquired methicillin-resistant CoNS (MRCoNS) infections are increasing. CoNS have been previously detected in reclaimed water. To date, no studies have evaluated the prevalence of CoNS carriage among humans exposed to reclaimed water in the U.S. We examined the prevalence and odds of CoNS and antibiotic-resistant CoNS carriage in spray irrigators exposed to reclaimed water compared to controls. We collected nasal and dermal swab samples from 19 reclaimed water spray irrigation workers (n=96 total samples) and 24 controls (n=92 total samples)...
October 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28347961/a-self-sustaining-high-strength-wastewater-treatment-system-using-solar-bio-hybrid-power-generation
#13
Mauricio Bustamante, Wei Liao
This study focuses on system analysis of a self-sustaining high-strength wastewater treatment concept combining solar technologies, anaerobic digestion, and aerobic treatment to reclaim water. A solar bio-hybrid power generation unit was adopted to power the wastewater treatment. Concentrated solar power (CSP) and photovoltaics (PV) were combined with biogas energy from anaerobic digestion. Biogas is also used to store the extra energy generated by the hybrid power unit and ensure stable and continuous wastewater treatment...
June 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28319901/a-novel-microbial-fuel-cell-sensor-with-biocathode-sensing-element
#14
Yong Jiang, Peng Liang, Panpan Liu, Donglin Wang, Bo Miao, Xia Huang
The traditional microbial fuel cell (MFC) sensor with bioanode as sensing element delivers limited sensitivity to toxicity monitoring, restricted application to only anaerobic and organic rich water body, and increased potential fault warning to the combined shock of organic matter/toxicity. In this study, the biocathode for oxygen reduction reaction was employed for the first time as the sensing element in MFC sensor for toxicity monitoring. The results shown that the sensitivity of MFC sensor with biocathode sensing element (7...
March 2, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28285214/domestic-wastewaters-reuse-reclaimed-by-an-improved-horizontal-subsurface-flow-constructed-wetland-a-case-study-in-the-southeast-of-spain
#15
Pedro Andreo-Martínez, Nuria García-Martínez, Joaquín Quesada-Medina, Luis Almela
The aim of this case study was to assess the performance of a horizontal subsurface flow constructed wetland (HF-CW) located in southeastern Spain, filled with blast furnace slags (BFS), planted with Phragmites australis and designed to treat artificially aerated domestic wastewater to produce effluents suitable for agriculture reuse. The water quality parameters, included in the Spanish regulations for reclaimed wastewater reuse as agricultural quality 2.1, were monitored for one year. Data for all studied parameters, except electrical conductivity (EC) and sodium adsorption ratio (SAR), met the Spanish standards for reclaimed wastewater reuse due to the high evapotranspiration (ET) during the summer...
February 28, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28278768/effects-of-waste-glass-and-waste-foundry-sand-additions-on-reclaimed-tiles-containing-sewage-sludge-ash
#16
Deng-Fong Lin, Huan-Lin Luo, Kuo-Liang Lin, Zhe-Kun Liu
Applying sewage sludge ash (SSA) to produce reclaimed tiles is a promising recycling technology in resolving the increasing sludge wastes from wastewater treatment. However, performance of such reclaimed tiles is inferior to that of original ceramic tiles. Many researchers have therefore tried adding various industrial by-products to improve reclaimed tile properties. In this study, multiple materials including waste glass and waste foundry sand (WFS) were added in an attempt to improve physical and mechanical properties of reclaimed tiles with SSA...
March 3, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28262313/high-performance-liquid-chromatography-mass-spectrometry-analysis-of-the-parent-drugs-and-their-metabolites-in-extracts-from-cress-lepidium-sativum-grown-hydroponically-in-water-containing-four-non-steroidal-anti-inflammatory-drugs
#17
Lisa Emhofer, Markus Himmelsbach, Wolfgang Buchberger, Christian W Klampfl
In this paper the metabolism of four non-steroidal anti-inflammatory drugs, (ketoprofen, mefenamic acid, naproxen, and diclofenac) by cress (Lepidium sativum) is described. Cress was cultivated hydroponically in water spiked with the parent drugs at levels ranging from 0.01mgL(-1) to 1mgL(-1). Employing an approach based on the analysis of the plant extracts by HPLC coupled either with quadrupole-time-of-flight mass spectrometry, or Orbitrap MS or triple quadrupole (QqQ) MS allowed the identification of twenty substances (sixteen metabolites and four parent drugs)...
March 31, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28259015/fungus-hyphae-supported-alumina-an-efficient-and-reclaimable-adsorbent-for-fluoride-removal-from-water
#18
Weichun Yang, Shunqi Tian, Qiongzhi Tang, Liyuan Chai, Haiying Wang
A reclaimable adsorbent of fungus hyphae-supported alumina (FHSA) bio-nanocomposites was developed, characterized and applied in fluoride removal from water. This adsorbent can be fast assembled and disassemble reversibly, promising efficient reclamation and high accessible surface area for fluoride adsorption. Adsorption experiments demonstrate that the FHSA performed well over a considerable wide pH range of 3-10 with high fluoride removal efficiencies (>66.3%). The adsorption capacity was 105.60mgg(-1) for FHSA, much higher than that for the alumina nanoparticles (50...
June 15, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28236821/effects-of-reclaimed-water-on-the-characteristics-of-dimethyl-phthalate-adsorption-on-sediments
#19
Zigong Ning, Pengxiang Li, Shuang Zhou, Yunkai Li, Munehide Ishiguro, Wei Zhao, Meie Wang
  Adsorptions of Dimethyl Phthalate (DMP) on three sediments in both reclaimed and ultrapure water were studied using the batch technique and the effects of reclaimed water on it were clarified. The data were interpreted by using Freundlich and Dubinin-Radushkviech models. The values of 1/n were among 0.207 to 0.766, showing the presence of multiple adsorption sites on sediments. Compared with the ultrapure water as the background solution, the adsorption capacities of sediments for DMP were reduced in case of reclaimed water due to the competition of substances in reclaimed water...
March 1, 2017: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28226246/improvement-of-virus-removal-by-pilot-scale-coagulation-ultrafiltration-process-for-wastewater-reclamation-effect-of-optimization-of-ph-in-secondary-effluent
#20
S Lee, M Ihara, N Yamashita, H Tanaka
Reclaimed water (i.e., reused advanced-treated wastewater) offers an alternative water resource. To reduce the health risks associated with its use, efficient virus removal such as with advanced wastewater treatment processes is important. Virus removal by coagulation followed by ultrafiltration (UF) for the treatment of drinking water has been well examined. But its efficacy in wastewater reclamation purpose using secondary treated effluent (SE) from wastewater treatment plant (WWTP) as feed water is unclear...
May 1, 2017: Water Research
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