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Waste water management

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https://www.readbyqxmd.com/read/28432993/chemical-biological-and-dna-markers-for-tracing-slaughterhouse-effluent
#1
P J Harvey, M P Taylor, H K Handley, S Foster, M R Gillings, A J Asher
Agricultural practices, if not managed correctly, can have a negative impact on receiving environments via waste disposal and discharge. In this study, a chicken slaughter facility on the rural outskirts of Sydney, Australia, has been identified as a possible source of persistent effluent discharge into a peri-urban catchment. Questions surrounding the facility's environmental management practices go back more than four decades. Despite there having never been a definitive determination of the facility's impact on local stream water quality, the New South Wales Environment Protection Authority (NSW EPA) has implemented numerous pollution reduction requirements to manage noise and water pollution at the slaughter facility...
April 19, 2017: Environmental Research
https://www.readbyqxmd.com/read/28431338/the-design-and-fabrication-of-beta-sensor-system-for-in-situ-diffusion-tests-in-mudstone-in-france
#2
Zhenhua Lin, Olivier Tillement, Marie-Genevieve Blanchin, Vivek Jindal, Agnès Vinsot, Romain V H Dagnelie, Virginie Blin, Yanick Lettry, Benoit Hautefeuille
Long term in situ diffusion experiments in the Callovian-Oxfordian mudstone (France) are designed in the context of nuclear waste management. β-emitters HTO and (36)Cl radiotracers are representative of neutral and anionic species in these experiments. Studies have been carried out to design an in situ beta monitoring system in order to quantify tracer migration in the rock pore water over time. The development, design and calibration of β-emitter radiation sensors were performed. An optimised geometry was calculated for the detection chamber of (36)Cl in solution (Ø×L=30×2mm(2)) via Monte-Carlo N-Particle transport simulation tools...
April 1, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28424958/effectiveness-of-waste-prevention-program-in-primary-students-schools
#3
Antonis A Zorpas, Irene Voukkali, Pantelitsa Loizia
Even though reducing waste is at the top of the waste hierarchy, no real decoupling between waste generation and consumption has been demonstrated. Several waste directives had been published from EU, but they have only brought minor changes within the key objective of reducing waste generation. Most efforts have been targeted towards greater amounts of recycling and better management of waste disposal. While these are necessary and socially beneficial goals, they are not adequate for the achievement of long-term sustainability goals...
April 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28414913/lca-harmonization-and-soil-science-rankings-results-on-food-waste-management-methods
#4
Jeffrey Morris, Sally L Brown, Matthew Cotton, H Scott Matthews
This study reviewed 147 life cycle studies, with 28 found suitable for harmonizing food waste management methods' climate and energy impacts. 80 scientific soil productivity studies were assessed to rank management method soil benefits. Harmonized climate impacts per kilogram (kg) food waste range from -0.20 kg of carbon dioxide equivalents (CO2e) for anaerobic digestion (AD) to 0.38 kg CO2e for landfill gas-to-energy (LFGTE). Aerobic composting (AC) is -0.10 kg CO2e. In-sink grinding (ISG) via a food waste disposer and flushing for management with other sewerage at a wastewater treatment plant emits 0...
April 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28407003/assessment-of-the-implementation-of-community-led-total-sanitation-hygiene-and-associated-factors-in-diretiyara-district-eastern-ethiopia
#5
Roba Argaw Tessema
Based on the sustainable development goals, the United Nations plans to achieve equitable sanitation and hygiene for all and to end open defecation by 2030. In Ethiopia, 60% to 80% of health problems are due to communicable diseases attributable to unsafe water supply, unhygienic and unsanitary waste management, which are directly linked to the practice of open defecation. This study has aimed at assessing the implementation of community-led total sanitation and hygiene (CLTSH) and associated factors. A community-based cross-sectional study design involving 420 of the 7,225 households found in Diretiyara district was conducted in June 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28398534/filth-fly-activity-associated-with-composted-and-noncomposted-beef-cadavers-and-laboratory-studies-on-volatile-organic-compounds
#6
T R Dubie, J L Talley, J B Payne, A W Wayadande, J Dillwith, C Richards
Commercial livestock facilities are faced with the challenge of managing large amounts of waste including manure and animal mortalities. One method of disposing of dead animals is composting. The cadavers are enveloped in carbon material that creates a barrier between the dead tissue and the surrounding environment. Dead tissue can release materials that not only contaminate the soil but also the groundwater and nearby surface water. Animal cadaver composting is designed to facilitate decomposition without the aid of carrion-feeding insects and reduce the presence of common pathogens associated with animal waste and dead tissue...
April 8, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28390750/implementing-ecopharmacovigilance-epv-from-a-pharmacy-perspective-a-focus-on-non-steroidal-anti-inflammatory-drugs
#7
REVIEW
Jun Wang, Bingshu He, Dan Yan, Xiamin Hu
Environmental experts have made great efforts to control pharmaceutical pollution. However, the control of emerged environmental problems caused by medicines should draw more attention of pharmacy and pharmacovigilance researchers. Ecopharmacovigilance (EPV) as a kind of pharmacovigilance for the environment is recognized worldwide as crucial to minimize the environmental risk of pharmaceutical pollutants. But continuing to treat the pollution of pharmaceuticals as a group of substances instead of targeting individual pharmaceuticals on a prioritized basis will lead to a significant waste of resources...
April 5, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28386868/monitoring-for-a-specific-management-objective-protection-of-shorebird-foraging-habitat-adjacent-to-a-waste-water-treatment-plant
#8
Liz Morris, David Petch, David May, William K Steele
Intertidal invertebrates are often used in environmental monitoring programs as they are good indicators of water quality and an important food source for many species of fish and birds. We present data from a monitoring program where the primary aim is to report on the condition of the potential invertebrate prey abundance, biomass and diversity for migrating shorebirds on mudflats adjacent to a waste water treatment plant in a Ramsar listed wetland in Victoria, Australia. A key threat to the foraging habitat at this site has been assessed as a reduction in potential prey items as a result of the changes to the waste water treatment processes...
May 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28377801/current-best-practice-in-the-management-of-patients-after-pituitary-surgery
#9
REVIEW
Alessandro Prete, Salvatore Maria Corsello, Roberto Salvatori
Sellar and parasellar masses are a common finding, and most of them are treated surgically via transsphenoidal approach. This type of surgery has revolutionized the approach to several hypothalamic-pituitary diseases and is usually effective, and well-tolerated by the patient. However, given the complex anatomy and high density of glandular, neurological and vascular structures in a confined space, transsphenoidal surgery harbors a substantial risk of complications. Hypopituitarism is one of the most frequent sequelae, with central adrenal insufficiency being the deficit that requires a timely diagnosis and treatment...
March 2017: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28373560/contrasting-nitrogen-and-phosphorus-budgets-in-urban-watersheds-and-implications-for-managing-urban-water-pollution
#10
Sarah E Hobbie, Jacques C Finlay, Benjamin D Janke, Daniel A Nidzgorski, Dylan B Millet, Lawrence A Baker
Managing excess nutrients remains a major obstacle to improving ecosystem service benefits of urban waters. To inform more ecologically based landscape nutrient management, we compared watershed inputs, outputs, and retention for nitrogen (N) and phosphorus (P) in seven subwatersheds of the Mississippi River in St. Paul, Minnesota. Lawn fertilizer and pet waste dominated N and P inputs, respectively, underscoring the importance of household actions in influencing urban watershed nutrient budgets. Watersheds retained only 22% of net P inputs versus 80% of net N inputs (watershed area-weighted averages, where net inputs equal inputs minus biomass removal) despite relatively low P inputs...
April 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28359992/bioassays-for-toxicological-risk-assessment-of-landfill-leachate-a-review
#11
REVIEW
Pooja Ghosh, Indu Shekhar Thakur, Anubha Kaushik
Landfilling is the most common solid waste management practice. However, there exist a potential environmental risk to the surface and ground waters due to the possible leaching of contaminants from the landfill leachates. Current municipal solid waste landfill regulatory approaches consider physicochemical characterization of the leachate and do not assess their potential toxicity. However, assessment of toxic effects of the leachates using rapid, sensitive and cost-effective biological assays is more useful in assessing the risks as they measure the overall toxicity of the chemicals in the leachate...
March 27, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28342340/cellulose-decomposition-and-larval-biomass-production-from-the-co-digestion-of-dairy-manure-and-chicken-manure-by-mini-livestock-hermetia-illucens-l
#12
Kashif Ur Rehman, Minmin Cai, Xiaopeng Xiao, Longyu Zheng, Hui Wang, Abdul Aziz Soomro, Yusha Zhou, Wu Li, Ziniu Yu, Jibin Zhang
World trends toward the modern dairies intensification on large production units cause massive animal manure production and accumulation. Improper handling of manure produced by industrial farm operation greatly deteriorates the major environmental media including air, water and soil. The black soldier fly utilizes organic waste and converts it into larvae biomass to be used as livestock feed and into residues to be used as bio-fertilizer. However, due to the high ratio of cellulose, hemicellulose and lignin in dairy manure, this conversion is difficult...
March 22, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28336335/management-of-spent-shea-waste-an-instrumental-characterization-and-valorization-in-clay-bricks-construction
#13
A N Adazabra, G Viruthagiri, N Shanmugam
This work studies the reuse of spent shea waste as an economic construction material in improving fired clay bricks manufacture aside providing a novel approach to ecofriendly managing its excessive generated from the shea agroindustry. For this purpose, the influence of spent shea waste addition on the chemical, mineralogical, molecular bonding and technological properties (i.e. compressive strength and water absorption) of the fired clay bricks were extensively investigated. The results indicated that the chemical, mineralogical, phase transformations, molecular bonding and thermal behavior of the produced bricks were practically unaffected by the addition of spent shea waste...
March 20, 2017: Waste Management
https://www.readbyqxmd.com/read/28334283/the-microbiology-of-oil-sands-tailings-past-present-future
#14
Julia M Foght, Lisa M Gieg, Tariq Siddique
Surface mining of enormous oil sands deposits in northeastern Alberta, Canada since 1967 has contributed greatly to Canada's economy but has also received negative international attention due largely to environmental concerns and challenges. Not only have microbes profoundly affected the composition and behaviour of this petroleum resource over geological time, they currently influence the management of semi-solid tailings in oil sands tailing ponds (OSTP) and tailings reclamation. Historically, microbial impacts on OSTP were generally discounted but next-generation sequencing and biogeochemical studies have revealed unexpectedly diverse indigenous communities and expanded our fundamental understanding of anaerobic microbial functions...
March 9, 2017: FEMS Microbiology Ecology
https://www.readbyqxmd.com/read/28332819/path-to-impact-for-autonomous-field-deployable-chemical-sensors-a-case-study-of-in-situ-nitrite-sensors
#15
Tim M Schierenbeck, Matthew C Smith
Natural freshwater systems have been severely affected by excess loading of macronutrients (e.g., nitrogen and phosphorus) from fertilizers, fossil fuels, and human and livestock waste. In the USA, impacts to drinking water quality, biogeochemical cycles, and aquatic ecosystems are estimated to cost US$210 billion annually. Field-deployable nutrient sensors (FDS) offer potential to support research and resource management efforts by acquiring higher resolution data than are currently supported by expensive conventional sampling methods...
April 11, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28325591/global-scanning-of-antihistamines-in-the-environment-analysis-of-occurrence-and-hazards-in-aquatic-systems
#16
Lauren A Kristofco, Bryan W Brooks
Concentration of the global population is increasingly occurring in megacities and other developing regions, where access to medicines is increasing more rapidly than waste management systems are implemented. Because freshwater and coastal systems are influenced by wastewater effluent discharges of differential quality, exposures in aquatic systems must be considered. Here, we performed a global scanning assessment of antihistamines (AHs), a common class of medicines, in surface waters and effluents. Antihistamines were identified, literature occurrence and ecotoxicology data on AHs collated, therapeutic hazard values (THVs) calculated, and environmental exposure distributions (EEDs) of AHs compared to ecotoxicity thresholds and drug specific THVs to estimate hazards in surface waters and effluents...
March 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28316899/water-quality-assessment-in-the-german-river-of-the-years-2014-2015-how-a-case-study-on-the-impact-of-a-storm-water-sedimentation-basin-displayed-impairment-of-fish-health-in-the-argen-river-southern-germany
#17
Paul Thellmann, Bertram Kuch, Karl Wurm, Heinz-R Köhler, Rita Triebskorn
BACKGROUND: The present work investigates the impact of discharges from a storm water sedimentation basin (SSB) receiving runoff from a connected motorway in southern Germany. The study lasted for almost two years and was aimed at assessing the impact of the SSB on the fauna of the Argen River, which is a tributary of Lake Constance. Two sampling sites were examined up- and downstream of the SSB effluent. A combination of different diagnostic methods (fish embryo test with the zebrafish, histopathology, micronucleus test) was applied to investigate health impairment and genotoxic effects in indigenous fish as well as embryotoxic potentials in surface water and sediment samples of the Argen River, respectively, in samples of the SSB effluent...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28284129/biochar-produced-from-biosolids-using-a-single-mode-microwave-characterisation-and-its-potential-for-phosphorus-removal
#18
Elsa Antunes, James Schumann, Graham Brodie, Mohan V Jacob, Philip A Schneider
The amount of biosolids increases every year, and social and environmental concerns are also rising due to heavy metals and pathogen contamination. Even though biosolids are considered as a waste material, they could be used as a precursor in several applications, especially in agriculture due to the presence of essential nutrients. Microwave assisted pyrolysis (MWAP) is a promising technology to safely manage biosolids, while producing value-added products, such as biochar, that can be used to improve soil fertility...
March 8, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28279835/organic-wastes-as-soil-amendments-effects-assessment-towards-soil-invertebrates
#19
Mathieu Renaud, Sónia Chelinho, Paula Alvarenga, Clarisse Mourinha, Patrícia Palma, José Paulo Sousa, Tiago Natal-da-Luz
Using organic wastes, as soil amendments, is an important alternative to landfilling with benefits to soil structure, water retention, soil nutrient and organic matter concentrations. However, this practice should be monitored for its environmental risk due to the frequent presence, of noxious substances to soil organisms. To evaluate the potential of eight organic wastes with different origins, as soil amendments, reproduction tests with four soil invertebrate species (Folsomia candida, Enchytraeus crypticus, Hypoaspis aculeifer, Eisenia fetida) were performed using gradients of soil-waste mixtures...
February 1, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28275984/effects-of-human-induced-environmental-changes-on-benthic-macroinvertebrate-assemblages-of-wetlands-in-lake-tana-watershed-northwest-ethiopia
#20
Ayenew Gezie, Wassie Anteneh, Eshete Dejen, Seid Tiku Mereta
Wetlands of Lake Tana Watershed provide various ecological and socioeconomic functions. However, they are losing their vigor at alarming rate due to unwise management. Hence, there is an urgent need to monitor and assess these resources so as to identify the major drivers of its degradation and to provide information for management decisions. In this context, we aimed to assess the effects of human activities on macroinvertebrate assemblages of wetlands in Lake Tana Watershed. Biotic and abiotic data were collected from 46 sampling sites located in eight wetlands...
April 2017: Environmental Monitoring and Assessment
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