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*  Wastewater treatment - Wikipedia
The sewage sludge that is produced in sewage treatment plants undergoes sludge treatment. Larger municipalities often include ... Concentration of some less digestible compounds may be reduced by co-metabolism. Removal efficiency is limited by the minimum ... Disinfection by chemical oxidation kills bacteria and microbial pathogens by adding ozone, chlorine or hypochlorite to ... Carbon filtering removes remaining contaminants and impurities by chemical absorption onto activated carbon. Filtration through ...
  https://en.wikipedia.org/wiki/Wastewater_treatment
*  Dioxin Comments to EPA
Pollution Prevention/Sludge Quality - What are the sources that are responsible for concentrations of particular contaminants ... A Study of the Influence of Sewage Sludge Fertilization on the Concentrations of PCDD/F and PCB in Soil and Milk. Environmental ... To what chemicals and pathogens are people exposed from aerosols and volatile emissions from land applications and sludge ... that what is ingested is not straight sludge but a sludge soil mixture [the concentration of sludge vs. soil is not clear in ...
  http://cwmi.css.cornell.edu/Sludge/dioxincomments.html
*  Sludge accumulation in shallow maturation ponds treating UASB reactor effluent: results after 11 years of operation on...
Polishing ponds are natural systems used for the post-treatment of upflow anaerobic sludge blanket (UASB) effluents. They are ... Article Sludge accumulation in shallow maturation ponds treating UASB reactor effluent: results after 11 years of operation. ... nutrients and pathogens from sewage and to facilitate reuse. For an influent chemical oxygen demand (COD) concentration of 233 ... The Problem: Sewage treatment is the process of removing contaminants from wastewater, primarily from household sewage. It ...
  https://www.environmental-expert.com/articles/sludge-accumulation-in-shallow-maturation-ponds-treating-uasb-reactor-effluent-results-after-11-year-438311
*  Sewage Treatment Plant,Sewage Water Treatment Plant in Delhi
We are Manufacturer,Supplier,Exporter of Sewage Treatment Plant in Delhi. For more details about Sewage Water Treatment Plant ... The concentration of these pollutants and contaminants is reduced to a safe level set by Environment Agency, so that it can be ... Primary Sewage Treatment. In this settlement stage, organic solids sink to the bottom in the form of sludge. While, the fats ... There are many pathogens which can not be destroyed by the treatment process.. Protection:. Pre-Treatment. This step includes ...
  http://www.wieplwatertreatmentplants.com/sewage-water-treatment-plant-1981263.html
*  Water well - Wikipedia
Chemical contamination is a common problem with groundwater.[16] Nitrates from sewage, sewage sludge or fertilizer are a ... from the surface can easily reach shallow sources and contamination of the supply by pathogens or chemical contaminants needs ... When methane is introduced into a confined space, it displaces oxygen, reducing oxygen concentration to a level low enough to ... Common bacterial contaminants include E. coli, Salmonella, Shigella, and Campylobacter jejuni. Common viral contaminants ...
  https://en.wikipedia.org/wiki/Village_Pump
*  Soil contamination - Wikipedia
Treated sewage sludge, known in the industry as biosolids, has become controversial as a "fertilizer". As it is the byproduct ... Various national standards for concentrations of particular contaminants include the United States EPA Region 9 Preliminary ... Pests include insects, plant pathogens, weeds, mollusks, birds, mammals, fish, nematodes (roundworms) and microbes that compete ... In the European Union, the Urban Waste Water Treatment Directive allows sewage sludge to be sprayed onto land. The volume is ...
  https://en.wikipedia.org/wiki/Soil_contamination
*  Impacts of Climate Change on Indirect Human Exposure to Pathogens and Chemicals from Agriculture
... and accelerated breakdown of contaminants after deposition on agricultural land may reduce the concentrations of contaminants ... or sewage sludge (e.g., human pharmaceutical and heavy metals). ... Future risks of pathogens and chemicals could therefore be very ... Risks from many pathogens and particulate and particle-associated contaminants could increase significantly. These increases in ... The risks of many pathogens and particulate and particle-associate contaminants to human health could therefore increase ...
  http://pubmedcentralcanada.ca/pmcc/articles/PMC2679592/?lang=en-ca
*  Phosphorus Platform - ESPP eNews no. 15 - September 2017
... summarising information today available especially concerning antibiotics and pathogens in manures and sewage sludge, has ... organic contaminants and pathogens and criteria for phosphorus solubility. The ChemRRV refers to the Fertilizer Regulation ( ... The highest concentrations were found in chicken and pig manure (c. 8 000 µg/kg individual antibiotic substance). Antibiotic ... in 2017 the amended German sewage sludge ordinance will be adopted, making phosphorus recovery mandatory from sewage sludge and ...
  http://www.phosphorusplatform.eu/scope-in-print/news/1540-enews15
*  DownWithTyranny!: Earth Day report: Man goes for swim in Gowanus Canal, lives to tell tale (so far)
... that particular bacterium is believed to have a strong correlation with the concentration of other pathogens in a body of water ... It had rained the previous day, and I wondered how much raw sewage had been freshly discharged into the waterway.. We waited ... It was only in 2008 that Haque conducted a study revealing the white clouds of "biofilm" that float just above the sludge at ... will have totally different levels of contaminants, microbes, radioactive materials, or carcinogenic materials. I took a sample ...
  http://downwithtyranny.blogspot.com/2015/04/earth-day-report-man-goes-for-swim-in.html
*  Milorganite - Wikipedia
... sewage sludge is produced. This sewage sludge is heat-dried to remove pathogens. The resulting treated sewage sludge (also ... Contaminants from pharmaceuticals and personal care products and some steroids and hormones may also be present in biosolids. ... which establishes the strictest concentration limits in the fertilizer industry for heavy metals, allowing Milorganite to be ... "ISCORS Assessment of Radioactivity in Sewage Sludge: Recommendations on Management of Radioactive Materials in Sewage Sludge ...
  https://en.wikipedia.org/wiki/Milorganite
*  Groundwater pollution - Wikipedia
Along with pathogens and nutrients, untreated sewage can also have an important load of heavy metals that may seep into the ... Spreading wastewater or sewage sludge in agriculture may also be included as sources of faecal contamination in groundwater. ... and propane concentrations than normal. An evaluation of higher Helium and other noble gas concentration along with the rise of ... This contaminants can be important locally but they are not as widespread as arsenic and fluoride. Groundwater pollution with ...
  https://en.wikipedia.org/wiki/Groundwater_pollution
*  Air Microbial Articles on Environmental XPRT
Control of Aerosol Contaminants in Indoor Air: Combining the Particle Concentration Reduction with Microbial Inactivation ... The levels of indicators were determined throughout the air-drying and storage phases of anaerobically digested sewage sludge. ... process was investigated by examining pathogens, microbial community and particle counts, with emphasis on the BAC effluent. ... To assess microbial safety of treated sewage sludge (biosolids), we examined the inactivation of microbial indicators for ...
  https://www.environmental-expert.com/articles/keyword-air-microbial-38987
*  Frontiers | Heavy metal driven co-selection of antibiotic resistance in soil and water bodies impacted by agriculture and...
If those metals reach the environment and accumulate to selective concentrations they can trigger co-selection of antibiotic ... If those metals reach the environment and accumulate to selective concentrations they can trigger co-selection of antibiotic ... risk of metal driven co-selection of antibiotic resistance in the environment was assessed based on heavy metal concentrations ... risk of metal driven co-selection of antibiotic resistance in the environment was assessed based on heavy metal concentrations ...
  https://www.frontiersin.org/articles/10.3389/fmicb.2012.00399/full
*  Organic Foods: Health and Environmental Advantages and Disadvantages | From the American Academy of Pediatrics | Pediatrics
Genetic engineering, ionizing radiation, and sewage sludge is prohibited. Soil fertility and nutrient content is managed ... Estradiol concentrations in milk ranged from 0.4 to 1.1 pg/mL, and estrone concentrations ranged from 2.9 to 7.9 pg/mL, with ... It examines the evidence available on nutritional quality and production contaminants in conventionally produced and organic ... and has been repeatedly associated with outbreaks of disease caused by these pathogens. The American Academy of Pediatrics, US ...
  http://pediatrics.aappublications.org/content/130/5/e1406
*  Water | Free Full-Text | Pharmaceuticals in the Built and Natural Water Environment of the United States | HTML
... and they remain detectable in finished drinking water at concentrations in the ng/L to μg/L range. The greatest promises for ... At the same time, the number and concentrations of new and existing pharmaceuticals in the water environment are destined to ... Clarke, B.O.; Porter, N.A. Persistent organic pollutants in sewage sludge: Levels, sources, and trends. In Contaminants of ... Raw WW is conveyed to WWTPs whose primary goal is the removal of pathogens, turbidity, odor, color, Biological Oxygen Demand ( ...
  http://www.mdpi.com/2073-4441/5/3/1346/htm
*  Biosolids Battle Blog: 02/11/17
... obvious that application of sewage sludge/biosolids on the land is not the answer to dispose of these toxins and pathogens. ... will affect the degree of ocean protection from the contaminants in the sludge. The sludge is simply settled out in secondary ... This includes concentrations below levels of concern and the toxicity effect is larger than the sum of the components. Although ... It represents a relatively inexpensive way to dispose of the sewage biosolids. Sewage sludge treated in an anaerobic digester ...
  http://biosolidsbattleblog.blogspot.com/2017_02_11_archive.html
*  Changes in chemical and physical properties of stream water across an urban-rural gradient in western Georgia on Environmental...
... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ... understanding the epidemiology of waterborne pathogens is crucial to build surveillance systems. The purpose of this study was ...
  https://www.environmental-expert.com/articles/changes-in-chemical-and-physical-properties-of-stream-water-across-an-urban-rural-gradient-in-wester-5471
*  Evaluation of a BWTK for detection of total coliforms, |italic|E. coli|/italic| and emerging pathogens from drinking water:...
... and emerging pathogens from drinking water: comparison with standard MPN method. A defined substrate method media in ... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ...
  https://www.environmental-expert.com/articles/evaluation-of-a-bwtk-for-detection-of-total-coliforms-italic-e-coli-italic-and-emerging-pathogens-fr-188659
*  Applicability of domestic grey water reuse for alleviation of water crisis in Dhaka City on Environmental XPRT
... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ... understanding the epidemiology of waterborne pathogens is crucial to build surveillance systems. The purpose of this study was ...
  https://www.environmental-expert.com/articles/applicability-of-domestic-grey-water-reuse-for-alleviation-of-water-crisis-in-dhaka-city-329258
*  UV disinfection of wastewater flocs: the effect of secondary treatment conditions on Environmental XPRT
Activated sludge flocs that are carried to the final effluent can significantly decrease the effectiveness of ultraviolet (UV) ... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ...
  https://www.environmental-expert.com/articles/uv-disinfection-of-wastewater-flocs-the-effect-of-secondary-treatment-conditions-380104
*  A concept for planning and management of on-site and centralised municipal wastewater treatment systems, a case study in...
... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ... understanding the epidemiology of waterborne pathogens is crucial to build surveillance systems. The purpose of this study was ...
  https://www.environmental-expert.com/articles/a-concept-for-planning-and-management-of-on-site-and-centralised-municipal-wastewater-treatment-syst-372064
*  Evolution of a new surface water quality index for Karoon catchment in Iran on Environmental XPRT
... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ... understanding the epidemiology of waterborne pathogens is crucial to build surveillance systems. The purpose of this study was ...
  https://www.environmental-expert.com/articles/evolution-of-a-new-surface-water-quality-index-for-karoon-catchment-in-iran-305128
*  Are microbial indicators and pathogens correlated? A statistical analysis of 40 years of research on Environmental XPRT
Article Are microbial indicators and pathogens correlated? A statistical analysis of 40 years of research. Indicator organisms ... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ...
  https://www.environmental-expert.com/articles/are-microbial-indicators-and-pathogens-correlated-a-statistical-analysis-of-40-years-of-research-241550
*  Drinking water quality and source reliability in rural Ashanti region, Ghana on Environmental XPRT
... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ... understanding the epidemiology of waterborne pathogens is crucial to build surveillance systems. The purpose of this study was ...
  https://www.environmental-expert.com/articles/drinking-water-quality-and-source-reliability-in-rural-ashanti-region-ghana-357573
*  An investigation on physical, chemical, and bacteriological quality of municipally supplied and well waters of the towns and...
... activated sludge). Before the efficiency tests of the coagulants, viral concentration methods were compared. Coagulation tests ... In the present study, nine coagulants having potential to be used for sewage treatment were compared to assess their efficiency ... Raw water resources in Kafr El-Sheikh Governorate are affected by many contaminants particularly during the winter season and ... understanding the epidemiology of waterborne pathogens is crucial to build surveillance systems. The purpose of this study was ...
  https://www.environmental-expert.com/articles/an-investigation-on-physical-chemical-and-bacteriological-quality-of-municipally-supplied-and-well-w-59594