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*  Sewage sludge treatment - Wikipedia
Sludge is mostly water with lesser amounts of solid material removed from liquid sewage. Primary sludge includes settleable ... Reducing sludge volume may increase the concentration of some of these toxic chemicals in the sludge. "Biosolids" is a term ... for example environmental persistent pharmaceutical pollutants. Thickening is often the first step in a sludge treatment ... Sewage sludge treatment describes the processes used to manage and dispose of sewage sludge produced during sewage treatment. ...
  https://en.wikipedia.org/wiki/Sewage_sludge_treatment
*  Sewage sludge - Wikipedia
... raw primary sludge and secondary sludge, also known as activated sludge in the case of the activated sludge process. Sewage ... Biosolids is a term often used in conjunction with reuse of sewage solids after sewage sludge treatment. Biosolids can be ... Micro-pollutants can become concentrated in sewage sludge. Each of these disposal options comes with myriad potential - and in ... sludge to neutralize soil acidity concluded that the practice was not recommended if large amounts are used because the sludge ...
  https://en.wikipedia.org/wiki/Sewage_sludge
*  Clean Water Act - Wikipedia
Sludge also contains more than trace amounts of organic and inorganic chemicals. Benefits of reusing sewage sludge from use of ... Limits on sewage sludge quality allows treatment works that generate less contaminated pollutants and those that do not meet ... The term biosolids is used to differentiate treated sewage sludge that can be beneficially recycled. Environmental advantages ... generating more than 3,000 liters of sludge per million liters of wastewater that is treated. Primary sludge water content is ...
  https://en.m.wikipedia.org/wiki/Clean_Water_Act
*  Clean Water Act - Wikipedia
Sludge also contains more than trace amounts of organic and inorganic chemicals. Benefits of reusing sewage sludge from use of ... sludge) generated by POTWs. The Act instructed EPA to develop guidelines for usage and disposal of sewage sludge or biosolids. ... Limits on sewage sludge quality allows treatment works that generate less contaminated pollutants and those that do not meet ... generating more than 3,000 liters of sludge per million liters of wastewater that is treated. Primary sludge water content is ...
  https://en.wikipedia.org/wiki/Clean_Water_Act
*  Triclocarban - Wikipedia
Research shows that triclocarban and triclosan have been detected in sewage effluents and sludge (biosolids) due to their ... Discharge of effluent from these treatment plants and disposal of sludge on land is the primary route of environmental exposure ... Due to their hydrophobic nature, significant amounts of them in wastewater streams partition into sludge, with concentrations ... For this reason, chlorine is also a common component of persistent organic pollutants. Triclocarban is incompatible with strong ...
  https://en.wikipedia.org/wiki/Triclocarban
*  Odour Control Filtration Articles on Environmental XPRT
In 1998 the primary tank was bypassed in order to reduce organic micro-pollutants by aerobic treatment in the aeration basins. ... Biorem has successfully demonstrated its high rate odour control system for biosolids exhausts at Ashbridges Bay sewage ... This reduced the micro-pollutants but led to a bulky undigestible sludge and foaming due to Microthrix. The Microthrix problem ... Lengthy detention times and warm weather / climate leads to septic waste water producing copious amounts of not only hydrogen ...
  https://www.environmental-expert.com/articles/keyword-odour-control-filtration-85581
*  Land Application of Biosolids in the USA: A Review
... to distinguish treated sewage sludge from raw sewage sludge and facilitate land application of processed sewage sludge that ... In biosolids, the primary source of pathogens is human wastes. Pathogens are generally classified as primary (e.g., bacteria, ... and soil organisms from exposure to pollutants in biosolids via 14 different pathways for land-applied biosolids. Nine trace ... Table 1: Pollutant ceiling concentrations and cumulative loading amounts for biosolids (adapted from [6]) and mean ...
  https://www.hindawi.com/journals/aess/2012/201462/
*  Water Resources Art & Poetry Contest Themes
... sludge treatment. Primary and secondary treatments remove about 85% to 95% of pollutants from the wastewater before the treated ... Wastewater treatment plants, also called sewage treatment plants or water pollution control plants, remove most pollutants from ... The resulting material, known as biosolids, is then applied to land to improve vegetation or processed further as compost or ... Green roofs are more costly than conventional roofs but they are capable of absorbing and retaining large amounts of stormwater ...
  http://www.nyc.gov/html/dep/html/environmental_education/artpoetry_themes.shtml
*  Phosphorus cycle - Wikipedia
This results in increased amounts of phosphorus as pollutants in bodies of water resulting in eutrophication. Eutrophication ... The primary biological importance of phosphates is as a component of nucleotides, which serve as energy storage within cells ( ... Also, application of biosolids may increase available phosphorus in soil. In poorly drained soils or in areas where snowmelt ... Phosphates from fertilizers, sewage and detergents can cause pollution in lakes and streams. Overenrichment of phosphate in ...
  https://en.wikipedia.org/wiki/Phosphorus_cycle
*  ARCHIVED - Environment and Climate Change Canada - Acts & Regulations - Notice of Objection to Polybrominated Diphenyl Ethers...
209 is found at relatively large abundance in biosolids and sewage sludge (20-23) which are often land applied as a recycling ... product contains minor amounts of nonaBDE and traces of octaBDE congeners.. Several scientific peer reviewed articles have ... 209 is interesting and different from most other environmental pollutants I am aware of. BDE. -209 has a short half life in ... 5) and in some cases it is the primary PBDE. congener present in wildlife tissues (4,6). Furthermore, the levels measured in ...
  http://www.ec.gc.ca/lcpe-cepa/default.asp?lang=En&n=3C03783B-1
*  Advanced Monitoring and Control of Anaerobic Digestion in Bioreactor Landfills | IntechOpen
... by addition of large amounts of methanogenic microorganisms in the form of effluent and sludge from an anaerobic sewage ... Primary Sensory Data Processor (PSDP). The PSDP is responsible for analyzing the acquired data from the Local and Global ... However, it has been suggested that any measured beneficial effects associated with the addition of biosolids may be due to ... One of the main benefits of supplemental water addition is to dilute elevated concentrations of pollutants in leachate which ...
  https://www.intechopen.com/books/biodegradation-engineering-and-technology/advanced-monitoring-and-control-of-anaerobic-digestion-in-bioreactor-landfills/
*  ocean facts, information, pictures | Encyclopedia.com articles about ocean
Biosolids are composed of sewage sludge that has been properly treated and processed to make a nutrient-rich material that can ... OCEAN POLLUTANTS-SOURCES AND EFFECTS. Any number of human-made materials or excessive amounts of naturally occurring substances ... The two primary ways that these pellets enter the ocean are direct spills during cargo handling operations at ports or spills ... coast and was amended in 1988 to prohibit dumping industrial waste and sewage sludge into the ocean. As a result, the only ...
  http://encyclopedia.com/node/1211151
*  Glossary
Bio-solids The particulate matter, mainly organic, removed during sewage treatment (previously known as sewage sludge). ... Excessive amounts of nutrients can lead to degradation of water quality and the growth of excessive numbers of algae. Some ... Priority pollutants are generally divided into groups based on the laboratory procedure used to separate them from the sample ... Primary treatment A wastewater treatment method that uses settling, skimming, and chlorination to remove solids, floating ...
  https://www.epa.nsw.gov.au/licensing-and-regulation/licensing/environment-protection-licences/authorised-officers/glossary
*  US6471873B1 - Electrolytic process and apparatus for purifying contaminated aqueous solutions and method for using same to...
The solid material which settles out in this process is generally referred to as "primary sludge". ... C02F1/00-Treatment of water, waste water, or sewage * C02F1/46-Treatment of water, waste water, or sewage by electrochemical ... Review of pollutants removed by electrocoagulation and electrocoagulation/flotation processes. US5552051A (en) 1996-09-03. Site ... 3,933,606 to Harms, cannot achieve ammonia oxidation because of the presence of large amounts of organic material at the ...
  https://patents.google.com/patent/US6471873B1/en
*  Environmental fate of phenolic endocrine disruptors: field and laboratory studies | Philosophical Transactions of the Royal...
... and nonylphenol diethoxylates in sewage and sewage sludge treatment. Water Res. 22, 1465-1472. (doi:10.1016/0043-1354(88)90157- ... Small amounts of NIH-shift products have also been detected in cell extracts of other NP degrading strains (Corvini et al. 2004 ... 2006 Polar pollutants entry into the water cycle by municipal wastewater: a European perspective. Environ. Sci. Technol. 40, ... Primary biodegradation of NPnEO in WWTPs is quite efficient. However, overall biodegradation seems to be complicated by several ...
  http://rsta.royalsocietypublishing.org/content/367/1904/3941
*  Nutrient Pollution and Wastewater Treatment Systems - Oxford Research Encyclopedia of Environmental Science
... and treatment ponds can capture nutrients from agricultural lands or sewage treatment plant effluents. Nutrient trading ... WWTPs receive sewage from domestic, business, and industrial settings. With growing pollution concerns, nutrients removal and ... Sewage sludge is the by-product produced during wastewater processing. Sludge generated from primary treatment stage includes ... Toxic pollutants can also accumulate in the sewage sludge, which when used as fertilizer or as soil conditioner for land use ...
  http://environmentalscience.oxfordre.com/view/10.1093/acrefore/9780199389414.001.0001/acrefore-9780199389414-e-495?rskey=DX0jav&result=3
*  Class A sludge Biosolids Compost Studies
EPA and the states intent is to get rid of upwards of ten million tons of hazardous sludge biosolids with a minimum of ... Treatment Workers) exposed to industrial sewage that contained benzene, toluene, and other organic solvents at a primary sewage ... non-smokers a higher proportion of sewage treatment workers had increased amounts of FDP in urine. Their conclusion was that it ... Why would EPA consider that these five deadly pollutants will not cause cancer when disposed of in unlabeled Class A compost ...
  http://deadlydeceit.com/compost-studies.html
*  Secondary Water Treatment Articles on Environmental XPRT
In this study, several factors important for the design of a water supply treatment system for the removal of trace amounts of ... At one such plant it was decided to install a primary DAF followed by an anaerobicanoxic-aerobic treatment system for TSS, FOG ... Effect of Secondary Aerobic Digestion on Properties of Anaerobic Digested Biosolids ABSTRACTIn this study, the performance of ... Water treatment is a process for treating sewage or modern wastewater and converting it into more acceptable form for a ...
  https://www.environmental-expert.com/articles/keyword-secondary-water-treatment-71464
*  Glossary of environmental science - Wikipedia
biosolids - nutrient-rich organic materials derived from wastewater solids (sewage sludge) that have been stabilised through ... net primary production - the energy or biomass content of plant material that has accumulated in an ecosystem over a period of ... landfill gas - the gas emissions from biodegrading waste in landfill, including CO2, CH4, and small amounts of nitrogen, oxygen ... dioxin - any one of a number of chemical compounds that are persistent organic pollutants and are carcinogenic. distributed ...
  https://en.wikipedia.org/wiki/Glossary_of_environmental_science
*  Soil Ph News on Environmental XPRT
This study investigates the effects of sewage sludge and compost usage on soil chemical properties and Zea mays nutrition in ... The effects of biosolid application on soil chemical properties and Zea mays nutrition Background: The application of biosolid ... A recent study has shown that the differing amounts of cadmium and lead that can be dissolved in the human digestive system can ... Throughout the session we heard a variety of case studies and viewpoints, with the primary focus of the session being ...
  https://www.environmental-expert.com/news/keyword-soil-ph-3869
*  Um novo paradigma para a gestão de recursos hídricos
Of the 56 m3/s of sewage that is produced only 13.5 m3/s are treated. That means that 42.5 m3/s of raw sewage are continuously ... Effluents from conventional treatment systems, such as activated sludge, normally have total N content of 15mg/liter and total ... These problems were aggravated recently with the discovery of so-called "emergent pollutants" (endocrinal disruptors, active ... amounts to an annual N and P input of 300 and 60kg/ha, respectively. This injection of nutrients substantially reduces or even ...
  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-40142008000200009&lng=pt&nrm=iso&tlng=en
*  Environmental Science & Engineering Magazine (ESEMAG) November-December 2015 by Environmental Science and Engineering Magazine ...
Markland's Suspended Solids Density Meter offers real-time knowledge of primary, secondary and return-activated sludge/silt ... and larger from screened sewage. Sewage first began to flow through the system in late August 2014. Commissioning included ... Enormous amounts of non-recoverable time are spent by engineers and consultants trying to resolve it; and there are financial ... They absorb dangerous pollutants such as PCBs and polycyclic aromatic hydrocarbons that are already present in the marine ...
  https://issuu.com/esemag/docs/ese_nd.15_issuu
*  HOPE - Environmental Glossary by David Dilworth
Biosolids Sludge from sewage; sometimes called "humanure" (human-manure). Doublestink created by the Public Relations Industry. ... containing all the maximum legal amounts of each of the hundreds of regulated pollutants & chemicals. It is used to determine ... The primary cause of environmental destruction. "Poverty wants some things, luxury wants many things, avarice all things." - ... A derogatory term used mainly by DREGs, and sometimes unwittingly by public interest advocates, this term's primary value is to ...
  http://1hope.org/glossary.htm
*  http://ufdc.ufl.edu/UFE0043880/00001
... organiform and sewage sludge. Lower values of N recovery were obtained (from 15 to 29%) with ureaform, organiform, and sewage ... Biosolid. PAGE 102. 102 In 2009, CI was again higher from soluble than from Biosolid. There were also differences from SCUMIX ... Primary quick release sources are ammonium sulfate, ammonium nitrate and ure a. Ammonium sulfate (AS) is a white crystalline ... These products release N into the soil solution at rates or amounts that permit maximum uptake and use efficiency of applied ...
  http://ufdc.ufl.edu/UFE0043880/00001
*  NE 1001 Meeting Minutes 2004
pointed out NYS requires the testing of land applied sewage biosolids for priority pollutants. Is that the recommendation we ... E. Management Considerations Regarding Use of Sewage Sludges and Sludge Products. PowerPoint presentation for NE-1001 2004 ... B. Richards said the primary concerns with surface water are the presence of pathogens and/or nutrients. He discussed the idea ... Zn is extractable by Mehlich 3 but at amounts 100 to 1000 times the amount available to plants. Plant uptake of Zn is dominated ...
  http://cwmi.css.cornell.edu/NERA/2004minutes.htm