selenium removal scale

Selenium Removal from Refinery Wastewater - UOP …

Refinery Pilot Scale Selenium Removal Effluent Se Below Customer Target Influent Effluent Se Limit 0 5 10 15 20 25 30 35 40 45 50 Days of Operation Power Failure High Nitrate Feed February 2016 Page 12 Using Immobilized ...

CiNii - Biotreatment of Selenium Refinery …

Pilot-scale selenium bioremediation of San Joaquin drainage water with Thauera selenatis CANTAFIO A. W. Appl. Environ. Microbiol 62, 3298-3303, 1996 7 7 Selenate removal in methanogenic and sulfate-reducing ...

Laboratory-scale continuous reactor for soluble …

2002/12/30· Laboratory-scale continuous reactor for soluble selenium removal using selenate-reducing bacterium, Bacillus sp. SF-1. Fujita M(1), Ike M, Kashiwa M, Hashimoto R, Soda S. Author information: (1)Department of Environmental

New Smopex® Ion Exchange Materials for the Removal …

Selenium is a non-metal, trace element with crucial roles in animal and plant biology, although it becomes highly toxic at relatively low levels. The European Union suggests a maximum Se concentration of 10 μg l –1 in drinking water while the guideline in USA was set at 50 μg l –1 ().).

Laboratory-scale bioreactors for soluble selenium …

2011/09/15· Laboratory-scale bioreactors for soluble selenium removal from selenium refinery wastewater using anaerobic sludge Author links open overlay panel Satoshi Soda a Masami Kashiwa a Tsubasa Kagami a Masashi Kuroda a Mitsuo Yamashita b …

A Pilot-scale Continuous Feeding Test For Treating Selenium ...

2017/08/02· A Pilot-scale Continuous Feeding Test For Treating Selenium-Polluted Water By Recycled Green Rust/Ferrite Process Hiroshi HAYASHI, Hitoshi TAKEUCHI, ...

Laboratory-scale bioreactors for soluble selenium removal ...

Laboratory-scale bioreactors for soluble selenium removal from selenium refinery wastewater using anaerobic sludge Author links open overlay panel Satoshi Soda a Masami Kashiwa a Tsubasa Kagami a Masashi Kuroda a …

Selenium Removal - APTwater

Selenium Removal ARoSel: Selenate → Se(0) solids – Targeting Selenium, naturally occurring and from flue gas desulfurization, oil production and refining (In Development).

SELENIUM REMOVAL FROM AGRICULTURAL ...

SELENIUM REMOVAL FROM AGRICULTURAL DRAINAGE WATER: LAB SCALE STUDIES Department of Water Resources Sacramento, CA 94236 Agreement Number: 4600001985 Final Report December 2004 Submitted

Removing Selenium and Nitrate using Saturated Rock …

Full Scale Trial Results – Selenium removal 25 Concept ID Preliminary lab studies, field studies or modeling Detailed lab/ field studies or modeling Pilot studies Implement as permitted technology Influent Effluent R&D stage 3 3 ...

REMOVAL OF SELENIUM FROM REFINERY ...

AM-16-74 Page 5 Figure 1. Removal of Selenium from Refinery Wastewater in the XCeed Bioreactor Nitrate Removal The pilot test nitrate profile is shown in figure 2. Nitrate concentrations varied in the influent, with a large influent

Laboratory-scale bioreactors for soluble selenium removal ...

TY - JOUR T1 - Laboratory-scale bioreactors for soluble selenium removal from selenium refinery wastewater using anaerobic sludge AU - Soda, Satoshi AU - Kashiwa, Masami AU - Kagami, Tsubasa AU - Kuroda, Masashi AU

Selenium Removal From Ground Water Using Activated …

----- Pilot-scale testing is necessary to successfully model a full-scale selenium removal facility. Since a number of factors (SO^2", HCO3", pH) affect the removal of Se(IV) and Se(VI), the general water quality of the source

Solving the selenium problem - CIM

2016/11/04· Selenium removal technology Achieving these new levels is easier said than done. Selenium is a slippery, multi-headed problem for mining. For starters, any technology has to treat large volumes of water to remove tiny traces of

Laboratory‐scale continuous reactor for soluble selenium ...

Laboratory‐scale continuous reactor for soluble selenium removal using selenate‐reducing bacterium, Bacillus sp. SF‐1 Masanori Fujita Department of Environmental Engineering, Osaka University, 2‐1 Yamada‐oka, Osaka 565‐0871, Japan

SELENIUM REMOVAL IN NUTRIENT-AMENDED …

Clemson University TigerPrints All Theses Theses 8-2012 SELENIUM REMOVAL IN NUTRIENT-AMENDED PILOT-SCALE CONSTRUCTED WETLAND TREATMENT SYSTEMS Peter Van heest Clemson University, [email protected]

NAMC White Paper Report Addendum - CLU-IN

demonstrated at full-scale to remove selenium to less than 5 µg/L, or have been in full-scale operation for sufficient time to determine the long-term feasibility of the selenium removal technology. A 2,800 gpm full scale biological

Selenium Removal from Scrubber Water

Selenium Removal from Scrubber Water VSEP RO membrane treatment for water reuse Flue Gas Scrubber When coal is burned to make energy, a flue gas is produced that must be exhausted. This flue gas contains Sulfur

OG Title - Centers for Disease Control and Prevention

2018/03/28· A mixed bacterial culture has been removing up to 96 pct of the selenium from agricultural drainage waters in a small-scale, continuous, plug-flow reactor for 1 yr; selenium removal is correlated to changes in the bacterial cultures

Final Report | Development and Demonstration of a …

2020/05/10· Final Report: Development and Demonstration of a Bench-Scale Prototype for the Effective Removal of Selenium in Wastewater EPA Contract Number: 68D98150 Title: Development and Demonstration of a Bench-Scale Prototype for the Effective Removal of Selenium in Wastewater ...

Selenium Removal Technologies A Review - Water Online

2016/01/15· Selenium Removal Technologies: A Review By Mark Reinsel, Apex Engineering Selenium has emerged as a water treatment contaminant of concern in industries such as mining, oil refining, and power generation.

EBR for Selenium Removal - INOTEC

Coal Mining: EBR Selenium Removal Case Studies Four wastewaters, obtained from four different British Columbia (B.C.) coal mine drainages (Waters A through D), were treated using bench-scale EBRs. Total Se concentrations of the waters ranged from 35 to 531 μg/L. Discharge targets for the mine operations range from 5-10 μg/L.

73rd Annual International Water Conference

73rd Annual International Water Conference San Antonio, Texas, USA 4-8 November 2012 Volume 1 of 2 Printed from e-media with permission by: Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 Some format ...

Selenium Removal : BQE Water

Our Selen-IX mobile pilot plant provides on-site field testing to demonstrates selenium removal from mine impacted waters to comply with discharge requirements and to provide the preliminary design criteria required for scale-up

Electro-Biochemical Reactor (EBR) Technology for ...

1 ELECTRO-BIOCHEMICAL REACTOR (EBR) TECHNOLOGY FOR SELENIUM REMOVAL FROM BRITISH COLUMBIA'S COAL-MINING WASTEWATERS Aleksandra Opara, INOTEC INC., Salt Lake City, UT, USA Michael J

Laboratory-scale bioreactors for soluble selenium …

2011/09/15· Laboratory-scale bioreactors were constructed to investigate their applicability for recovery of soluble selenium from industrial wastewater. Microbial reduction of soluble selenium into elemental selenium is the key reaction because, as a result of its insoluble characteristics, it can be removed easily from the aqueous phase. …

(PDF) REMOVAL OF SELENIUM FROM FGD SCRUBBER ...

2001/01/01· REMOVAL OF SELENIUM FROM FGD SCRUBBER PURGE WATER Frank J. Castaldi, Gregory P. Behrens, and Oliver W. Hargrove, Jr. URS Corporation P.O. Box 201088 Austin, TX 78720-1088 ABSTRACT The ferrous ion ...

FINAL-NAMC-SWG Removal Technologies

technologies that have been demonstrated at full-scale to remove selenium to less than 5 μg/L, or have been in full-scale operation for sufficient time to determine the long-term feasibility of the selenium removal technology.

Selenoxide elimination - Wikipedia

Selenoxide elimination (also called α-selenation) is a method for the chemical synthesis of alkenes from selenoxides. It is most commonly used to synthesize α,β-unsaturated carbonyl compounds from the corresponding saturated analogues.

(PDF) Optimization of ABMet Biological Selenium …

2016/01/01· Selenium-oxyanion-containing wastewater, with levels of selenite as high as 3690 μg Se/l and very low levels of selenate, was treated in a laboratory-scale biological reactor system inoculated ...