Bench-scale testing of sorbent additives for trace metal capture and retention

Cover of: Bench-scale testing of sorbent additives for trace metal capture and retention |

Published by U.S. Environmental Protection Agency in [Washington, D.C.? .

Written in English

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Subjects:

  • Sorbents -- Testing,
  • Metals -- Absorption and adsorption -- Testing

Edition Notes

Book details

Other titlesBench scale testing of sorbent additives for trace metal capture and retention.
StatementShyam Venkatesh, Gregory J. Carroll, and Larry R. Waterland.
ContributionsCarroll, Gregory J., Waterland, L. R. 1948-, United States. Environmental Protection Agency.
The Physical Object
FormatMicroform
Pagination15 p.
Number of Pages15
ID Numbers
Open LibraryOL17011454M
OCLC/WorldCa33200047

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Get this from a library. Bench-scale testing of sorbent additives for trace metal capture and retention. [Shyam Venkatesh; Gregory J Carroll; L R Waterland; United. The objectives of this project are to identify and demonstrate methods for enhancing long-term chemical reactivity and attrition resistance of zinc oxide-based mixed metal-oxide sorbents for desulfurization of hot coal-derived gases in a high-temperature, high-pressure (HTHP) fluidized-bed reactor.

Specific objectives of this study are the following: {sm_bullet} Investigating various Cited by: 3. The paper presents a two-step analysis of the impact of three sorbents (ammonium sulphate, kaolinite and halloysite) in three dosages (2, 4 and 8 wt%) on heavy metal(-oid)s retention in the bottom ash.

12 heavy metal(-oid)s were taken into consideration - Cited by: 2. Trace metal capture by various sorbents during fluidized bed coal combustion Results indicated that metal capture by sorbent can be as high as 96%, depending on the metal species and sorbent. Preliminary evaluation and bench-scale testing of natural and synthetic CaO-based sorbents for post combustion CO 2 capture via carbonate looping Z.

Skoufa, A. Antzara, E. Heracleous, A. Lemonidou Lab. of Petrochemical Technology, Chemical Engineering Department, AUTH Chemical Processes & Energy Resources Institute- CPERI/CERTH.

These bench scale tests served to screen sorbents, to determine the nature of the reaction product containing the metal, to determine mechanisms, and to suggest the subsequent laboratory combustor tests. Test Equipment RTI’s Bench-scale Solid Sorbent CO 2 Capture Prototype System Flue gas throughput: and SLPM Solids circulation rate: 75 to kg/h Sorbent inventory: ~75 kg of sorbent Cl di i Currently conducting prototype testing to evaluate sorbent performance and.

Certification Test Acceptance Criteria Calibration Drift Test 15 minutes Relative Accuracy* *CEMS and Sorbent Trap Systems. Title Dry solid sorbent CO 2 capture project of 10 MWe scale Goal To operate and optimize 10 MWe pilot plant by dry solid sorbent to decrease 20% energy penalty and 20% capital cost Period ~ May.

Objectives To demonstrate the feasibility of dry CO 2 capture technology To optimize the 10MWe-scale CO 2 capture process Anticipated Outcomes.

In bench scale testing of activated Additives as Sorbents for Hazardous Trace Metal Capture and Immobilization in Incineration Processes they facilitate retention of the trace metals in. The present study aimed to rank low cost mercury sorbents (char and activated carbon from the pyrolysis of scrap tire rubber and two coal fly ashes from UK power plants) against Norit Darco Hg TM for mercury retention by using a novel bench-scale reactor.

In this scheme, a fixed sorbent bed was tested for mercury capture efficiency from a. @article{osti_, title = {Bench Scale Development and Testing of Aerogel Sorbents for CO2 Capture Final Technical Report}, author = {Begag, Redouane}, abstractNote = {The primary objective of this project was scaling up and evaluating a novel Amine Functionalized Aerogel (AFA) sorbent in a bench scale fluidized bed reactor.

The project team (Aspen Aerogels, University of Akron, ADA-ES. If a person has contact with a metal object for a sufficient amount of time, metal ions may transfer from the object to the skin (or clothing). These ions will react with the Trace Metal Detection (TMDT) solution and fluoresce under ultraviolet (UV) light.

A “shrinking core” heat transfer model of the sorbent on the TGA pan was also consistent with the observed reaction rate. Heat transfer calculations based on bench-scale fluid-bed data showed that temperature difference between the gas and the solid is the driving force.

The inferred heat transfer coefficient was applied to a conventional. Trace metal analysis identifies and quantifies very small amounts of metals and heavy metals in a sample. Although having some trace metals in our diet is essential for our well-being, many metals can be toxic and can negatively impact human, animal and plant health, as well the environment.

The objective of this test program was to evaluate the candidate sorbents with respect to: the degree to which they facilitate retention of the trace metals in the sorbent - the degree to which they retain trace metals in the sorbent when subjected to TCLP extraction.

Bench-scale tests were conducted in the IRF's thermal treatability unit (TTU). capture reactions by solid sorbents [4,]. This methodology has been used to screen different classes of solid com- pounds and has as major objective identification of the optimum candidate materials that can be further sub- jected to experimental testing.

The advantage of this pro- posed method is that it allows identification of the ther. ICP-AES analysis (Inductively Coupled Plasma - Atomic Emission Spectroscopy) provides analysis of metals down to trace levels.

We can provide trace element analysis results as low as 50 ppm depending on your material, sample size and elements requested. ICP analysis can work with smaller samples due to the fact acid digestion is required. A Bench Scale Testing of Sorbent Additives for Trace Metal Capture and Retention R Benchmark Dose Software (BMDS) User Guide Version (BETA) D Benchmark Dose Software (BMDS) Version User’s Manual Version Draft.

DOEMC/ -- (DE) Task - Effectiveness of Sorbents for Trace Elements Semi-Annual Report January 1 - J RFCEIVED bllr, 1 2 OSTl By: Brian C. Young Mark A. Musich Work Performed Under Contract No.: DE-FCMC Design and Testing of Biomimetic Sorbents for CO 2 Capture Jiajun He1, Erik C.

Rupp1, J. Brannon Gary2, John To3, T. Daniel P. Stack2, Zhenan Bao3, Jennifer Wilcox1 Departments of 1Energy Resources Engineering, 2Chemistry, 3Chemical Engineering, Stanford University OBJECTIVES.

To design and testing sorbents for CO 2 capture with both. The present study evaluated sorbent amendments for in situ remediation of sediments contaminated with two divalent metals. A literature review screening was performed to identify low‐cost natural mineral‐based metal sorbents and high‐performance commercial sorbents that were carried forward into laboratory experiments.

Pavlish JH, Holmes MJ, Zhuang Y. Pilot-scale testing of sorbent injection and fuel additives for mercury control. Presented at the Combined Power Plant Air Pollutant Control Mega Symposium, Washington, DC, August September 2, CR () not available: Presentation: Pavlish JH.

Overview of mercury regulations and control. Environment Canada Sorbent Performance Test Program, using ASTM Standard Method of Testing Sorbent Performance of Adsorbents (F). This protocol is based, in part, upon test methods listed in the Canadian General Standards Board Method for Testing Sorbents (CAN/CGSB), and internal standards initially.

Trace metals found in food and water can be nutritionally beneficial, or highly toxic depending on the type of metal and its concentration. These metals, while naturally present in most foods, may also be added to certain foods as a means of improving diet in regions where dietary intake of certain essential elements may be insufficient.

@article{osti_, title = {Novel Sorbent-Based Process for High Temperature Trace Metal Removal}, author = {Alptekin, Gokhan}, abstractNote = {The objective of this project was to demonstrate the efficacy of a novel sorbent can effectively remove trace metal contaminants (Hg, As, Se and Cd) from actual coal-derived synthesis gas streams at high temperature (above the dew point of the gas).

"Bench-Scale Testing of Sorbent Additives for Trace Metal Capture and Retention," Venkatesh, S., D.J. Fournier, Jr., G.J. Carroll, and L.R. Waterland, presented at the Incineration Conference, Bellevue, Washington, May Green process design will be of utmost importance to SGS experts throughout your testing program.

SGS’s integrated depth and breadth of technical services means that your bench-scale testing is carried out efficiently, reporting milestones are created and met and informed decisions can be.

Why Choose Eurofins BioPharma Product Testing. We have more than 20 years of experience developing and executing methods for trace metals analysis, using modern quantitative technology for pharmaceuticals.

Our Metals Team has the expertise to troubleshoot complex sample matrices and method challenges. Widespread increases of trace metals including Cd, Hg, and Pb have been estimated to be on the order of 10–15% since the turn of the century in agricultural soils in Europe (McBride, ).

Globally World soils have been seriously polluted by Pb and Cd and slightly by Zn (Han et al., ). The industrial age anthropogenic Pb, Hg and Cd.

Heavy metal testing is usually performed on a blood sample obtained by inserting a needle into a vein in the arm or on a hour urine collection. Special metal-free blood or acid-washed urine containers are used to collect the sample to lower the risk of sample contamination by any outside sources of metal.

ii ABSTRACT Coal-fired power plants produce 40 % of the total electricity in the United States. The flue gas generated from burning coal contains air pollutants including sulfur o. Final Report: Optimization of In-Situ Capture by Sorbents of Toxic Metals in Combustion Processes EPA Grant Number: R Title: Optimization of In-Situ Capture by Sorbents of Toxic Metals in Combustion Processes Investigators: Wendt, Jost O.L.

Institution: University of Arizona EPA Project Officer: Hahn, Intaek Project Period: October 1, through Septem Novel Sorbent Achieves 90 Percent Carbon Capture in DOE-Sponsored Test.

Washington, DC - The successful bench-scale test of a novel carbon dioxide (CO 2) capturing sorbent promises to further advance the process as a possible technological option for reducing CO 2 emissions from coal-fired power plants.

The new sorbent, BrightBlack, was originally developed for a different application by. equipment using commercial sorbents. A bench scale test bed was developed at KSC for evaluating candidate commercial sorbents for the removal of gas phase PDMS using environmental conditions found on ISS (i.e., RH 40% and 23 ºC).

The test bed consists of four subsystems: 1) a Kin-Tek gas generator to supply a humid gas stream with the desired. In Phase II, larger quantities of the sorbent will be produced and tested in a larger bench-scale CO2 capture evaluation facility.

The main result of the proposed project will be novel sorbent materials and technology for the cost-effective removal of CO2 from existing coal-fired power plant flue gas.

Therefore, bench-scale efforts to study process parameters and sorbent types for mercury control in coal-fired flue gas are needed to develop effective and economic mercury capture technology. In addition, improvement of mercury control using existing technologies for S02 and fine PM control would appear to be prudent.

A laboratory-scale packed-bed reactor system is used to screen sorbents for their capability to remove elemental mercury from various carrier gases. When the carrier gas is argon, an on-line atomic fluorescence spectrophotometer (AFS), used in a continuous mode, monitors the elemental mercury concentration in the inlet and outlet streams of the packed-bed reactor.

Solid sorbents for carbon capture include a diverse range of porous, solid-phase materials, including mesoporous silicas, zeolites and metal-organic have the potential to function as more efficient alternatives to amine gas treating processes for selectively removing CO 2 from large, stationary sources including power stations.

While the technology readiness level of solid. The application of new sorbent-film coated passive samplers for capture of bulk commercial and military explosives vapours in operationally relevant spaces such as.

Seven solid sorbents including Amberlite ® XAD-2 and XAD-4, Tenax-TA ®, Anasorb, Chromosorb, and were evaluated for the collection of the gas phase fraction of pesticides under field conditions at an agricultural site, Bratt's Lake, SK, located in the Canadian polyurethane foam (PUF)/sorbent cartridge consists of two PUF layers which sandwich the solid sorbent.Bench-Scale Test Report Organization The remainder of this report is organized as follows: • Section presents the detailed objectives and methods for the bench-scale test.

• Section presents the organic and inorganic results from the bench-scale test.Our trained and highly skilled chemists have the capability to evaluate for the presence of metals down to the part per billion (ppb) range.

Our chemists conduct trace metals analysis using a method called Inductively Coupled Plasma (ICP) ’ metals analysis lab is ISO (A2LA) accredited to perform ICP in accordance with ASTM E Elements commonly requested for trace.

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