Mercury in the Environment Articles

390 Results found
  • Category: Health & Safety ×

  • Subcategory: Mercury in the Environment ×

New Report Shows Decline in Carbon Dioxide and Other Pollutants from U.S. Power Plants, but State and Power Company Emissions Vary Widely

by Ceres  (May 28, 2014)

Electric Power Industry is Transitioning to Lower-Carbon Sources and Positioned to Meet New EPA Carbon Standards A new report on U.S. power plant emissions from the country’s top 100 electric power producers shows a downward trend in ...

Continuous Mercury Monitoring Benefits Cement Plants

by Gasmet Technologies Oy  (May 13, 2014)

Antti Heikkilä from Gasmet Technologies highlights the challenges faced by mercury monitoring in cement kilns, and explains how a new continuous mercury monitoring system addresses these issues and provides process operators with an opportunity to improve environmental performance and demonstrate compliance with forthcoming legislation. ...

Case study: in-situ surfactant enhanced DNAPL recovery pilot project-refinery site montreal canada

by Ivey International Inc.  (Jul. 10, 2014)

Project Facts Active chemical refinery (20 acre site) Several DNAPL (chlorobenzene and dichlorobenzenes) and BTEX stored on-site Multiple DNAPL and BTEX spill events reported over a site history extending back to the 1950's. DNAPL and BTEX impacts to both the local soil and groundwater covering an 8 acre (+) area Risk: potential risk for ...

Case study: surfactant enhanced HVDPE remediation of petroleum contaminated soil, bedrock and groundwater

by Ivey International Inc.  (Jul. 10, 2014)

Recalcitrant petroleum product residuals sorbed in fine grain soils and fractured bedrock Persistent concentrations in groundwater after 12 years of remediation - including pumping, HVDPE Obtained regulatory approval for Ivey-sol surfactant application in spring 2009 Pilot Test Approach - Focused Short-Term Surfactant Injection/Extraction to ...

Surfactant enhanced in-situ remediation of DNAPL impacted soil and groundwater - Montreal refinery

by Ivey International Inc.  (Jul. 10, 2014)

Abstract A Montreal chemical refinery reduced the dichlorobenzene and other dense non-aqueous phase liquid (DNAPL) impacts on the soil and groundwater where a railway line is adjacent to an above ground storage tank farm. Ivey-sol® surfactant mixtures were injected three times during a two week pilot test, into a series of in-situ wells. The ...

Environmental Consulting case study

by EFI Global, Inc.  (Jun. 25, 2014)

Service(s) performed: This project included Preliminary Design/Budgeting, Asbestos Survey, Project Manuals (work procedures and drawings), Bidding Assistance, Project Management, Work Observations/Air Monitoring, Final Air Clearance, Fireproofing Testing, Final Report, Abatement Log Drawings and Operation and Maintenance Program. Summary: Our ...

Thermal Treatment of Hazardous Waste

by AVA - Huep GmbH u. Co. KG  (Jun. 23, 2014)

AVA is a leading supplier of machines and system solutions with main competence in mixing and drying, across all industry sectors. An important field of AVA business is the development and delivery of turnkey (mobile) plants for the treatment of contaminated recyclable fractions and waste under high vacuum and/ or high temperature.  The ...

EFFECT OF CROPPING SYSTEMS ON HEAVY METAL DISTRIBUTION AND MERCURY FRACTIONATION IN THE WANSHAN MINING DISTRICT, CHINA: IMPLICATIONS FOR ENVIRONMENTAL MANAGEMENT

by John Wiley & Sons, Ltd.  (Jun. 12, 2014)

We studied the concentration of heavy metals and mercury fractionation in contaminated soil for two agricultural land use systems (paddy rice and dry‐land) at the Wanshan Hg mine in China. The average concentration of chromium, lead, copper, nickel and zinc was generally lower in paddy‐rice (PR) soil relative to corn field (CF) soil. Soil under ...

In-Situ Remediation of Heavy Metals Using Sulfur-Based Treatment Technologies

by Graus Chemicals, LLC  (Jun. 9, 2014)

The Metal Problem Highly toxic and highly soluble metals are contained in numerous waste streams including those from power, chemical, electronics facilities, general manufacturing plants, and mining facilities. Lead, chromium, arsenic, zinc, cadmium, copper, and mercury are the most common metal contaminants found on remediation project sites (US ...

Assessment of toxicity of solid waste in landfill dumpsite by the toxicity characteristic leaching procedure

by Inderscience Publishers  (Jun. 2, 2014)

The concentrations of Pb, Cd, Cr, Sb, Fe, Zn, Ca, Cu, Ag, Ba and Hg, present in solid wastes of Pallavaram municipality landfill dumpsite located in Chennai were determined and their toxicity was assessed using the toxicity characteristic leaching procedure (TCLP) developed by the US Environmental Protection Agency (USEPA). The TCLP method is a ...

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