particulate matter cems Articles

  • CEMS: An Overview

    We've written an overview to where CEMS are required, types of site that require CEMS and future requirements. Continuous Emissions Monitoring Systems are used to continuously collect, record and report data from industrial process operators that produce emissions to air. CEMS are used as a means to comply with ...


    By a1-cbiss

  • Continous Emission Monitoring (CEMs)

    Presented in Track B1: CEMs at EUEC 2011,January 31 Phoenix, Arizona   B1.1  | Particulate CEM for wet FGD plant William Averdieck |  Managing ...

  • Total solution: Gas and particulate analysis in Cement industry

    Cement plants are increasingly required to install continuous emission monitoring systems (CEMS). While these represent a significant financial outlay, a range of other factors also need to be considered when selecting a suitable CEMS. To the inexperienced, selecting a suitable CEM can mistakenly be considered as simply ensuring that the applicable national regulations (eg MACT in the USA, ...


    By Environnement S.A

  • Global solution: Gas and particulate analysis in Cement industry

    Cement plants are increasingly required to install continuous emission monitoring systems (CEMS). While these represent a significant financial outlay, a range of other factors also need to be considered when selecting a suitable CEMS. To the inexperienced, selecting a suitable CEM can mistakenly be considered as simply ensuring that the applicable national regulations (eg MACT in the USA, ...


    By Environnement S.A

  • Gas turbine compliance emissions test case study

    CKwas retained by Lake Road Generating Company, LP (Lake Road) to conduct a compliance emissions test program on three combustion turbine and heat recovery steam generators (CT/HRSG). The purpose of this program is to demonstrate that emissions from the CT/HRSGs are within the emission limits specified in the operating permit issued by the Connecticut Department of Environmental Protection ...


    By CK Environmental, Inc.

  • Navigating NSPS subpart Db for boilers: a case study

    Over the past year, Trinity assisted a chemical company with the permitting and installation of a new 220 MMBtu/hr package boiler. The new natural gas-fired boiler replaces coal-fired units that were installed in the 1940s. Navigating through the numerous, and at times conflicting, regulatory requirements applicable to such a unit has been challenging. With careful planning and implementation, ...


    By Trinity Consultants

  • Mobile Stationary Source Emissions Testing, Coming to a Facility Near You?

    Last week, Antea Group had the unique opportunity to perform a RATA (relative accuracy test audit) of the emissions from a thermal oxidizer at an ethanol production facility located in Minnesota using a state-of-the-art mobile testing laboratory. During this RATA audit, actual stack emissions levels (including NOx, SOx, CO2, CO, O2, flow rate, temperature, velocity and pressure) from the ...


    By Antea Group - USA

  • An analysis of extinction coefficients of particles and water moisture in the stack after flue gas desulfurization at a coal-fired power plant

    Two important factors that affect in-stack opacity—light extinction by emitted particles and that by water moisture after a flue gas desulfurization (FGD) unit—are investigated. The mass light extinction coefficients for particles and water moisture, kp and kw, respectively, were determined using the Lambert-Beer law of opacity with a nonlinear least-squares regression method. The ...

  • New laser-based dust emission monitoring system

    Abstract A new generation of continuous particulate matter concentration monitoring instruments is presented, covering a measuring range of 0 to 1000 mg/m3. The laser-based scattered light instrument gives an improved stability as well as excellent resolution in the low range. This enables high concentration measurement as well as especially low emission monitoring down to 0.01 mg/m3 with a ...


    By Sigrist-Photometer AG

  • Facilitating compliance with consent decree requirements using an EMIS

    In late 2008, T3, a division of Trinity Consultants, developed an environmental management information system (EMIS) to manage “near real-time” emissions data at a petroleum refinery. The system is designed to support Consent Decree requirements for compliance demonstrations with air quality regulations at the facility. Functionality delivered includes advanced data gathering, ...


    By Trinity Consultants

  • Cementing the PC MACT

    On September 9, 2010, the U.S. EPA promulgated the final amendments to the National Emissions Standard for Hazardous Air Pollutants from Portland Cement Manufacturing Industry (40 CFR 63 Subpart LLL), also known as the PC MACT. EPA’s self-proclaimed “historic” rulemaking includes some important implications for cement manufacturers and other sources that may be subject to ...


    By Trinity Consultants

  • New boiler MACT and affiliated rules proposed

    EPA proposed three related rules (with final rules expected by December 16, 2010), intended to reduce the emission of hazardous air pollutants (HAPs) from industrial, commercial, and institutional boilers and process heaters as well as commercial and industrial solid waste incinerators. Simultaneously, it also proposed a definition of solid waste that could potentially affect some units currently ...


    By Trinity Consultants

  • Pollution monitoring in Cement Industry

    The rising use of waste based fuels in the cement industry, both for economic and Environmental objectives, combined with the strengthening of air emission regulations around the world is pushing many operators to face a wider list of pollutants to monitor this, with associated costs. The design of appropriate solutions meeting local regulation is the key to maximize the cost benefit of the fuel ...


    By Environnement S.A

  • American Upstart Filter Brand Competing with the Majors

    Flexotherm® has expanded its product line in the highly competitive filtration market.  The company now offers 2,900 different filter elements including coalescers, particulate, adsorbers, general purpose and high temperature filters. ...


    By Neptech Inc.

  • EPA Proposed “Franken-MACT” for Utilities

    EPA published the highly anticipated proposed Maximum Available Control Technology (MACT) Standard for the utility sector (40 CFR 63 Subpart UUUUU). When considered together with the growing list of proposed and final rules impacting the utility sector (Transport Rule/Cross-State Rule, Coal Combustion Byproducts Rule, Cooling Water Intake Rule, Regional Haze Rule, revised National Ambient Air ...


    By Trinity Consultants

  • EPA finalizes boiler NESHAP

    EPA published the final National Emission Standards for Hazardous Air Pollutants (NESHAP) for industrial, commercial, and institutional boilers and process heaters at both major and area sources of hazardous air pollutants (HAP) emissions. EPA developed separate rules for units at major sources of HAP emissions (greater than 10 tons per year [tpy] of any single HAP and/or greater than 25 tpy of ...


    By Trinity Consultants

  • Proposed boiler MACT sets aggressive emission limits

    On June 4, 2010, U.S. EPA proposed National Emission Standards for Hazardous Air Pollutants (NESHAP) for industrial, commercial, and institutional boilers and process heaters at both major and area sources of hazardous air pollutants (HAP) emissions.  EPA proposed separate rules for units at major sources of HAP emissions (greater than 10 tons per year [tpy] of any single HAP and/or greater ...


    By Trinity Consultants

  • EPA proposes updates to CISWI rules

    On June 4, 2010, the U.S. EPA proposed updates to the Standards of Performance for New Stationary Sources (NSPS) for Commercial and Industrial Solid Waste Incineration (CISWI) Units (NSPS Subpart CCCC) and Emission Guidelines (EG) for Existing CISWI Units (EG Subpart DDDD), collectively referred to as the "CISWI Rules." In order to describe the proposed updates to the CISWI Rules, it is necessary ...


    By Trinity Consultants

  • PC MACT proposal may signal widespread change

    On May 6, 2009, EPA proposed amendments to the National Emission Standards for Hazardous Air Pollutants from the Portland Cement Manufacturing Industry (PC MACT) in response to numerous petitions and court mandates. The proposed revisions present significant challenges to the portland cement industry by establishing a new lower maximum achievable control technology (MACT) floor that would require ...


    By Trinity Consultants

  • Return of the clean air interstate rule—The court does CAIR

    In summer 2008, the U.S. Court of Appeals for the D.C. Circuit issued a dramatic decision to vacate the Clean Air Interstate Rule (CAIR) in its entirety (North Carolina v. EPA, No. 05-1244, D.C. Cir., July 11, 2008). Following a petition for rehearing, it seems the previous vacatur was just a temporary detour, as the Court reinstated CAIR on December 22, 2008. The reinstatement appears to turn ...


    By Trinity Consultants

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