cement kiln emissions Articles

  • Demonstrating advanced environmental management

    Everyone has high expectations when it comes to maintaining the environment. But for Castle Cement, just meeting those expectations wasn't enough. Managing stakeholder expectations is a major challenge for those implementing environmental management systems (EMS). Increased demands for transparency are driving process-based management systems and the rise in public reporting of environmental ...


  • Study Charts a Future for Waste-Derived Fuels

    Pointers to possible future EU policy initiatives to give co-incineration facilities burning waste-derived fuels a strategic role in waste management have emerged in a study for the European Commission.1 The report suggests a policy focus on promoting source separation of municipal wastes, active discouragement of mass burn incinerators, and a levelling of the regulatory playing-field for ...

  • NOx in Non-Utility Industries - Part II - Control options and monitoring methodology

     This the second in a two-part series. Part I, which appeared in our June 2001 issue focuses on air emission origins of nitrogen oxides (NOx) in non-utility industries. Choice of the NOx control technology is dependent on many factors, including regulatory requirements, technical feasibility, cost and public perception. Figure 1, compiled based on publications [1-5], presents a summary of ...


  • Cemex plant Ruedersdorf - Case Study

    CEMEX Deutschland AG is one of the biggest producers of ready-mixed-concrete, cement and minerals. In Germany CEMEX employs a staff of approximately 3,200 people and is part of the International CEMEX Group with a head count of 50,000. After the German re-unification the Company acquired the existing cement plant in Ruedersdorf. Investments to save CEMEX invested ...

  • Identifying energy and carbon footprint optimization potentials of a sludge treatment line with Life Cycle Assessment

    This study exemplifies the use of Life Cycle Assessment (LCA) as a tool to quantify the environmental impacts of processes for wastewater treatment. In a case study, the sludge treatment line of a large wastewater treatment plant (WWTP) is analysed in terms of cumulative energy demand and the emission of greenhouse gases (carbon footprint). Sludge treatment consists of anaerobic digestion, ...


    By IWA Publishing

  • Refuse Derived Fuel, Current Practice and Perspectives

    Untitled Document Summary I OBJECTIVES The objectives of the project were to undertake a survey on the current ...

  • 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

  • Las Vegas DirtWorkz, Inc.: Using the City’s wood waste to farm the desert

    Ray Becerra knows a thing or two about recycling, reusing and repurposing waste materials. You might even say it’s in his blood. Becerra has spent his entire life around landfills and farming operations, and he wears his passion for recycling waste materials on his sleeve. His enthusiasm for dust, dirt and debris, says Becerra, comes from his father, an avid recycler who was involved in the ...

  • Building a lower carbon construction industry

    Dominic Burbidge, Senior Client Manager Carbon Trust Advisory takes a cradle-to-grave view of the construction sector value chain Carbon reduction is a complex challenge for all organisations, not least those in the construction industry. Taking a cradle-to-grave view of the construction sector value chain means considering all aspects of the design, construction, use and demolition of ...


    By Carbon Trust

  • Tire Derived Fuel (TDF)

    Tire derived fuel (TDF) is a fuel derived from waste tires of all kinds. TDF is a major use for scrap or waste ...


    By Harden Industries Ltd.

  • EPA isues GHG BACT guidance

    Beginning in 2011, major sources of greenhouse gas (GHG) emissions that trigger Prevention of Significant Deterioration (PSD) permitting must implement Best Available Control Technology (BACT) for GHG emissions from new and modified sources. EPA has issued a variety of guidance in an attempt to clarify the BACT determination process for GHG emissions from common stationary sources:1 EPA’s ...


    By Trinity Consultants

  • Final CISWI rule

    On March 21, 2011, in parallel with publication of the Boiler National Emission Standard for Hazardous Air Pollutants (NESHAP) rules and the Non-Hazardous Secondary Material (NHSM) rule, EPA promulgated the final updates to the New Source Performance Standards (NSPS) and Emission Guidelines (EG) for Existing CISWI Units, collectively referred to as the “2011 CISWI Rules.”1 The 2011 ...


    By Trinity Consultants

  • Defining solid waste

    Simultaneous to the publication of the final National Emission Standards for Hazardous Air Pollutants for Boilers (the Boiler NESHAP) and the Commercial and Industrial Solid Waste Incinerator (CISWI) Rules, EPA issued a new regulation that for the first time defines what materials are a non-hazardous solid waste when combusted. This rule, Solid Wastes Used as Fuels or Ingredients in Combustion ...


    By Trinity Consultants

  • The Future of Secondary Materials as Fuel

    Many questions related to the regulatory status of facilities that use secondary materials as alternative fuels are anticipated to be answered in 2010.  In simple terms, if a combustion source uses a secondary material that is characterized as solid waste as an alternative fuel, then that source could be subject to a Clean Air Act (CAA) Section 129 standard.  If the same source used a ...


    By All4 Inc.

  • Biocycle world

    RECYCLING COALITION CALLS FOR MORATORIUM ON PLA BOTTLESA coalition of recycling organizations challenged NatureWorks' plans to push use of its biobased plastic, polylactic acid (PLA) in bottles. It called on the company to agree to a moratorium on any further expansion until the bioresin's recyclability has been demonstrated. A subsidiary of Cargill, NatureWorks has commercialized the ...


    By BioCycle Magazine

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