cement industry waste Articles

  • Utilisation of waste marble powder in cement industry

    Presently large amounts of slurry are generated in marble cutting plants with serious consequences on the environment and humans. This paper presents test results showing the feasibility of using waste marble powder (WMP) in cement industry as a substitute limestone. Also, it describes the formulation of new lime–based (CR II) cementitious materials derived from these industrial wastes. The ...


    By Inderscience Publishers

  • 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 ENVEA

  • Cement Manufacturing Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • RDF for cement kilns

    The use of the cement has significantly contributed to the worldwide economies. In fact cement is considered to be the second most consumed substance in our society and apparently the amount of it, used in construction, is more than double that of the total of all other building materials, including wood, steel, plastic and aluminium. Nowadays the cement industry has important environmental ...


    By SatrindTech Srl

  • Cadmium removal from industrial effluents by cementation with zinc powder

    This work presents the study of the cementation with zinc of a cadmium containing effluent, as an alternative process to chemical precipitation. The effluent, which was produced in the regeneration cycle of the ion–exchange columns of a metal plating waste–water treatment plant, contains: [Cd(II)] = 3500 mg/L; [Cr(III)] = 1230 mg/L; [Cu(II)] = 4575 mg/L; [Fe(II)] = 985 mg/L; [Zn(II)] = 325 mg/L ...


    By Inderscience Publishers

  • Waste to energy: customised shredder for cement plant waste recovery in China’s Jiangsu province

    Industrial shredder for baled fabric and clothing, empty standard 200 litre metal drums and IBCs with a frame   ...


    By SatrindTech Srl

  • 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 ENVEA

  • 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 ENVEA

  • `A Case Study in Implementation of the NESHAPs for the Portland Cement Industry at a Major Source,` appeared in Cement Americas magazine, July/August 2003

    Introduction Located at 40 CFR 63, Subpart LLL, the Portland Cement (PC) MACT standard poses a significant regulatory hurdle to the cement industry-Facilities subject to its requirements had to complete initial performance testing and develop their first substantial semi-annual monitoring report by January 31, 2003. The final Portland Cement MACT rule was promulgated on June 14, 1999, ...


    By Trinity Consultants

  • Evaluation of leaching characteristics and environmental compatibility of solidified/stabilized industrial waste

    An attempt was made to judge the environmental compatibility, the governing leaching mechanism, and mobility patterns in a waste–cement solidified/stabilized matrix after 21 days of curing. The mixed sludge from a steel pickling facility was stabilized by ordinary Portland cement. Iron was the major leachable metal, along with Pb, Zn, and Mn. To characterize the leaching behavior, the mobility ...


    By Springer

  • Waste incineration in cement plants: constraints and development opportunities (a French-German comparison)

    Is it possible to reconcile economic and ecological concerns? This article examines, through a French-German comparison, the case of obtaining a calorific value for wastes used as substitute fuels in cement kilns. On the one hand, this new strategy for obtaining needed inputs offers to the cement industry an economic opportunity for lowering production costs (the main determinant of ...


    By Inderscience Publishers

  • Cement and Lime Kilns case study

    Cement and Lime Kilns PROCESS DESCRIPTION Cement, lime and gypsum manufacturing processes have in common the mixing of inorganic minerals calcined at high temperatures typically using rotary kilns (vertical kilns are also used). CEMENT Regular Portland cements are the usual products for general concrete construction. The raw ...


    By AMETEK Process Instruments

  • Municipal solid waste: alternative source of energy to the cement kilns in the state of Madhya Pradesh, India

    Rapid urbanisation has resulted in large–scale municipal solid waste (MSW) generation in India. Scientific and environment friendly disposal of MSW is a challenge for the municipal local bodies. A survey has been conducted regarding municipal solid waste generation from 342 local bodies in the State of Madhya Pradesh. Total generation of the MSW in the State is estimated around 4,500 MT/day ...


    By Inderscience Publishers

  • Cement Manufacturing - Balancing Growth with Air Quality Requirements

    In most areas of the U.S., it appears that the recession is a bad memory and the signs of recovery are all around us. As described by the Portland Cement Association (PCA) on its website[1], “following the strongest cement consumption gains in seven (7) years in 2012, cement consumption growth will continue in 2013 with a 6.2% increase.” PCA continues to explain that “the ...


    By All4 Inc.

  • CaO–LOI classification system for cement kiln dust

    Cement Kiln Dust (CKD), a residual of cement production, has been used effectively as a cement replacement, but there is a lack of guidance for its appropriate selection and performance in specific engineering applications. Since CKD is not a controlled product, the chemical composition and material properties differ from source to source like coal fly ash. This paper presents a dual–letter ...


    By Inderscience Publishers

  • Recycling and use of wastes/co-products from the iron/steel and alumina industries

    The current and potential uses for Blast Furnace (BF) slag, steel slag and red mud, and their environmental implications, are outlined and discussed as are the difficulties associated with red mud disposal and subsequent rehabilitation of the disposal sites. Whilst practicable bulk uses for the large amounts of slags that are produced have been found, the uses for red mud are limited and only ...


    By Inderscience Publishers

  • How to deal with hazardous waste?

    At present,hazardous waste is a facing an increasingly serious environmental problem .so the mainstream of industrial waste disposal methods: curing landfill, biochemical method, incineration disposal method. Other hazardous waste disposal methods include high temperature steam sterilization, microwave, plasma incineration, pyrolysis incineration, wet air ...

  • Innovative use potential of industrial residues from the steel, paper and pulp industries - a preliminary study

    A more holistic approach to the utilisation of process industry residues is a major theme of current research. The beneficial utilisation of industrial residues, as a logical step towards the goal of sustainability through sustainable development, is crystallised within the concept of industrial symbiosis (IS). The reduction of environmental impacts, including CO2 emissions from industrial ...


    By Inderscience Publishers

  • Processing technology for radioactive wastes

    For 20 years now, AVA has been delivering innovative mixers, dryers, and systems for environmental and processing technologies. The treatment of highly contaminated materials has always been one of our core competencies. For more than 10 years, AVA Technology has been applied for the processing of radioactive wastes. The application of AVA mixers and reactors may be divided into two main ...


    By AVA GmbH u. Co. KG

  • Cementatious considerations for medical waste solidification

    The most common cause for alarm in the medical field pertaining to waste disposal is the exposure of the worker to infectious wastes and contraction of diseases from these wastes. With the increased risk of exposure to blood borne pathogens in handling body fluids and disposal of items that have been tainted by these fluids, awareness and education for the prevention of percutaneous wounds is the ...

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