cement industry Articles
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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.
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The fiber glass filter bags for dust air filtration from cement kiln
The fiber glass filter bags designed for cement kiln from Zonel Filtech that is made of E-fiber glass woven filter fabric with PTFE membrane laminated treatment after some special finish treatment so as to make the cement kiln dust filter bag with a much better flexibility, abrasion resistance, lower emission rate but lower resistance and very suitable to be used in the cement dust air ...
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Air Rule for Cement Kilns Requires 92 Percent Cut in Mercury Emissions
Portland cement kilns will be required to reduce emissions of mercury by 92 percent as part of an Environmental Protection Agency final rule announced Aug. 9 that imposes controls for several toxic pollutants. Although most of the emissions standards in the final rule are less stringent than what the agency had proposed in 2009, the cement industry said the cost to operate the required controls ...
By Ohio Lumex
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New operating mode for on-line analysis of dioxin emission from stationary sources
Dioxins and furans are produced by an incomplete combustion of organic and chlorinated compounds Generated by stationary sources such as waste incinerators, cement/metal working industry… Dispersal in the environment as aerosols, accumulation in the food chain ...
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Rotary Dryer
Rotary dryer is mainly composed of rotary body, baffle, transmission device, supporting device and other components. Its working principle is to use the lifting plate with reasonable arrangement and alternate angle changes. The water-bearing material is thrown into the rotating cylinder, and the moisture is secreted from the material by hot air flow, and then the water vapor is discharged into ...
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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 emissions ...
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High Alumina Cement
Description of high alumina cement High Alumina Cement (HAC, sometimes known as calcium aluminate cement (CAC) or aluminous cement) is composed of calcium aluminates, unlike Portland cement which is composed of calcium silicates. It is manufactured from limestone or chalk and bauxite. Application of High alumina cement There are two distinct ways to use calcium aluminates: as high-performance ...
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Expert Analysis Said that the Wear-resistant Parts of Fine Crusher Determine the Output of Fine Crus
In recent years, the role of fine crusher in cement, grinding and desulfurization has become increasingly prominent. It is noteworthy that in the process of fine crushing, every part of the fine crusher plays a very important role. So when using the crusher, if there are problems with the parts inside, it is necessary to repair the crusher in time, so as to make the crusher work better. It is ...
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How to choose the filter bags for cement plants?
In the current global economic climate, industries around the world are under pressure to raise efficiency but cut costs, and the cement industry is no exception; moreover, for reserving the environment, the governments from different countries made more and more strict waste gas/dust emission policy, of course, which have much effect on those plants that need to exhaust much waste gases and ...
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Is Buying A Old Cement Mixer Really Saving Money?
Take the market mainstream hot-selling model 12-party mixer truck as an example. A used mixer truck with a 13-year 12-square mixer truck needs about 180,000 to 23,000 depending on the condition of the car. With a two-year depreciation of about 150,000, that is, the depreciation of the car itself is 50,000. Due to the long service life of used cars, there are some problems from time to time. The ...
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Marble Sand Making Machine
The marble sand making machine has small granularity, uniform grain type, large production capacity, long life of the hammer head, small matching power, three grade breakage to two grade breakage, simple process, simple structure, convenient maintenance and smooth operation. The investment of equipment is less than 35 to 50% of the traditional equipment of the same scale, and the output ...
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A Case Study in Implementation of the National Emission Standard for Hazardous Air Pollutants for the Portland Cement Industry at a Major Source
The regulations at 40 CFR 63, Subpart LLL are commonly known as PC MACT because the rule establishes the maximum available control technology for hazardous air pollutants (HAPs) from portland cement plants in the United States. There are 188 HAPs specified in Section 112 of the Clean Air Act Amendments of 1990. Two classifications of HAP emitters are specified in 40 CFR 63. Major sources of HAPs ...
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Major reorganization leads to five new management promotions
Servomex has announced the latest round of promotions following its recent reorganization.The global experts in gas analysis have seen five new manager-level appointments as part of its pursuit of Operational Excellence that underpins its internal strategic review.Karen Gargallo has been appointed to Business Unit Manager of Industrial Process & Emissions, Kieran Dray is now the Manufacturing ...
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2006-2016: 10 years of continuous dioxins monitoring in Italy. Which assessment for which perspective?
2006-2016: 10 years of continuous dioxins monitoring in Italy. Which assessment for which perspective? Polychlorinated dibenzo-p-dioxins (PCDD) and polychlorinated dibenzofurans (PCDF), more commonly named dioxins and furans are odorless, highly thermally stable, insoluble in water, highly liposoluble micropollutants present in traces in the environment, mainly produced during combustion with ...
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New Product Launch - AMPTS III
We are thrilled to announce the global launch of AMPTS® III – a new generation of the market-leading analytical tool for anaerobic batch fermentation testing. The AMPTS has come a long way since its inception in 2008, with the latest AMPTS III model being a testament to its continuous evolution and improvement. In addition, the new revolutionary software in the AMPTS III will offer even ...
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Flexibility is key: Screw pumps in oil-supply systems
Flender AG, a subsidiary of Siemens AG, has been using screw pumps from Allweiler AG for more than 25 years. Flender’s plant in Voerde, Germany (in the industrialized Ruhr region) manufactures gear units for extruder systems and vertical mills. The pumps supply the gear units with oil that is needed both for lubrication and for cooling. Large vertical mills require as much as 2000 l/min in ...
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`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, and ...
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Transportation of digested sludges over extreme distances
Sludge is a residual product of sewage treatment that, as a rule, is digested and concentrated. In larger processing plants, it is dehydrated, partially dried and subsequently utilised in other processes. This usually takes the form of incineration and subsequent use as an additive to building materials by the cement industry. In the sewage treatment plant (STP) of the local authorities ...
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Thermal efficient, long-lasting pre-cast lining solution for feed pipes of cement plant
Now a days, due to high cost of traditional fuels, most of the cement plants are switching to Alternative fuels like Pet Coke, Tyres, Municipal Solid waste, Pharmaceutical waste, Agro-waste, Plastics etc. Due to higher use of these alternative fuels, many plants are facing severe coating problem in their feed pipes due to which frequent cleaning of feed pipes required and many times, plant ...
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K Series Cylindrical Gear Reduction for Plate Feeder
1. CharacteristicsThe KDAB Cylindrical Gear Reduction structure design adopts the priority number system for specifications, main parameters and transmission ratio. The standardization and generalization of parts are high, and the interchangeability is good, which is convenient for organizing production and delivery. The KDAB Cylindrical Gear Reduction is made of high-quality alloy steel. After ...
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