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AIR POLLUTION CONTROL TECHNIQUES FOR THE CEMENT MANUFACTURING INDUSTRY: A CASE STUDY FOR ZIMBABWE D. Zimwara1, L. Mugwagwa1, ... Figure 1 shows part of a cement making factory in Zimbabwe. Figure 1: Cement Production Plant (Cement Company, Zimbabwe) ... 3 ENVIRONMENTAL IMPACTS OF CEMENT MANUFACTURE
cement production process and its effect on environment. The aim of the research study is to identify the cement production process and its impact to the environment. A case study research approach has been adopted, since this better facilitates to study real life context in depth. The
This study examines the impacts of cement dust emissions on physicochemical properties of soils within 10km radius from the plant (factory) in Ashaka area, Gombe State. Standard procedures used in soil sampling involves collection of soil samples along a transect aligned in the north-east to south-east direction in order to reflect the
Portland cement and the environment. Portland cement is manufactured by heating limestone or chalk with clay in a rotary kiln to a high temperature (about 1450°C) to produce hard nodules of clinker that are then ground with a little gypsum in a ball mill.
the cement industry corresponds to the dusts. Indeed, the dusts can be emitted at every stage of the manufacturing process of the cement: extraction of the raw material, crushing, production, etc. The main objective of this research is to assess the impact of the dusts given out by a cement factory .
The general health problems that may arise from prolonged exposure to cement dust were investigated using black rats (Rattus rattus L.) living around a Portland Cement Company in Sagamu, Ogun State, Nigeria. 24 black rats, comprising of 12 rats from the cement factory and 12 rats from an environment free from cement dust were used for the study.. Elemental analysis, hematology examination ...
For the study, cement affected area of Khrew was taken into consideration. In 1979, a cement factory under the banner of Jammu and Kashmir Cements Ltd., with daily production of 600 tons which has risen to 1200 tons/year, was set up at Khrew. The factory releases an enormous amount of cement dust .
Portland cement concrete (ACPA, 2002). It is therefore important to conduct an Environmental Impact Assessment of a proposed cement factory considering the negative impacts of cement companies on the environment. This study will also develop a predictive model .
Mar 08, 2012· Cement is a big part of our lives, we walk on it, it's in our homes, we drive on it, it's everywhere. However, most of us rarely think about cement. This isn't the case for me, I'm always thinking about cement because there is a cement plant just over two miles away from my house.
AIR POLLUTION CONTROL IN THE CEMENT INDUSTRY. by Russell E. Hailstone Technical Director General Portland Cement Company Dallas, Texas. Portland cement manufacturing plants - both old and new - located in congested and sparsely populated areas of the country have, for many years, installed the most modern and efficient emission control
The majority of all cement shipments, approximately 70 percent, are sent to ready-mix concrete operators. The rest are shipped to manufacturers of concrete related products, contractors, materials dealers, oil well/mining/drilling companies, as well as government entities. The domestic cement industry is regional in nature.
Abstract. In this study, environmental impact on air quality was evaluated for a typical Cement Industry in Nigeria. The air pollutants in the atmosphere around the cement plant and neighbouring settlements were determined using appropriate sampling techniques.
The present study was done to assess cement dust exposure and its relationship to respiratory health effects, both acute and chronic respiratory symptoms and ventilatory function impairment among Portland cement factory workers in Khash located in the south part of .
When laying concrete block, have different sizes on hand to avoid cutting or hammering to make them fit. Work in ways that minimize the amount of cement dust released. Where possible, wet-cut rather than dry-cut masonry products. Mix dry cement in well-ventilated areas.
emissions [2]. Concern over the impact of anthropogenic carbon emissions on the global climate has increased in recent years due to growth in global warming awareness. In addition to the generation of CO2 the cement manufacturing process produces millions of tons of the waste product cement kiln dust .
The cement manufacturing industry was an EPA New Source Review/Prevention of Significant Deterioration (NSR/PSD) national enforcement initiative in fiscal years 2008-2010 and was continued as a Reducing Air Pollution from the Largest Sources national enforcement initiative for .
Concrete dust & odor hazard source tracking & remedy: this article describes odor & dust complaints traced to concrete: new pours, sawing or cutting concrete, substances spilled onto and absorbed into concrete, and other concrete or masonry-related odor and dust hazards. We include citations of expert sources on concrete dust exposure hazards, and we discuss how to deal with odors from wet or ...
Construction Dust is a general term used to what may be found on a construction site. There are three main types: Silica dust – Silica is a natural mineral present in large amounts in things like sand, sandstone and granite. It is also commonly found in many construction materials such as concrete .
South African cement group Pretoria Portland Cement (PPC) is to undertake a major project to reduce dust emissions at its De Hoek factory in the Western Cape. The cost of the project is about R70 ...
(2011), it was observed that particles released from cement factory. In another study on agricultural plants, it was found that the particles released from cement factory caused air pollution in plants (Bilen, 2010). The factories must implement the control methods developed in order to minimize the negative effects .
Cement and concrete manufacture Where are the hazards? High levels of dust can be produced when cement is handled, for example when emptying or disposing of bags. Scabbling or concrete cutting can also produce high levels of dust that may contain silica. What are the risks?
Frequently Asked Questions . ... Other ways to reduce or eliminate exposures include using different materials, such as aluminum oxide instead of sand for abrasive blasting, or using work practices that help minimize dust. The "Create-A-Plan" tool on this website provides examples by material and task for controlling dust.
Where CKD stands for Cement Kiln Dust. Because masonry cement requires additional lime, the IPCC Guidelines provide an equation, based on masonry cement production parameters, to estimate CO2 emissions resulting from the additional lime. The equation, and its components, is presented in Box 1.
Trinidad Cement Limited (TCL) has installed a mobile dust suppression machine to reduce the potential for health hazards, environmental effects and fugitive dust from its limestone crushing operation in Mayo, Central Trinidad. Crews run the DB-60 whenever the mobile crusher is operating, blanketing material piles, storage areas or truck paths to best suit the day's workload and wind conditions.
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