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health effects of limestone processing factoryri

The Health Risk of SLAG - an Industrial Waste Product - Fresh Air Vallejo

Description: A ground powder made with an appropriate mill from a glassy granular material formed when molten iron blast furnace slag is rapidly chilled as by immersion in water.". "Slag is a nonmetallic byproduct of the production from the production of iron. Trace amounts of chemicals may be detected during chemical analysis.

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Ecology & Safety Journal of International Scientific Publications ...

found in natural materials such as limestone, marl and/or clay. Cement manufacturing is an energy and resource intensive process with both local and global environmental, health and safety impacts. Because of these impacts, ensuring healthy and safe working conditions for employees is one of the most significant issues for the cement industry.

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Environmental Impact of Cement - Geos Technologies

Environmental Impact of Cement. Cement is a fine gray powder used in the production of concrete and mortar. A total of 12 billion tons of concrete, 1 or approximately 3 billion tons of cement, 2 are used around the world each year. With each person consuming about 3 tons of cement annually, it is the second most used material on Earth after water. 3 Cement is an essential component in basic ...

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PPT - 11. Health Effects From Volcanic Eruptions PowerPoint ...

effects that volcanic emissions have on human health. Living near vents causes hazards associated with pyroclastic and lava flows, while farther away, fine atmospheric tephra pose other health problems. This study focuses on the long-term health effects from volcanic eruptions. Ejecta containing hot ash, gases and dust

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Can Ants Save the World from Climate Change?

This ant limestone factory is a small-scale version of the massive planetary-cooling process that takes place in the oceans, known as carbon sequestration. Limestones deposited in the ocean hold...

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Cement Dust Exposure and Perturbations in Some Elements and ... - Hindawi

Background . Cement dust inhalation is associated with deleterious health effects. The impact of cement dust exposure on the peak expiratory flow rate (PEFR), liver function, and some serum elements in workers and residents near cement factory were assessed. Methods . Two hundred and ten subjects (50 workers, 60 residents, and 100 controls) aged 18-60 years were studied.

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Portland-Limestone Cement

Producers know that replacing some of the clinker in portland cement with ground limestone offers benefits, the most important being that it reduces the embodied CO2 of the cement. Modifying a concrete mix design to replace higher carbon materials with lower carbon ingredients is an effective strategy to reduce its environmental footprint.

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Effects of Quarry Activities on some Selected Communities in the Lower ...

Potential health impacts are almost exclusively linked to the presence of airborne dusts, in particular respirable particles, i.e. those that are less than 10 µm in diameter (also known as PM 10 ), have the potential to affect human health, including effects on the respiratory and cardiovascular systems [ 1 ].

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Nuclear anomalies in the buccal cells of calcite factory workers

netic damage in humans. To determine the genotoxic effects of calcite dust that forms during processing, MN assay was carried out in exfoliated buccal cells of 50 (25 smokers and 25 non-smokers) calcite factory workers and 50 (25 smokers and 25 non-smokers) age- and -matched control subjects. Frequencies of nuclear abnormalities (NA)

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Emissions from the Cement Industry - State of the Planet

Cement manufacturing is highly energy- and emissions-intensive because of the extreme heat required to produce it. Producing a ton of cement requires 4.7 million BTU of energy, equivalent to about 400 pounds of coal, and generates nearly a ton of CO 2. Given its high emissions and critical importance to society, cement is an obvious place to ...

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Effects of Exposure to Portland Cement Dust on Lung Function in ...

Iran. J. Environ. Health. Sci. Eng., 2008, Vol. 5, No. 3, pp. 201-206 202 R. Mirzaee, et al., EFFECTS OF OCCUPATIONAL EXPOSURE... different stages of the production process (ILO, 1999; Alvear-Galindo et al., 1999). Workers who are in close contact with the production processes have been reported to have high exposure to total dust

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How does acid precipitation affect marble and limestone buildings ...

When sulfurous, sulfuric, and nitric acids in polluted air and rain react with the calcite in marble and limestone, the calcite dissolves. In exposed areas of buildings and statues, we see roughened surfaces, removal of material, and loss of carved details. Stone surface material may be lost all over or only in spots that are more reactive.

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Environmental and Social Impacts of Cement Industries - LinkedIn

The cement industry produces about 5% of global man-made CO2 emissions, of which 50% is from the chemical process, and 40% from burning fuel. The amount of CO2 emitted by the cement industry is ...

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Evaluation of the Stone and Marble Industry in Palestine ... - SpringerLink

Feb 2, 2021This large amount of fresh water is turned into an environmental hazard when mixed with the dust and powder generated from the processes of stone cutting, resulting in heavy, viscous wastewater in the form of wet mud, commonly known as "slurry" generated from the processes of cutting and shaping the limestone, with an annual quantity of around 6...

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Health hazards of China's lead-acid battery industry: a review of its ...

Despite China's leaded gasoline phase out in 2000, the continued high rates of lead poisoning found in children's blood lead levels reflect the need for identifying and controlling other sources of lead pollution. From 2001 to 2007, 24% of children in China studied (N = 94,778) were lead poisoned with levels exceeding 100 μg/L. These levels stand well above the global average of 16% ...

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Health Hazards of Mining and Quarrying - ILO Encyclopaedia

Among some groups of miners who live together in isolated locations, there is also risk of transmitting some infectious diseases such as tuberculosis, hepatitis (B and E), and the human-immunodeficiency virus (HIV). Miners' exposure varies with the job, its proximity to the source of hazards and the effectiveness of hazard control methods.

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Response to Rockwool emissions | Journal-news | journal-news

Local residents in opposition to the Rockwool factory held signs at a Charles Town City Council meeting on March 4. MARTINSBURG — The response to Rockwool and its potential emissions has been varied and passionate. Many people in the community have weighed in on the debate, as well as spent time researching, learning and reading about the ...

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Environmental impact of cement production and Solutions: A review

Jan 1, 2022VOCs can cause potential health hazards such as respiratory and eye irritation, fever, nausea, liver, kidney and central nervous system injuries [38]. 2.2. Water and noise pollution, The manufacturing process of cement also causes dust pollution which may reduce visibility and quality of air.

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Original Article Element Content of Surface and Underground Water ...

Cement Factory Site in Calabar, Nigeria Edmund Richard Egbe, Augusta Chinyere Nsonwu-Anyanwu*, Sunday Jeremaiah Offor, Chinyere Adanna ... of limestone to the final process of packaging of cement is deposited on the soil, vegetation and water bodies, which usually serve as drinking ... health effects including risk for cancers, cardiovascular ...

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Chronic respiratory symptoms among workers at a limestone factory in ...

Limestone processing is a global industry, but few studies have assessed respiratory health among limestone workers. At a limestone factory in Zambia, the authors studied 70 high-exposed workers from the production department, 40 medium-exposed from engineering, and 30 low-exposed from administration.

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STOP THE DUNG FACTORY - SAY NO TO PROPOSED 4 MM Gallon CAFO Fertilizer ...

Its effects -- which are irreversible -- range from sore throat to seizures, comas and even death. Other health effects associated with the gases from factory farms include headaches, shortness of breath, wheezing, excessive coughing and diarrhea. NRDC

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Ventilation impairment of residents around a cement plant - PMC

But, few have researched the health effects of cement dust and asbestos [18,19], or heavy metals [20,21] derived from cement plants, thus a study on the relevance of dust and lung diseases of residents who live around these plants was rare. It is difficult to explain the relationship between environmental cement dust exposure and occurrence of ...

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Soil Acidity: Definition, Sources and Problems - Soil Management India

a. Non-specific effects: It is associated with the inhibition effect of root growth and thereby affects the nutrient availability. b. Specific Effects: i. Exchangeable Bases: There are two aspects of availability of exchangeable bases i.e. ion uptake process and the release of bases from the exchangeable form may be adversely affected due to ...

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Limestone, scaling, fouling in water - Vesi Process

Limestone, scaling, fouling in water. The color of the limestone depends on the other sediments in the mixture besides the mineral calcite, which is white; impurities such as sand, clay, and organic material are also present in limestone and affect the color. Sulfates contained in the water come from the dissolution of gypsum.

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Chronic respiratory symptoms among workers at a limestone factory in ...

After adjusting for age, smoking, previous jobs, and past respiratory diseases, the production workers still had a significantly increased relative risk for cough day and night, cough 4 to 6 times daily in a month, and cough with sputum.

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(DOC) Impact of Tororo cement factory on health of surrounding ...

The environmental pollution as a result of cement industry could 5 fbe defined as an undesirable process that is responsible to pollute water, air and land through its various activities, right from the mining activity of the raw material (limestone, dolomite etc.) to its crushing, grinding and other associated processes in cement plant.

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Top Toxic Chemicals in American Industries | EKU Online

Its health hazards are significant. Chronic worker exposures have caused mutagenic physical changes, reproductive effects, cancer, and neurotoxicity. Acute exposures bring on respiratory problems, including lung injuries. Workers also suffer from headaches, nausea and vomiting, diarrhea, and cyanosis.

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The effects of dust on vegetation—a review - ScienceDirect

This review describes the physical and chemical characters of a range of dust types. The effects of dust on crops, grasslands, heathlands, trees and wood- lands, arctic bryophyte and lichen communities are identified. Dust may affect photosynthesis, respiration, transpiration and allow the penetration of phytotoxic gaseous pollutants.

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Association between exposure in the cement production industry and non ...

Objectives Based on findings from a systematic literature search, we present and discuss the evidence for an association between exposure to cement dust and non-malignant respiratory effects in cement production workers. Design and setting Systematic literature searches (MEDLINE and Embase) were performed. Outcomes were restricted to respiratory symptoms, lung function indices, asthma, chronic ...

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Lovers of Tuscany's 'paradise' beach have factory to thank - Phys

Environmentalists have also deplored the gutting of limestone hills near San Vincenzo and mass extraction of rock salt. Manolo Morandini, a journalist with local daily Il Tirreno who has written ...

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Contamination of Groundwater | U.S. Geological Survey

Industrial discharges, urban activities, agriculture, groundwater pumpage, and disposal of waste all can affect groundwater quality. Contaminants can be human-induced, as from leaking fuel tanks or toxic chemical spills. Pesticides and fertilizers applied to lawns and crops can accumulate and migrate to the water table.

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Waste Tire as an Alternative Fuel of Cement Production Process in Iran

environmental benefits and its effects on producing clinker has been investigated. 2. DETAILS EXPERIMENTAL 2.1. Cement Production Process in Iran Required raw materials in cement industry are: Clay, Quartz, Gypsum, Iron ore and Limestone. These materials are mixed with a specific ratio: limestone 75 %, clay 13% and additives 12

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The Health Risk of SLAG - an Industrial Waste Product - Fresh Air Vallejo

Hexavalent chromium is the cancer-causing substance that Erin Brokovitch was fighting in Hinckley, and which contaminated a school yard in Davenport, California from a slag finishing mill. The slag material would be stored in the open in forty foot high piles and will emit dust every times it's scooped up and moved.

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Camelia-Maria KANTOR - Respiratory Health Effects Caused by the ...

Respiratory Health Effects Caused by the Proximity to an Industrially Polluted Area of the Aries River Basin, Transylvania, Romania Journal of Settlements and Spatial Planning, vol. 1, no. 1 (2010) 49-55 51 sub-branches (binders, cement, lime and plaster, precast concrete, some insulating materials, abrasives, glass and

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Effects of Quarry Activities on some Selected Communities in the Lower ...

Dust emission is one of the major effects of the practice of limestone extraction and as such, dust (PM10) sampling was conducted at the affected communities. Mean dry season results recorded in these communities stand at 125.0 µg/m3for Bueryonye, 116.0 µg/m at Odugblase and 109.3 µg/m3at Klo-Begoro.

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Construction Causes Major Pollution. Here's How We Can Build Better.

The industry is four times more polluting than air travel. Making it more sustainable is critical to protecting our health and the climate. Concrete mixing machines line up at the construction site for high-rise buildings on April 10 in Kolkata, India. Buildings of the future will be grown on-site, says Wil Srubar.

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Health and environmental impact of the coal industry - Wikipedia

The health and environmental impact of the coal industry includes issues such as land use, waste management, water and air pollution, caused by the coal mining, processing and the use of its products.In addition to atmospheric pollution, coal burning produces hundreds of millions of tons of solid waste products annually, including fly ash, bottom ash, and flue-gas desulfurization sludge, that ...

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The occupation hazard of ferromanganese smelting - Articles Factory

The method using coke as reducing agent and heat source, dolomite or limestone as flux, use the blast furnace to produce high carbon ferromanganese. Ferromanganese blast furnace smelting process is similar with the blast furnace iron making, the occupation hazards in its production process is also similar.

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cement - Extraction and processing | Britannica

Extraction and processing. Raw materials employed in the manufacture of cement are extracted by quarrying in the case of hard rocks such as limestones, slates, and some shales, with the aid of blasting when necessary. Some deposits are mined by underground methods. Softer rocks such as chalk and clay can be dug directly by excavators.. The excavated materials are transported to the crushing ...

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Could ants change the course of climate change? - CBS News

This ant limestone factory is a small-scale version of the massive planetary-cooling process that takes place in the oceans, known as carbon sequestration. Limestones deposited in the ocean hold ...

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