results of lung exposure to magntite used in coal mining preperation plants

Radon activity concentration RnCA and workers lung

The risk of lung cancer or pneumoconiosis mortality, increases with radioactive radon gas exposures. This article report health risk for underground workers exposed to radioactive gas and radon daughters carried by airborne dust at the coal mining in the Central Mountainous Region of Colombia.

Dust exposure, pneumoconiosis and lung cancer: An

Request PDF | Dust exposure, pneumoconiosis and lung cancer: An epidemiological study in the Saar hard coal mining | A mortality follow-up had been carried out with 4,581 hard coal miners during ...

Characterizing Lung Particulates Using Quantitative Microscopy in Coal

Particle features were compared between historical (born before 1930) and contemporary coal miners, who likely had different exposures following changes in mining technology. Results.—: Lung tissue samples from 85 coal miners (62 historical and 23 contemporary) and 10 healthy controls were analyzed using QM-PM.

From Dust to Disease: A Review of Respirable Coal Mine …

Keywords: respirable coal mine dust; lung deposition; coal dust; dust exposure; respiratory diseases; exposure limits; computational fluid dynamics; aerosol; airflow 1. Introduction The human body engages with its environment in diverse ways, one of which is the interaction between the lungs and the external environment through the …

Association of coal mine dust lung disease with Nodular

Logistic regression was used to analyse the correlation between the occurrence of Nodular thyroid disease in coal miners, and further single- and multi-factor logistic regression was used to screen the risk exposure factors for Nodular thyroid disease in coal miners. Results: Age, coal mine dust lung disease (CMDLD), red blood …

Association between duration of coal dust exposure and

This study was designed to assess the prevalence of lung function impairment and to determine whether there is any correlation between dust exposure duration and lung function indices. Materials . Two hundred and thirty underground coal dust-exposed workers and 130 age-matched non-exposed workers were recruited from an …

Coal Mine Dust Lung Disease. New Lessons from an Old …

Less attention has been paid to the increase in prevalence and severity of the chronic lung disease that results from coal mine dust exposure. This article provides a …

Environmental Exposures and Lung Aging: Molecular Mechanisms

Inhaled environmental exposures accelerate lung aging by injuring the lungs and damaging the cells responsible for wound healing. Interventions that minimize exposure to noxious antigens are critical to improve lung health, and novel research is required to expand our knowledge of therapies that may slow or prevent premature lung aging.

Coal-Fired Thermal Power Plants and Mercury Risks: Status …

Coal is widely used as a thermal energy source and also as fuel for thermal power plants producing electricity. Thermal power plants (TPPs) have emerged as a major source of air, water, and soil pollution because of the presence of many toxic metals (As, Pb, Hg, Cr, etc.). Coal-fired power plants are major emitters of mercury to the …

Coal Workers' Pneumoconiosis and Other Mining …

Rapidly progressive pneumo-coniosis. (A) Explanted left lung from a coal miner with 35 years of coal mining experience and no his-tory of smoking. The upper lobe and apical portion of the lower lobe are completely replaced by PMF. Pale areas within the PMF are indicative of silicosis.

Current Review of Pneumoconiosis Among US Coal Miners

The increased scientific and media attention has precipitated extensive reforms to programs designed to prevent pneumoconiosis in coal miners and mitigate its negative health effects, including a 40% increase in funding for federally supported black lung clinics. Coal mining will remain an important industry in the USA for the foreseeable future.

Reliance on coal linked with lung cancer incidence

The more a country relies on coal-fired power plants to generate energy, the greater the lung cancer risk is among its citizens, according to a new study from Harvard T.H. Chan School of Public Health.. The study was published on January 28, 2019 in the journal Environmental Health.. Most estimates of health risks from coal-fired plants …

Modern Coal Miners Have Higher Death Rates From Lung …

Our findings add to the growing literature that coal miners are at risk of increased mortality from lung cancer. Controlling exposure to respirable crystalline silica is an important aspect of prevention. ... Respiratory disease mortality among US coal miners; results after 37 years of follow-up. Occup Environ Med. 2014;71(1):30-39. doi ...

Annexure Health impacts of coal fired generation in …

This report provides estimates of the health impacts of coal fired power plants in South Africa. Building on earlier work, it is concluded that these impacts provide a substantial burden on health, leading to premature death and increased illness quite widely within the population. Impacts may well be most severe on the more disadvantaged ...

Lung Disease Caused by Exposure to Coal Mine and Silica …

Results: Body plethysmography (total lung capacity below the lower normal limit) and spirometry respectively indicated restrictive pattern prevalence rates of 22.6% and 1.6%. ... Coal mining and ...

What is causing the rise in black lung disease? | ScienceDaily

Nov. 23, 2023 — Exposure to fine particulate air pollutants from coal-fired power plants (coal PM2.5) is associated with a risk of mortality more than double that of exposure to PM2.5 from other ...

Coal mining and lung disease in the 21st century

Abstract. Purpose of review: To review the impact of coal mining and resurgence of coal workers' pneumoconiosis (CWP) in 21st century and effect of ambient air pollution on lung function. Recent findings: At the beginning of 21st century, statistics by National Institute for Occupational Safety and Health showed a steep rise in pneumoconiosis.

Environmental asbestos exposure from nephrite jade mining and lung

The nephrite mines were contaminated with chrysotile and tremolite/actinolite asbestos. A total of 278 new cases of lung cancer were reported during the study period. There was an apparent age effect and a slight period effect for lung cancer. After adjustment for the age and period effects, the birth cohort born between 1970 and 1980 during ...

Coal and Air Pollution | Union of Concerned Scientists

Table of Contents. Air pollution from coal-fired power plants is linked with asthma, cancer, heart and lung ailments, neurological problems, acid rain, global warming, and other severe environmental and public health impacts. Coal has long been a reliable source of US energy, but it comes with tremendous costs because it is incredibly dirty.

As coal miners suffer and die from severe black lung, a …

Exposure to silica dust likely explains Smith's complicated black lung diagnosis at the relatively young age of 39 and after just 12 years of cutting rock and coal underground. "As bad as I feel now, and I never thought I would say it," Smith texted, "I so wish I had never stepped foot inside a mine."

A systematic review of occupational exposure to coal dust …

Objective: Exposure to coal dust can cause interstitial lung disease (ILD), but whether this is due to pure coal or to the contents of quartz in coal is less clear.Here, we systematically reviewed the relation between 'pure coal' and ILD. Methods: In a systematic review based on PRISMA criteria 2945 articles were identified.Strict eligibility …

A systematic review of occupational exposure to coal dust …

Results. Conclusions: Although an independent effect of non-quartz coal dust on the development of ILD is supported, due to methodological limitations the evidence …

An integrated overview of metals contamination, source

Coal mining has been going on for a very long time since it is the most common fossil fuel on the planet and the primary energy source that accounts for roughly 41.1% of all the electricity produced worldwide is coal (Li et al., 2023).Significant amounts of heavy metals can be discharged into the environment during coal mining operations …

Questions and Answers MSHA's Final Rule to Lower …

to lower coal dust exposure for miners in the effort to end black lung disease, a debilitating illness that continues to devastate coal miners, their families and communities. Black lung disease has been the cause or contributing factor in the deaths of more than 76,000 miners since 1968, including thousands in the last ten years;

Lung disease and coal mining: what pulmonologists need …

Purpose of review: Coal mine workers are at risk for a range of chronic respiratory diseases including coal workers' pneumoconiosis, diffuse dust-related fibrosis, and chronic obstructive pulmonary disease. The purpose of this review is to describe coal mining processes and associated exposures to inform the diagnostic evaluation of miners with ...

Emissions of Hazardous Air Pollutants from Coal-fired …

5.0 CONTROL OF HAZARDOUS AIR POLLUTANTS FROM COAL-FIRED POWER PLANTS. The forthcoming Utility Air Toxics Rule is anticipated to establish limits for HAPs from power plants that produce at least 25 MW of electricity for sale. The Utility Air Toxics Rule will apply to both new and existing coal-fired power plants.

Coal mine dust lung disease in the modern era

In a series of 722 CWP autopsies, Kuempel et al. recently demonstrated that coal mine dust exposure was associated with a greater risk of developing emphysema compared …

ITP Mining: Development of an Ultra-fine Coal …

form diluted coal fine slurries. A dewatering process is then needed to reduce the water content to about 15%-20% so that the product is marketable. However, in the dewatering process currently used in coal preparation plants, coal fines smaller than 45 micrometers are lost, and in many other plants, coal fines up to 100 micrometers are also ...

For surface coal miners, the 'big hazard' is silica, NIOSH expert says

Washington — Surface coal miners, especially those who work in drilling, may be exposed to higher concentrations of respirable dust or quartz. This puts them at elevated risk of coal workers' pneumoconiosis – a deadly but preventable disease known as black lung, results of a recent NIOSH study show. To analyze coal dust exposure …

Black Lung Rate Hits 25-Year High In Appalachian Coal Mining …

Don Klumpp/Getty Images. One in five working coal miners in central Appalachia who have worked at least 25 years now suffer from the coal miners' disease black lung. That's the finding from the ...