Road Dust Control

Archive for the ‘Dust’ Category

Two politicians have raised concerns about Penrice mine dust.

One has suggested a drastic remedy.

David Winderlich, independent member of the Legislative Council, called for the state government to ban Penrice from mining on hot and windy days.

Mr Winderlich and Ivan Venning – the Member for Schubert – have both highlighted Penrice dust as a health and environmental issue.

They believe Environmental Protection Authority (EPA) tests show the mine has produced dangerous levels of fine-particle dust – in breach of the National Environment Protection Monitoring standard.

The results were recorded by a ‘hotspot caravan’ that has been located near the mine for the past nine months.

Penrice Soda Holdings, the company that owns the Barossa mine, has rejected the figures.

Guy Roberts, Penrice managing director and chief executive officer, revealed the mine’s own EPA dust monitors had not recorded any dust emissions that breached standards.

“We deny these exeedences,” Mr Roberts said.

“The supposition is those results picked up by the hotspot caravan were due to outside mine factors.”

The ‘hotspot caravan’ monitoring station was put in place on March 31, for a period of 12 months.

Mr Venning said it was installed after appeals by nearby neighbours.

But he was worried the monitor did not meet national standards.

“The EPA is supposed to be the community’s watchdog authority with regard to environmental issues, but in this case it appears they have dropped the ball,” Mr Venning said.

“Is this body serious about enforcing environmental standards or are they merely a toothless tiger?”

Meanwhile, the mine has already committed to install a new dust suppressant system in coming months.

This will come at a cost of $200,000 and be located inside the mine’s aggregate crushing plant – one of the known sources of dust emissions.

This move follows trials of a water soluble, biodegradable foaming dust suppressant system.

However, Mr Venning urged the mine to do more.

He wants the crusher and conveyer belts enclosed, to help reduce dust emissions.

“No one including myself wants to see the mine closed,” Mr Venning said. “Everyone is aware of the employment the mine provides for locals and that the soda ash extracted from the mine is used to make glass bottles – in particular wine bottles.”

Mr Venning believes the mine can fit in with the community.

“But measures need to be taken to ensure this happens,” he said.

Tags: environmental protection authority, toothless tiger, dust emissions, dust suppressant, dust monitors

At least seven peasant miners have died of black lung disease and hundreds more have been diagnosed with the illness after working in gold mines in northwest China’s Gansu Province, the local health authority said Wednesday.

At least 314 cases had been confirmed in Gulang County of Wuwei City, said Cui Kai, the county’s health bureau chief.

These included 252 cases from Heisongyi town, where six had died. “Twelve cases, including one death, were reported in Huangyangchuan town and another 11 people were diagnosed in Shibalibu Village,” said Cui.

All the victims worked at a gold mine in Subei County in the industrial city of Jiuquan, 1,000 kilometers from their impoverished hometown.

“We received reports of suspected black lung disease from the local government in Heisongyi town in April, and began a medical survey,” said Cui.

The result, however, was shocking. Most patients had struggled with the disease for years. Some could not afford any treatment and simply waited to die.

Chen Dejin, 50, relies on an oxygen bottle 24 hours a day. “The doctor said no medicine would work on him any more,” said his wife, Ji Xinghua.

Chen was diagnosed in 2005. “We have borrowed more than 60,000 yuan (8,824 U.S. dollars) to cover his medical bills,” said Ji.

Chen’s workmate and neighbor Yang Zifa died early last year at the age of 36, leaving behind 70,000 yuan debts. His wife and two sons live on a government benefit of 880 yuan a year.

Most victims blamed the disease on “ill luck,” though they knew it was a result of inadequate protection.

“We wore very thin face masks and ventilation was poor in the pit. At the end of the day’s work we had to clean our nostrils of calcareous dust,” said Shang Zhifa, who was a miner for six years before he was confined to bed with the disease.

Despite the dust, there was no water to wet the drills or bathe themselves.

“Water had to be carried from 200 kilometers away,” said Shang. “About 20 of us shared one small basin of water to wash our hands and faces.”

Gulang County, locked in the remote mountains, is one of the poorest counties in China.

In Heisongyi town, the net per capita annual income was only 1,500 yuan last year, according to Li Cunguo, secretary of the Heisongyi Town Committee of the Communist Party of China.

Poverty forced local peasants into mining, which promised a stable income despite the high risk.

 

No one had a labor contract. “I asked, but the boss insisted an oral agreement would do,” said Shang. “I wouldn’t have agreed to that had I known the consequences.”

Without a labor contract, it was difficult to claim compensation or refund of medical costs, said Xu Shucai, an official in charge of labor and social security with Gulang county government. “We will work with the local government in Jiuquan to find a solution.”

Meanwhile, he said the county government had promised an annual allowance of 718 yuan for each patient.

One miner owner has denied the work caused the illness and he blamed tobacco.

“Mining cannot cause black lung disease,” said Pan Zhanlin, a business tycoon who owns the Deyi Mining Co. in Jiuquan, where some of the patients had worked. “They had lung problems because they smoked too much.”

Black lung, or pneumoconiosis, is a chronic occupational disease by the prolonged breathing of mine dust. There is no specific treatment for the ailment, according to Chinese Medical Association.

Tags: black lung disease, gansu province, northwest china, oxygen bottle, local health authority

In many places around the world, mining corporations need to be to blame for their fugitive dust emissions. Various problems might come up when dust control guide lines aren't followed. Simple measures are usually put in place to help care for the environment also people that work at as well as reside in the vicinity of the mines. 

When contemplating mining methods, we know that air is usually affected by dirt particles as well as chemical emissions. Gravel Mining generates many pollutants that might be released into the environment. Dust from long-term storage might become forced into the air by high winds, erosion of open hillsides, quarry dumps as well as tailings dams, might lead to contamination of drainages, creeks along with rivers.

In regions of rough country mining, resembling Alaska, there might be habitation destruction along with destruction or else disturbance of ecosystems, which in-turn affect subsistence in the area. Mining may perhaps turn out numerous sorts of pollution, similar to dust pollution as well as diesel emissions. Added pollution more likely to be found is above ground lead, mercury as well as methane from coal band extractions along with road dust.

All mining, as well as marble processing, creates significant quantities of dust particles. Fugitive dust is particulate matter which may be carried in the air by wind. Dust sources from mines come from sources akin to wide open pits, ore and waste piles along with concentrated storage areas, ore crushing, open ore vehicles and the partial control of haulage road dust

These sources can cause impacts to the quality of air itself that may impact individuals living in close proximity to the mine, staff and wildlife. Additionally when the dirt particles land, soils, along with plant life, are often impacted. It's especially of trouble if airborne dirt and dust has elevated degrees of metals.

The Center for Disease Control has developed a paper that gives operators, of exposed mines, a ventilation preparation application that will help them develop a better, safer, and more proficient ventilation system within a workplace.

Good quality soil stabilization  methods will be:

    * Watering haul roads/piles
    * Usage of dust particles suppressants
    * Protect vehicles   
    * Stabilizing roads
    * Management technology – scrubbers, filters
    * Reclaim/revegetate
    * Dust particles could be prevented or controlled by implementing suppressants.
    * Ore crushing regions can be enclosed.

Other solutions to reduce emissions are by the use of alternative power sources (wind, photo voltaic), clean power options as well as implementing emission control gear akin to scrubbers, filters, adsorption units. Emission management tools can be put on the tip of the tube/stack to scale back emissions and these are generally successful in decreasing emissions that effect communities.

Mining practices are affiliated with a range of health hazards, and these bear significant effects relating to the welfare of women and youngsters ranging from pollution of the air and water as well as sound pollution.

Nursing moms as well as their children suffer a risk of poisoning. According to health experts, mercury poisoning might lead to birth disorders, once it enters the placenta and might lead to loss of life.

The air pollution in mining locations, ensuing from the release of substances along the lines of nitrogen oxides, sulfur dioxides in addition to additional atmospheric particles, might produce upper respiratory tract Infections. The high silica -content rocks however, spawn a lot of dust in the course of action and continuous subjection near this dust, in accordance to health experts, might produce silicosis and silico-tuberculosis.

Analyses conducted in locations of coal mining, were predominantly disturbed with respiratory illness brought on by air pollution from mining activities. An evaluation was conducted of long-term effects of subjection near air contaminants in school children. The predominance of pulmonary along with ear, nose and throat disorders was higher within the infected communities, but a statistically sizeable divergence was only observed for the problem “wheezing in the chest”.

Soils Control International specializes within a exercise of dust Suppression with reference to road dust and Soil Stabilization Argentina

Tags: pollution particles, dirt particles, airborne dirt, fugitive dust emissions, long term storage

Releasing the National Compliance Enforcement Report in Pretoria, she pointed out that this decrease in convictions is a cause for concern, particularly in light of the increase in the total number of criminal dockets registered during the year under review.

But she pointed out that many cases have experienced substantial delays within the prosecution system, confirming the urgent need for dedicated courts to deal with these types of cases.

Nevertheless the report cheered her up by saying that the number of acquittals dropped from 441 in the previous year to 18.

A total of 4,661 environmental cases were reported nationally for the year to the end of March 2009. During this period the total number of criminal dockets registered was 2,412 compared with 1,762 in the previous reporting period.

The total amount of money raised by admission of guilt fines nearly doubled from 2007/08 from 744,706 rand to approximately 1.4 million rand in 2008/09.

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Tags: administrative process, substantial delays, inspection findings, commencement, illegal waste, industrial premises, compliance enforcement, environmental impact assessments

Sandvik’s HX410 electrostatic dust repression system will tackle the challenge of transfer point dust suppression at German company RWE Power AG. The client will evaluate the HX410 on a conveyor for lignite and overburden in the Garzweiler open pit mine. The conveyor includes a capacity up to thirty seven 500 t/h at a belt speed of seven,5 m/s (twenty five ft/s) and a belt width of 2800 mm (a hundred and ten in).

Till currently, RWE Power AG has used primarily water-sprinkling to scale back the dust to acceptable levels. At a transfer point, RWE Power AG cannot use water-sprinkling because of the coal-online-analytic-system which is installed in this place. One double HX410 will be installed on the upstream conveyor and a second double HX410 on the downstream conveyor. As the Sandvik HX410 has already proven its effectiveness and reliability in more than two hundred applications, RWE Power AG decided to convey it a chance to prove its skills in the foremost demanding environment.

The system is ionization-based and has been designed to bind dust where it is formed. It's a simple system with very low operating and maintenance costs, providing several advantages as compared to standard “suction-through-filter” or water-based systems. It's appropriate for retrofits or installations on new conveyor systems. The HX410 ensures that chutes, loading points and transfer point don’t generate unacceptable dust emissions. Without correct dust management, every transfer point may generate additional air-borne dust that eventually spreads all over the conveyor area. In most applications, a single HX410 is installed right after the chute on top of the belt.

Essentially there are 2 completely different standard sizes offered: one, for belt widths 400 to 650 mm (sixteen to twenty five in); and 2, for belt widths 800 to 1400 mm (thirty one to fifty five in). For wider belts, custom created constructions can be offered by Sandvik. The power demand for a standard system is below 500 W and maintenance time is less than one hour per month. The system picks up particles in the range of 0.01 to 100 µm. The potency for a median particle size of 5 µm is usually above ninety%.
Applications and use of the HX410 can be found at bulk material transfer points in industries like: mining, aggregates, steel, cement, foundries, glass and paper. However, it is not appropriate for environments with explosive dust.

Tags: coal mine, coal dust, dust control, Mining

The Illinois Environmental Protection Agency says air quality last year improved.

An annual report shows that air quality trends for pollutants for which air quality standards have been developed – along with some heavy metals, nitrates, sulfates, volatile organic and toxic compounds – are continuing to show downward or stable trends that are well below the established standards.

Air quality during 2008 was either good or moderate more than 96 percent of the time throughout Illinois.

There were 14 days air quality in some part of Illinois was considered "Unhealthy" for sensitive groups, this compares to 24 "Unhealthy" for sensitive groups days in 2007.

The improved numbers come even though a more stringent federal standard for measuring acceptable air quality was used for the 2008 report.

Percentage changes from 1999 through 2008 show decreases of 14 percent for particulate matter (PM10), 20 percent particulate matter (PM2.5), 15 percent for sulfur dioxide, 13 percent for nitrogen dioxide, 47 percent for carbon monoxide, 18 percent for lead and 12 percent for ozone.

Tags: toxic compounds, carbon monoxide, sensitive groups, heavy metals, particulate matter, air quality standards, ozone, nitrates, pollutants

Fugitive dust is a specific problem that is created by people when interacting with their natural environment. This is not a manmade pollutant. This dust is not emitted from any chimney, smoke stack or vent. Instead, this is a small solid or liquid particle that arises from the soil every time a person, animal, wind or object passes over it and disturbs it. A good example of this is a sand storm.

Fugitive dust is a persistent challenge in the dry areas of the western part of the US. This issue develops wherever long dry conditions exist and the moisture has dried from the top soil.

This has become an area of concern for those who suffer from respiratory problems. The size of the average dust particle is 10 micrometers or less. This small size particle can remain airborne for days or even weeks, depending on the wind conditions. Because of the particle’s small size, it has the ability of entering the respiratory system of people. This is the reason for concern. This small, but hard particle can damage the lungs and cause long term respiratory problems.

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Tags: manmade, respiratory system, depending on the wind, chimney smoke, dust particle

As scores of states are attempting to last longer than the central bank induced economic catastrophe, services for those communities are on the chopping block.  Many times we assume the services that our monies deliver, and whether or not you recognize it, all those revenue taxes that you forfeit are not going to these services. Those taxes set out to the restricted banks that own the Federal Reserve central bank. The taxes that are used to preserve our state, region or town, are derivative from taxes that we forfeit whilst living our daily lives.

An example could be the gas tax added to every gallon of gas we purchase. That capital is used to maintain the road and rail network. When citizens travel less, the income from gas taxes start to fall off significantly. At some stage we start to have diminishing income. Such is the case when the powers that be determine that Dust Suppression on our roads will need to be cut. Bad roads less driving – less driving less gas tax

The moment we steal a dollar from a citizen that's productive and spend it on a non useful event, that dollar is consumed evermore. If we employ that dollar for a constructive event the money stays in the system to provide further taxes into the system yet again.

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Tags: city municipality, derivative, dust abatement, dust suppressant, control dust, proceeds, town managers, monies, devastation, dust suppression

AIR transfer authority Fanquip has pooled its various technologies along with expertise to meet the prerequisite for niche sized fixed and relocatable dust control processes for the erection sector. These products are suited to companies concerned in cement workings and related goods similar to sand and sandstone which can easily become airborne also potentially distress not just human resources but adjacent neighborhoods also.

Fanquip of late designed and built for a user in the building industry a method to arrest concrete powder that fell from tipper trucks operating on top of hoppers and stockpiles. There was concrete powder escaping in all places, yet with a procedure around a chute the Fanquip dust collection solution now catches it.

Fanquip is combining its fan technologies, to give dust containment units for quick deployment and re-use when mandated. Adept to handle a wide variety of dust particle sizes from sizeable and coarse right down to fines and cinder, the option of either permanent units or relocatable units that are inexpensive and specific ensures that universal dust control, as a required safety solution, is now easily reasonably priced for companies of all sizes.

Tags: staff employees, sandstone, sluice, dust collection, solutions products, collection solution

The dust from a mine is significantly different from the dust you find in your home. Dust in your home primarily consists of dead skin while mine dust is almost exclusively a mineral in a fine powder form.

Most written definitions of mine dust include the following: dust from drilling, blasting, smashing or handling of rock. The majority of the dust created by one of these activities are too large to stay in the air for an extended period of time and account for about 40 percent of all dust created at a mine site. The remainder is less than 10 micrometers in size. The majority of these particles is less than 2.5 micrometers and come from the exhaust of equipment used on the mining site.

The smallest size particle is what is most hazardous to the population’s health. The larger dust particles are an eye sore and are cost a lot to clean up, but are less hazardous to one’s health.

The smaller particles do make certain health hazards that include respiratory problems due to the fact that they are in the air that is breathed in to the lungs. This can be minimized if mining personnel were to wear masks designed to filter out the dust.

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Tags: lungs, rocks, piles, soil, mining area, suppression system, trucks, respiratory problems