Dust Control – Soil Stabilization – Erosion Control

Posts Tagged ‘dust particles’

Most Americans are not fully aware of the road dust problem that exists across the nation. This dust is of a different makeup from what is found around in most homes. The dust that accumulates around on the furniture is made up of some dirt particles, but its main component is dead human skin cells that have fallen off the occupants of the dwelling.

For a particle to be considered dust, it must be smaller than 500 micrometers in size. This is why HEPA filters are used on vacuum cleaners and as part of the HVAC units in the homes, they trap 99.97% of all particles that are 0.03 micrometers in size.

Nuisance dust from the roads has a completely different composition and source. This dust is produced when the soil is disrupted and made airborne from wind or a passing vehicle, pollutants in the air, and the occasional volcanic dust that lingers around in the atmosphere.

Read the rest of this entry »

In many places around the world, mining businesses need to be responsible for their fugitive dust emissions. A range of problems will come to pass when dust control rules aren't followed. Simple procedures can be implemented to help protect the natural environment the people who work on and reside in the neighborhood of the mines. 

When contemplating mining operations, we all know that air is undoubtedly affected by airborne debris as well as chemical emissions. Silver Mining creates lots of pollutants that could be released into the atmosphere. Pollution particles from long-term bulk storage will become forced into the atmosphere via storms, erosion of exposed hillsides, pit dumps in addition to tailings dams, will lead to contamination of drainages, creeks and rivers.

In regions of wilderness mining, akin to Alaska, there may be habitat destruction and destruction or disturbance of ecosystems, which in-turn influence subsistence in the area. Mining may possibly generate several kinds of pollution, resembling dust pollution plus diesel emissions. Other toxin more likely to be seen is above ground lead, mercury plus methane from coal bed extractions and road dust.

All mining, along with stone processing, gives off sizable quantities of dust particles. Fugitive dust is particulate matter that has been carried in the air by wind. Dust sources from mines get here from sources akin to open pits, ore and waste piles together with concentrated storage locations, ore crushing, exposed ore vehicles and the incomplete control of road dust

These sources can cause impacts to the condition of atmosphere alone that may impact the ones living close to the mine, laborers and animals. Furthermore when the dirt particles land, soils, and vegetation, are often impacted. It's exceptionally of worry if airborne dirt and dust consists of elevated amounts of metals.

The Center for Disease Control has put together a document that gives operators, of open mines, a ventilation planning application designed to help them develop a healthier, safer, plus much more effective ventilation system while in the workplace.

Good dust control  procedures could be:

    * Watering haul roads/piles
    * Application of airborne dirt and dust suppressants
    * Cover vehicles   
    * Stabilizing roads
    * Management systems – scrubbers, filters
    * Reclaim/revegetate
    * Airborne dirt and dust is often prevented or eradicated by implementing suppressants.
    * Ore crushing regions could be enclosed.

Additional methods to reduce emissions are through alternative power sources (wind, pv), clean power options plus implementing emission control gear akin to scrubbers, filters, adsorption units. Discharge management equipment could be put on the tip of the duct/stack to reduce emissions and these can be successful in lowering emissions that effect communities.

Mining practices are connected to a range of health hazards, and these produce serious effects on the welfare of women and kids ranging from pollution to the atmosphere and water as well as sound pollution.

Nursing mothers plus their children stand a risk of poisoning. In accordance to health professionals, mercury poisoning can lead to birth defects, when it enters the placenta and might lead to loss of life.

The atmosphere pollution in mining regions, resulting from the emission of substances similar to nitrogen oxides, sulfur dioxides in addition to other atmospheric pollution particles, will trigger upper respiratory tract Infections. The high silica -content rocks however, generate loads of dust in the process and continuous exposure near this dust, in respect to health experts, will trigger silicosis along with silico-tuberculosis.

Analyses executed in regions of coal mining, have been predominantly troubled with respiratory health issues caused by atmosphere pollution from mining activities. An evaluation was executed of long-term effects of exposure near atmosphere pollution in school kids. The predominance of pulmonary and ear, nose and throat problems was higher in the infected communities, yet a statistically noteworthy differentiation was barely observed for the symptom “wheezing in the chest”.

Soils Control International reports within the tradition of dust Suppression regarding Haul Road Dust Control in addition to Soil Stabilization Belize

Floor Sweepers and Floor Scrubbers from Tennant Features Tennant sweepers provide excellent debris pick up and dust control. They deliver superior, long lasting results even in the harshest environments with continuous up time and powerful sweeping performance.

Tennant sweepers control dust particles down to 3 microns. Tennant’s latest innovation, SweepSmart™, filters dust particles down to 0.5 microns.

1. Side brush sweeps debris into the path of the main broom
2. Skirt system creates a seal to maximise dust collection
3. Main broom contacts floor surface and flicks dust and debris into the hopper
4. Perma-Filter™ shifts airflow and forces the majority of dust, debris and moisture into hopper
5. Cyclonic filter system channels airflow to further remove dust and moisture from the air, redirecting it into the hopper
6. Nanofibre canister filter traps sub-micron dust particles resulting in clean air exhaust
7. The ErgoSpace™ operator compartment increases operator comfort, visibility and safety

Applications for Tennant Sweepers.

The Tennant SweepSmart™ system, available on the new S30 ride-on sweeper, uses a 3-stage dust control system for unrivalled performance.

* The first stage Perma-Filter™ keeps large bulky debris in the hopper
* The second stage cyclonic filter redirects fine dust and moisture back into the hopper
* The third stage flame-retardant nanofibre canister filter, filters sub-micron dust particles down to 0.5 microns

Benefits of the Sweepers

* Easy to use and it is built to last
* Extremely flexible, designed to clean a variety of surfaces indoors and out, without compromising performance
* Offers unparalleled safety with reduced noise levels, better sightlines and easy operation as well as significantly improved air quality

Tennant Industrial Sweepers include:

* 110 Walk-Behind Sweepers
* S8 Walk-Behind Sweepers
* S10 Walk-Behind Sweepers
* 3640 Walk-Behind Sweepers
* S12 Small Ride On Sweepers
* 6100 Small Ride On Sweepers
* 6200 Small Ride On Sweepers

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.

Read the rest of this entry »

The Occupational Safety and Health Administration (OSHA) is a useful resource on controlling dust. In Chapter 3 of the OSHA handbook, it explains why dust should be controlled, the various forms of dust control systems that are available, and how to select the correct one, and how to design a water spray system to limit the spread of dust.

Some reasons why dust should be controlled are to reduce and prevent the chance of dust explosions and fires. Also the reduction of accidents is greater with better visibility of the workplace. Reducing dust will also decrease the wear and tear on equipment and minimize the need for maintenance. For employees, less dust will require less protective gear that is needed as well as reduce the possibility of foul odors, which can have a negative effect on productivity.

Read the rest of this entry »

Here is the problem. When you use a dust suppression product like Top-Seal Dust Control, You cause the soil to become less permeable. Thus Causing the water in the lake to stay in the lake. Eventually you will Flood your Solar Farm and then it will just be a nice place to dive.

In Los Angeles, California, the city’s Department of Water and Power (DWP) is eyeing flat, dusty, arid Owens Lake as the potential site for a future mega-solar farm, but the initiative is focused less on clean, renewable solar energy than on preventing the interminable dust storms generated by the dry lake bed.

Owens Lake started to run dry when, in 1913, the city began diverting water from the Owens River. By 1926, the former lake was a shallow hardpan. Today, it ranks as the largest single source of PM10 dust (windborn dust particles smaller than 10 microns) in the United States. In fact, one estimate suggests the lake produces up to 8 million metric tons per year.

The DWP thinks that covering 616 acres of the lake bed with solar panels could cut down on dust storms, which threaten the health of nearby Keeler and Ridgecrest residents by delivering up to 23 times the amount of airborne particulate matter federal levels suggest as safe.

Read the rest of this entry »