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Dust-laden gas or air enters the baghouse through hoppers and is directed into the baghouse compartment. The gas is drawn through the bags, either on the inside or the outside depending on cleaning method, and a layer of dust accumulates on the filter media surface until air can no longer move through it.
Engineering controls such as wet methods, dust collectors, and improved HVAC systems can also be highly protective. Administrative measures such as shift rotations can also help reduce personal exposures to acceptable levels. Lastly, PPE can be an effective method of helping individual workers avoid inhaling harmful aerosols.
Engineering controls are the third most effective member of the hierarchy of hazard controls. They are preferred over administrative controls and personal protective equipment, but are less preferred than elimination or substitution of the hazards. Controlling exposures to occupational hazards is considered the fundamental method of protecting ...
Hierarchy of hazard control is a system used in industry to prioritize possible interventions to minimize or eliminate exposure to hazards. [ a ] It is a widely accepted system promoted by numerous safety organizations.
Dust collection is an online process for collecting any process-generated dust from the source point on a continuous basis. Dust collectors may be of single unit construction, or a collection of devices used to separate particulate matter from the process air. They are often used as an air pollution control device to maintain or improve air ...
This method allows particulates in the stream that may be prone to caking onto surfaces to be washed away and reduces the mechanical abrasion of particles hitting the throat at high speed. It is very effective for handling hot, dry inlet gases that contain dust , or particles which are abrasive or corrosive, such as kiln or furnace gases.
Engineering controls for nanomaterials are a set of hazard control methods and equipment for workers who interact with nanomaterials. Engineering controls are physical changes to the workplace that isolate workers from hazards, and are considered the most important set of methods for controlling the health and safety hazards of nanomaterials ...
Dust abatement refers to the process of inhibiting the creation of excess soil dust, a pollutant that contributes to excess levels of particulate matter. Frequently employed by local governments of arid climates such as those in the Southwest United States , dust abatement procedures may also be required in private construction as a condition ...