【Basic Knowledge of Occupational Health】: Dust

“\"Dust\" is a general term used to refer to solid particulate matter that can remain suspended in the air for an extended period of time. Dust is a type of aerosol; tiny solid particles are actually dispersed in air, which serves as the colloidal medium for these solids. In production, dust that is generated as a result of the production process is called industrial dust. Among the occupational diseases caused by productive dusts, pneumoconiosis is the most severe. Other occupational lung diseases include cotton dust disease, which is caused by inhaling cotton, linen, or other such dusts; it manifests as chest tightness, shortness of breath, and/or coughing on the first day back to work after rest, and may be accompanied by acute changes in lung ventilation function. Smoking in combination with inhalation of cotton dust can lead to nonspecific chronic obstructive pulmonary disease ； Occupational allergic alveolitis is caused by the inhalation of plant-based dusts containing mold spores, such as dust from grass, grains, and bagasse. Patients often experience chills, fever, shortness of breath, and a dry cough 4 to 8 hours after exposure to these dusts; these symptoms resolve on their own after a day. Repeated episodes of acute symptoms can progress to a chronic condition, leading to irreversible fibrosis of the lung tissue and COPD ； Occupational asthma can occur after inhaling a variety of dusts (such as chromates, nickel sulfate, ammonium chloroplatinate, etc.).

Dust refers to solid particles suspended in the air; productive dust denotes solid particles that are generated during the production process and can remain suspended in the air for an extended period of time. There are many methods for classifying productive dusts. Based on their properties, dusts can be classified into two main categories: inorganic dusts and organic dusts. Based on the causes of occupational diseases, they can be classified into silica dust, coal dust, graphite dust, carbon black dust, asbestos dust, ceramic dust, talc dust, cement dust, mica dust, aluminum dust, welder’s dust, caster’s dust, and other dusts. These are significant occupational hazards that contaminate the working environment and harm the health of workers. Humans have worked in dusty environments for long periods, and inhaling dust into the lungs can cause various occupational lung diseases, among which the most harmful is pneumoconiosis. Pneumoconiosis can be divided into inorganic pneumoconiosis and organic pneumoconiosis depending on the type of dust inhaled. Pneumonia caused by inhaling inorganic dusts during productive labor is known as inorganic pneumoconiosis. Most pneumoconioses are inorganic pneumoconioses. Pneumonia caused by inhalation of organic dusts is known as organic dust pneumoconiosis, such as cotton pneumoconiosis and farmer’s lung. The twelve recognized types of pneumoconiosis in our country are: silicosis, coal worker’s pneumoconiosis, electrographite pneumoconiosis, carbon black pneumoconiosis, talc pneumoconiosis, cement pneumoconiosis, mica pneumoconiosis, potter’s pneumoconiosis, aluminum pneumoconiosis, welder’s pneumoconiosis, and foundry worker’s pneumoconiosis.

Coal dust, flour, and similar substances can easily lead to silicosis

Dust: refers to solid particles suspended in the air. Productive dust refers to solid particles that are formed during the production process and can remain suspended in the air for a long time. Diseases caused by dust: The most serious hazards associated with dust are the development of pneumoconiosis and silicosis. Prolonged exposure to dusty environments and polluted air can also cause other diseases. For example, allergic diseases such as bronchial asthma, asthmatic bronchitis, allergic cough, allergic asthma, eczema, and migraines.

Generally speaking, they are solid particles that are generated during the production process and can remain suspended in the air of the production environment for a long time. The hazards of occupational dust to the human body are multifaceted, but the most significant effects occur in the lungs. Depending on the nature and chemical composition of the dust, the damage to the lungs varies greatly. Based on the symptoms that appear after exposure, lung diseases caused by dust can be classified into three categories.

Dust is a general term used to refer to solid particles that can remain suspended in the air for an extended period of time. Productive dust refers to solid particles that are formed during the production process and can remain suspended in the air for a long time. It is an important occupational hazard that pollutes the working environment and damages workers’ health. Humans have worked in dusty environments for long periods of time, and the dust inhaled into the lungs can cause various occupational lung diseases; the most harmful of these is pneumoconiosis.

What is dust? What is productive dust? Diseases easily caused by dust: Dust refers to solid particles that exist in an aerosol form and can remain suspended in the air for a long time. Productive dust refers to solid particles generated in production and daily life that can remain suspended in the production environment for an extended period of time. Dust can easily cause diseases by irritating the respiratory tract, leading to respiratory inflammations such as rhinitis, pharyngitis, and bronchitis; in severe cases, it can result in pneumoconiosis. Employees working with dust should first ensure their own personal protection and undergo regular health check-ups.

Dust is a general term used to refer to solid particles that can remain suspended in the air for an extended period of time. Productive dust refers to solid particles that are formed during the production process and can remain suspended in the air for a long time. It is an important occupational hazard that pollutes the working environment and damages workers’ health. Humans have worked in dusty environments for long periods of time, and the dust inhaled into the lungs can cause various occupational lung diseases; the most harmful of these is pneumoconiosis.