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A Three-Step Scientific Approach to Removing Formaldehyde
2025-10-22
Formaldehyde is a common challenge in everyday life—every time a new home is freshly renovated or new furniture is purchased, the biggest concern is often whether formaldehyde or other harmful gases exceed safe levels. These toxic gases can cause significant harm to our health. So, how can we effectively remove formaldehyde? This article will provide a detailed explanation.
1. First, let’s find out what formaldehyde is?
As most people expect, furniture is a significant source of formaldehyde. In recent years, demand for furniture has increased in China, leading the furniture industry to increasingly replace natural wood with man-made boards. And as adhesives—key components in man-made board furniture—are primarily made from urea-formaldehyde resin, this material has become a major contributor to formaldehyde emissions.
The new edition of the "Indoor Air Quality Standard" stipulates that, after keeping doors and windows closed for 12 hours, the indoor formaldehyde level measured over a one-hour period should not exceed 0.1 mg/m³.
The "Code for Indoor Environmental Pollution Control in Civil Engineering Buildings" stipulates that, in environments such as residential homes, hospitals, elderly care facilities, kindergartens, and school classrooms, the average formaldehyde concentration detected within 7 days should not exceed 0.08 mg/m³.
2. What are the hazards of formaldehyde?
Formaldehyde concentrations exceeding 0.08 mg/m³ can cause symptoms such as redness and itching of the eyes, throat discomfort or pain, hoarseness, sneezing, chest tightness, wheezing, and dermatitis.
3. What are the methods for removing formaldehyde?
♦ Ventilation to Remove Formaldehyde
The ventilation method is simple: it uses air convection to replace formaldehyde in indoor air, making it convenient and quick.
♦ Green plants, pomelo peels, onion slices, and more to remove formaldehyde
Using certain green plants, such as ivy and aloe vera, does indeed have some air-purifying effects. However, the primary role of these plants is simply to enhance your environment and make the air feel fresher.
♦ Activated Carbon Adsorption for Formaldehyde Removal
Activated carbon adsorption is also an effective method. When air containing formaldehyde enters the pores of the activated carbon, the formaldehyde molecules are trapped by its tiny pore structure, thereby achieving the removal of formaldehyde.
So, the above three methods are currently widely applicable and highly effective ways available on the market. We hope these approaches can help those of you who are facing challenges.
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