
Human beings live in an environment full of sound, through which they talk and express their thoughts and feelings. But some sounds will also bring harm to human beings, for example, the deafening sound of machinery, roaring sound of aircraft, and so on. These sounds which are not needed in people's life and work are called noise. Noise pollution has become one of the most serious problems in environmental pollution, which not only affects people's normal work, study and life, but also bring harm to the health of body and mind.
Alfa Chemistry has been in the noise control business for many years, focusing on providing a full range of solutions for noise control. Alfa Chemistry is the most trusted partner of customers who are trying to minimize noise levels. We will do our best to reduce noise levels and bring quiet and comfortable environment to people. If you need to solve the noise pollution, please contact us.
Noise Control Methods
There are three ways to control noise and the details are as follows.

Control of the sound source
The method mainly includes improving the equipment technology of the noise source, improving the assembly accuracy of the equipment and other measures to reduce the noise produced by the equipment fundamentally.

Take protective measures at the receiving point
The receiving point refers to the protection target, usually the human body. At present, noise-canceling earplugs are commonly used to deal with noise in this way.
Noise control in the route of transmission

This method mainly includes sound insulation, sound absorption, noise elimination and vibration reduction. Sound insulation is the use of soundproofing materials to separate noise source from human beings; Sound absorption is the use of sound absorbing materials to absorb sound waves generated by noise; Noise elimination usually refers to noise control using a muffler, a device that allows air to pass through while effectively reducing noise; Vibration reduction refers to cut off the rigid connection between the noise source equipment and the supporting structure.
Generally, although the first and second methods are feasible, they both have certain limitations in the actual operation process. The third method has the advantages of simple operation and obvious effect, and is widely used in noise control at present.
Our Services
Alfa Chemistry can provide a series of noise control services, including:
- Noise surveys and sound exposure assessments
- Noise control solution development
- Noise control equipment installation consulting
- Acoustic materials specification review and development
We also provide one-stop service for noise control from the initial technical analysis, specification through purchase of materials, complete installation, and final verification of the results. We provide customized solution of noise control for each projects.
Our service ranges include:
- Industrial field: Power, cement, steel, coal chemical, automobile manufacturing, oil, building etc.
- Civil field: restaurants, venues, community centers, school districts, offices, retailers, and private property owners.
- Traffic field: Railways, urban rail transit, municipal roads, highways, etc.
Our Advantages

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Alfa Chemistry is a professional environmental governance company, specializing in noise control for industrial and commercial applications. Our staff consists of licensed professional engineers, acousticians and installers, who has experience with a broad range of industries and challenges and can solve virtually any noise problem, leading us to take on projects around the world. We will work in any commercial, industrial, or residential environment, anywhere in the world. If you have any demands, please feel free to contact us.
Our products and services are for research use only.