WASTE WATER TREATMENT CHEMICALS Xử lý môi trường, Xử lý chất thải công nghiệp, xử lý nước thải - Văn Lang - Đồng Hành Vì Màu Xanh
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WASTE WATER TREATMENT CHEMICALS

Wastewater treatment chemical is the common name of chemicals that can purify domestic wastewater sources, factories before being discharged into the environment.

There are many different types of waste water treatment chemicals such as: flocculation chemicals (alum sulfate, iron alum, ...), decolorants, deodorant, pH adjustment chemicals, chemical-aided sedimentation, disinfectant chemicals,…. Depending on the purpose of treatment and different water sources that we choose each suitable water treatment chemicals.

1. What is wastewater treatment chemicals

Wastewater treatment chemical is the common name of chemicals that can purify domestic wastewater sources, factories before being discharged into the environment.

There are many different types of waste water treatment chemicals such as: flocculation chemicals (alum sulfate, iron alum, ...), decolorants, deodorant, pH adjustment chemicals, chemical-aided sedimentation, disinfectant chemicals,…. Depending on the purpose of treatment and different water sources that we choose each suitable water treatment chemicals.

 

2. Common types of wastewater treatment chemicals

8 most commonly used chemicals for wastewater treatment

2.1. Chemicals wastewater that treat polymer anion, polymer cation

A white, odorless, highly hygroscopic granular water-soluble compound used to increase the viscosity to assist the flocculation. When adding Polymer to water, broken colloidal particles will stick together into small cotton, then form into larger clusters.

2.2 Wastewater treatment chemical: Al2(SO4)3 – Phèn Nhôm

 

Mechanism of aluminum alum flocculation: When aluminum alum is used as a flocculation agent, a hydrolysis reaction will occur.

Notices when using aluminum alum: the optimal pH is 5.5 - 7.5; The temperature of water is about 20 - 40 0 C. Besides, should pay attention to: ionic components in water, organic compounds, alum dosage.

2.3. Wastewater treatment chemical: Iron alum - Fe2(SO4)3.nH2O

Iron salts are not popular in Vietnam but very popular in industrialized countries. The chemistry of iron salts such as aluminum salts, when hydrolyzed, creates acidity. Hydrolyzed ferric alum is less affected by temperature. Optimal pH zone 5 - 9.

2.4. Wastewater treatment chemical: PAC - Poly Alumium Chloride

General formula of PAC is [Al2(OH)nCl6.nxH2O]m.

PACs usually has yellow color, are easily soluble in water, transparent, with a strong effect on hygroscopicity.

 

2.5.  Wastewater treatment chemical: Decolorization chemicals

A polymeric polymer compound which is researched and produced for industrial applications generating colored wastewater, the form of a transparent solution. Chemical color reducing agent has another name: wastewater color treatment agent, Decoloring Agent, Decoloring Agent  of textile dyeing ...

 

2.6. PH adjustment chemicals for wastewater treatment 

pH affects a lot in biological treatment. Therefore, adjusting the pH to an appropriate level is necessary in the wastewater treatment process. PH adjustment is mainly the addition of an alkaline or acid solution. Common chemicals for pH adjustment are sodium hydroxide NaOH and H2SO4.

 

Natri hidroxide (NaOH)

Acid sulfuric (H2SO4)

 

2.7. Wastewater treatment chemical: Hydro Peroxide H2O2 

Hydrogen Peroxide has the chemical formula is H2O2, which is a transparent liquid, slightly more viscous than water, with strong oxidizing properties. As wastewater treatment chemicals, hydrogen peroxide is used in a number of processes to remove organic impurities. This is achieved by advanced oxidation, such as the Fenton reaction, which uses it to produce highly active hydroxyl radicals (-OH).

 

2.8. Wastewater disinfection chemicals

Disinfection is the last step in  the wastewater treatment system  and is also an important step in the treatment system. Chemicals used to disinfect are quite plentiful, mainly are: Chlorine, Javen water,….

Javen

Chlorine

 

3. The most reputable place selling wastewater treatment chemicals

You are wondering where to buy waste water treatment chemicals? Come to Van Lang Environmental Company! With over 20 years of experience in the environmental industry, being a reputable supplier of waste water treatment chemicals, has been using chemicals for our own wastewater treatment. Specializes in distributing wastewater treatment chemicals, supplying chemicals for operating wastewater treatment systems, reputable chemicals for treating wastewater and selling cheapest chemicals.

For consultancy on wastewater treatment chemicals, instructions on water treatment, operation of wastewater treatment systems, please contact:

Van Lang Environment Company

Address: 1/1, 5 Street, Ward 7, Go Vap District, HCMC.

Hotline: 0946 758 660 - Mr. Hieu or 0918 203 065 - Mr. Long

Email: vanlang@vlc.vn -  congtymoitruongvanlang@gmail.com

Website: vlc.vn

Fanpage: facebook.com/vlc.vn

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