Wastewater

About Wastewater

Wastewater treatment chemicals are essential for removing contaminants, adjusting pH, and meeting discharge regulations in municipal and industrial facilities. These specialized chemicals enable effective treatment across primary, secondary, and tertiary processes while ensuring compliance with environmental standards.

Common Applications

Primary Treatment: Coagulation and flocculation to remove suspended solids and turbidity
pH Control: Neutralization of acidic or alkaline wastewater streams before discharge
Phosphorus Removal: Chemical precipitation to meet nutrient discharge limits
Heavy Metal Precipitation: Treatment of industrial wastewater containing copper, zinc, nickel, and other metals
Dechlorination: Neutralizing residual chlorine before discharge to protect aquatic life
Sludge Conditioning: Improving dewatering efficiency and reducing disposal volumes

What We Carry

Our wastewater treatment collection includes coagulants like aluminum sulfate and ferric chloride in liquid concentrations from 15-40%, pH adjusters including hydrochloric and sulfuric acids, and specialty chemicals for dechlorination and metal removal. Products are available in technical, reagent, and ACS grades depending on your application requirements.

For phosphorus removal guidance, see our aluminum sulfate dosing article. Industrial facilities can learn about cost-effective alum treatment for metal finishing wastewater. For dechlorination applications, our sodium bisulfite guide provides dosing calculations and safety considerations.

Pack Sizes Available

We stock wastewater chemicals in quarts, gallons, 5-gallon pails, 55-gallon drums, and 275-gallon totes to match your facility's consumption rates and storage capabilities.

Every order includes complete SDS and COA documentation for regulatory compliance. We offer same-day shipping with no minimum order requirements, plus technical support for dosing optimization and product selection to help you achieve consistent treatment results.

✓ SDS Included ✓ COA Available ⚡ Same-Day Shipping ★ No Minimum Order

Frequently Asked Questions

What chemicals are commonly used for pH adjustment in wastewater treatment?

Common chemicals for pH adjustment in wastewater include sodium hydroxide (caustic soda) for raising pH and sulfuric acid or hydrochloric acid for lowering pH. The selection depends on the specific wastewater characteristics and treatment goals. Alliance Chemical supplies a range of pH adjusters in various concentrations to meet diverse needs.

How do coagulants and flocculants work in wastewater treatment?

Coagulants neutralize the charges of suspended solids in wastewater, causing them to clump together. Flocculants then bind these clumps into larger, more easily settled flocs. This process helps to clarify the water and remove pollutants. Alliance Chemical offers a variety of coagulants and flocculants tailored to different wastewater compositions.

What are some common disinfectants used in wastewater treatment?

Chlorine, sodium hypochlorite (bleach), and ultraviolet (UV) radiation are all common disinfectants used to kill pathogens in wastewater. Peracetic acid is also becoming popular as it is more effective on some pathogens. The choice of disinfectant depends on the specific pathogens being targeted and regulatory requirements. Alliance Chemical provides chlorine and sodium hypochlorite, amongst other disinfectants, for effective wastewater disinfection.

How is heavy metal precipitation achieved in wastewater?

Heavy metal precipitation involves adding chemicals, such as sodium sulfide or ferrous sulfate, to wastewater to convert dissolved heavy metals into insoluble precipitates. These precipitates can then be removed through sedimentation or filtration. Alliance Chemical offers a range of chemicals suitable for effective heavy metal removal from wastewater, with expert guidance on dosage and application.

What is the role of sodium bisulfite in wastewater dechlorination?

Sodium bisulfite is used to neutralize chlorine residuals in wastewater before discharge to the environment. It reacts with chlorine to form harmless chlorides, preventing the harmful effects of chlorine on aquatic life. Alliance Chemical supplies sodium bisulfite in various grades and concentrations for effective and safe dechlorination.

What are the safety precautions when handling wastewater treatment chemicals?

Always wear appropriate personal protective equipment (PPE) such as gloves, eye protection, and respirators when handling wastewater treatment chemicals. Ensure adequate ventilation and follow all safety guidelines provided in the Safety Data Sheet (SDS). Alliance Chemical provides SDS documents for all its products and encourages safe handling practices.

Which grade of Aluminum Sulfate is best for wastewater treatment?

Aluminum sulfate used in wastewater treatment is typically technical grade, although some applications may require a more refined grade. The specific grade will depend on the purity requirements of the application and any regulatory restrictions. Alliance Chemical offers aluminum sulfate in multiple grades to suit a variety of applications.

How should I store chemicals used for wastewater treatment?

Store wastewater treatment chemicals in tightly sealed containers in a cool, dry, and well-ventilated area away from incompatible materials. Follow specific storage instructions on the product label and SDS. Proper storage is essential to maintain product quality and prevent accidents. Refer to Alliance Chemical's chemical storage guides on the blog for more information.

How much does Aluminum Sulfate cost for wastewater treatment?

The price of Aluminum Sulfate varies based on the grade of the chemical and the concentration needed for a specific process. Bulk discounts are often available. Contact Alliance Chemical directly to get a custom quote.

Guides & Resources

Aluminum Sulfate in Metal Fabrication: How Shops Use Alum to Treat Wastewater and Cut Disposal Costs

Read article →

Ferric Chloride vs. Alum: The 2025 Coagulant Showdown for Your Plant

Read article →

An Engineer's Guide to Sodium Bisulfite for Dechlorination

Read article →

Ferric Chloride: Essential Uses, Benefits, and Safety in PCB Etching & Water Treatment

Read article →

Ultimate Guide to Water Treatment Chemicals: Industrial, Municipal & Pool Care

Read article →

From Cloudy to Clear: The Essential Role of Aluminum Sulfate in Coagulation & Flocculation

Read article →

Industries Using Wastewater

See how wastewater products are used across different industries.