Product 02 ยท PAC
Powdered Activated Carbon
Powdered activated carbon is activated carbon ground to a fine powder. It is mixed directly into a liquid, where its small particle size gives fast contact, and is then removed by settling or filtration.
- Form
- Fine powder
- Grades
- Multiple, matched to application
- Documentation
- Available on request
- Packaging
- Confirmed with each quote
Quick answer
What is powdered activated carbon used for?
Powdered activated carbon (PAC) is dosed directly into a liquid to adsorb colour and organic impurities, then removed by filtration or settling. It is used for decolourisation in pharmaceutical and bulk drug processing, for purifying syrups and oils, and for intermittent dosing in water treatment.
Product overview
PAC is the usual choice for batch treatment and for dosing that can be started, stopped or adjusted as conditions change. Typical uses include decolourising reaction masses and solutions, and dosing into water when taste, odour or organic load rises.
Harshil Enterprises offers washed PAC, which is acid and water washed for higher purity and lower ash, and unwashed PAC for applications where standard purity is sufficient. Grades and specifications are matched to your application.
How PAC treatment works
- 01
Dose
A measured quantity of powder is charged into the liquid or dosed into the water stream.
- 02
Contact
The liquid is mixed so the fine carbon contacts it fully, for a set time.
- 03
Separate
Carbon is removed by filtration, usually with a filter aid, or by settling.
- 04
Clear product
The purified liquid moves to the next stage of the process.
Key applications
Decolourisation
Removal of colour bodies and impurities from solutions and reaction masses in batch processes.
Pharmaceuticals and bulk drugs
Carbon treatment steps in the purification of intermediates and APIs, followed by filtration.
Water treatment dosing
Dosed ahead of clarification or filtration to address taste, odour and organic compounds.
Food and agro processing
Purification and decolourisation of syrups, oils and process liquors.
Washed or unwashed PAC?
| Washed PAC | Unwashed PAC | |
|---|---|---|
| Treatment | Acid and water washed after activation | Used as activated |
| Ash and soluble matter | Lower | Standard |
| Typical use | Pharmaceuticals, bulk drugs, sensitive processes | Water treatment and general purification |
Industries served
Available grades and specifications
Grades are selected for your application. Parameters commonly specified for powdered activated carbon include:
- Washed or unwashed
- Particle size
- Methylene blue value
- Iodine value
- Ash content
- Acid soluble matter
- Moisture
- pH
Choosing a grade: what to tell us
- What must be removed: colour, odour, trace organics
- Solvent, temperature and pH of the liquid
- Washed or unwashed, depending on purity needs
- How carbon will be separated afterwards
- Dose, best confirmed with a trial
Technical specifications available on request.
Tell us your application and the specification you work to, and we will share details for suitable grades.
Packaging
Packaging depends on the grade and quantity and is confirmed with each quote. Let us know your preferred pack size and handling requirements when you enquire.
Technical information
Technical data sheets and supporting documentation for each grade are shared on request.
Frequently asked questions
What is the difference between washed and unwashed PAC?
Washed PAC is treated with acid and water after activation to remove soluble ash and impurities. It is used where purity matters, such as pharmaceutical processing. Unwashed PAC suits applications where standard purity is sufficient.
How is PAC removed after treatment?
Usually by filtration, often with a filter aid to keep fine carbon out of the filtrate and maintain flow, or by settling in water treatment.
How much PAC should I dose?
Dose depends on the liquid, the impurity and the result you need, and is usually confirmed by trials. We can share grade information to support your trials.
Request product information
Share your application and requirement for powdered activated carbon. Our team will help you identify a suitable grade.
Prefer to talk? +91 98205 22171
