The Activated Carbon Filter is a high-performance industrial depth filtration and purification system designed to target and remove soluble organic contaminants, free chlorine, residual ozone, color, odor, taste, and trace harmful impurities from water sources — a critical post-filtration or pre-treatment solution that complements traditional media filters (like quartz sand and walnut shell filters) to achieve ultra-pure water quality. Unlike mechanical filtration devices that only trap suspended solids, this unit uses premium granular activated carbon (GAC) as the core filtration medium, relying on the carbon’s ultra-high specific surface area and porous adsorption structure to physically and chemically adsorb dissolved pollutants that standard filters cannot eliminate.
Available in both fully automatic and manual operation configurations, this filter features a heavy-duty pressure tank constructed from corrosion-resistant materials, suitable for long-term operation in municipal, industrial, and commercial water treatment environments. Automatic models are equipped with an intelligent control system that triggers backwashing based on preset pressure differential or timer settings, preventing carbon bed clogging and extending service life; manual models use simple valve operation for small-scale or low-flow purification needs. Ideal for 24/7 continuous operation, it serves as a vital pre-treatment step to protect sensitive downstream equipment (such as RO membranes, ultrafiltration modules, and ion exchange resins) from chlorine damage and organic fouling, and supports single-unit or parallel multi-unit installation to match large-flow water purification demands.
Core Technical Features
This activated carbon filter complies with global industrial and drinking water treatment standards, offering standardized specifications and fully customizable configurations to adapt to diverse water purification scenarios. Core technical parameters and functional details are clearly listed in the table below for quick reference and customer comparison:
Technical Feature | Specification & Design Details | Core Operational Function |
|---|
Filtration Medium | Premium granular activated carbon (GAC): nut shell carbon (high adsorption), coal-based carbon (cost-effective), coconut shell carbon (food-grade); particle size 1–4mm; high specific surface area >800㎡/g | Ultra-strong adsorption of organic matter, free chlorine, color, odor, and trace impurities; stable adsorption performance, low pressure drop |
Purification Performance | Free chlorine removal rate ≥99%; effluent turbidity ≤1NTU; removes volatile organic compounds (VOCs), phenols, and pesticide residues; optional catalytic carbon for chloramine removal | Eliminates unpleasant taste and odor, meets drinking water and industrial process water purity standards, protects downstream membrane systems |
Tank Material | FRP (fiberglass reinforced plastic), SS304, SS316L, carbon steel with epoxy lining; food-grade compliant options available | Corrosion-resistant, rust-proof, non-polluting to water sources; adapts to neutral, weakly acidic, and weakly alkaline water conditions |
Operating Parameters | Design pressure 0.1–1.0MPa; working temperature 0–60°C; filtration flow rate 5–1000m³/h (customizable); empty bed contact time (EBCT) 5–15 minutes | Stable operation under conventional water treatment conditions; adjustable contact time to ensure full adsorption efficiency |
Backwashing System | Water backwash (air-water combined backwash optional); automatic/timer/pressure differential control; backwash duration 5–8 minutes | Removes accumulated suspended solids in the carbon bed, prevents channeling and clogging, restores adsorption capacity, extends carbon service life |
Control Mode | Fully automatic (digital control panel, fault alarm) / manual ball valve operation; optional multi-unit linkage control | Automatic models require minimal manual supervision; manual models offer low-cost, simple operation for small-scale applications |
Key Product Advantages
Unmatched Depth Purification Capacity: Unlike mechanical filters that only target suspended solids, activated carbon provides comprehensive purification by adsorbing dissolved organic compounds, free chlorine, color, odor, and trace harmful substances. It effectively eliminates the “chemical taste” of chlorinated tap water and meets strict quality standards for drinking water, food processing, and pharmaceutical water.
Superior Protection for Downstream Equipment: Free chlorine is highly corrosive to RO membranes, ultrafiltration membranes, and ion exchange resins, drastically shortening their service life. This filter removes 99% of free chlorine before water enters downstream equipment, preventing oxidative damage, reducing maintenance frequency, and extending the lifespan of high-value water treatment components.
Long Service Life & Low Operating Costs: High-quality granular activated carbon has a service life of 1–3 years under normal operating conditions, depending on influent water quality. Regular backwashing prevents premature clogging and avoids frequent carbon replacement. Compared to disposable filter cartridges, it delivers significant long-term cost savings with minimal consumable expenses.
Wide Water Source Compatibility: Suitable for nearly all water types requiring depth purification, including municipal tap water, groundwater, surface water, industrial process water, and post-biochemical treatment wastewater. It works seamlessly as a post-treatment unit after quartz sand or walnut shell filters, forming a complete water treatment system.
Flexible Configuration & Easy Installation: Available in vertical compact and horizontal large-flow designs to fit different installation spaces. Supports flange or threaded pipeline connections, with simple commissioning steps. Customizable carbon type, tank material, and flow rate options are available to meet specific industrial, commercial, or municipal needs.
Food-Grade & Eco-Friendly Option: Coconut shell activated carbon models are fully food-grade compliant, making them safe for food and beverage, drinking water, and pharmaceutical applications. The activated carbon medium is non-toxic and recyclable, producing no secondary pollution and aligning with global environmental protection standards.
Low Maintenance & User-Friendly Operation: Automatic models run independently with self-triggered backwashing, requiring only routine visual inspections. Manual models involve simple valve operation, with no complex technical training needed for on-site staff, reducing labor and management costs.
Application Areas
The Activated Carbon Filter is a universal depth water purification solution widely used across municipal, industrial, commercial, and residential sectors, serving as both pre-treatment and final polishing filtration. Key application fields include:
Municipal & Drinking Water Treatment: Tap water dechlorination, odor and color removal, community drinking water purification, groundwater drinking treatment, small-scale water supply projects
Membrane System Pre-Treatment: Reverse osmosis (RO), nanofiltration (NF), and ultrafiltration (UF) system front-end dechlorination and organic matter removal, protecting membrane modules from oxidation and fouling
Food & Beverage Industry: Production process water purification, drinking water for food processing, beverage and brewing water treatment, edible oil processing water deodorization
Pharmaceutical & Cosmetic Industry: Purified water pretreatment, cosmetic formulation water purification, removal of organic impurities and residual chlorine
Chemical & Petrochemical Industry: Industrial process water dechlorination, wastewater depth purification, removal of volatile organic compounds (VOCs) and phenols
Commercial & Recreational Water: Swimming pool and spa water dechlorination and deodorization, hotel and commercial building domestic water purification, aquarium water treatment
Industrial Circulating Water & Wastewater: Cooling circulating water purification, printing and dyeing wastewater decolorization, biochemical wastewater post-treatment, reuse water polishing filtration
Frequently Asked Questions (FAQ)
1. How often does the activated carbon medium need to be replaced?
Under normal water quality conditions, premium granular activated carbon has a service life of 1–3 years. Replacement frequency depends on influent contaminant levels: higher chlorine or organic matter content will shorten service life. We recommend testing effluent chlorine content regularly; replacement is needed when chlorine removal efficiency drops below 90%. Automatic backwashing can effectively extend the carbon’s usable life by preventing clogging.
2. What’s the difference between activated carbon filters and quartz sand filters?
Quartz sand filters are mechanical filtration devices that only remove suspended solids, sediment, and turbidity, with no ability to adsorb dissolved contaminants. Activated carbon filters focus on depth purification, removing dissolved organic matter, free chlorine, odor, color, and trace impurities — they are typically used after quartz sand filters for secondary purification, rather than replacing them.
3. Will backwashing affect the adsorption performance of activated carbon?
Backwashing only removes suspended solids trapped in the carbon bed and prevents channeling; it does not wash away the adsorbed pollutants or damage the carbon’s porous structure. Proper regular backwashing actually improves adsorption efficiency by keeping the carbon bed loose and uniform. Full replacement is only required when the carbon’s adsorption sites are fully saturated, not after routine backwashing.
4. Is this filter suitable for highly acidic or alkaline water?
This activated carbon filter performs optimally in neutral to weakly acidic/alkaline water (pH 5.5–9.5). Highly acidic (pH <5) or highly alkaline (pH >10) water will damage the carbon structure and reduce adsorption efficiency. For extreme pH water sources, we recommend pre-neutralization treatment or custom corrosion-resistant tank and carbon configurations.
5. Do I need professional installation and daily maintenance for this filter?
No professional installation team is required — we provide a detailed installation manual, pipeline diagram, and operation guide, allowing on-site technicians to complete installation and commissioning quickly. Daily maintenance is minimal: automatic models only require periodic checks of the control panel and backwashing system; manual models need regular valve inspections and scheduled backwashing. No dedicated full-time operators are needed for daily operation.
Manganese Sand Filter
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