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Technical library

Activated Carbon Buying Guides, ASTM Lab Standards & Factory Insights

Practical engineering guides, ASTM parameter comparisons, brand cross-reference tables, and sourcing checklists for bulk activated carbon buyers.

Browse by topicTDS & sample COA downloads
Guides & explainers
20
Topics
6
Brand cross-reference guides
4
Last updated
2026-11-08

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Recent engineering and buying references from the DXD Carbon library.

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Newest first within each topic. Each topic links to the application guide or tool it supports.

Water treatment 2

GAC and PAC for drinking, surface and process water: raw material, mesh, contact time and filter fit.

  1. Coal-Based vs. Coconut Shell GAC for PFAS, TOC & Municipal Water Treatment 12 min read →
  2. Activated Carbon Water Filter Media: GAC Specs and System-Fit Checklist 6 min read →
Water treatment application guide

Air & gas treatment 1

Pellet diameter, CTC activity and pressure drop for VOC, odor and process-gas beds.

  1. Extruded Pellet Activated Carbon Sizing (1.5mm, 3mm, 4mm & 6mm): Bed Pressure Drop, CTC Activity & VOC Abatement Guide 11 min read →
Air & VOC application guide Industrial gas application guide

Gold recovery 1

Hardness, mesh retention and adsorption kinetics for CIL, CIP and CIC circuits.

  1. Gold Recovery Activated Carbon Selection: CIL/CIP Attrition Hardness, Mesh Retention & K/R Kinetics 9 min read →
Gold recovery application guide

Decolorization & process liquids 2

Powdered carbon for food, fine-chemical and other process liquids: color indexes, dosing and filtration.

  1. Selecting Decolorization Powdered Activated Carbon (PAC): Methylene Blue, Caramel A-Grade & Molasses Number Guide 11 min read →
  2. Powder Activated Carbon for Process Liquids and Treatment Systems 6 min read →
Food & beverage application guide

Selection & testing 7

How activated carbon works, how GAC, PAC and pellets differ, and what each COA test measures.

  1. Auditing Activated Carbon COAs from China: GB/T 7702 & GB/T 12496 vs. ASTM International Test Methods Crosswalk 11 min read →
  2. Activated Carbon Laboratory Testing Guide: ASTM D4607 Iodine, Methylene Blue, CTC & Ball-Pan Hardness Explained 10 min read →
  3. Novolac-Derived Activated Carbon Compared with Conventional Activated Carbon 5 min read →
  4. What Is Activated Carbon and How Does Adsorption Work? 6 min read →
  5. Coconut Shell Activated Carbon: Application Fit, Forms, and Buying Checks 5 min read →
  6. Granular Activated Carbon (GAC): Uses, Filters, and Selection Guide 5 min read →
  7. Powdered Activated Carbon (PAC): Dosing, Specs, and Selection Criteria 5 min read →
Compare product specifications TDS & sample COA downloads

Sourcing & cross-reference 7

Cross-reference named grades, shortlist suppliers and prepare bulk RFQs.

  1. Jacobi Carbons Equivalents for Industrial Buyers: Specifying Direct-Kiln Alternatives to AquaSorb, EcoSorb, GoldSorb & ColorSorb 11 min read →
  2. Calgon Carbon Equivalents & Bulk Alternatives: Technical Crosswalk for Filtrasorb 300/400, OLC 12x40, AP4-60 & GRC-22 11 min read →
  3. Calgon, Norit & Jacobi Activated Carbon Cross-Reference: How to Specify Equivalent Bulk Grades 9 min read →
  4. Norit Activated Carbon Alternatives for Industrial Buyers 7 min read →
  5. Activated Carbon Suppliers: Turn a Broad Search Into an RFQ-Ready Shortlist 7 min read →
  6. Bulk Activated Carbon Buying Guide: Compare Forms, Packaging, Documents, and Repeat Orders 5 min read →
  7. Activated Carbon Guide for B2B Filtration: Uses, Formats, Specs, and Sourcing 7 min read →
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ApplicationsGrade matching by applicationFive application guides with duties, sizing and the tests that go on the COA. ProductsCompare six product linesRaw material, form, sizing and key indexes side by side. DocumentsTDS & sample COA downloadsA technical data sheet with an illustrative COA reference for every line.
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