Water Treatment Filter Media Selection Guide

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Technical Requirements for Water Treatment Filter Media

Water treatment filter media is a material used to purify water, which can remove impurities, suspended solids, particles, and harmful substances in the raw water to meet the water quality requirements of reverse osmosis membranes, thereby ensuring the stable operation of subsequent reverse osmosis systems.

Table 1: Coal-Based Activated Carbon
Item	Indicator
Floatability	≤ 10%
Moisture	≤ 5%
Strength	≥ 85%
Packing density	≥ 380 g/L
pH value	6 - 10
Iodine adsorption value	≥ 800 mg/g
Methylene blue adsorption value	≥ 120 mg/g
Phenol adsorption value	≥ 140 mg/g
Water solubility	≤ 0.4%

Table 1: Coal-Based Activated Carbon

Item

Indicator

Floatability

≤ 10%

Moisture

≤ 5%

Strength

≥ 85%

Packing density

≥ 380 g/L

pH value

6 - 10

Iodine adsorption value

≥ 800 mg/g

Methylene blue adsorption value

≥ 120 mg/g

Phenol adsorption value

≥ 140 mg/g

Water solubility

≤ 0.4%