Question 1

What raw material is your crushed coal-based activated carbon made from?

Accepted Answer

It is produced from high-quality bituminous coal via high-temperature steam activation, with stable carbon content, developed micropores and strong adsorption performance, free of harmful impurities after iron removal and purification.

Question 2

What particle sizes can you customize for this carbon?

Accepted Answer

We support full-size customization: 0.5-5mm particle grades and 4-80 mesh standards. All sizes can be screened separately to reduce fine powder, matching waste gas towers and water filtration equipment perfectly.

Question 3

What industries can this crushed coal carbon be applied to?

Accepted Answer

Widely used in industrial VOC waste gas treatment, printing & paint odor removal, electroplating wastewater purification, sewage decolorization, drinking water pretreatment and solvent recovery projects.

Question 4

How about the hardness and pulverization rate of your coal-based crushed carbon?

Accepted Answer

Our finished carbon has high mechanical strength and low breakage rate after special activation. Less fine powder will be generated during filling and operation, avoiding pipeline clogging and high system pressure drop.

Question 5

Can you provide test reports for the activated carbon?

Accepted Answer

Yes. We supply official inspection certificates covering iodine value, ash content, moisture, strength and particle size distribution for each batch, which meets domestic and international environmental project standards.

Question 6

Is this carbon reusable and regenerable after adsorption saturation?

Accepted Answer

Absolutely. Its stable pore structure supports thermal desorption regeneration repeatedly. After high-temperature regeneration, it can recover most adsorption capacity to cut long-term operating costs for factories.

Question 7

What's your standard packaging for bulk export orders?

Accepted Answer

Standard 500kg/1000kg moisture-proof black jumbo bags, wear-resistant for sea & land transportation. Custom small bag packaging is also available upon buyers' special requests.

Question 8

How do you guarantee stable quality for mass bulk orders?

Accepted Answer

We own a full automatic production line with crushing, screening and iron removal processes. Every batch adopts unified activation parameters to keep consistent iodine value and impurity indexes without obvious fluctuations.

Question 9

What's the minimum order quantity (MOQ) of crushed coal activated carbon?

Accepted Answer

The regular MOQ is one full 20GP container. Small trial orders with several jumbo bags are also acceptable for new clients to test product performance first.

Question 10

How long is your production & delivery lead time after deposit?

Accepted Answer

We keep large spot inventory in our warehouse. For regular sizes, delivery can be arranged within 3-7 working days. Custom special mesh sizes take about 7-10 days for production and screening.

Question 11

What iodine value can your carbon reach?

Accepted Answer

Standard iodine value 500-1200mg/g, adjustable as your demand, with rich micropores for strong adsorption.

Question 12

Will the carbon contain iron impurities?

Accepted Answer

We equip iron removal machines in production lines to cut metal content and avoid equipment corrosion.

Question 13

How to store the activated carbon properly?

Accepted Answer

Seal jumbo bags tightly, store in dry ventilated warehouse, avoid damp air to retain adsorption capacity.

Question 14

Can this carbon be mixed with other filter media?

Accepted Answer

Yes. Its irregular grains keep good void ratio, smooth gas/liquid flow without severe compaction.

Question 15

Advantage over columnar coal activated carbon?

Accepted Answer

Shorter diffusion path, faster VOC adsorption speed, more cost-effective for small & medium waste gas towers.

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