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Što je dopirani aktivni ugljik?
Dopirani aktivni ugljik inovativni je filtracijski medij dizajniran tako da zadrži vrijednu unutarnju površinu i mikroporoznu strukturu aktivnog ugljika. To ga čini izuzetno učinkovitim u uklanjanju sumporovodika (H₂S).2S).
Tijekom proizvodnog procesa, dopirani aktivni ugljik prolazi kroz tretman koji mijenja njegova svojstva. Ovaj tretman ne samo da zadržava izvanrednu sposobnost adsorpcije aktivnog ugljika, već i uključuje specifične katalizatore prilagođene za učinkovitu desulfurizaciju.
This method replaces additional impregnation in the production stage and substantially improves the H2S removal characteristics of the carbon compared to traditional impregnated activated carbon. During production, these crucial catalysts are integrated into the activated carbon, ensuring an even distribution within every pellet. This approach also leaves the micropores untouched, preserving their capacity for both physical adsorption and chemical reactions.
What's the difference?
Activated carbons commonly used for desulfurization are often treated with compounds such as potassium iodide— which is placed afterwards in the pore structure— in order to enhance their capacity to adsorb H2S. Yet, the impregnation process impacts a significant portion of the internal surface area, which also impacts the functionality of the crucial micropores. Unfortunately, these micropores hold the highest potential for adsorbing H2S found in biogas.
Prednosti korištenja dopiranog aktivnog ugljika
Dopirani aktivni ugljik ima značajne prednosti u usporedbi s impregniranim ugljikom. Njegova niža nasipna gustoća smanjuje potrebu za čestim nadopunjavanjem, dok veći volumen mikropora povećava kapacitet opterećenja sumporom i adsorpcijski potencijal.
The higher sulfur loading capacity extends time between service intervals since the activated carbon does not need to changed as often. It also slows H2S breakthrough, providing more reaction time or allowing for a timely activated carbon replacement. The special catalyst also creates an ideal environment for accelerated chemical reactions, ensuring efficient filtration across operating conditions.
