Test flokulacije na procesnih vzorcih proizvodnje Econyla

Tominc, Žiga (avtor), Plazl, Igor (mentor)

V diplomskem delu je bila raziskana uporaba flokulacije kot metoda odstranjevanja nečistoč v procesu regeneracije najlona Econyl. Testi so bili izvedeni na procesnih vzorcih poimenovanih A in B z dodatkom različnih vrst in koncentracij flokulantov. Največjo učinkovitost na vzorce B, kjer je bila anorganska suspenzija prisotna, sta pokazala kationska flokulanta EM C44 in EM C46, saj sta zmanjšala volumen usedline po centrifugiranju in pokazala najbolj izrazito ločitev trdne in tekoče faze. Učinki flokulanta EM C48 so bili omejeni, medtem ko CO 149, CO 404 in A100 niso pokazali vpliva na proces. Na vzorce A, kjer anorganska suspenzija še ni bila prisotna, pa ni vplival noben flokulant. Rezulati nakazujejo, da je flokulacija obetavna metoda za čiščenje kaprolaktama v postopku recikliranja najlona, vendar je potrebna optimizacija pogojev in izbira ustreznih flokulantov.

• Jezik: Slovenski jezik
• Ključne besede: flokulacija, flokulant, Econyl, najlon 6, recikliranje
• Vrsta gradiva: Diplomsko delo/naloga
• Tipologija: 2.11 - Diplomsko delo
• Organizacija: FKKT - Fakulteta za kemijo in kemijsko tehnologijo
• Leto izida: 2025
• PID: 20.500.12556/RUL-172659
• COBISS.SI-ID: 256378883
• Datum objave v RUL: 10.09.2025

Sekundarni jezik

• Jezik: Angleški jezik
• Naslov: Flocculation test on process samples from Econyl production

Izvleček

In this thesis we investigated the use of flocculation as a method for removing impurities in the Econyl process of nylon regeneration. Experiments were conducted on process samples, named A and B, with the addition of different kinds and concentrations of flocculants. The highest efficacy for samples B, where an inorganic suspension was present, was shown with the cationic flocculants EM C44 and EM C46, which reduced the sludge volume and enabled the clearest separation of the solid and liquid phases. The effect of flocculant EM C48 were limited, while CO 149, CO 404 and A100 were ineffective. For samples A, where an inorganic sludge was not yet present, flocculation was not achieved. The results conclude that flocculation is a promising method for caprolactam purification in nylon recycling but requires further optimization of conditions and the selection of suitable flocculants.

• Ključne besede: flocculation, flocculant, Econyl, nylon 6, recycling