SUPERKRITIČNI METANOL PROCES PROIZVODNJA BIODIZELA

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Presentation transcript:

SUPERKRITIČNI METANOL PROCES PROIZVODNJA BIODIZELA Marijan Keserica dipl.ing.stroj. smjer energetska postrojenja Vitrex d.o.o Virovitica vitrex@vt.htnet.hr svibanj 16. 2009.

POSTOJEĆE POSTROJENJE fotografija iz faze izgradnje 2006. god.

U TVRTKI VITREX d.o.o. VIROVITICA INSTALIRAN JE STANDARDNI POGON ZA PROIZVODNJU BIOGORIVA TIJEKOM PROIZVODNJE UVIDJELO SE DA TO POSTROJENJE NIJE U MOGUĆNOSTI PRERAĐIVATI MASTI UKAZALA SE POTREBA ZA IZGRADNJOM POGONA KOJI ĆE SUPERKRITIČNOM METODOM METANOLA PRERAĐIVATI ULJA I MASTI U BIODIZEL

DIJAGRAM PT ZA METANOL ponaša se kao plin - prodire u nadublje pore medija ponaša se i kao tekućina –odlično otapalo

Tretira FFA i Trigliceride Nema katalizatora Nema ispiranja vodom PREDNOSTI Tretira FFA i Trigliceride Nema katalizatora Nema ispiranja vodom Jednostavno odvajanje produkata Kratko vrijeme trajanja procesa (1-30 min)

Visok omjer metanola i ulja MANE Visoki pritisci Visoke temperature Visok omjer metanola i ulja

Poboljšanje procesa uvođenjem CO2 kao co-otapala Co-otapalo smanjuje: operativnu temperaturu tlaka molarne omjere alkohola, ulja i CO2 (24:1:0,1) težinu uvjeta potrebnih za superkritičnu reakciju Proces traje 20 minuta u reaktoru uz pritisak od 9 bara i 280 C Proizvodni proces je ekološki

SUPERKRITIČNI METANOL PROCES ZA PRIZVODNJU BIODIZELA (metil ester) destilaciona kolona SHEMATSKI PRIKAZ

OVIM PROCESOM POSTIŽE SE 11/19/2018 OVIM PROCESOM POSTIŽE SE KVALITETA BIODIZELA PREMA STANDARDU HRN EN 14 214 PLANIRANI KAPACITET POSTROJENJA 25000 t/godišnje cijena izrade novog postrojenja cca 3000 kn/t A “mono-alkyl ester” is the product of the reaction of a straight chain alcohol, such as methanol or ethanol, with a fat or oil (triglyceride) to form glycerol (glycerin) and the esters of long chain fatty acids. Biodiesel can be used as B 100 (neat) or in a blend with petroleum diesel. A blend of 20 % biodiesel with 80 % petrodiesel, by volume, is termed “B 20”. A blend of 2 % biodiesel with 98 % petrodiesel is “ B 2”, and so on.

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