LV15017A - Levoglikozāna iegūšanas paņēmiens - Google Patents

Levoglikozāna iegūšanas paņēmiens

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Publication number
LV15017A
LV15017A LVP-13-190A LV130190A LV15017A LV 15017 A LV15017 A LV 15017A LV 130190 A LV130190 A LV 130190A LV 15017 A LV15017 A LV 15017A
Authority
LV
Latvia
Prior art keywords
levoglucosan
treated
acid
divinylbenzene
copolymer
Prior art date
Application number
LVP-13-190A
Other languages
English (en)
Other versions
LV15017B (lv
Inventor
Aivars ŽŪRIŅŠ
Baiba Spince
Kristīne Meile
Original Assignee
LATVIJAS VALSTS KOKSNES ĶĪMIJAS INSTITŪTS, Atvasināta publiska persona
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LATVIJAS VALSTS KOKSNES ĶĪMIJAS INSTITŪTS, Atvasināta publiska persona filed Critical LATVIJAS VALSTS KOKSNES ĶĪMIJAS INSTITŪTS, Atvasināta publiska persona
Priority to LVP-13-190A priority Critical patent/LV15017B/lv
Publication of LV15017A publication Critical patent/LV15017A/lv
Publication of LV15017B publication Critical patent/LV15017B/lv

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Abstract

Izgudrojums attiecas uz cukuru iegūšanas ķīmisko tehnoloģiju, respektīvi, uz levoglikozāna (1,6-anhidro-&bgr;-D-glikopiranozes) iegūšanas paņēmieniem. Saskaņā ar izgudrojumu pirolizē lignocelulozi saturošus materiālus, tos iepriekš apstrādājot ar minerālskābi, hidrolizē un ietvaicē iegūto kondensātu līdz pastas stāvoklim. Pēc tam iegūto pastu apstrādā ar organiskiem šķīdinātājiem, pievieno ūdeni un apstrādā ar vājas skābes katjonu apmaiņas (akrila-divinilbenzola kopolimēra) sveķiem, atdala levoglikozānu saturošo frakciju, kuru atkārtoti apstrādā ar stipras skābes katjonu apmaiņas (stirola-divinilbenzola kopolimēra) sveķiem. No šīs frakcijas izdala kristālus ar kādu no zināmiem paņēmieniem, iegūstot levoglikozāna papildu daudzumu.
LVP-13-190A 2013-11-26 2013-11-26 Levoglikozāna iegūšanas paņēmiens LV15017B (lv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LVP-13-190A LV15017B (lv) 2013-11-26 2013-11-26 Levoglikozāna iegūšanas paņēmiens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LVP-13-190A LV15017B (lv) 2013-11-26 2013-11-26 Levoglikozāna iegūšanas paņēmiens

Publications (2)

Publication Number Publication Date
LV15017A true LV15017A (lv) 2015-06-20
LV15017B LV15017B (lv) 2015-08-20

Family

ID=53379573

Family Applications (1)

Application Number Title Priority Date Filing Date
LVP-13-190A LV15017B (lv) 2013-11-26 2013-11-26 Levoglikozāna iegūšanas paņēmiens

Country Status (1)

Country Link
LV (1) LV15017B (lv)

Also Published As

Publication number Publication date
LV15017B (lv) 2015-08-20

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