LV11950B - Process for producing of furfural and acetic acid - Google Patents

Abstract

This invention pertains to the industrial production of furfural and acetic acid from different raw materials containing pentosan, e.g., foliferous wood. The raw material is to be ground to the technological size of chip and moistened with catalytic liquid containing organic acids, sulphuric acid and/or salt or a mixture of salts, which create cations with a charge of no less than two when dissociated, and then processed with the water steam flow under increased pressure. The suggested catalyst composition makes it possible to selectively catalyze the pentosan hydrolysis, pentose dehydration, and hemicellulose polysaccharide deacetylation reactions, which in turn allows the reduction of the catalyst consumption without reducing furfural output. The steam going out of the reactor and containing furfural is to be condensed, thus obtaining secondary steam, which is used for separation and purification of furfural and acetic acid by the rectification method as well as for other purposes. The raw material remainder after processing with water steam is unloaded from the reactor by the method of decompression, yet the steam appearing during the unloading process is condensed in a closed water consumption cycle with continuous or periodic drainage of the circulating liquid excess for chemical and/or biological purification. If necessary, the accumulated raw material remainder is partly freed from water by pressing and/or drying, and used as fuel to obtain technological steam and/or for other purposes. In general, the suggested method allows not only a significant reduction in catalyst consumption, but also the realization of a waste-free, energetically closed and environment-friendly technological process with the use of both continuous and periodic operation reactors.

Description

LV 11950 OIIHCAHUE Η30ΒΡΕΤΕΗΗΗ

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IīeHT03aHcozepj & Azee Capn, npomezmee NPZ HeodxoznMocTZ onzcaHHyio npezBapzTe jibhjtio nozroTOBKy, CMazzBaioT pacTBopoM KaTajiz3aTopa, pacim-ΛΗΘΜΗΜ zepe3 $ OpcyHKZ Ha ΠΟΒΘρΧΗΟΟΤΒ ZaCTZH CHpBH ΠρΖ ΖΧ ΗΘΠρθρΗΒ-hom MexaHzzecKOM nepeMemzBaHzz z TpaHcnopTzpoBKe zjiz NPZ zx cBodoz-hom najceHzz b 3aKpnT0M npocTpaHCTBe zjiz b nponecce zx nepeMemeHZH B03iyniHUM ZJIZ ΓΒ30ΒΗΜ ΠΟΤΟΚΟΜ. PaCTBOp KaTaJIZ3aTOpa depyT B KOJIHZeC- τβθ zo 20 $ ot Macca cyxoro chpbh z oh cozep & zT 0.3-5.0 $ opraHzzec-κζχ kzcjiot, 0.5-75.0 $ cepHoz kzcjioth z / zjiz 0.2-35 , 0 $ cojiz zjiz CMecz cojiež, odpa3yiomzx npz zzcconzanzz κητζοηη c 3apnzoM He MeHee ZByx, HanpzMep, cyjiB $ aTa nzHKa z / zjiz cyjiB $ aTa ajnoMZHZH. B KazecTBe zctoz-hkb opraHzzecKzx kzcjiot MoryT dtiTB zcnojiB30BaHH, HanpzMep, < £ yp < $ y-poJicozepsamz KOHzeHcaT z / zjiz JiioTep, odpa3yTomzžcH npz peKTz $ zKanzz $ yp $ ypojia. B stom cjiyzae solution was KaTajiz3aTopa γοτοβητ nyTeM pacTBO-peHZH cojiz zjiz CMecz cojiez b yp $ $ ypozcozepKazeM κοηζθηοητθ z / zjiz juoTepe c noczezyī > niZM zodaBJieHzeM HeodxozzMoro KOJizzecTBa KOHiien-TpzpoBaHHož cepHoz kzcjioth b jizhhd nozazz solution of KaTajiH3aTopa HenocpezcTBeHHo nepez cMazzBāHzeM chpbh. CMoneHHoe pacTBopoMaTaMe3aTop capne odpadaTHBaDT b τοκβ βοζηηογο napa b peaKTope HenpepHBHoro zjiz nepzozzzecKoro zežcTBZH npeznozTZTejiBo npz zaBJieHzz 0.5-1.1 Love z TeMnepaType pole I80-250 ° C b TezeHze 90-120 MZHyr. B peaKTope nepzoznzecKoro zeft-ctbzh nponecc BezyT npeznozTZTYBHo npz ποοτθπθηηομ zjiz nepzozz-necKOM ποβηεπθηζζ zaBJienza, a nozazy napa corzacyioT c ZHHaMZKo odpa30BaHZH $ ypš > ypojia. - 4 - Βηχοληιιιηη H3 PEAKTOP $ yp $ ypoJicojiepjKaip [ž nap OHzmaioT ot Mexa-ηζηθοκζχ npzMecež πγτθΜ φιυΐΒτρβίίΐΐΗ z / zjiz npoMHBKH φ3Γρφ3φοηοοηβρ3 & -npni KoimeHcaTOM, nocjie nero $ yp $ ypojico, ii; epEanīHz nap KOHneHczpyx) T c nojiyqeHzeM βτορηηηογο napa, kotophz zcnojn > 3yioT jum BHnejieHZH z ohzctkz ot χζμηηθοκηχ npzMecež $ yp $ ypojia z yKcycHož kzcjioth μθτο- ΛΟΜ ρβΚΤΖφΖΚ3ΙίΖΗ z / jJjj npyTZX noJiet. Ne ^ ΘΗΗΗΖ φγρφγρΟΛΟΟίθρ-jKamzz CREATEDHcaT onzmaioT ot MexaHzqeciczx npzMecez, HanpzMep φζ ^ -Tpanzež, z βηλθληβτ Z3 ηθγο φγρφγροαι z yKcycHyio KzcjioTy nyreM ρβκ-ΤΖφΖΚ3ΙίΖΖ ZJIZ circles Ζ3ΒΘ0ΤΗΗΜΗ ΜΘΤΟΛΒΜΖ. Ηθ yKCyCHyiO KZCJIOTy dojiee paimoHajīBHo βηβθλητβ ηθ Z3 KOHneHcaTa, the day of Z3 $ yp $ ypojicon6psa-mero nyTeM ee 3KCTpaicnzH φypφypoJIOM c nocjiejonomzM zx pa3nejie- ΗΖΘΜ ΜΘΤΟηΟΜ ρβΚΤΖφΖΚΗίίΗΗ. Βπχοη φypφypoJIa of npejyiaraeMOMy cnoco (5y cocTaBjraeT from $ 82, yiccycHož kzcjioth of 31% οτ τθορθτζηθοκογο.

OcTaTOK chpbh nocjie o < 5PA < 5oTKz BonsHHM napoM BHrpysaiīT Z3 Pean-Top ΜθτοηοΜ neKOMnpecczz, a 00pa3yromzecH πρζ 3tom napn KOHneHcz-Py-H) T B 33MKHyT0M HZKJie BOnOZCnOJIB 30BaHZH C UZpKJJIZpOBaHZeM KOHneH-czpyi) iKez κζηκοοτζ β θτομ mnuie. Η30ητοηηοθ κολζηθοτβο nzpKyjizpyi > -než hzhkoctz HenpepiiBHp zjih nepzonznecKz βηβο, κητ Z3 nzicjia z nona βμθοτθ c jnoTepoM, 00pa3yromzMCH πρζ ρθκτζφζκ3ΐίζζ Φ3τρφγΐχ "ΐ3, Ha-xzmz necKy» z / zjiz 0zojiorznecKy] o onzcTKy. Βηγρρκθηηηζ Z3 PEAKTOP ocTaTOK chpbh πρζ ΗβοόχοηζΜοστζ nacTzn-ho oc5e3BoxtHBa "T nyTeM npeccoBaHZH z / zjiz cyniKHf HanpzMep c πρζΜβΗθ-ΗΖΘΜ ηΗΜΟΒΗΧ Ta30B, Z ZCnOJIB3yiOT B KazeCTBe TOHJIZBa nnn nOJI3THeHZH τθχηοηογζηθοκογο napa z / zjiz jum npyrzx nejiea.

TaKZM o (5pa30M, npennaraeMHZ cnocod no3BOJiHeT of cpaBHeHZD c προτοτζποΜ, ηθ tojibko 3HanzTejiBHo coKpaTZTB PacXon KaTajiZ3aTopa (5θ3 οηηκθηζη BHXona φypφypoJIa, ho z ocymecTBZTB < 5e30TxonHHŽ, 3Hep-ΓΘΤΖΗΘΟΚΖ 3BMKHyTHZ z 3KOJiorzzecKH hzcthz TexHOJiorzHecKzž nponecc onHOBpeMeHHoro nojiyneHZH φypφypoJIa z yKcycHož kzcjioth b peaKTopax CEC nepzonznecKoro, TAK z HenpepHBHoro nežcTBZH. Β πρζΒοηζΜΗΧ Hzse npzMepax ocymecTBJieHZH npejyiaraeMoro Cnoc (5a nojiyHeHHHe KOJiznecTBa φypφypoJIa z yKcycHoz kzcjioth yica3aHH 3a-bh ηθτομ τθχ zx KOJinnecTB, κοτορΗΘ conepatajuicB B A solution KaTajiz3aTopa - 5 - EN 11950 ĪIpzMep I. ūpeBecHHy nyda nocjie BonHož sKCTpaimra TamnmoB / 0By0HHy / b Bzne TexHOJrorz ^ ecKOH go c BJiasHocTBi 60 # b KOJizzecTBe 3500 r CManzBa-K) T 70 r pacTBopa KaTajiZ3aTopa, conepsamero 0.3 # οργεηζηθοκζχ kzc-jyt z 75.0 # cepHoā khcjioth PacTBOp KaTajiz3aTopa γοτοβητ b cnenz -JiLHOM DOWNLOADS nyreM chapterBYYYY # # -hok cepHož khcjioth k $ yp $ y-pojiconepjKameMy KohneHcaTy, κοτορυζ, κροΜβ Φ3Π? My-paBLHHož. yKa3aHHoe Bnme KOJunecTBo chpbh noMeniaioT b γθρμθτζηθοκη 3aKpHTHH ^ ΘρΒίΠΗθ-JionacTHoz cMecHTejej »z pacTBop KaTajiH3aTopa pac-nHJunoT zepe3 $ opcyHKy Han ποβθρχηοοτββ HenpepHBHo nepeMemzBaeMoro CHpBH. Ομοηθηηοθ pacTBopoM KaTajiH3aTopa cnpBe 3arpysaioT b PEAKTOP ο (10 5βθμομ λ z odpadaTHBaroT b τοκθ βολζηογο napa NPZ naBJieHzz 0.8 Love z TeMnepaType napa 250 ° C for τθηθηζθ 120 MZHyT. NoJijrsaDT 3890 m. KOHneHcaTa, conepzamero 123.3 φypφypoJIa r z 42, 0 r yKcyc- HO KHCJIOTH. ΒΗΧΟΛ 3ΤΗΧ nPOHYKTOB COCTEBJIHeT COΟΤΒΘΤΟΤΒΘΗΗΟ 8.8 # z 3.0 # ot MaccH cyxoro chpbh zjiz 78.6 # η 88.2 # ot TeopeTireecKoro. HpHMep 2. JIpeBeczHy nyda nocjie b Bzne TexHOJiorzqecWhen to go c BJiasHocTBio 60 # npenBapzTeBHo noncyinzBaiDT from conepsaHZH BJiarz 35 #, 3aTeM b KOJmecTBe 2200 r anajiorz ^ mo npz-Mepy I CManzBaBT 140 r pacTBopa KaTanz3aTopa, conepsamero 0.5 # op-raHz ^ ecKzx kzchot, 37.0 # cepHož khcjioth z 0.2 # cyjn ^ Ta ajnoMZHHH PacTBop KaTajm3aT0.pa γοτοβητ nyTeM pacTBopeHZH cyJIBφaτa επκμζηζη b JnoTepe, o0pa3yiomeMCH npz ρθκτζφζκΕηζζ φypφypoJIa z conepsameM 0.8 # opraHZHecKzx kzcjiot, b tom nzcjie 0.7 # yKcycHoz z 0.1 # MypaBB— zhojž, c nocjiayioniHM nočaBJieHzeM HeodxonzMoro KOJiznecTBa 93 # cepHož kzcjioth. Ομοηθηηοθ pacTBopoM KaTajiz3aTopa οηρβθ 3arpy3Kam b peaKTop ο &5; Πρζ stom naBJieHze b peaKTope ποοτθπθηηο noBHfflamT ot 0.5 from 0.7 Love. HojiyHaiDT 3320 nui KOHneHcaTa, conepzamero 131.5 r φypφypoJIa z 44.2 r yKcycHož khcjioth. Βκχοη 3ΤΗΧ nponyKTOB COCTaBJIHeT ,2 9.2 # Z 3.1 # OT MECCH cy-xoro chpbh zjiz 82.1 # z 91.2 # οτ τθορβτζπβοκοΓο. - 6 - ΠρζΜβρ 3.

Kyicypy3Hne Ko ^ eptraKH, WYHHHE of pa3MepoB nacTz ηθ (5oJiee 20mm, c BJiaKHOCTLK) 26 # b KOJiireecTBe 1700 r aHazrorznHO npzMepy I CMaHZBaEOT 100 r pacTBop KaTajiz3aTopa, conepacamero 0.7 # opramraec-κζχ kzcjiot, 0.5 # cepHoz kzcjioth z 35.0 # cyjEbQaTa nzinca. PacTBop KaTajiz3aTopa γοτοβητ nyTeM pacTBopeHzz cynB $ aTa nzHKa b ομθοζ φγρ- < $ ypoJiconep3Kamero KOHneHcaTa / cm. npzMep 1 / z jnoTepa, o0pa3yiomeroca npz peKTZ $ ZKazzz φγρφ ^ τροΛΒ / cm. npzMep 2 /, b3zthx b οοοτηοπιθηζζ 1: 1 c nocjiayiomzM from chaBjieHzeM Heo0xonzMoro muznecTBa 93 # -hok cepHoz kzcjioth. CMoeimoe pacTBopoM KaTajiz3aTop cnpBe 3arpyacaroTb peaKTop ο < 5βθμομ 10 en z odpadaTHBaioT b τοκθ βοληηογο napa npz naBJieHzz 1.0 LoveToMMMePaTepe pole 230 ° C b τθηθηζθ 120 MHHyT. noJi ^ aTi 6760 mh KOHneHcai, conepatamero 217.6 r φypφypoJIa z 43.9 r yKcyc-HOŽ KZCJIOTH. ΒΗΧΟΛ 3ΤΖΧ IiponyKTOB COCTaBJIHBT ΟΟΟΤΒΘΤΟΤΒΘΗΗΟ 17.3 # z 3.5 # ot MaccH cyxoro chpbh zjih 77.6 # z 80.4 # ot τθορβτζηθοκοΓο. ΠρζΜβρ 4.

KyKypy3HHe κοηβρπχκζ, z3MeBneHHHe no pa3MepOB racTn He donee 20 mm, c BJiajKHOCTBio 12 # b KOJiznecTBe 1500 r aHajiorzzHO npzMepy I CManzBaioT 200 r pacTBopa KaTajiH3aTopa, conepsamero 2.5 # yKcycHoz kzcjioth, 4.0 # cyjnk z 13.0 # cyjn »®aTa aJHOMZHzn. Ομο ^ ιθηηοθ pacTBopoM KaTajiz3aTopa cnPBe 3arpy & aiT bt < 3   < 3β jiμομ 10 < o > Πρζ 3tom naBJieHze b PEAKTOP nepzoniraecKz noBHmaioT, a nona ^ napa ζ3μθηηκ) τ b οοοτβθτοτβζζ c λζηθμζκοζ 0 < 5pa30BaHZH φypφy-pojia - nepBHe 30 MZHyr nponecc Benyr NPZ naBJieHzz 0.8 Love z 0T0zpas3T 2895 ml KOHneHcaTa - BTopne 30 MZHyT nponecc Benyr npz naBJieHzz 0.9 Love z oTdzpajoT 2215 mi KohneHcaTa, - nocJienHze 30 MZHyr nponecc Benyr npz naBJieHzz 1.0 Love z OTdzpaiDT 1050 mji KOHfleHcaTa.

Bcero noJiynaiDT 6160 mJ KOHneHcaTa, conepxamero 239.0 r φγρφ ^ φοηη z 49.9 r yKcycHoiž kzcjioth. Βπχοη 3τζχ προηγκτοΒ cocTaBJifieT coot-βθτοτβθηηο 18, I # z 3,8 # ot MaccH cyxoro cnpBH zjiz 81,2 # z 87,3 # ot TeopeTznecKoro. EN 11950 - 7 - ΠρζΜβρ 5.

KyKypy3HHe KOBepmKKH, κ3μθλβ ^ θηηηθ from pa3MepoB zacTzn ηθ doJiee 20mm, c BJiajKHOCTLio $ 12 bKOJiecTBe 1500 r aHajiorznHO npzMepy I CMa ^ HBaioT 265 r pacTBopa KaTajiz3aTopa, conepscamero 5.0 $ yiccycHož kzcjioth z 8.0 $ cyjiL $ aTa ajnoMZHza. Ομοηθηηοθ pacTBopoM KaTajm3aTopa cnPLe 3 ppToToT BOOKt ο0βθμομ 10 ta z pač B TH B B B B B B B B B B B B B T T θ θ θ θ θ η η 200 M M ο ο ο ο a a a M Πρζ stom naBne-Hze b peaicTope nepzomrcecKz noBtmiatoT, a nonany napa Ζ3μθηηκιτ b Coot-βθτοτβζζ c nnHaMHKon 00pa3OBaHna $ yptpypojia - nepBHe 30 MHHyT nponecc BenyT NPZ naBJieHzz 0.9 Love z oT0zpaiOT 1980 ml KonneHcaTa - BTopae 30 μζηυτ nponecc BenyT NPZ naBJienzz 1.0 MHa z OTypajoT 2705 mJ KOHneHcaTa, - nocjieimze 30 MZHyT nponecc BenyT npz naBJieHzz 1.1 Love z OT0zpaioT 1325 MJ ConnectThis.

Bcero noJiyqaiOT 6010 mj KOHneHeaT, conepsamero 224.8 r $ yp (| ypoJia z 51.7 r yKcycHoii kzcjioth. ΒΗχοη θτζχ nponyKTOB cocTaBjmeT coot-BeTCTBeHHO $ 17.0 $ 89.6 ot TeopeTznecKoro.

CpenHzz odmzii pacxon KaTajiz3aTopa β πρζΒβηβΗΗΗχ Bmne npzMe-pax npeiniaraeMoro cnocoda cocTaBJineT $ 3.2 ot Maccu cyxoro chpbz, ητο b 6.3 pa3a MeHBine, neM b aHanorznHOM npzMepe npoTOTzna. LV 11950

Φ0ΡΜyjIA H30EPETEHMH

ΟΠΟΟΟΕ HP0M3B0JIGTBA ΦΤΤΦΤΤΟΕλ ΙΑ yKCyCHOŽ KHCJIOTH 1 Cnoco6 npon3BojīCTBa $ yptpypojia z yKcycHoz kzcjtoth Z3 πθητο-3aHcoflep®amero chpbh πγτβΜ odpadoTKz βοληηημ napoM πρζ ζοβηπιθηηομ aaBJieHzz b npncyTCTBira solution of KaTajiH3aTopa c βηλθ; ιθηζθμ ζθπθβηχ ΠΡΟΛΥΚΤΟΒ Ζ3ΒΘΟΤΗΗΜΖ ΜΘΤΟΛΘΜΖ, Ο T JI Η Ί accordance DHH t c fl ΤΘΜ, ZTO, c uejihm coKpameHm pacxo.ua KaTajiz3aTopa h yjiymehzh θκοπογζηηοοτη nponecca, neHToaaHConepzamee cnpBe nepe # odpadoTKoz βοληηημ napoM CMazzBaiOT pacTBopoM KaTajiH3aTopa, b3hthm b KOJuraecTBe ro 20 # ot Macchi cyxoro chpbh z conep & amzM 0.3 to 5.0 # opraHzzecKzx kzcjiot, 0.5 - 75.0 # cepHož kzcjtoth z / zjiz 0.2 - 35.0 # cojdi jum CMecz cojiez, odpa3yromzx npz nHcconzanzz κητζοηη c 3apanoM ηθ μθηθθ jcbjhc. 2. Cnocod from n.I, oTjnraaDmužcjī τθμ, hto b KazecTBe zcTOHHZKa opraHHHecKzx kzcjiot zcnojiB3yH) T $ yp $ ypojiconep & ali KozneHcaT z / zm juoTep, o0pa3yioniztcH πρζ ρβκτζφζκπηζζ < i > yp $ ypoHa. 3. Cnocod no n.I, OTjnrcaioiimZcH τθμ, hto b KazecTBe cojih hjik CMecz cojiez zcnojiB3yīOT cyjiB '$ aT nzHKa z / anz cyjn > $ aT ajnoMHHZH. 4. Cnocod no n.I, oTJTzZzHh τθμ, hto neHT03aHconepcKamee οηρβθ nepea CMazzBaHzeM pacTBopoM KaTanz3aTopa zacTznHo ode3Boxz-BaiOT nyTeM npeccoBaHZH z / hjih cpncz. 5 Cnocod of nI z n.2, OTJizzajūmzncH τθμ, hto solution was KaTajiz-3aTopa ΓοτοΒΗτ nyTeM pacTBopeHzn cojiz zuz CMecz cojiez b φτρφτροΛ-conepsameM κοημθηοάτθ z / hjiz jaoTepe, odpa3yromeMCH πρζ ρθκτζφζκΗΐίζζ $ $ yp ypoJia, c nocjienyiomzM nodaBJieHzeM κοηιιθητρηροβηηηοζ cepHož kzc- jioth HenocpencTBeHHo nepen ομηηζβηηζθμ chpbh. 6 Cnocod of n.I, oTjmzassuzzcH τθμ, hto solution was KaTaJiZ3aTopa pacnHjmioT zepe3 φopcyHκz Ha ποβθρχηοοτβ μθχθηζηθοκζ nepeMemzBaeMHX z TpaHcnoprzpyeMHX zjiz cBodonno Naji; aiomzx b 3βκρΗΤ0Μ npocTpaHCTBe hjīz nepeMemaeMHx B03iyniHHM zjiz ra30BHM ποτοκομ zacTzn chpbh. 7. Cnocod no n.I, oTjrzzaiomzHCH τθμ, hto odpadoTKy πθητοθθηοο-nepnamero chpbh βοληηημ napoM BenjT npz naBJieHHH 0,5 - 1,1 Love z TeMnepaType pole 180 - 250 ° C. 8. Cnocod no n.I z n.7, oTjnrcaiomHžcH τθμ, hto nponecc BenyT npz nocTeneHHOM zjih nepzojuraecKOM ποβηπιθηηζ λθβηθηζη. - 2 - 9. Cnocod no n.I z n.7, JJn noflany napa corjiacyroT, ιιζηημιϊκομ 00pa30BaHHH $ yp $ ypojia. 10. Cnoco6 no n.It, jJhHaiomzzcH τθμ, hto yKcycHyro KzcnoTy βηηθ-jihiot H3 BHXonHmero H3The headpiece of the ctp πγτβT sKCTpaKimz φγρφγροΛΟΜ c nocjiayromnM zx pa3 nejieHzeM μθτοηομ ρβκτζφζκΒίίΖΗ. 11. Cnocod no n.I, OTJizHaiomzžcH τθμ, hto $ yp $ ypoJiconepzaiqzž day κοηλθηοιιρτκτ c noJiyqeHiieM βτορηηηογο napa, κοτοριώ HcnoJH > 3yK) T jpm ΒΗΗΘΛΘΗΖΗ Z OHZCTKZ $ yp $ ypOJia Z JRCJCHO

Kanzz z / hjiz juih. npyrzx nejiez. 12. Gnocod no n.I z n.II, OTjnrcaiomzžcH τθμ, ητο φγρφγροΛΟΟίβρ-zaimiii day nepeji KOHHeHcaimez onzmaioT ot MexamreecKzx npzMecež ΠΥΤΘΜ φΖΠΒΤρβΗΖΖ Z / ZJIZ ΠρΟΜΗΒΚΖ φ3ΤρφΥΡ0Λ00Λθρ3Κ3ΙΙ {ΗΜ KOHJteHCaTOM ZJIZ ΛργΤΗΜΖ Ζ3ΒΘ0ΤΗΗΜΖ ΜΘΤΟΗΘΜΖ. 13 Cnocod of nI, oTJiznaKiimžca τθμ, ητο οοτετοκ chpbh ποοπθ odpadoTKH βοληηημ napoM BHrpyscaiOT Z3 PEAKTOP μθτολομ aeKOMnpecczz, a oc5pa3yBmzecH NPZ stom napa KOHneHCzpyioT b 3aMKHyT0M nziuie bobo- ZCΠΟJEB 30BaHHH C ΗΘΠρβρΗΒΗΗΜ ΗΗΖ ΠθρΖΟΛΙΙΗΘΟΚΖΜ ΟΤόορΟΜ Z30HTKa IJZp-Kyjfflpyi3mež χζηκοοτζ Ha xnMzqecKyB a / ra dnojiora ^ ecKyio 0HHCTKy. 14 Cnocod of n.I, oTJizHaEmzicH τθμ, whereby to ocTaTOK chpbh nocjie odpadoTKz βοληηημ napoM HacTHHHO o0e3Bo®ZBaioT nyTeM npeccoBaHzn h / zjiz cynncz h / mjth zcnojiB3yiDT b KanecTBe TommBa juih ποπ ^ θηζη τθχηολογζηθοκογο napa z / zjiz juih jipyrzx nenež. LV 11950 ΑΗΗ0ΤΑΠΗ3 Η30ΒΡΕΊΈΗΜ

CH0C0E HP0M3B0JICTBA ΦΥΡΦΥΡΟΜ Η ΥϊΟΟΗΟΜ H H H H H 300 h po po po po po po po po po po po po po po yc yc po po po yc yc yc yc yc yc yc yc yc yc yc yc yc h po po po ΟπρΒΘ H3MejrB ^ aiOT JLO pa3MepOB TeXHOJIOrZHeCKOZ Merr z CMA ^ BaioT pacTBopoM KaTajm3aTopa, co ^ epsamaM opraHznecKze KHCJIOTH, CepHyiO KHCJIOTy h / hJIH COJIL · HJIH CM8CL COJieH 0 (5pa3yDHIHX NPZ BHCCODJiaiIHH KaTHOHH C 3apH £ 0M ΗΘ ΜΘΗβθ £ Byx, nocjie ΗΘΓΟ 00pa0aTH ~ BaDT b τοκθ βοληηογο napa NPZ ποβμπθηηομ jDtaBJieHzz. npejuiaraeMHZ cocīaB KaTajiHaaTopa očecnenzBaeT H30zpaTejcbHoe KaTajiHTH ^ ECKO B03-Λθ3οτβηθ Ha peaKiizz rznpojiH3a πθητο38ηοβ, flerzjīpaTaiiZH πθητο3 h jieaueTHjmpoBaHHH reMmiejumjio3hhx nojizcaxapzji; OB, whereby to no3BOJizeT cok-paTHTB pacxoji KaTazra3aTopa όθ3 οηζχθηηη βηχο1 & $ yp $ ypojia . Βηχολη-MST H3 PEAKTOP $ yp $ ypojico, fl; ep & aiiizž nap KOHneHczpyK > T c nojiy ^ eHHeM BTopEPiHoro napa, κοτορΗΖ zcnoJH.3yTDT jum BuneneHim h οηζοτκζ < $ yp- $ ypojia z yKcycHož khcjioth μθτοκομ ρβκτζφζκΒίίζζ z jļjie ipyrzx OciTOK chplh nocjie odpadoTKH βολη ημ napoM BHrpyataioT Η3 PEAKTOP μθτολομ κβκοΜπρβοοζζ, a 00pa30BaBmzecH NPZ stom napn KOH neHczpyioT B 3aMKHyTOM EtZKJie ΒΟβΟzcnoJIL30BaHZH C HenpepHBHHM HJIH nepzonznec-khm οτόοροΜ H30HTKa nzpKyjiHpyxjmez ehkkoctz Ha xzMznecKyro z / zjih 0zojiorznecKyio onzcTKy. BHrpy »eHHHZ Z3 PEAKTOP ocTaTOK chpbh NPZ ΗΘΟόΧΟΚΗΜΟΟΤΗ naCTZ ^ HO O (5e3BOXHBai0T ZyTeM npeCCOBaHHfl h / hjih CyiUKH z zcnojn > 3yBT b KanecTBe TorumBa jum nojiyneHHH TexHOJiorz ^ ecKoro napa z / zjih jum npyrzx nejiež. B nejioM npejuiaraeMHZ Cnoc (5 no3BOJW-βτ ηθ tojilko 3HazzTejEbH0 coKpaTHTB PacXon KaTajm3aTopa, HO z-ocy mecTBHTB < 5θ30τχο, εηηη, 3HepreTZHecKH 3aMKHyTmi z aKOJiorznecKZ NZC-THH TexHOJiorimecKHit nponecc c zcnojn »30BaHzeM peaKTopoB CEC Henpe-Ρηβηογο, τβκ z nepzonznecKoro βθζοτβηη.

Claims (14)

METHOD OF MANUFACTURE OF FURFURAL AND ACETIC ACID PRODUCTION METHOD 1 A process for the production of furfural and acetic acid from pentosan-containing feedstocks by treating them with a high pressure catalyst solution and isolating the end products by known methods, characterized in that to reduce catalyst consumption and improve process ecology , the pentosan-containing feedstock is moistened with a catalyst solution of not more than 20% dry matter by weight prior to treatment with water, containing 0.3 - 5.0% organic acid, 0.5 - 75.0% sulfuric acid and / or 0.2 - 35.0% salt or salt mixture, \ t who dissociate intelligent cations with a charge of no less than two. 2. A method according to claim 1, wherein the source of organic acid is furfural-containing condensate and / or lutheran produced by rectification of furfural. 3. A method according to claim 1, wherein zinc and / or aluminum sulfates are used as a salt or a mixture of salts. Method according to claim 1, characterized in that the pentosan-containing feedstock is partially dewatered by pressing and / or drying prior to wetting with the catalyst. Method according to claims 1 and 2, characterized in that the catalyst solution is prepared by dissolving the salt or a mixture of salts in the furfural-containing condensate and / or the lutheran resulting from the rectification of furfural, followed by the addition of concentrated sulfuric acid immediately prior to the hydration of the raw material. 6. A method according to claim 1, characterized in that the catalyst solution is sprayed through the discs onto the surface of the raw material particles which are mechanically mixed and transported or freely falling in the closed space or transported by air or gas. 7. A method according to claim 1, wherein the treatment of the pentosan containing raw materials with water vapor is carried out at a pressure of 0.5-1.1 MPa and at a steam temperature of 180-250 ° C. 8. A method according to claims 1 and 7, characterized in that the pressure is increased gradually or periodically during the process. 9. A method according to claims 1 and 7, characterized in that the steam supply is coordinated with the furfural formation dynamics. Method according to claim 1, characterized in that the acetic acid is released from the vapor emitted from the reactor by extraction with furfural and then separated by rectification. Method according to claim 1, characterized in that the furfurol-containing vapor is condensed to form secondary vapor used for the extraction and purification of furfural and acetic acid by rectification and / or for other purposes. Method according to claims 1 and 11, characterized in that the furfural-containing vapor is pre-condensed from mechanical impurities by filtration and / or rinsing with furfural-containing condensed or other known methods. Method according to claim 1, characterized in that the residue of the raw material after treatment with the water vapor is discharged from the reactor by the decompression method, but the steam generated during the unloading is condensed in a closed water cycle with continuous or periodic discharge of the circulating fluid over the chemical. and / or biological treatment. Method according to claim 1, characterized in that the residue of the raw material after treatment with the water vapor is partially dewatered by pressing and / or drying and / or used as fuel for the production of technological steam and / or for other purposes.