Patents Assigned to Biochemtex S.p.A
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Publication number: 20210102135Abstract: It is disclosed a combustible article of manufacture comprising a treated lignin composition and a combustible support, wherein the treated lignin composition is attached to at least a portion of an external surface of the combustible support with a force greater than the force of gravity relative to the treated lignin composition. The treated lignin composition comprises solid lignin and has a moisture content in the range of 35% to 80% percent by weight. The combustible support is preferably a hardwood chip, but it may be also softwood chips, coal, coke, and shredded tires. It is also disclosed a fuel composition comprising a plurality of the combustible article.Type: ApplicationFiled: February 10, 2017Publication date: April 8, 2021Applicant: Biochemtex S.p.A.Inventors: Ettore BONALDI, Alessandra GIUSTI
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Publication number: 20190270097Abstract: It is disclosed an apparatus for separating a least one solid from a solids/fluid mixture, said apparatus comprising a separation chamber and a cushion chamber. The separation chamber comprises a top end, a bottom end, at least one wall, and an inlet port for introducing the solids/fluid mixture, said inlet port having an inlet port vector. The cushion chamber comprises at least one boundary wall, and it is adapted to maintain a cushion of the solids/fluid mixture at an intersection of the inlet port vector and the cushion chamber when the separation chamber and the cushion chamber are connected by a communication port at the intersection of the inlet port vector and the at least one wall. The communication port has an area at least a size of an impact area of the solids/fluid mixture on the at least one wall. The communication port may be formed by the erosion of the at least one wall of the separation chamber caused by the solids/fluid mixture at the impact area.Type: ApplicationFiled: February 10, 2017Publication date: September 5, 2019Applicant: Biochemtex S.p.A.Inventors: Paolo SARCHI, Ezio GIUNGATO, Giuseppina BOVERI
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Patent number: 9770698Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: GrantFiled: August 13, 2015Date of Patent: September 26, 2017Assignee: Biochemtex S.p.A.Inventors: Dan Gastaldo, Steven Ryba, Aaron Murray, Guliz Arf Elliott
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Patent number: 9732021Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: GrantFiled: February 24, 2013Date of Patent: August 15, 2017Assignee: Biochemtex S.p.A.Inventors: Steven Ryba, Aaron Murray, Guliz Arf Elliott, Dan Gastaldo, Edwin A Sisson, Ehsan Moharreri, Krishna Sharma
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Patent number: 9718742Abstract: This specification discloses a process to convert a converted lignin feedstream to an aromatic composition comprised of aromatic compounds. The process follows the steps of exposing the converted lignin feedstream to at least one catalyst in the presence of donated hydrogen atoms at an exposure temperature greater than 190° C. for a time of at least thirty minutes. The donated hydrogen atoms are donated from at least one hydrogen donating compound during exposure of the converted lignin feedstream to the at least one catalyst at the exposure temperature. The resulting products are comprised largely of aromatics.Type: GrantFiled: August 27, 2013Date of Patent: August 1, 2017Assignee: Biochemtex S.p.A.Inventors: Krishna Sharma, Aaron Murray, Steven Ryba
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Patent number: 9593239Abstract: This specification discloses a composition of a melt blend comprising a continuos polyester phase, a cobalt of manganese compound and a first scavenging compound wherein the first scavenging compound comprises at least one allylic group and at least one polar moiety and at least some of the first scavenging compound or the oligomer or the polymer comprising the first scavenging compound is not present in the continuous polyester phase. The partial insolubility is essential for oxygen scavenging and the solubility is essential for reducing haze. The composition is useful in preforms, container walls, and films for packaging.Type: GrantFiled: April 1, 2013Date of Patent: March 14, 2017Assignee: Biochemtex, S.p.A.Inventors: Ricardo Knudsen, D. Jeffrey Black, Gianluca Ferrari, Aaron Murray
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Publication number: 20170058078Abstract: The present specification discloses a composition comprising a plurality of diols which is useful for the production of polyester bottles, wherein the diols are mainly obtained from the conversion of a ligno-cellulosic biomass feedstock stream. The composition comprises ethylene glycol and at least one diol selected from the group of diols having a formula of CH(OH)2, wherein n is the total number of carbons and is an integer in the range from 3 to 20, z is an integer in the range from 0 to 2n, and C1 and C2 are each attached to one of the OH groups of the formula (e.g. 1,2-Propylene glycol, 1,2-Butanediol and 1,2-Pentanediol) and wherein the composition is substantially free of diols which absorb light at a wavelength of 275 nm, so that the percent light transmission of the composition at a wavelength of 275 nm is greater than 40%.Type: ApplicationFiled: September 2, 2014Publication date: March 2, 2017Applicant: Biochemtex S.p.A.Inventors: Beatriz RIVAS TORRES, Dario GIORDANO, Guido GHISOLFI, Marco BERNARDI, Daniela TODARO, Irene BOZZANO, Tommaso CRIPPA
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Patent number: 9533927Abstract: A process for producing polyols from a low viscosity slurry comprising a thermally treated ligno-cellulosic biomass which has been subjected to a fiber shives reduction step is provided. Specifically, a continuous process for catalyzing the formation of polyol products, such as ethylene glycol and propylene glycol, from the low viscosity slurry is provided.Type: GrantFiled: October 31, 2014Date of Patent: January 3, 2017Assignee: Biochemtex S.p.A.Inventors: Piero Ottonello, Paolo Torre, Dario Giordano, Stefano Paravisi, Chiara Prefumo, Pietro Pastorino
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Publication number: 20160368842Abstract: It is disclosed a continuous process for producing a polyols stream comprising ethylene glycol and propylene glycol, wherein a liquid sugar stream comprising water and at least a monomeric sugar is introduced into a first reaction zone and subjected to a first reaction, which is a hydrogenation reaction of the at least a monomeric sugar, at a first catalytic conditions and in the presence of a first hydrogen gas to produce an hydrogenated mixture comprising at least a sugar alcohol. At least a portion of the hydrogenated mixture and at least a portion of the first hydrogen gas are then transferred to a second reaction zone and subjected to a second reaction, which is a hydrogenolysis reaction of the at least a sugar alcohol, at second catalytic conditions to produce a hydrogenolysis mixture comprising at least a polyol.Type: ApplicationFiled: February 13, 2015Publication date: December 22, 2016Applicant: Biochemtex S.p.A.Inventors: Marco BERNARDI, Irene BOZZANO, Daniela TODARO
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Publication number: 20160362353Abstract: It is disclosed an integrated process for producing at least a cellulosic pulp comprising cellulose in the form of fibers and a polyols stream from a ligno-cellulosic feedstock comprising cellulose, hemicellulose and lignin. The process comprises the steps of: a) Treating the ligno-cellulosic feedstock to produce the cellulosic pulp and at least a liquid sugar stream comprising water and monomeric sugars derived from the hemicellulose of the ligno-cellulosic feedstock; b) Catalytically converting the monomeric sugars of the liquid sugar stream to a polyols mixture, comprising primary polyols and secondary polyols; c) Separating at least a portion of the polyols mixture into at least the polyols stream and a residual stream, wherein the polyols stream comprises the majority by weight of the primary polyols and the residual stream comprises the majority by weight of the secondary polyols; d) Recovering a first thermal energy from the residual stream in a first recovery unit.Type: ApplicationFiled: February 13, 2015Publication date: December 15, 2016Applicant: Biochemtex S.p.A.Inventors: Marco BERNARDI, Patrizia FERRANDO, Srinivasan RAGHAVENDRAN, Andrea BONANNI, Alessandra FRATTINI, Dario GIORDANO
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Publication number: 20160264499Abstract: A process for producing polyols from a low viscosity slurry comprising a thermally treated ligno-cellulosic biomass which has been subjected to a fiber shives reduction step is provided. Specifically, a continuous process for catalyzing the formation of polyol products, such as ethylene glycol and propylene glycol, from the low viscosity slurry is provided.Type: ApplicationFiled: October 31, 2014Publication date: September 15, 2016Applicant: Biochemtex S.p.A.Inventors: Piero OTTONELLO, Paolo TORRE, Dario GIORDANO, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO
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Publication number: 20160264875Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The process comprises thermally treating the ligno-cellulosic biomass and then subjecting the thermally treated ligno-cellulosic biomass to a step of fiber shives reduction to produce a low viscosity slurry. The continuous process has been demonstrated to create slurry, raise the slurry to ultra high pressures, deoxygenate the lignin in a reactor over a catalyst which not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: ApplicationFiled: October 31, 2014Publication date: September 15, 2016Applicant: Biochemtex S.p.A.Inventors: Piero OTTONELLO, Paolo TORRE, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO
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Publication number: 20160251611Abstract: An method for growing a microbial organism, comprising the cultivation of the microbial organism in the presence of a hydrolyzed composition obtained from a thermally treated ligno-cellulosic biomass. The treatment preferably comprises a fiber shives reduction step. The hydrolyzed composition has very few inhibitor compounds and the microbial organism feed with the hydrolyzed composition grows in a short time with a high duplication factor.Type: ApplicationFiled: October 31, 2014Publication date: September 1, 2016Applicant: Biochemtex S.p.A.Inventors: Piero OTTONELLO, Simone FERRERO, Paolo TORRE, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO, Alessia FICALBI
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Publication number: 20160244555Abstract: It is disclosed a process for producing a low boiling mixture comprising ethylene glycol and propylene glycol from a liquid sugar stream derived from a ligno-cellulosic biomass feedstock. The liquid sugar stream is catalytically converted in the presence of hydrogen to a mixture, which is separated into at least a high boiling mixture, comprising glycerol, and the low boiling mixture. The high boiling mixture is converted to hydrogen by reforming and the reforming hydrogen is used in the catalytical steps. Preferably, all the hydrogen used in the conversion process is generated by aqueous phase reforming of the high boiling polyols mixture.Type: ApplicationFiled: October 16, 2014Publication date: August 25, 2016Applicant: Biochemtex S.p.A.Inventors: Marco BERNARDI, Daniela TODARO, Chiara DORATI
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Publication number: 20160244894Abstract: It is disclosed a process for increasing the enzymatic accessibility of a thermally treated ligno-cellulosic biomass feedstock which has been thermally treated at a severity factor. The process comprises a step of fiber shives reduction, for reducing the amount of long shives. The thermally treated ligno-cellulosic biomass after fiber shives reduction is characterized by having an increased glucans accessibility and by forming a slurry having a low viscosity.Type: ApplicationFiled: October 31, 2014Publication date: August 25, 2016Applicant: Biochemtex S.p.A.Inventors: Piero OTTONELLO, Paolo TORRE, Stefano PARAVISI, Chiara PREFUMO, Pietro PASTORINO, Dario GIORDANO
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Patent number: 9340476Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: GrantFiled: February 24, 2013Date of Patent: May 17, 2016Assignee: Biochemtex S.p.A.Inventors: Guliz Arf Elliott, Dan Gastaldo, Aaron Murray, Steven Ryba
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Patent number: 9340468Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The continuous process further utilizes nanoparticles of a crystalline metal oxide. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: GrantFiled: July 9, 2013Date of Patent: May 17, 2016Assignee: Biochemtex S.p.A.Inventors: Krishna Sharma, Aaron Murray, Steven Ryba, Dan Gastaldo, Guliz Arf Elliott
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Patent number: 9284615Abstract: This specification describes a process of producing a monomeric sugar stream, with little or no acid addition, from an oligomeric sugar solution using the intrinsic features of the mildly pre-treated vegetable or ligno-cellulosic biomass, namely the presence of naturally occurring salts. This is accomplished by lowering the pH of the oligomer sugar solution with little or no addition of an acid and then exposing the biomass with the lowered pH to an elevated temperature greater than 80° C. for a time sufficient to hydrolyze the components of the biomass.Type: GrantFiled: August 21, 2012Date of Patent: March 15, 2016Assignee: Biochemtex S.p.A.Inventors: Beatriz Rivas Torres, Michelle Marrone, Irene Bozzano
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Publication number: 20160068456Abstract: This specification discloses a complete method to manufacture polyester articles from freshly harvested ligno-cellulosic biomass. The process steps include pretreating the biomass and the converting the lignin to one of several possible organic steams by deoxygenating and dehydrogenating the lignin in the presence of a Raney Nickel catalyst, separating the organics, and then processing the organics into polyester feedstocks and converting those feedstocks to polyester.Type: ApplicationFiled: November 16, 2015Publication date: March 10, 2016Applicant: Biochemtex, S.p.A.Inventors: Aaron MURRAY, Steven RYBA
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Publication number: 20150343405Abstract: This specification discloses an operational continuous process to convert lignin as found in ligno-cellulosic biomass before or after converting at least some of the carbohydrates. The continuous process has been demonstrated to create a slurry comprised of lignin, raise the slurry comprised of lignin to ultra-high pressure, deoxygenate the lignin in a lignin conversion reactor over a catalyst which is not a fixed bed without producing char. The conversion products of the carbohydrates or lignin can be further processed into polyester intermediates for use in polyester preforms and bottles.Type: ApplicationFiled: August 13, 2015Publication date: December 3, 2015Applicant: Biochemtex S.p.A.Inventors: Dan GASTALDO, Steven RYBA, Aaron MURRAY, Guliz Arf ELLIOTT