WO2016167648A1 - Procédé de fabrication d'un produit fibreux moulé, tel qu'un conditionnement pour œufs, à partir d'une matière de biomasse d'origine végétale, et un tel produit fibreux moulé - Google Patents

Procédé de fabrication d'un produit fibreux moulé, tel qu'un conditionnement pour œufs, à partir d'une matière de biomasse d'origine végétale, et un tel produit fibreux moulé Download PDF

Info

Publication number
WO2016167648A1
WO2016167648A1 PCT/NL2016/050251 NL2016050251W WO2016167648A1 WO 2016167648 A1 WO2016167648 A1 WO 2016167648A1 NL 2016050251 W NL2016050251 W NL 2016050251W WO 2016167648 A1 WO2016167648 A1 WO 2016167648A1
Authority
WO
WIPO (PCT)
Prior art keywords
biomass
range
foregoing
fibers
slurry
Prior art date
Application number
PCT/NL2016/050251
Other languages
English (en)
Inventor
Harald John Kuiper
Benno Alexander Koopmans
Original Assignee
Huhtamaki Molded Fiber Technology B.V.
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
Priority claimed from NL2014624A external-priority patent/NL2014624B1/en
Application filed by Huhtamaki Molded Fiber Technology B.V. filed Critical Huhtamaki Molded Fiber Technology B.V.
Publication of WO2016167648A1 publication Critical patent/WO2016167648A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds

Definitions

  • the present invention relates to a method for manufacturing a moulded fiber product.
  • Such moulded fiber product may comprise packaging products, such as a packaging for eggs and similar products like kiwis and tomatoes, for example.
  • packaging units manufactured from moulded fiber products depend on the availability of paper material that can be used to provide the moulded pulp.
  • the present invention has for its object to obviate or at least reduce one or more of the above stated problems in conventional methods for manufacturing a moulded fiber product, in particular a packaging unit for egg cases or egg cartons, for example.
  • the present invention provides a method for manufacturing a moulded fiber product, such as an egg packaging, from a biomass material of plant origin, the method according to the invention comprising the steps of:
  • Preparing a slurry comprising biomass fibers of plant origin for a moulding operation to manufacture a moulded fiber product, such as an egg packaging results in a slurry having a protein content of above 10% and even higher.
  • a protein content of above 10% and even higher.
  • Such high protein content hinders dewatering, increases foaming and odour production.
  • high protein content may reduce the (hydrogen) bonding in the material, thereby possibly reducing the strength/stiffness of the packaging unit.
  • Providing an amount of enzymes for enzymatic fibrillation of the fibers and/or protein removal by adding an amount of enzymes enables performing enzymatic fibrillation of the fibers in the slurry.
  • adding the enzymes enables enzymatic hydrolysis facilitating the fibrillation of the biomass fibers originating from plants.
  • fibrillation due to the enzymatic reaction enhances fiber bonding without significantly reducing pulp viscosity.
  • enzymatic treatment improves dewatering of the moulded product in the manufacturing process. This reduces the required drying energy and/or drying time for the moulded fiber product.
  • moulded fiber products particularly a packaging unit
  • a biomass material of plant origin improves the flexibility of possible raw materials used for such products.
  • the use of biomass of plant origin improves the natural feel for the consumer.
  • the sustainability of the packaging unit manufactured with the method according to the invention is further enhanced.
  • biomass material of plant origin is the reduction of the amount of mineral oils in the resulting moulded fiber product.
  • mineral oils are used in printing ink of recycled paper material involving components like MOSH (Mineral Oil Saturated HydroCarbon) and MOAH (Mineral Oil Aromatic HydroCarbon). More specifically, these mineral oils are used as solvent in printing inks used for printing paper and board packaging and end up in recycled paper grades that are used by the paper industry and moulded fiber industry.
  • the biomass of plant origin is responsible of 10 wt% of the moulded pulp fiber product, preferably at least 20 wt , more preferably at least 50wt , even more preferably at least 80 wt , even more preferably at least 85 wt , and most preferably at least 92.5 wt.%.
  • this biomass of plant origin comprises so-called non-wood biomass, more particularly non-wood lignocellulosic biomass. This further improves the natural feel and sustainability of the resulting packaging unit.
  • the biomass of plant origin may involve plants from the order of Poales including grass, sugar cane, bamboo and cereals including barley and rice.
  • Other examples of biomass of plant origin are plants of the order Solanales including tomato plants of which the leaves and/or stems could be used, for example plants from the Order Arecales including palm oil plants of which leaves could be used, for example plants from the Order Maphighiales including flax, plants from the Order of Rosales including hemp and ramie, plants from the Order of Malvales including cotton, kenaf and jute.
  • biomass of plant origin involves so-called herbaceous plants including, besides grass type plants and some of the aforementioned plants, also jute, Musa including banana, Amarantha, hemp, cannabis etcetera
  • the (lignocellulosic) biomass of plant origin comprises biomass originating from plants of the Family of Poaceae (to which is also referred to as Gramineae).
  • This family includes grass type of plants including grass and barley, maize, rice, wheat, oats, rye, reed grass, bamboo, sugar cane (of which residue from the sugar processing can be used that is also referred to as bagasse), maize (corn), sorghum, rape seed, other cereals, etc.
  • nature grass provides good results when manufacturing packaging units such as egg packages.
  • nature grass may originate from a natural landscape, for example.
  • This family of plants has shown good manufacturing possibilities in combination with providing a sustainable product to the consumer.
  • the enzymes for performing the enzymatic fibrillation comprise hydrolases.
  • hydrolase catalyses the hydrolysis of a chemical bond of the biomass fibers.
  • the hydrolases that are added to the slurry act upon these bonds of the fibers, thereby improving the characteristics of the material for a moulding operation.
  • the hydrolases comprise proteases that are an enzyme capable of performing proteolysis.
  • the proteases may comprise so-called serine proteases, threonine proteases, cysteine proteases, aspartate proteases, flumatic acid proteases, and metalloproteases.
  • proteases cut proteins in amino acids and/or peptides, thereby obviating the negative effects of the protein on the moulding operation and not hindering the dewatering.
  • the enzymes comprise cellulase.
  • Cellulases further de-fiber the biomass involving enzymatic fibrillation, thereby further increasing the bonding surface achieving an improved strength of the end products.
  • Cellulases may involve endo-cellulase, exo-cellulase with optimally cellobiase, for example.
  • the enzymes comprise both proteases and cellulases.
  • the enzymes comprise pectinase.
  • Pectinases break down pectin.
  • Pectin is typically found in cell walls.
  • These pectic enzymes may include one or more of the following enzymes, pectolyase, pectozyme and polygalacturonase.
  • the enzymes comprise proteases, cellulases and optionally pectinases. Such mixture provides optimal results for the manufacturing process of the moulded fiber product.
  • the enzymes preferably act on the cell wall and further preferably remove protein and produce peptides and amino acids, for example. These components positively influence dewatering in the manufacturing process.
  • the method according to the invention can be applied directly to a biomass or after pre- treatment(s), including chopping of the biomass fiber material and flushing/cleaning the biomass material to remove sand, stones, and other contaminations in the biomass.
  • the slurry comprises a protein content below 6 dry wt , preferably below 4 dry wt , more preferably below 3 dry wt , even more preferably below 2 dry wt , and most preferably below 1.75 dry wt .
  • Dry protein content can be derived by measuring the Nitrogen-Kjeldahl content with e.g. a Buchi N-Kjeldahl lab analysis. From the N-Kjeldahl analysis the protein content in the original biomass sample or packaging can be calculated.
  • the method according to the invention further comprises pre -treating the biomass. The enzymes are only added after the pre -treatment has been performed.
  • pre -treatment may comprise aerobic digestion of the biomass.
  • the aerobic digestion is performed by micro-organisms naturally appearing and/or on the biomass material.
  • This aerobic digestion is for example performed involving preparing a slurry by dispersing the biomass material in an aqueous liquid and exposing the slurry to conditions suitable for aerobic digestion by the micro-organisms.
  • the biomass product can be provided to the aforementioned treatment involving the enzymatic fibrillation with the added amount of enzymes. This process is shown to be effective in the removal of undesirable components in the biomass, including carbohydrates, for example.
  • pre-treatment steps are performed. These treatments may include exertion of strong mechanical forces and heat to the biomass. Besides chopping, also grinding, milling or cutting can be performed to reduce the biomass material. Also, pre-treatment may involve mixing the biomass with other biomass material. Micro-organisms capable of performing the pre-treatment may involve bacteria, yeast and moulds, or combinations thereof, including lactic acid bacteria for example.
  • Suitable conditions for the aerobic digestion involves a temperature of at least 5°C, preferably at least 15°C and preferably the temperature is above 20°C. The pressure is preferably in the range of 0.5-5 bar, preferably in the range of 0.75-3 bar. The digestion process may take more than 0.5 hours, and is preferably in the range of 1-48 hours, more preferably in the range of 2-24 hours.
  • the temperature during the enzymatic fibrillation is in the range of 15 to 60 °C, preferably in the range of 25 to 50 °C, more preferably in the range of 30 to 45 °C, and most preferably in the range of 35 to 40 °C.
  • the pH during the enzymatic fibrillation is above 4, preferably in the range of 4 to 7, more preferably in the range of 4 to 6, more preferably in the range of 4.5 to 5.5, and most preferably in the range of 4.5 to 5.2.
  • the average residence time of the slurry in the enzymatic fibrillation step is in the range of 10 to 80 hrs, preferably in the range of 20 to 60 hrs, and most preferably in the range of 30 to 40 hrs.
  • these conditions were applied in combination in a reactor or extractor, preferably also in combination with maintaining a low oxygen content, i.e. below 20%.
  • This provided material that could be used in the manufacturing processes of paper, carton, moulded packaging units etc.
  • the digestion step, preferably at oxygen concentration below 20%, and/or the enzymatic treatment step are performed in a bioreactor or bioextractor. These steps can be performed after each other, or are preferably overlapping and/or simultaneously performed.
  • the optional adding of enzymes in the digestion step provided a further improvement in the efficiency of the further processing with the material. This appears to be caused by the further removal of protein.
  • additional components are added to the process to encapsulate fines, fiber parts etc.
  • This shows further improvements in the further processes with the material, such as in moulding process of packaging units.
  • improvements in dewatering and production speed could be achieved with the encapsulating of components.
  • the additional components may relate to cationic polymers.
  • the resulting products show improved strength and stability as shown by three point bending stiffness and tensile strength.
  • the pre -treating comprises a refining step.
  • the refining process may involve a so-called refiner that performs the milling or cutting process.
  • the refiner comprises a number of plates that move relative to each other thereby mechanically cutting the biomass material. The distance between such plates determines the (average) length of the biomass fibers.
  • the pre-treating comprises a first and second refining step.
  • the second refining step provides an additional refining of the biomass fibers. This may involve a smaller distance between the plates of the refiner.
  • the refining step improves the manufacturing process of the fiber pulp in a moulding process.
  • the refining step(s) comprising cutting and milling of the fibers, leads to fibrillation of the grass fibers/biomass fibers (and/or paper fibers), which leads to improved fiber- fiber bonding.
  • the cutting, milling and fibrillation causes a further decrease of the Zeta-Potential in the range of -10 to -30mV.
  • the lower Zeta potential encourages the fibers to bind cationic charged additives like dry strength agents, starches and other paper making additives. This increases the manufacturing possibilities for the biomass / paper pulp and enables manufacturing mechanically stronger and stiff er moulded fiber products.
  • fibers were cut to a length in the range of 1- 4 cm. This enables a more efficient refining process and improved fibrillation.
  • the biomass comprises natural grass.
  • natural grass of nature grass may originate from a natural landscape, for example. This grass material has shown good manufacturing possibilities in combination of providing a sustainable product with a desired visual appearance to the consumer.
  • the biomass comprises Miscanthus.
  • the use of Miscanthus in the biomass material provides additional strength to the final mould fiber product.
  • the biomass material substantially comprises Miscanthus.
  • Miscanthus is mixed with other biomass material.
  • the biomass material optionally including a mixture of natural grass and Miscanthus, is mixed with paper pulp for the manufacture of moulded fiber products, such as egg packaging units.
  • Miscanthus has relatively long fibers with a relatively high cellulose content of up to 85%.
  • Pre-treatment may involve a refinement step.
  • the slurry mixture that is used in the manufacturing process produces a moulded fiber (packaging) product comprising 10-60 wt% of paper pulp and 40-90 wt% biomass pulp.
  • the biomass pulp comprises 25-75 wt% natural grass, 0-50 % Miscanthus and paper pulp.
  • the method further comprises the step of providing a binding agent to the slurry.
  • the binding agent comprises a dry strength agent, preferably a cationic charged polymer, such as Bim DS 2801, Bim DS 2858, Xelorex B 2000, Hercobond 6335, Hercobond L1220, Fennobond 4000.
  • the dry strength agent improves strength, stiffness and mechanical properties of the packaging unit.
  • the binding agent comprises a dewatering polymer, preferably also with a cationic charge and stimulating flocculation by binding with the anionic charged (biomass) fibers, such as Bim DS 2855, Perform PC532L, Perform SP7200, Perform PK2350.
  • the dewatering polymer improves improving dewatering of the moulded fiber material in the moulding process. Furthermore, this increases the dry weight content of the packaging unit and/or reduces the energy required for the drying operation of the packaging unit.
  • the method further comprises the step of adding potato fibers to the slurry.
  • the final strength of the packaging product is increased.
  • fibers resulting from the potato starch extraction process in the starch industry are added to the slurry.
  • the potato skin is removed during this extraction process, and the residual waste stream comprising of potato skin fibers still contains native potato starch granules that can be mixed with biomass and/or paper fibers in the moulded fiber production process.
  • the starch granules tend to gelatinize and enhance the fiber-fiber bonding with improved product stiffness as a result. Therefore, preferably the potato slurry comprises potato skin fibers with residual starch granules.
  • the potato fibers are mixed with Miscanthus and a natural grass. This mixture can be mixed with conventional paper pulp after which the final mixture is used for manufacturing the packaging unit.
  • the invention further also relates to a moulded fiber product comprising biomass fibers of plant origin that is manufactured according to the method involving one or more of these steps as earlier described.
  • Such moulded fiber product provides the same effects and advantages as described with respect to the method.
  • This moulded fiber product specifically includes packaging units for products like eggs, kiwis and tomatoes.
  • packaging unit for products like eggs, kiwis and tomatoes.
  • the use of the packaging unit as an egg packaging units showed good results in view of strength, visual appearance and sustainability.
  • the moulded fiber product comprises a number of reinforcement elements.
  • Using one or more reinforcement elements improves the stability of the packaging unit.
  • non-wood biomass preferably plants of the Family of Poaceae, more specifically grass type plants such as so-called natural grass
  • mechanical properties of the packaging unit according to the invention start to become limiting.
  • Providing the packaging unit with reinforcement elements, such as ribs, grooves, protrusions, etc. improves the mechanical properties including strength, stability, tensile strength, three -point bending stiffness and compression etc.
  • This enables the use of a higher amount of (non-wood) biomass. More specifically, this enables the use of an amount above 80 wt. , more preferably above 85 wt. % is possible.
  • the use of reinforcement elements allows for the use an amount above 92.5 wt. %. This provides a sustainable packaging unit with a natural feel and has good mechanical properties both in the manufacturing process and its actual use.
  • the reinforcement elements comprise a number of ribs extending over at least a front surface of the bottom part. This rib or these ribs strengthen the front surface of the bottom part. This improves the manufacturing process and the strength of the packaging unit according to the invention in use.
  • the packaging unit further comprises a cover part configured for engaging the bottom part, wherein the cover part comprises reinforcement elements to increase stability of the packaging unit.
  • the cover part comprises top, front, side and rear surfaces with the front surface preferably comprising one or more openings configured for receiving the first locking element, such as a notch, cam or protrusion provided on the bottom part, in a closed position of the packaging unit.
  • the cover part is hingedly connected to the bottom part on the rear side thereof.
  • a lock comprising the first locking element on the bottom part and an opening in the cover part as second locking element that is configured for receiving the first locking element.
  • the reinforcement elements comprise a number of ribs and/or grooves extending over at least a front surface of the cover part.
  • these elements extend from the top surface of the cover part to the front surface of the cover part, thereby further improving the mechanical properties of the packaging unit.
  • the packaging unit further comprises visible (non-wood) biomass fibres protrude from a package surface to such an extent that separate visible (non-wood) biomass fibres can be distinguished by sight and/or touch.
  • the protruding fibres are arranged to provide a cushioning effect for products placed in the compartments.
  • the cushioning effect reduces the risk of product damage during transport and/or display of the products. This is especially relevant when dealing with vulnerable products such as eggs.
  • This effect may be enhanced by locally allowing a lower mechanical strength providing some flexibility to the packaging unit, especially in or around a product compartment thereof. This may reduce product damage.
  • - Fig. 1 shows a method according to the invention
  • Fig. 2 shows a packaging unit according to the invention
  • Fig. 3 shows the packaging unit of figure 2 without label with reinforcement elements
  • Fig. 4 shows the packaging unit of figure 3 in an open position
  • Figs. 5, 6 and 7 show a top, side and front views of the packaging unit of figure 2; - Fig. 8 shows a detail of the packaging unit of figure 7; and
  • Fig. 9 shows a detail of the packaging unit of figure 8.
  • Manufacturing method 2 (figure 1), comprises collecting step 4 wherein biomass material is collected. This collected biomass material is cut or chopped in chopping operation 6 and washed in washing step 8 involving a sorting drum, for example.
  • washing step 8 includes the use of an additional cyclone or so-called HD-cleaner to further separate the biomass from other materials.
  • a so-called Rotacut biomass cutter is used for pre-cutting the fibers providing a fiber length distribution in the range of 1.5-2.5 cm. This improves the possibilities to bind and dewater the fibers, optionally using additional cationic charged components.
  • refinement step 10 the biomass material is refined in one, two or more refining steps.
  • refinement step 10 involves refining the biomass fibers with a consistency in the range of 3-5% in a disc refiner.
  • Refining step 10 cuts or chops the biomass fibers, and fibriUates a part of the biomass fibers. This increases the bonding surface and fibers can be provided with a charge (negative, anionic). This enables the fibers to build hydrogen bonds to other fibers and/or to cationic polymers, such as polyacrylamides, that stimulate flocculation and improving dewatering in the moulding operation. Optionally, these polymers are dosed at the beginning of the actual moulding operation.
  • aerobic digestion is performed on the biomass material.
  • the aerobic digestion is performed with micro-organisms that are already present at or on the biomass.
  • additional micro-organisms are added to the material to accelerate the biologic cracking and/or digestion.
  • liquid rest flow 14 with proteins, sugars and pectins is removed from the system. This prevents these components to negatively influence the moulding operation.
  • Rest flow 14 is treated, for example involving reverse osmose, membrane filtration and/or other operations to concentrate rest flow 14.
  • the concentrated rest flow can be used to produce biogas.
  • the biogas is used in the drying step of the moulding operation.
  • rest flow 14 can be used for the production of so-called bio-plastics such as PLA, PHA and/or PHB.
  • the remaining slurry 16 with clean, and preferably de-fibred, biomass fiber material is treated in enzymatic treatment step 18 to further reduce the amount of protein.
  • an amount of enzymes 20 is added to slurry 16.
  • Enzymes 20 preferably comprise an amount of proteases and/or cellulases. Proteases cut proteins in amino acids and/or peptides, thereby obviating the negative effects of the protein on the moulding operation and not hindering the dewatering. Cellulases further de -fiber the biomass involving enzymatic fibrillation, thereby further increasing the bonding surface achieving an improved strength of the end products.
  • pH is controlled to optimise enzymatic operation.
  • Digestion step 12 and enzymatic treatment step 18 are preferably performed in a bioreactor or bioextractor. Steps 12, 18 can be performed after each other, or preferably overlapping and/or simultaneously.
  • Treated slurry 22 is optionally diluted or concentrated/thickened in consistency step 24 to achieve the desired consistency of the material for the moulding operation.
  • mixing step 26 optionally paper pulp 28 is mixed with the slurry and the moulding process 30 can be started.
  • treated slurry 22 is concentrated/thickened at a dry solids weight content of 45-60%, for example, to enable transport and storage of the material. This may involve the use of a pressing screw and/or belt dryer. This enables the use of the material in other production plants and/or buffering the material thereby rendering the entire process more flexible.
  • optionally retention or dewatering stimulating agents can be dosed to increase the dry content of the product thereby reducing energy demands in the drying step.
  • dry and/or wet strength agents can be dosed to improve stiffness and stability of the product and/or improve mechanical product properties, such as tensile strength, bending stiffness, compression strength etc.
  • moulding operation 30 results in moulded fiber products 32.
  • flow 34 of microorganisms that are removed at washing step 8 are added in one or preferably both steps 12, 18.
  • another flow 36 of microorganisms is added in one or preferably both steps 12, 18 as an alternative or in addition to flow 34.
  • bioreactor/bioextractor were in the range of 10-80 hrs, pH was above 4, preferably in the range of 4-7, and a temperature in the range of 25-50 °C.
  • step 8 grass was cut at a length in the range of 1-4 cm. Washed out bacteria in step 8 have been added to the reactor/extractor. Also, in flow 20 protease, cellulase and/or pectinase were added to the reactor/extractor, preferably at anoxic conditions for a time period in the range of 12-48 hrs. Optionally, the fibers are stored at a temperature of 30-40°C for a time period of 3-10 days such that the fibers are prepared for the manufacturing process. Adding enzymes and/or storing the fibers at a relatively high temperature significantly improved the removal of proteins. The enzymes converted protein into other components, for example peptides and aminoacids.
  • the rest flow can be separated from slurry 22 with filtering, such as ultrafiltration, nanofiltration etc.
  • This rest flow can be processed and used for biogas and bioplastic, for example.
  • the biogas that is produced can be used in other processes and/or in the manufacturing process for packaging units, such as in the drying step thereof. In the experiments in the reactor a low oxygen content was maintained.
  • the grass material was processed and washed and/or sieved. After removal of proteins and nutrients the fibers can be pressed to achieve a solid content of about 30-45%, for example. This renders transport of the material more efficient. Also, storage life/keeping quality of the fibers is improved. This further enhances possibilities for transport to other processing plants. As a further advantage, the concentrated rest flow can be used to produce biogas.
  • a packaging unit 102 ( Figures 2, 4-8) comprises a bottom part 104 with a front surface 106, two side surfaces 108, a back side 110, and a bottom side 112.
  • a cover part 114 is hingedly connected with hinge 116 to bottom part 104 to allow cover part 114 to move relatively to bottom part 104 between an open and a closed position.
  • Cover part 114 further comprises front surface 118, two side surfaces 120, a back side surface 122 and a top surface 124.
  • bottom part 104 product receiving compartments 126 are provided having contours matching at least partially the outer contours of the products, like eggs, kiwis and tomatoes, for example.
  • Support cones 128 are provided to add stability and strength to packaging unit 102.
  • Lock 130 comprises opening 132 in cover part 114 and cam 134 of bottom part 104.
  • packaging unit 102 is provided with label 136.
  • the package 101 is made from moulded fibre containing a substantial amount of grass fibres, for example 50%, or 80%, or 90% or 95%.
  • Reinforcing elements ( Figure 3) comprise a groove 138 with starting position 140 at top 124 of cover part 114 and ending position 142 at front surface 118 of cover part 114.
  • Alternative reinforcing elements that may be applied in combination with grooves 138 comprise strengthening rods, rims and/or protrusions 144.
  • Groove 138 comprises side wall 146 ( Figure 9).
  • Fibres 48 (Figure 3), in the illustrated embodiment grass fibres, are provided in the packaging material. Some of the (grass) fibres 150 may protrude from a package surface ( Figure 4), including the surface of compartment 126, that protrude to such an extent that separate (grass) fibres can be distinguished by sight and/or touch. In compartment 126 protruding fibres 150 provide a cushioning effect that may further contribute to the reduction of product damage.
  • These longer (grass) fibres 148, 150 have a length of about 25 mm.
  • the longer (grass) fibres 148, 150 have a length such that the fibres are able to float on a fibre pulp or pulp mix during manufacturing, which enables that during moulding these long fibres are positioned at the package surface.
  • These protruding fibres 150 even more improve the appealing effect of the package 101.
  • Fibres 150 protrude even more from a package inside surface also because that inside surface is determined by the suction side of a mould. This suction side of a mould is a well known concept in manufacturing a moulded fibre food packaging.
  • pre-treatment steps may include soaking the biomass in water or soaking for a period of 1-2 days, for example.
  • the refining may comprise a number of so-called plates or disks that are arranged at a mutual distance between 0.5 and 2 mm.
  • An example of such a refiner is a Sprout-Waldron disk refiner.
  • coloring agents and/or pigments can be added.
  • other agents and/or pigments can be added, for example dewatering polymers.
  • the packaging unit that is manufactured according to the presented method can be applied to eggs and other vulnarable food and/non-food products as well as to other products.
  • Non-limiting examples of products include eggs, vegetables, fruit, electronic products such as DVD, radios, displays, mobile phones, tablets etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Paper (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un produit fibreux moulé, tel qu'un conditionnement pour œufs, à partir d'une matière de biomasse d'origine végétale, et un tel produit fibreux moulé. Le procédé selon l'invention comprend les étapes consistant à : - fournir une biomasse à fibres de biomasse dans un réacteur ; - préparer une boue liquide comprenant les fibres de la biomasse ; - ajouter une certaine quantité d'enzymes à la boue liquide et effectuer une fibrillation enzymatique des fibres et/ou une élimination des protéines ; et - effectuer une opération de moulage avec la boue liquide comprenant les fibres fibrillées afin de fabriquer le produit fibreux moulé.
PCT/NL2016/050251 2015-04-13 2016-04-11 Procédé de fabrication d'un produit fibreux moulé, tel qu'un conditionnement pour œufs, à partir d'une matière de biomasse d'origine végétale, et un tel produit fibreux moulé WO2016167648A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL2014624A NL2014624B1 (en) 2015-04-13 2015-04-13 Method for manufacturing a moulded fiber product, such as an egg packaging, from a biomass material of plant origin, and such moulded fiber product.
NL2014624 2015-04-13
NL2016292 2016-02-19
NL2016292 2016-02-19

Publications (1)

Publication Number Publication Date
WO2016167648A1 true WO2016167648A1 (fr) 2016-10-20

Family

ID=56289559

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2016/050251 WO2016167648A1 (fr) 2015-04-13 2016-04-11 Procédé de fabrication d'un produit fibreux moulé, tel qu'un conditionnement pour œufs, à partir d'une matière de biomasse d'origine végétale, et un tel produit fibreux moulé

Country Status (1)

Country Link
WO (1) WO2016167648A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021066654A1 (fr) 2019-10-04 2021-04-08 Huhtamaki Molded Fiber Technology B.V. Couvercle à boire biodégradable et procédé de fabrication d'un tel couvercle à boire

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998031875A1 (fr) * 1997-01-14 1998-07-23 Neste Chemicals Oy Procede de preparation de panneaux de fibres
WO2004055268A1 (fr) * 2002-12-18 2004-07-01 Korsnäs AB (publ) Suspension fibreuse de pulpe de sulfate traitee par enzymes et de carboxymethylcellulose utilise pare comme materiau brut pour emballages
WO2013050456A1 (fr) * 2011-10-06 2013-04-11 Hamlet Protein A/S Procédé pour la production simultanée d'éthanol et d'un produit solide fermenté

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998031875A1 (fr) * 1997-01-14 1998-07-23 Neste Chemicals Oy Procede de preparation de panneaux de fibres
WO2004055268A1 (fr) * 2002-12-18 2004-07-01 Korsnäs AB (publ) Suspension fibreuse de pulpe de sulfate traitee par enzymes et de carboxymethylcellulose utilise pare comme materiau brut pour emballages
WO2013050456A1 (fr) * 2011-10-06 2013-04-11 Hamlet Protein A/S Procédé pour la production simultanée d'éthanol et d'un produit solide fermenté

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021066654A1 (fr) 2019-10-04 2021-04-08 Huhtamaki Molded Fiber Technology B.V. Couvercle à boire biodégradable et procédé de fabrication d'un tel couvercle à boire
NL2023969B1 (en) 2019-10-04 2021-04-13 Huhtamaki Molded Fiber Tech Bv Biodegradable siplid and method for manufacturing such siplid

Similar Documents

Publication Publication Date Title
Sisti et al. Retting process as a pretreatment of natural fibers for the development of polymer composites
Bilal et al. Biotransformation of lignocellulosic materials into value-added products—a review
García et al. Industrial and crop wastes: A new source for nanocellulose biorefinery
Singh et al. Industrial application of microbial cellulases
Rahnama et al. Effect of alkali pretreatment of rice straw on cellulase and xylanase production by local Trichoderma harzianum SNRS3 under solid state fermentation
CN113950550B (zh) 纤维素纤维的制备
EP3058137B1 (fr) Materiau d'emballage d'aliment en paté moulée de gramen et procede correspondant
Sharada et al. APPLICATIONS OF CELLULASES-REVIEW.
CN111670282B (zh) 用于由模制的纸浆材料制造3维食品包装单元的方法和系统以及这样的食品包装产品
US8864939B2 (en) Manufacturing feedstock from fruit by-product processing
WO2012027374A3 (fr) Glucides-hydrolases fongiques inédites
WO2009018537A3 (fr) Nouvelles enzymes fongiques
WO2012021883A3 (fr) Nouvelles enzymes fongiques
US20150259370A1 (en) Integrated process extraction of pineapple biomass into fibers and natural products
WO2016167648A1 (fr) Procédé de fabrication d'un produit fibreux moulé, tel qu'un conditionnement pour œufs, à partir d'une matière de biomasse d'origine végétale, et un tel produit fibreux moulé
CN102443069A (zh) 一种玉米的处理方法
NL2014624B1 (en) Method for manufacturing a moulded fiber product, such as an egg packaging, from a biomass material of plant origin, and such moulded fiber product.
CN102414365A (zh) 用于涂布纸产品循环的方法和设备
CN104822838A (zh) 研磨方法
Chauhan et al. Enzymatic retting: A revolution in the handmade papermaking from Calotropis procera
CN104812778A (zh) 研磨方法
RU2817124C1 (ru) Термомеханическая масса из соломы гороха и способ изготовления из неё бумаги и картона
US20230312844A1 (en) Plant-Based Fibrous Product For Thermoforming
JP2008142024A (ja) 筍の皮を用いたアルコール製造方法
Charlet Natural fibres as composite reinforcement materials: Description and new sources

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16733217

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16733217

Country of ref document: EP

Kind code of ref document: A1