Abstract: A method and system are disclosed for actively cooling a fluid, particularly a foamed fluid. The foamed fluid may comprise a foamed suspension of fibers that is used to form a web. The foamed suspension of fibers is fed around a recirculation loop and actively cooled using a heat exchanger.

Abstract: The present invention provides an embossed multi-ply tissue product that is visually pleasing and has improved physical attributes. For example, the inventive multi-ply tissue products have reduced stiffness, such as a GM Flexural Rigidity less than about 600 mg*cm, improved absorbency, such as a Residual Water (WResidual) value less than about 0.15 g, and improved wet resiliency, such as a wet elastic strain ratio greater than about 32 percent.

Abstract: The present disclosure is directed to a Pickering emulsion comprising cellulose filaments. The heterogeneity of the cellulose filament material is critical and beneficial to the formation of stable emulsions. Emulsions with high stability can be prepared by controlling the CF surface properties. It is provided an emulsion comprising an internal phase dispersed in a continuous external phase and cellulose filaments located at the interface of the internal phase and the external phase, wherein the emulsion comprises 50% in volume or more of the internal phase and a method of producing same.

Abstract: A method for manufacturing a multi-layered fibrous web is disclosed, which includes at least two fibrous layers, where each layer is formed from one or more fibre stocks. The fibrous layers are combined prior to subjecting the multilayered fibrous web to wet-pressing and drying. At least one layer of the multi-layered fibrous web is formed from a fibre stock including at least 50 weight-% of a chemi-thermomechanical pulp (CTMP), a hardwood kraft pulp and/or a recycled fibre material calculated from a thick stock applied to a particular layer approach system. A first strength component and a second strength component are added to the fibre stock. The first strength component includes a cationic strength agent and the second strength component includes a synthetic amphoteric polymer composition having a net charge from ?3 to +1 meq/g (dry), at a pH of 7.

Abstract: The present invention relates to compositions, such as filled and coated papers, comprising microfibrillated cellulose and inorganic particulate material.

Abstract: The invention relates to a vegetable paper comprising fibres of a plant that has undergone extraction in a solvent.

Abstract: A method of and an arrangement for adding at least one additional stock component to an approach flow system (30) of a fiber web machine by mixing the at least one additional stock component to a fibrous stock such that the stock flow is equalized (50) and the at least one additional stock component is introduced to the stock flow by injection mixing (80).

Abstract: The present invention is in the field of cleaning compositions. In particular it relates to liquid, gelled or pasty cleaning compositions comprising one or more detergent surfactants. The invention provides cleaning compositions comprising water, one or more detergent surfactants, a water immiscible oil-based phase, and defibrillated primary cell wall material comprising microfibrils. The invention also relates to a method for preparing a cleaning composition comprising water, one or more detergent surfactants and defibrillated primary cell wall material comprising microfibrils, wherein the method includes a high shear treatment step.

Abstract: The present invention relates to a process for the manufacturing of composite materials from natural fibers and thermoplastic polymers. Examples of fibers are wood fibers originating from pulping processes known as refiner pulp (RMP), thermomechanical pulp (TMP) or chemi-thermomechanical pulp (CTMP), but the process can also be applied to other kinds of natural fiber containing raw materials. In the process according to the present invention, fibers are introduced from the blowline or the housing of a refiner into a flash tube dryer, separated from humid air in a cyclone, introduced into a compounder and mixed with at least one thermoplastic polymer and the product is subsequently pelletized. The process according to the present invention is advantageously run as a continuous process.

Abstract: The invention provides woven papermaking fabrics having a machine direction (MD) axis and a cross-machine direction (CD) axis, a machine contacting surface and a sheet contacting surface where the sheet contacting surface comprises a plurality of twill woven protuberances defining valleys there between. Generally the protuberances are skewed relative to a principle axis of the fabric, such as the MD axis and have a non-zero element angle. The protuberances generally have an upper surface defining the upper most surface plane of the web contacting surface of the fabric. Further, the protuberance upper surface is substantially planar providing the protuberances with a height that is substantially constant along the length of the protuberance.

Abstract: Methods for manufacturing, re-activating and using compositions including fibrillated parenchymal cellulose and activator are provided. The activator has a low molecular weight and is used to facilitate reactivation.

Abstract: The present invention relates to a process for improving the strechability of films comprising high amounts of microfibrillated cellulose (MFC) without negatively impacting the oxygen barrier properties. According to the present invention, a film is formed from a suspension comprising microfibrillated cellulose having a broad size distribution.

Abstract: The invention relates to a vegetable paper comprising fibres of a plant that has undergone extraction in a solvent.

Abstract: A recirculation system for a crude oil cargo tank barge having at least one tank includes a pump in fluid communication with at least one tank and recirculation piping in fluid communication with the pump and at least one tank. The pump pumps fluid from at least one tank to the recirculation piping. The recirculation piping then returns the pumped fluid to at least one tank.

Abstract: A trimodal hybrid particle mix loss prevention material (LPM) is provided. The trimodal hybrid particle mix LPM includes date palm seed particles produced from date palm seeds, scrap tire particles produced from scrap tires, and date tree pruning waste particles produced from date tree pruning waste. The LCM may include date palm seed particles in the range of about 40 wt % to about 50%, scrap tire particles in the range of about 30 wt % to about 40 wt %, and date tree pruning waste particles in the range of about 15 wt % to about 25 wt %. Methods of loss prevention and manufacture of a trimodal hybrid particle mix LPM are also provided.

Abstract: A trimodal hybrid particle mix loss prevention material (LPM) is provided. The trimodal hybrid particle mix LPM includes date palm seed particles produced from date palm seeds, scrap tire particles produced from scrap tires, and date tree pruning waste particles produced from date tree pruning waste. The LCM may include date palm seed particles in the range of about 40 wt % to about 50%, scrap tire particles in the range of about 30 wt % to about 40 wt %, and date tree pruning waste particles in the range of about 15 wt % to about 25 wt %. Methods of loss prevention and manufacture of a trimodal hybrid particle mix LPM are also provided.

Abstract: A method for controlling a fiber fractionation system for fractionating an input material into a long fraction (LF) stream comprising LF fibers and a short fraction (SF) stream comprising SF fibers includes measuring an average LF fiber length at one or more locations post-fractionation, and maintaining the average LF fiber length within a target variability range by automatically altering a rotational speed of a rotor of the fiber fractionation system.

Abstract: The purpose of the present invention is to provide a disintegrating tablet having excellent tablet hardness and disintegrability, which is suitable for pharmaceuticals and various kinds of foods such as supplemental foods, nutrition function foods and health foods has been desired as highly convenient forms which can safely be taken by patients who have difficulty in swallowing drugs, elderly people, children, etc., and which can easily be taken without water irrespective of places; and a disintegrative particulate composition comprised in the disintegrating tablet. The present invention relates to a disintegrative particulate composition comprising a disintegrator component and micro-fibrillated cellulose, and a disintegrating tablet for pharmaceuticals or foods, comprising the disintegrative particulate composition, which has excellent tablet hardness and disintegrability.

Abstract: Processes for producing cellulose microfibrils from herbaceous plant material using enzyme compositions, the cellulose microfibrils obtained from the processes and their uses, and compositions comprising the cellulose microfibrils are described.

Abstract: A process for modifying the paper burst strength enhancing attributes of microfibrillated cellulose may include subjecting an aqueous suspension including microfibrillated cellulose, and optionally inorganic particulate material, to high shear, wherein the high shear is generated, at least in part, by a moving shearing element, to modify the paper burst strength enhancing attributes of the microfibrillated cellulose. An aqueous suspension may include microfibrillated cellulose, and optionally inorganic particulate material, obtainable by the process. A papermaking composition and/or a paper product may be obtained from the process.

Abstract: A differential density absorbent towel paper web having from about 45% to about 90% by weight of the dry fiber basis of the differential density absorbent towel paper web of a softwood pulp fiber mixture and from about 10% to about 55% by weight of the dry fiber basis of the differential density absorbent towel paper web of a hardwood pulp fiber mixture is provided. The softwood pulp fiber mixture has: 1) from about 20.0% to about 88.5% by weight of the dry fiber basis of softwood pulp fiber; and, 2) from about 0.05% to about 5.0% by weight of the dry fiber basis of strengthening additive. The hardwood pulp fiber mixture has: 1) from about 9.9% to about 54.9% by weight of the dry fiber basis of hardwood pulp fibers; and, 2) from about 0.05% to about 20.0% by weight of the dry fiber basis of cellulose nano-filaments.

Abstract: A differential density absorbent towel paper web comprising at least one ply. The differential density absorbent towel paper web has from about 45% to about 90% of a softwood pulp fiber mixture and from about 10% to about 55% of a hardwood pulp fiber mixture. The softwood pulp fiber mixture has from about 20% to about 89.9% of softwood pulp fibers; from about 0.05% to about 20% cellulose nanofilaments; and, from about 0.05% to about 5.0% of strengthening additive.

Abstract: A differential density soft sanitary tissue paper web comprising at least one ply. The differential density soft sanitary tissue paper web comprises from about 2% to about 56.5% of a softwood pulp fiber mixture and from about 43.5% to about 99.9% of a hardwood pulp fiber mixture. The softwood pulp fiber mixture comprises from about 0% to about 56.4% of softwood pulp fiber; from about 0.05% to about 20.0% of cellulose nanofilaments; and, from about 0.05% to about 3.0% of strengthening additive.

Abstract: Compositions comprising enzyme compositions are provided. Also provided are methods of treating virgin fiber and recycled wastepaper containing mineral oils using the compositions comprising enzyme compositions. The mineral oils generally originate from wastepapers with mineral oil based inks and certain other hydrocarbon-based chemistries used during the manufacturing, paperboard converting, and packaging process. The enzymes break down or modify mineral oils present in the fiber and paper, mobilize and liberate them from the fibers, and increase removal of mineral oils during paper recycling, pulping and papermaking processes. The method results in the break down or modification of mineral oil components in wastepaper, recycled pulp, and paper products by the enzyme compositions so that the mineral oils can be more efficiently detached and removed.

Abstract: Cellulose is oxidized catalytically using a heterocyclic nitroxyl radical as catalyst, main oxidant acting as oxygen source, and an activator of the heterocyclic nitroxyl radical. The oxidation is performed in a reaction medium which is at medium consistency of cellulosic pulp, which is above 6%, more preferably equal to or higher than 8%, and most preferably in the range of 8-12%. The reaction medium is mixed in a reactor through circulation of the reaction medium back to the reactor.

Abstract: The present invention provides a method for producing fibrillated cellulose, the method comprising providing pulp, treating said pulp at a consistency of at least 10% with a cellulase, and fibrillating said pretreated pulp to obtain fibrillated cellulose. The present invention also provides a nanofibrillar cellulose product.

Abstract: The invention is a process including the steps of manufacturing of compreg laminated wood and transforming the wood thus obtained to ornamental and utility products, including steps of quality checking, veneer selection, Impregnation of veneer with solution of dye and thermosetting resin, drying in kiln, glue spreading followed by bunching, followed by cooling resulting in creation of slab, followed by trimming & cutting of slabs into strips of small sizes, shaping drawing on the sheet as per the profile required, shaping and profiling by CNC Router Machines, grinding and shaping by expert craftsman to bring out the color patterns, end rounding for smooth edges, grinding using various grits of emery wheels for surface finish, polishing/buffing for mirror like surface finish.

Abstract: A process for making absorbent towel paper webs is provided. The process comprises the steps of (a) providing a papermaking furnish having from about 45% to about 90% by weight of the dry fiber basis of the tissue towel paper web of a refined softwood pulp fiber mixture having from about 20.0% to about 88.5% by weight of softwood pulp fiber and from about 0.05% to about 5.0% by weight of strengthening additive and from about 10% to about 55% by weight of the dry fiber basis of the absorbent towel paper web of a hardwood pulp fiber mixture having from about 9.9% to about 54.9% by weight of hardwood pulp fibers and from about 0.05% to about 20.0% by weight cellulose nanofilaments; (b) forming a wet fibrous web from the paper making furnish; and, (c) drying the web until the web contains not more than about 10% by weight moisture.

Abstract: A process for making absorbent towel paper webs is provided. The process has the steps of (a) providing a papermaking furnish having from about 45% to about 90% by weight of the dry fiber basis of the absorbent towel paper web of a refined softwood pulp fiber mixture having from about 20% to about 89.9% by weight of softwood pulp fiber, from about 0.05% to about 20% by weight of cellulose nanofilaments, and from about 0.05% to about 5.0% by weight of strengthening additive, and from about 10% to about 55% by weight of the dry fiber basis of the absorbent towel paper web of a hardwood pulp fiber mixture; (b) forming a wet fibrous web from the paper making furnish; and, (c) drying the web until the web contains not more than about 10% by weight moisture.

Abstract: A holding material including: inorganic fibers that include 70 wt % or more of an alumina component an organic binder other than polyacrylamide of which the surface is negatively charged, alumina sol, and polyacrylamide having a weight-average molecular weight of 3,000,000 to 6,000,000, wherein the amount of the alumina sol is 2 to 8 parts by weight relative to 100 parts by weight of the amount of the inorganic fibers, and the amount of the polyacrylamide is 0.01 to 1.0 parts by weight relative to 100 parts by weight of the amount of the inorganic fibers.

Abstract: The present invention relates to microfibrillated cellulose (“MFC”), in particular to microfibrillated cellulose, which is morphologically different from conventional MFC known in the art and/or which provides improved water retention properties and/or improved rheological properties, in particular increased zero shear viscosity, ?0, (also known as: “viscosity at rest”, i.e. viscosity in the absence of shear forces), in solution, in particular in polyethylene glycol (PEG) as solvent, vis-a-vis conventional MFC as known in the art.

Abstract: A method is provided for decision support in regulating an adhesive coating applied to Yankee dryers. Online sensors are configured to continuously measure stock characteristics, and additional sensors provide actual stock flow rate and machine speed. A controller predicts potential natural coating application from a fibrous sheet generated from the stock to the Yankee dryer surface, substantially in real time, based on the measured characteristics and sensed actual machine values. An output signal may be provided to a display unit, wherein an optimal adhesive coating feed rate may be determined and displayed for operator decision support. The controller may in an automatic mode be configured to regulate the adhesive coating feed rate based on a comparison of one or more determined optimal values associated with respective actual values. The method may include identifying fiber source changes in real time, and predicting a natural coating potential based partly on predetermined correlations.

Abstract: A process is provided for making a fluff pulp sheet, comprising contacting at least one cationic trivalent metal, salt thereof, or combination thereof with a composition comprising fluff pulp fibers and water at a first pH, to form a fluff pulp mixture; forming a web from the fluff pulp mixture; and applying at least one debonder surfactant to the web and raising the pH to a second pH, which is higher than the first pH, to make the fluff pulp sheet. A fluff pulp sheet is also provided, comprising a web comprising fluff pulp fibers; at least one cationic trivalent metal, salt thereof, or combination thereof; at least one debonder surfactant; and a fiberization energy of <145 kJ/kg. Products and uses of the fluff pulp sheet are also provided.

Abstract: Compositions such as filled and coated papers may include microfibrillated cellulose and inorganic particulate material.

Abstract: The present invention provides an aqueous pigment dispersion including a pigment, an anionic group-containing organic polymer compound, and bio-nanofibers having an average diameter of 1 nm or more and 100 nm or less and an aspect ratio of 100 or more, and also provides an aqueous ink using the aqueous pigment dispersion. The bio-nanofibers are preferably cellulose nanofibers or chitosan nanofibers. The anionic group-containing organic polymer compound is preferably at least one selected from the group consisting of acrylic resins having anionic groups, polyurethane resins having anionic groups, and polysaccharide derivatives having anionic groups.

Abstract: The present invention is directed to products, such as paper and paperboard products, comprising a substrate containing cellulose and top ply comprising microfibrillated cellulose and inorganic particulate, to methods of making such paper and paperboard products, and associated uses of such paper and paperboard products. The microfibrillated cellulose and inorganic particulate material are applied at the stage when the wet substrate is in the process of being formed on the wire of a papermaking machine, thereby avoiding the additional cost of more extensive equipment and machinery as well as in separate drying of a coating. The microfibrillated cellulose facilitates the application of inorganic particulate onto the surface of a wet paper or paperboard substrate when applied thusly, by trapping the inorganic particulate on the surface of the substrate and by giving the composite sufficient strength and a suitable pore structure to make it suitable for printing and other end-use demands.

Abstract: The modification of sand with superhydrophobic silica/wax nanoparticles may provide for water storage, applicable, for example, in desert environments. In particular, highly thermal stable superhydrophobic coats for sand are made of nanoparticles composed of superhydrophobic silica capped with paraffin wax. Superhydrophobic sand modified by such nanoparticles addresses issues of water storage in desert environments, capitalizing on sand resource utilization. Superhydrophobic sand, as modified, has excellent water repellency and great water-holding capacity. The superhydrophobic sand modified with superhydrophobic silica/wax nanoparticles can be applied for the desert water storage for agriculture and planting.

Abstract: The present invention relates to a process for producing at least one ply of a paper or paperboard product which process comprises the steps of; subjecting cellulosic fibers to heat treatment wherein the fibers are treated at a high dry content and at an increased temperature, preparing a slurry comprising said heat treated fibers, forming a web of said slurry and, dewatering said web whereby a ply of said product is formed. The present invention further relates to a paper or paperboard product produced according to the process.

Abstract: A method for fibrillation of cellulose includes the following steps: introducing fiber pulp of anionic cellulose at a consistency of 1 to 4% into a homogenizer, and homogenizing fiber pulp in the homogenizer at a pressure of 200 to 1000 bar, advantageously 300 to 650 bar, and by using 2 to 4 passes through for the same fiber pulp under these conditions, and after passes through, taking pulp from the homogenizer, which pulp has been fibrillated by homogenization to a degree than can be expressed as Brookfield viscosity exceeding 10,000 mPa·s (consistency 0.8%, 10 rpm).

Abstract: A cellulose pulp particle having the shape of a general prismatoid having two parallel bases, the pulp particle comprising pulp fibers in a wet laid pulp sheet form, one of the bases having an area that is equal to or greater than the area of the other base, the area of the larger base being equal to or less than 30 mm2 and equal to or greater than 8 mm2, the height of the particle, the perpendicular distance between the bases, being equal to or greater than 0.9 mm and equal to or less than 5 mm.

Abstract: Invention relates to a method of manufacturing glassine paper comprising following steps of producing paper by forming a paper web in a forming section and drying the web in a press section and in a pre-drying section; applying film-forming product on both sides of the web; removing moisture from the film-forming product in an after-drying section; passing the web having film-forming product on its surfaces through an on-line calendering process; and reeling up the glassine paper.

Abstract: The invention relates to a method for processing an aqueous gel of nanofibrillar cellulose by removing water from the aqueous gel by means of an organic solvent miscible with water. In the method: aqueous gel is introduced into a volume of organic solvent miscible with water in a controlled manner so that the aqueous gel is kept as a separate phase and forms discrete physical entities containing the nanofibrillar cellulose within the phase; water is changed with the organic solvent in said discrete physical entities of nanofibrillar cellulose; and the physical entities are separated from the volume of organic solvent.

Abstract: A method for processing fibril cellulose which is in the form of aqueous fibril cellulose gel includes lowering the pH of the aqueous fibril cellulose gel to provide aqueous fibril cellulose gel of reduced water retention capacity, and dewatering the aqueous fibril cellulose gel of reduced water retention capacity to provide dewatered fibril cellulose. The dewatering is performed by pressure filtration.

Abstract: Provided is a method which is capable of producing a cellulose nanofiber dispersion liquid that has a low viscosity and excellent fluidity even at a high concentration, while exhibiting excellent transparency. In a method for producing cellulose nanofibers, wherein a cellulosic starting material is oxidized in water using an oxidant in the presence of an N-oxyl compound and a compound that is selected from the group consisting of a bromide, an iodide and a mixture thereof and the thus obtained oxidized cellulose is defibrated and dispersed, pulp which is obtained by carrying out kraft cooking after a hydrolysis process is used as the cellulosic starting material.

Abstract: A method includes, using at least one processing device, obtaining an image of a web of creped tissue paper and identifying a caliper measurement of the web using the image. The caliper measurement is based on a dominant frequency of the web and a standard deviation of diffusely-reflected light from the web. The dominant frequency of the web can be based on a number of crepe folds having a dominant crepe fold size that fit within a specified unit distance of the web in the image. The dominant crepe fold size can be determined using a discrete auto-covariance function of the image or a second image of the web. The standard deviation can be based on a variation of reflected light from larger crepe structures in the web.

Abstract: A mixture of lyocell fiber and low DP or standard DP cellulose pulp fiber having a Canadian Standard Freeness of 250 mL CSF or less is dried and has a Canadian Standard Freeness of 250 mL CSF or less. The pulp is 10% to 75% of the total weight of fibers in the mixture. Both the dried product and the process of making it are disclosed.

Abstract: A method of curing cementitious material comprising added a fibrillated carboxyalkyl cellulose, cellulose alkylsulfonic acid, phosphorylated cellulose or sulfated cellulose having a degree of substitution of 0.01 to 0.45 to the material during mixing. The fibrillated carboxyalkyl cellulose, cellulose alkylsulfonic acid, phosphorylated cellulose or sulfated cellulose may also include bleached or partially bleached wood pulp fiber. The fibrillated carboxyalkyl cellulose, cellulose alkylsulfonic acid, phosphorylated cellulose or sulfated cellulose has a substituent content of from 10 to 150 meq/100 g cellulose fiber. The fibrillated carboxyalkyl cellulose, cellulose alkylsulfonic acid, phosphorylated cellulose or sulfated cellulose is 0.1 to 5% by weight of the dry weight of the cementitious material. The structure produced by the method. The autogenous shrinkage of the cementitious material is reduced.

Abstract: An absorbent pad for absorption and containment of oil based products. The absorbent pad includes a plurality of absorbent modules contained within a hydrophobic, porous and flexible top and base material, each absorbent module having a hydrophobic, oil absorbent material sealed therein, each of the plurality of absorbent modules being spaced from adjacent absorbent modules by a gap to allow the absorbent modules to flex and twist with respect to each other as well as permitting oil-based products to flow up through the gap between adjacent absorbent modules.

Abstract: A method for mixing a chemical into a process liquid including: injecting the chemical into the process liquid flowing through a flow pipe; forming reaction products by a reaction involving the chemical occurring in the process flow; applying an electric field or magnetic field to a region of the flow pipe adjacent to the reaction occurring in the process flow, and suppressing the precipitation of the chemical or the reaction products on the surfaces of the pipe due to the electric or magnetic field.

Abstract: The invention relates to a method for processing lignin. The method includes feeding lignin material to the system, decreasing particle size of the lignin material in a grinding device in order to manufacture lignin powder having particle size distribution wherein at least 85 wt. % of the lignin agglomerates and particles are less than 300 microns, and increasing dry solids content of the lignin material at least 5 percentage units while decreasing the particle size in the grinding device. In addition, the invention relates to a system for processing lignin, a lignin powder, a method for manufacturing a product including lignin, a system for manufacturing a product including lignin and a product including lignin powder.