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106 results about "Forest product" patented technology

A forest product is any material derived from forestry for direct consumption or commercial use, such as lumber, paper, or forage for livestock. Wood, by far the dominant product of forests, is used for many purposes, such as wood fuel (e.g. in form of firewood or charcoal) or the finished structural materials used for the construction of buildings, or as a raw material, in the form of wood pulp, that is used in the production of paper. All other non-wood products derived from forest resources, comprising a broad variety of other forest products, are collectively described as non-timber forest products (NTFP). Non-timber forest products are viewed to have fewer negative effects on forest ecosystem when providing income sources for local community.

Process for preparing a black liquor-phenol formaldehyde thermoset resin

Disclosed is a process for preparing phenol-formaldehyde thermoset resin that can contain up to 80% by weight a black liquor, preferably a sodium carbonate black liquor. Black liquor are by-products extracted from pulping process, which normally contain lignosulfonates, kraft lignin or sodium carbonate lignin as well as salts, depending on the process that is used. The use of such a black liquor permits to obtain a stable copolymerized phenol-formaldehyde thermoset resin. In the process, the black liquor is first mixed with phenol in the pressure of a base. Then, formaldehyde is added together with a base in two successive steps. The obtained thermoset resin has bonding properties that meet or exceed the CSA and ASTM requirements for the engineered forest products, such as wafer boards or oriented strand boards at pressing cycles of 16 mm per second or less.
Owner:CASCADES CANADA INC

Wood-bamboo straw fiberboard and composite board and post wet-method production technique

The invention discloses a wood-bamboo-straw fiber board, and belongs to the technical field of forest product manufacturing. The fiber board is made from any one or two sorts of fiber materials from wood, bamboo, straw, or natural biological insect-resist agents including tobacco stick and the like, 3 to 5 percent of preservative, additives such as treating compound, reinforcing agent, waterproof agent and the like, 12 to 40 percent of fiber soakage moisture content, 6 percent of reinforcing agent starch, 0.5 to 1 percent of waterproof agent wax and rosin latex and 1 to 3 percent of hard board reinforcing agent; and the density of the mixture is controlled to be between 380KG / m<3> and 1,200 KG / m<3> so as to be made into the fiber board. Meanwhile, a preparation method provided reduces wood consumption, makes comprehensive and efficient use of straw and reduces environmental pollution caused by fiber board manufacturing through adopting straw burning and a wet method; moreover, the preparation method saves auxiliary materials and energy sources, thereby reducing cost; the wood-bamboo-straw fiber board does not have toxicity and public hazard, and is capable of being recycled and degradated to form beneficial biological cycle; and the intensity and decorative performance of both fiber board and composite board are improved, thereby enlarging application range.
Owner:郑林义

Method for disposing sludge generated in sewage treatment plant by using earthworms

The invention provides a method for disposing sludge generated in a sewage treatment plant by using earthworms. The method comprises the following steps: finishing the sludge into a sludge basement layer material bed ridge for culturing earthworms; putting a layer of additives on the surface of the sludge basement layer material bed ridge; putting the earthworms in the additives; covering a layer of herbaceous and woody plant waste materials on the additives with the earthworms so as to form an earthworm-edible stacking layer consisting of the sludge, the additives and the herbaceous and woody plant waste materials; treating the herbaceous and woody plant waste materials by using the earthworms so that the herbaceous and woody plant waste materials are converted into wormcast; after separating the earthworms from the wormcast, recycling the earthworms; and putting the wormcast in a sun shed for drying. In the invention, the earthworm is utilized to treat the sludge so as not to generate secondary pollution, thus the method has obvious economic benefits; and the wormcast can be used as a base material for producing an organic fertilizer and used for forest product production or as a garden fertilizer after the sludge is converted into the wormcast.
Owner:刘波

Method for processing and manufacturing forest product nutrient health-care porridge

InactiveCN102742768AHave identityHave enjoymentFood preparationAdditive ingredientSenescence function
The invention relates to a method for processing and manufacturing a forest product nutrient health-care porridge. The forest product nutrient health-care porridge is processed and manufactured by black fungus superfine powder of which the original nutritional ingredients are kept by employing a physical processing method and mixed and soaked black rice, sticky rice, red bean, kidney bean, blueberry, hazelnuts, pine nut, lotus seed, medlar, candied date and white fungus. The forest product nutrient health-care porridge has the advantages of low technical requirements, basic investment and lowcost, is easily accepted, approved and eaten by common consumers and has the health-care effects of lowering lipid and losing weight and the like. The forest product nutrient health-care porridge belongs to a convenient and rapid food, integrates the health-care effects and nutritional ingredients of food ingredients of the traditional health-care porridge such as the black rice, sticky rice, redbean, kidney bean, lotus seed, candied date and white fungus, combines unique nutrient health-care effects of forest special products such as the black fungus, blueberry, hazelnuts and pine nut, and has the effects of lowering lipid and losing weight, strengthening the heart and the lung, tonifying spleen and appetizing, reinforcing intelligence and restoring consciousness, promoting the metabolism, prolonging life, resisting diseases, improving the immunity and delaying senescence.
Owner:吴洪军

Natural cinnamaldehyde extraction device

The invention discloses a natural cinnamaldehyde extraction device, and relates to the technical field of chemical equipment manufacturing of forest products. A raw material heater in a natural cinnamaldehyde evaporation device is arranged on the upper part of the outside of a raw material distillation still, the raw material heater and the raw material distillation still form a distillated raw material circulating system through a raw material circulating pump, and the raw material heater takes hot oil provided by a hot oil furnace as a heating medium; and multiple layers of corrugated mesh packing are filled in a distillation column of the natural cinnamaldehyde extraction device. The natural cinnamaldehyde extraction device disclosed by the invention can solve the problem that when the existing natural cinnamaldehyde extraction device distillates cinnamon oil and extracts natural cinnamaldehyde, an overheating situation is caused by the fact that the cinnamon oil is heated unevenly, so that the cinnamon oil is degenerative and the production efficiency is low.
Owner:广西京桂香料有限公司

Method for producing active carbon by pyrolysing pepper branches

The invention relates to a method for producing active carbon by pyrolysing pepper branches. The method comprises the following steps: a, detaselling the pepper branches, and airing or roasting and crushing; b, filling the crushed pepper branches by the step a in a rotary furnace, setting the temperature rising rate and temperature range of the rotary furnace, and heating to activate carbon in the presence of activating gases; and c, carrying out acid washing, water washing, drying, crushing and examination in a sieve, and then packaging the active carbon to prepare the product active carbon. Waste used by the invention not only solves the problem of multi-layer compound utilization of forest product pepper and greatly reduces the production cost of the active carbon, but also finds a novel resource capable of producing active carbon with high absorption for the active carbon industry.
Owner:韩城市金太阳花椒油脂药料有限责任公司

Method for preparing bamboo leaf polysaccharides from bamboo pulp

ActiveCN102911287ABroaden the way of productionIncrease added valueProteinase activityNatural product
The invention discloses a method for preparing bamboo leaf polysaccharides from bamboo pulp. The method comprises the following steps of: (1) adding amylase into the bamboo pulp to perform enzymolysis so as to remove starch, and adding lipase to perform enzymolysis so as to remove fat, then adding protease to perform enzymolysis so as to remove protein, and then performing high-temperature enzyme inactivation and centrifugal treatment to obtain a clarifying solution; (2) filtering the clarifying solution by adopting an ultrafiltration membrane device to obtain a concentrated solution of the bamboo leaf polysaccharides; and (3) drying the concentrated solution of the bamboo leaf polysaccharides to obtain powder of the bamboo leaf polysaccharides. According to the method disclosed by the invention, the preparation ways of the bamboo leaf polysaccharides are expanded, the cost is greatly reduced, the promotion of the development and the implementation of industrialization of technologies for the bamboo leaf polysaccharides can be benefited, the added value of bamboos, namely peculiar economic forest products in China can be further improved, the development of natural product resources is enriched, and the method further has a huge promotion effect on the economic development of the forestry and agriculture in China.
Owner:TECHNO (FUJIAN) FOOD INGREDIENTS CO LTD

Organic ecological seedling cultivating pot and preparation method thereof

The invention relates to a seedling cultivating pot and a preparation method thereof, in particular relates to a purely natural seedling cultivating pot and a preparation method thereof, and provides a purely natural organic ecological seedling cultivating pot. The purely natural organic ecological seedling cultivating pot is characterized by being prepared from the following raw materials in parts by weight: 60 to 80 parts of bark, 10 to 30 parts of saw dust, 5 to 10 parts of plant ash, 1 to 5 parts of poultry excrement and 0.1 to 1 part of biological fertilizer leavening agent. The prepared organic nutrition pot is low in cost, wide in resource and stable in quality, so that not only are the problems of waste reutilization, energy conservation and emission reduction solved, but also forest product wastes are utilized to product the soilless nutrition pot, and therefore, the difficult problem of producing seedlings which are cultivated and strengthened in a pollution-free manner is solved. The nutrition pot is produced in an industrialization manner through equipment, so that the user operation is simplified; and the seedling cultivating efficiency and the seedling cultivating effect are improved greatly, so that the user benefit is increased. In addition, the pot is produced strictly according to the quality standard in a machining process in a factory, so that the reliable quality of the pot is ensured; and the seedling cultivating cost is lowered greatly. As a result, the pot provided by the invention is convenient for popularization.
Owner:HEZE UNIV

Efficient heterojunction ultraviolet light catalyst and preparation method and application thereof

The invention discloses an efficient heterojunction ultraviolet light catalyst and a preparation method of the efficient heterojunction ultraviolet light catalyst. The efficient heterojunction ultraviolet light catalyst is a heterojunction catalyst prepared from SrTiO3 and BiPO4. The preparation method comprises the following steps: putting SrTiO3 into a mixed solution of Bi(NO3)3.5H2O and Na3PO4; regulating the pH (Potential of Hydrogen) of the solution by HNO3; putting the solution in a hydrothermal reactor for heating after ultrasonic stirring; washing and drying a product, thus obtaining the efficient heterojunction ultraviolet light catalyst. The preparation method disclosed by the invention is simple and easy, the preparation process is simple, the cost is low, an MB (Methylene Blue) solution (of which the degradation rate is up to 97.94 percent) can be efficiently degraded under the illumination of ultraviolet light, and the preparation method has a good application prospect in forest product chemical wastewater, such as tannin extract, rosin and furfural, which is difficult to be biodegraded and other industrial wastewater.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Method for preparing rosin methyl ester and compound biodiesel raw material through pine oleoresin

The present invention relates to the technical fields of forest product deepening and processing, and renewable energy resources, and a method for preparing rosin methyl ester and a compound biodiesel raw material through pine oleoresin. The method comprises: mixing the pine oleoresin and turpentine oil according to a mass ratio of the pine oleoresin to the turpentine oil of 1:0.4-1.2; heating, melting and filtering; adding the resulting filtrate and methanol to an autoclave according to the mass ratio of the filtrate to the methanol of 1:0.05-0.5, introducing 0-4 MPa of CO2 to the autoclave, wherein the CO2 is adopted as a cosolven to carry out a reaction under a supercritical state or a subcritical state; carrying out standing and demixing for the product after completing the reaction, wherein the upper layer is an alcohol phase, and is subjected to atmospheric distillation to recover the methanol, the lower layer is an oil phase, is subjected to atmospheric distillation to recover the methanol, and then is subjected to a CO2 circulating gas introducing method or a super heating steam method to carry out vacuum distillation and separation to obtain the rosin methyl ester and the compound biodiesel raw material. The method provided by the present invention has advantages of simple production process, environmentally friendly property, no requirement of the catalysts, improvement of the economic feasibility of the biodiesel preparing through the pine oleoresin, and the like.
Owner:GUANGXI UNIV

Method for making wooden quality granule shape activated char used in recovering solvent

InactiveCN1385368ARecycling Technology ExcellenceHigh hardnessCarbon compoundsManufacturing technologyPhosphoric acid
The present invention belongs to a production technique of active carbon by using saw dust or discards of farm and forest products as raw material, and said production technique incldues the following steps: soaking raw material by using activating agent phosphoric acid soaking temp. is 100-200 deg.C, and the concentration of activating agent is 30 Be-60Be, after the raw material is softened and stickability-produced, kneading and extruding to obtain granular semi-finished product, then making the semi-finished product undergo the convertional processes of drying, carbonizing, chemical activating, recovering activating agent, removing impurity, drying, screening and packaging so as to obtain the invneted end product.
Owner:郑国炉
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