255 results about "Natural organic matter" patented technology

The invention discloses a method for preparing a suaeda salsa biogenetic salt. The method comprises the following steps of: taking parts, such as stems and leaves, above roots of fresh suaedasalsa; juicing; adding water into residual solid parts and extracting once; mixing the two liquids; and performing enzymolysis, boiling, decoloration, heavy metal removal, concentration and crystallization onthe mixed liquid, thus obtaining a finished product. The yield of the product is 1.2-2.1%. The product comprises inorganic salts serving as major ingredients and natural organic matters serving as minor ingredients. The inorganic salts mainly comprise sodium chloride, potassium chloride and magnesium sulfate as well as a trace amount of trace elements (Ca, P, Fe, Zn, Se, I, Cu and Mn) and the organic matters in the product mainly comprises vitamins, amino acid and polysaccharide. During preparation, any chemical substances are not required; furthermore, the raw materials are abundant, readilyavailable and low in cost, and have extremely high economic additional value; and moreover, the preparation method is simple and feasible, is easy to produce and operate, and is wide in market prospect.

The invention relates to a restoration agent for saline-alkali land soil, which consists of free gypsum dehydration, nature organic substance, microbial fertilizer and inorganic nutrient with weight ratio of 60-70:25-35:1-4:3-6; the content of dihydrate calcium sulfate in the free gypsum dehydration is over 80 percent; the nature organic substance consists of weathered coal and grass carbon with weight ratio of 1.0:0.93; the content of effective bacteria in the microbial fertilizer is 2.0 hundred millions / g; and the inorganic nutrient consists of urea, ordinary superphosphate and potassium chloride with weight ratio of 1.0:2.42:075. The restoration agent can utilize calcium ions in the free gypsum dehydration for replacing sodium ions in the soil so as to lower the alkalinity in the soil and provide calcium and sulfur elements for crops, while the nature organic substance can lower and regulate the slat content and the alkalinity in the soil. In addition, the nature organic substance, the microbial fertilizer and the inorganic nutrient can supply large amount of nutrient elements such as nitrogen, phosphorus, potassium and the like to the crop for normal growth, thereby being capable of improving the yield of the crop.

The invention is directed to a microbiological interception enhanced filter medium, preferably having an adsorbent prefilter located upstream from the filter medium. Preferably, the prefilter is adapted to remove natural organic matter in an influent prior to the influent contacting the microbiological interception enhanced filter medium, thereby preventing loss of charge on the filter medium. The microbiological interception enhanced filter medium is most preferably comprised of fibrillated cellulose fibers, in particular, lyocell fibers. At least a portion of the surface of the at least some of the fibers have formed thereon a microbiological interception enhancing agent comprising a cationic metal complex. A filter medium of the present invention provides greater than about 4 log viral interception, and greater than about 6 log bacterial interception.

The invention discloses a degraded natural organic bundle slow release fertilizer, which comprises the following steps: comprising easy soluble nitrogen particle fertilizer; coating natural organic bundle slow release with the main element as lignin; coating vegetable fat film layer out of nature organic film layer as sealer; bruising the nature organic matter with the main element below 60 order as coating material; adopting normal disc pelleting method; sticking the coating material to the surface of easy soluble nitrogen fertilizer particle; drying; spraying vegetable fat as sealer; getting the product. This fertilizer is very cheap, which can be used to cotton, corn, wheat, flower and lawn.

The environment protection type bioactive plant-growing container for growing seedlings in planting consists of plant fiber powder 20-75 wt%, natural organic matter 10-60 wt%, bioactive nutrient 0.5-20 wt%, non-toxic adhesive 10-50 wt% and stuffing 3-10 wt%. The said plant fiber powder is husk powder, rice straw powder, corn straw powder, wheat straw powder, etc; the natural organic matter includes turf and sphagna; and the bioactive nutrient is algin. The plant-growing container is produced through mixing the said material and press molding at 80-160 deg.c.

A paper sheet is characterized in that a microcapsule wrapping an antibacterial material is applied to at least one surface of the paper sheet; and the antibacterial material wrapped in the microcapsule is volatile essential oil, a natural extracting solution or a natural organic matter with an antibacterial function. As the microcapsule wrapping the antibacterial material is applied to the surface of the paper sheet, the antibacterial material is effectively prevented being diffused and lost before the paper sheet is used, the microcapsule is ruptured under stress due to the actions of wiping, kneading, folding and the like of the paper sheet in the using process, and the antibacterial material in the microcapsule is released to achieve the effective antibacterial effect.

A synthetic resin leather comprising a substrate at least one surface of which is arranged with a synthetic resin layer, wherein said synthetic resin layer contains 1 to 70 weight parts of bridged polyalkylene oxide to 100 weight parts of synthetic resin. As the synthetic resin, polyvinyl chloride resin, acrylic soft resin, mixed resin composed of 50-95 wt. % of thermoplastic polyurethane and 50-5 wt. % of acrylic soft resin, copolymer of polyester resin or polyolefin resin can be used. A surface coating layer containing powder of natural organic substance can be arranged over the surface of synthetic resin layer of said synthetic resin leather. As the powder of natural organic substance, collagen can be desirably used. Further, on the surface of the synthetic resin leather, it is desirable to mark a pattern and to make the height of convex part of the pattern higher than 0.05 mm.

The invention relates to a way to remove the pollutant in water by water treatment chemical together with the microray. It is a kind of water treating method which solved the problem of long reacting time and large dosage of oxide in treating the water pollutant. It's realized by the following steps: (1)determine the content of the pollutant; (2) the ratio of the water treatment chemical to the pollutant is 1-10:1; (3) adjust the Ph value of the water; (4) treat the polluted water with water treatment chemical as well as microray; (5) separate the solid substance from water to get purified water. Compared to the traditional method, the dosage of the oxide is 30% less in the invention, the removal rate of ammonia nitrogen is 10-60% higher in the invention than the treatment with only ferri-salt; the degradation rate of the natural organic humic acid has been increased by 20-40%; the hard-to-degrade organics (such as nitrobenzene) removal rate has been increased by 30-50%; the invention has many advantages such as low cost and reliable operation it has extensive applying prospect in water treatment domain.

The invention belongs to the technical field of agricultural cultivation, which comprises a comprehensive treatment method for livestock and poultry breeding industry pollution, a special feed bridging agent, a biological edible warm pad and biological organic fertilizer; wherein, the comprehensive treatment method for livestock and poultry breeding industry pollution is realized by the steps as follows: (1) the livestock and poultry are fed by the feed bridging agent which is prepared by that probiotic bacterial flora is enlarged for cultivation and inoculated to natural organic matter for fermentation; (2) the livestock and poultry cultivation ring is padded by the biological edible warm pad which is prepared by the fermentation by matching the probiotic bacterial flora and the biological organic raw material; (3) the biological edible warm pad mixed with the dejecta of the animals is added into microbial flora so as to prepare the completely rotten biological organic fertilizer. The treatment method of the invention has the advantages that the feed is sufficiently absorbed in the animal body, the nutrition drainage is reduced, the feed is saved and the pollution is reduced; no waste gas and no waste matter are generated during the cultivation process; the pollution source is thoroughly eliminated; the pollution of the cultivation on the environment is radically solved; the dejecta of the animals is processed in situ and the organic fertilizer is produced.

The invention relates to a method for modifying low-density wood. The method comprises sucking wood, increasing weight, soaking, drying, thermosetting and compressing, wherein the water content of the wood subjected to sucking treatment is 28-32 percent; the gain in weight of wood subjected to weight increasing treatment is 30-35 percent; the gain in weight of the wood subjected to soaking treatment is 15-20 percent; the water content of the wood subjected to drying treatment is 15-18 percent; and a soaking agent comprises the following components in parts by weight: 100 parts of thermosetting resin, 10-20 parts of water-soluble natural organic matter, 3-5 parts of aqueous waterproof agent, 0.5-1 parts of fire retardant and 1-2 parts of surfactant. In the modifying method, a physical modifying technology, a chemical modifying technology and a mechanical modifying technology of hot compression deformation are organically combined, so that modified wood has high density, high intensity and the like of high-level wood, has higher size stability than high-level wood, and has the characteristic of low cost compared with high-level wood.

The present invention discloses a continuously-submerged photocatalytic membrane treatment equipment capable of removing natural organics from water, beloning to the field of micropollutant water and drinking water treatment technology. Said equipment includes the following components: fiber bundle filter device, reactor integrated photocatalysis and submerged microporous filtration into one body, air compressor and suction pump. Said invention also provides the concrete structure of the above-mentioned every component, and the photocatalyst in the reactor is granular nano TiO2.

The invention relates to a method for removing organic pollutants from water by drinking water enhanced treatment, which comprises the following steps: adding an oxidizing chemical medicament in water to be treated for reaction for 0.5 to 10 minutes and filtering the water by using a modified granular filter medium filter bed, wherein 0.2 to 5 milligrams of chemical medicine is added into each litter of water to be treated; and filtering a granular filter medium by using quartz sand, zeolite, cordierite, ceramic grains and other filter beds undergoing surface modification by oxides of metals such as iron, manganese and aluminum, wherein before filtration, the oxidizing mixed medicine at a certain concentration is added into water to be filtered, natural organic substances and micro organic pollutants in water can be removed effectively when the water staying in the filter bed for a certain period flows out of the filter bed, and at the same time, the added medicament does not penetrate a filtering layer. The method can remove natural organics in water, in particular persistent micro organic pollutants that generally cannot be removed quickly by the oxidation by potassium permanganate, ozone and hydrogen peroxide, at high speed with high removal rate and small residual amount, and thus is an economic and high-efficient organic pollutant removing method.

Provided is a granular filtration media comprising a mixture of granular filtration media and less than 5% of nanofibers based on the dry weight, method of making the same and uses of the same for removing contaminants from water, including metals, heavy metals, synthetic or natural organic matters, colloidal or suspended particles to improve the chemical safety and purity of water for the purpose of water purification, specifically, one embodiment of the present invention disclosed is use of the granular filtration media to remove particulate lead from high pH water.

The invention provides a magnetic chitosan nanoparticle adsorbent. The structural formula of the magnetic chitosan nanoparticle adsorbent is as shown in the specification. The invention also provides a preparation method of the magnetic chitosan nanoparticle adsorbent. The magnetic chitosan nanoparticle adsorbent provided by the invention is even in grain size, good in dispersibility, high in specific saturation magnetization and abundant in active group quantity has a good removal effect on natural organic matters. The preparation method is simple and easy to control the preparation process. The prepared magnetic chitosan nanoparticle adsorbent is stable in quality.

The invention relates to a method for producing a water-soluble humic acid fertilizer by rapidly degrading natural organics. The produced water-soluble humic acid fertilizer can increase the crop output, improve the quality of farm products and increase the soil fertility. The method comprises the following steps of: sorting and removing impurities from natural organics, crushing, degrading and activating in a reaction kettle, decompression exploding and concentrating to obtain finished products, wherein the temperature is 80 to 175 DEG C, the pressure is 3 to 12.5 barometric pressure, the optical wave is 364-468cm-1 ultraviolet light, a hydrolytic agent is 5 to 20 weight percent of KOH2, an oxidant is 3 to 12.5 weight percent of TiO and a guiding agent is 0.3 to 3 weight percent of FeSO4.

The invention relates to an advanced water treatment technique for pollution removal through heterogeneous catalytic ozonation. Directed at the disadvantage that a conventional powdery catalyst is unfavorable for separation and easy to inactivate in a water phase, a construction method for a novel nanometer copper manganate spinel catalytic membrane reactor is provided. The construction method aims to combine heterogeneous ozonation with a ceramic membrane filtration technique, and utilizes active components (CuMn2O4) on a ceramic membrane catalytic layer to catalyze ozone so as to generate -OH with high oxidation capacity, wherein organic compounds can directly react with molecular ozone or react with -OH generated by ozone decomposition; meanwhile, an interception function of the ceramic membrane can assist to reinforce removal of 2-hydroxyl-4-methoxybenzophenone in water. In addition, ozone can react with humic acid and natural organic matters (NOMs) in the water, so the formation of membrane pollution is effectively controlled. A nanometer copper manganate spinel catalytic membrane provided by the invention has the following advantages: preparation process is simple; operation is convenient; a catalyst on membrane surface is uniformly distributed, so mass transfer efficiency is improved; and the membrane has potential application prospects in treatment of drinking water or wastewater containing pharmaceutical and personal care products (PPCPs).

A system for purifying wastewater comprising the reduction of total organic compounds in wastewater is disclosed. Chemical reducing agents are brought into contact with polluted water and through dynamically stable anode induced electro-coagulation and flotation removing natural organic material and biorefractory pollutants, decreasing competing organic matter for a secondary oxidizing step, where acids oxidize the processed wastewater through series of reactor tubes for the reduction of total organic compounds.

The invention discloses a system and a method for removing natural organic substances and odor-induced substances in micro polluted water, which belong to the fields of water treatment processes and equipment. The system comprises an aeration biological filter tower, an ultra-filtration membrane assembly and a regulating tank, wherein the bottom of the aeration biological filter tower is connected with the bottom of the regulating tank through a pipeline; the regulating tank is provided with two water outlet passages, namely a direct water outlet passage of the regulating tank and a water passage for connecting the regulating tank and the ultra-filtration membrane assembly; the water outlet of the ultra-filtration membrane assembly is connected with the water inlet of a clean water tank through a water outlet pump. The invention also discloses the method for removing the natural organic substances and the odor-induced substances in the micro polluted water by using the system. The treatment process can simultaneously remove the natural organic substances and 2-methyl isoborneol and geosmin serving as the odor-induced substances in the water, the quality of the discharged water is good, the adding amount of a disinfectant is obviously reduced, and the generation of disinfection byproducts is reduced.

The invention discloses a resin-based nano composite adsorbent for deeply removing micro fluorine in water as well as a preparation method and application thereof and belongs to the technical field of water treatment. The resin-based nano composite adsorbent disclosed by the invention takes tertiary amination hypercrposslinked polystyrene-divinylbenzene as a framework, content of tertiary amino groups is 0.2-1.5mmol / g, zirconium oxide nanoparticles are loaded in an organic framework, load amount metered by zirconium element is 10-30wt%, and nano particle size is 10-80nm; and the ratio of pores with the diameter less than 2nm in the composite material accounts for more than or equal to 90% of the total pore volume. The nano composite material disclosed by the invention is rich in micropore structures, influence of a natural organic matter on fluorine removal by virtue of size exclusion effect can be reduced, and deep purification on the micro fluorine in the water can still be realized under the background of high organic matter content.

The invention relates to noodle flour which mainly comprises the constituents of 99.8-99.95% of wheat flour and 0.05-0.2% of edible additive, wherein, the constituent of all the involved edible additives is natural organic matters which have no toxicity; the wheat flour is produced by grinding special wheat and common durum wheat which are matched by proportion. Compared with common wheat, the special wheat used in the invention is 1% higher in protein content and has better al dente performance and color and lustre. The flour has the advantages that the processability is improved, the browning is prevented, the ratio of broken noodles is reduced, the color and lustre and the resilience of noodle products are improved, and the flour can also play a role in the refreshment of the products.

The invention relates to the field of new environmental materials, in particular to a nitrogen-doped hollow carbon polyhedron-carbon@nanotube-based monatomic cobalt catalyst capable of efficiently activating persulfate and a preparation method thereof. According to the invention, ZIF-8 is used as a seed crystal, ZIF-67 grows on the surface of the ZIF-8 through an epitaxial growth method to obtainZIF-8@ZIF-67 with a core-shell structure, then the ZIF-8@ZIF-67 is calcined in an inert atmosphere to obtain carbonized ZIF-8@ZIF-67, exposed cobalt nanoparticles are removed through acid pickling, and the nitrogen-doped hollow carbon polyhedron@carbon nanotube-based monatomic cobalt catalyst is prepared. According to the catalyst, monatomic cobalt is anchored on a carbon matrix through coordination, the catalytic site density is high, the conductivity is good, the ferromagnetism is good, persulfate can be efficiently activated to degrade toxic and harmful organic pollutants in water, the useamount of the catalyst and persulfate is greatly reduced, and the cost is reduced. Moreover, multi-component comprehensive regulation and control of the hollow carbon polyhedron, the carbon nanotubesand the monatomic cobalt are realized for the first time, efficient and stable operation can be realized within a wide temperature range and under the interference of inorganic salt, natural organic matters and the like, and the application prospect is expanded.

The invention discloses a super-hydrophilic acetylene carbon composite nanofiltration membrane and a preparation method thereof, and belongs to the technical field of membrane separation. The composite nanofiltration membrane comprises a porous membrane substrate and a selective separation layer; and the selective separation layer is formed by blending and depositing a novel acetylene carbon material, an organic matter containing a dopamine structure, and polyethyleneimine, the novel acetylene carbon material has a super-hydrophilic material surface and 2-5 nm inherent pore channels, the organic matter containing the dopamine structure can be subjected to a self-polymerization reaction, the surface of the acetylene carbon material is coated with the organic matter to enhance the adhesiveness and hydrophilicity, the polyethyleneimine and the dopamine polymerized organic matter adhered to the surface of the acetylene carbon material can be subjected to a Michael addition / Schiff base reaction to generate a coating layer on the surface of the substrate, and then the surface of the composite membrane is crosslinked under a high-temperature condition by using a crosslinking agent to obtain the super-hydrophilic acetylene carbon composite nanofiltration membrane. The composite membrane has a very high rejection rate and a very high permeation flux on various dyes and natural organic matters in water, and has a super-hydrophilic composite membrane surface.

The invention relates to an advanced water treatment technique for pollution removal through heterogeneous catalytic ozonation. Directed at the disadvantage that a conventional powdery catalyst is unfavorable for realizing separation and inactivation in a water phase, an assembly method for a novel manganese-cobalt complex oxide nanoparticle catalyst-loaded ceramic membrane is provided. The assembly method aims to combine heterogeneous ozonation with a ceramic membrane filtration technique, and utilizes a ceramic membrane structure and active components (MnO2 and Co3O4) on a catalytic layer to catalyze ozone so as to generate -OH with high oxidation capacity, wherein organic compounds can realize reinforced removal of pharmaceutical and personal care products (PPCPs) like 2-hydroxyl-4-methoxybenzophenone in water through direct reaction with molecular ozone or reaction with -OH generated by ozone decomposition; meanwhile, ozone can react with humic acid and natural organic matters (NOMs) in the water, so the formation of membrane pollution is effectively controlled. The manganese-cobalt complex oxide nanoparticles are loaded on the surface of the ceramic membrane, so separation of the catalyst from the water is realized, and a novel method for cleaning and repeated use of the catalyst is provided.

The present invention belongs to the field of soil conditioner, and is especially one kind of aeolian sandy soil conditioner and its usage. The aeolian sandy soil conditioner consists of turf and sapropel as natural organic matters and biological moisture keeping agent of high hydroscopicity resin synthesized with corn. It may be powder or grain, and can regulate the solid, liquid and gas proportion of aeolian sandy soil, decrease its unit weight, improve soil aggregate structure, increase organic matter and humic aid content, raise the physical, chemical and biological performances of soil, and make the soil suitable for crop to grow. When it is used, the aeolian sandy soil conditioner is mixed with aeolian sandy soil containing water in 20-40 % in the weight ratio of 10-77 to 100.

The invention discloses a magnetic nano microcapsule adsorbent, and belongs to the field of nano microcapsule adsorbents. The magnetic nano microcapsule adsorbent is prepared from 4-8 parts of ferroferric oxide, 1 part of humic acid and 4-10 parts of chitosan, ferroferric oxide is prepared from FeCl3.6H2O and FeSO4.7H2O, and the grain size of a ferroferric oxide-humic acid compound ranges from 10 nm to 25 nm. According to a preparation method, on the basis of the existing technology, the dispersing performance and adsorbing performance of the adsorbent are further optimized, the microcapsule adsorbent based on ferroferric oxide-humic acid can be synthesized in situ through one step, and the capsule wall material is environment-friendly natural organic matter chitosan.

To supply a natural feathered fiber insulator, presenting a better insulation performance than the conventional insulator, emitting less hazardous material when disposed and incinerated, being mostly biodecomposed when buried. For the manufacturing, natural feathers are degreased and washed with alcohol 1, and after drying, are processed into fiber shape 2. 1 to 99 weight % of this feathered fiber obtained as component material and 1 to 99 weight % of PP / PET core sheath composite fiber as binder are compounded, and mixed uniformly 3. The mixture is laminated to obtain a required density 4, and heat molded by a hot air dryer 5. Feathered fiber and core sheath composite fiber's core fiber get caught complexly, allowing to increase the whole aperture rate considerably. As feathered fiber is a natural organic substance, it does not emit hazardous material when incinerated, and biodecomposed if buried in the earth.

The present invention relates to an attractant for attracting dendroctonus valens leconte. Said attractant includes component A, component B, component C and component D, in which the component A is alpha-pinene, component B is beta-pinene, component C is 3-carene and component D is verbenone. Their weight mixing ratio is 1:2:10:0.0011.