32 results about "Inert matter" patented technology

The invention discloses an excess sludge reduction bioreactor with variable aeration and a worm attachment oblique plate, which relates to a bioreactor for excess sludge reduction. The bioreactor solves the problems that that the conventional excess sludge reduction device has low oxygen utilization rate, poor aeration adjustment, easy worm drop, low growth density of worm colony, difficult discharge of inert substances and the like. An automatic gas flow adjustor which is well arranged can automatically adjust the air flow entering a plurality of variable micropore aeration pipes according to the dissolved oxygen concentration of sludge mixed solution in a container, thereby realizing variable aeration for the sludge mixed solution in the container; the dissolved oxygen concentration of the sludge mixed solution can be kept at the maximum dissolved oxygen concentration of the worm sludge reduction through the variable aeration; and a plurality of variable aperture vent holes are uniformly distributed on the variable micropore aeration pipes, and the variable range of the diameters of the vent holes is 0.2 to 0.8 millimeter. The excess sludge reduction bioreactor integrates the worm attachment oblique plate and the variable aeration so as to greatly improve the sludge reduction effect, and the sludge reduction reaches over 90 percent.

A method to process grease trap waste or refuse and remove organic matter, and reclaim fats, oils, and grease (FOG) found in it. The process is initiated after dewatering the grease trap material to increase its concentration; the resulting sludge is then mixed with a solvent. The dissolved fractions of fats, oils, and grease are separated using mechanical methods. The solids are washed to further remove any traces of fats, oils, and grease. The solids, substantially free from organic content, are dried to remove any water and / or organic matter remaining, rendering inert solids that can be safely disposed of according to Environmental Protection Agency (EPA) regulations. All fats, oils, and, grease fractions are separated, containing no inert materials, and no water. The solvent is recuperated (recycled), allowing it to be used over again. The recuperated grease fractions, highly pure and homogeneous, constitute an excellent raw material for further oleo-chemical processes and applications.

The invention belongs to the technical field of medicine detection, and in particular relates to a method for detecting related substances of a dexmedetomidine hydrochloride raw material or a preparation. The method specifically comprises the following steps: detecting by using a high performance liquid chromatography method, and performing gradient mobile phase elution, wherein the detection wavelength is 220nm; a 50-95% acetonitrile phosphate buffer solution is adopted as a sample solvent; octyl bonded silica gel, octadecyl bonded silica gel or N-oxidized lycopodine M bonded silica gel is adopted as a chromatographic column of packing; a phosphate buffer solution and acetonitrile are adopted as mobile phases; and the phosphate buffer solution is prepared by dissolving 2.64g of diammonium hydrogen phosphate with water, diluting to be 1000ml, and adjusting the pH value to be 7.3 by using phosphoric acid. Compared with the prior art, the detection method provided by the invention is capable of well separating dexmedetomidine hydrochloride from other inert matters, is capable of accurately testing the contents of other impurities, and has the characteristics of being accurate and reliable in result and good in specificity.

The present invention relates to low molecular weight chitosan oligosaccharides and its preparation method. Chitosan oligosaccharides were obtained under microwave irradiation assisted the electrolyte. The method of preparing chitosan oligosaccharides was described as follows: acid solvent containing electrolyte was added to chitosan. The reaction was performed at 480˜800 W for 3˜12 min. After irradiation ceased, the reaction liquid was cooled to room temperature. Then the solution was adjusted to neutrality with 1˜10 M NaOH or KOH and obtained the pale yellow floc. The processes of precipitation, filtering, desiccation and crushing are settled sequentially. Finally, chitosan oligosaccharides were obtained. Method of the present invention makes chitosan degrade to water-soluble chitosan oligosaccharides and it makes some inert substance become active. The method of the present invention can cut down energy consumption, decrease pollution and save time and raw materials. It has applying perspective of industry and potentiality of extensive market.

The present invention provides a method for allowing a used inert material that has been subjected to a reaction once, which is disposed of in the background art, to be used again as well as a brand-new one. A method of recovering an inert material of the present invention is characterized by in the fixed-bed reactor, the inert material is loaded in an inert material layer provided between a first-stage catalyst layer and a second-stage catalyst layer, the first-stage catalyst layer is loaded with a first-stage catalyst for producing acrolein from propylene, and the second-stage catalyst layer is loaded with a second-stage catalyst for producing acrylic acid from acrolein, the method comprising the steps of: extracting the inert material from the fixed-bed reactor; washing the extracted inert material; and screening the washed inert material.

The invention relates to the technical field of rubber and plastic preparation, and discloses a preparing method of anti-ageing rubber and plastic. The anti-ageing rubber and plastic is prepared from,by weight, 40-80 parts of natural rubber, 30-70 parts of butadiene styrene rubber, 5-10 parts of high styrene resin, 10-15 parts of dioctyl sebacate, 6-12 parts of phenolic resin, 3-5 parts of a vulcanization accelerator, 2-7 parts of an active agent, 0.1-0.5 part of an antioxidant and 5-10 parts of a light stabilizer. The antioxidant and the light stabilizer are added, the antioxidant can delayor restrain the oxidation process of the rubber and plastic material, prevent the ageing of the rubber and plastic material and prolong the service life of the rubber and plastic material, the light stabilizer can shield or absorb the energy of ultraviolet rays, quench singlet-state oxygen and decompose hydroperoxide into inert matter, and therefore high-molecular polymers under the irradiation oflight can eliminate or delay the photochemical reaction probability, prevent or delay the light ageing process and thus prolong the service life of the rubber and plastic product and effectively improve the anti-ageing performance of the rubber and plastic product.

A burner at which fuel cannot be combusted with air as the only source of oxygen for combustion in a stable flame at the burner when the feed rate of the fuel is too low, when the fuel is fed at too high an air-to-fuel mass ratio, when the fuel contains too high an amount of inert matter, or when the specific energy content of the fuel is too low, is modified by supplying oxidant containing more than 21 vol. % oxygen into the base of a flame at the burner, whereupon such fuels can be combusted at the burner.

The invention discloses a ZxOy / F / Nb2O5 / Al2O3 type solid acid catalyst for cracking methyl tertiary butyl ether to prepare high-purity isobutylene, and a preparation method of the catalyst. According to the preparation method, the catalyst comprises the following components in percentage by weight: 0.1-8 percent of ZxOy, 0.1-25 percent of F, 0.5-30 percent of Nb2O5 and 20-95 percent of Al2O3. Under the condition of ensuring high methyl tertiary butyl ether cracking conversion rate, the selectivity of the isobutylene and methyl alcohol nearly reaches 100 percent; meanwhile, inert matters such as water steam do not need to be added into a methyl tertiary butyl ether cracking reaction system, the reaction liquid space velocity of the catalyst is multiplied compared with the liquid space velocity of catalysts with the same type as that of the catalyst disclosed in the invetion, the energy consumption in the industrial production can be reduced, and the utilization rate of equipment is greatly improved.

The invention discloses a method for quickly and efficiently extracting an active antimicrobial substance HSAF (Heat Stable Antifungal Factor) in fermentation liquor. The method comprises the four steps of (1) acidizing the fermentation liquor; (2) breaking emulsification through inert matters; (3) vibrating for extracting ethyl acetate;(4) centrifuging, and absorbing a supernate for extracting the HSAF. According to the method provided by the invention, the added inert matters can effectively break emulsification, the extraction reaction time is shortened to be 1min by adopting the vibrating treatment, and the extraction speed is greatly improved. The method provided by the invention can maximally enable the single extraction efficiency of the HSAF in the fermentation liquor to reach to 88.2 percent which is improved by 1.83 times compared with the control, is convenient to operate and simple in process, and is a summary of an extraction process for the HSAF, which is a product with a great application prospect for the first time.

The invention discloses a cordyceps sinensis antisepsis and anti-inflammation gel and a preparation method thereof. The gel contains a cordyceps sinensis extract, a safflower extract, a sophora flavescens extract, an aloe extract, a Chinese angelica extract, a radix stemonae extract, a selinum japenious seed extract and hyaluronic acid which are used as active ingredients to be applied to the preparation of an external use product for skin, all the compositions are 0.5-40% of the content of a final product and are mixed with an inert matter or carrier according to a certain proportion to form a gel product. The cordyceps sinensis antisepsis and anti-inflammation gel is good in antisepsis and anti-inflammation effects and free of irritation effect on the skin, irritability and toxic or side effect.

The invention discloses an excess sludge reduction bioreactor with variable aeration and a worm attachment oblique plate, which relates to a bioreactor for excess sludge reduction. The bioreactor solves the problems that that the conventional excess sludge reduction device has low oxygen utilization rate, poor aeration adjustment, easy worm drop, low growth density of worm colony, difficult discharge of inert substances and the like. An automatic gas flow adjustor which is well arranged can automatically adjust the air flow entering a plurality of variable micropore aeration pipes according to the dissolved oxygen concentration of sludge mixed solution in a container, thereby realizing variable aeration for the sludge mixed solution in the container; the dissolved oxygen concentration of the sludge mixed solution can be kept at the maximum dissolved oxygen concentration of the worm sludge reduction through the variable aeration; and a plurality of variable aperture vent holes are uniformly distributed on the variable micropore aeration pipes, and the variable range of the diameters of the vent holes is 0.2 to 0.8 millimeter. The excess sludge reduction bioreactor integrates the worm attachment oblique plate and the variable aeration so as to greatly improve the sludge reduction effect, and the sludge reduction reaches over 90 percent.

The invention discloses a sewage treatment system and an operation method thereof. The sewage treatment system comprises an aeration tank capable of providing activated nitrifying bacteria flora activated sludge and a sewage activated nitrifying bacteria flora isolating and tamming concentration system, wherein the sewage activated nitrifying bacteria flora isolating and tamming concentration system comprises a first pH tester, a cyclone separator, a water inlet mechanism, a membrane bioreactor, a controller and a backflow mechanism; the first pH tester is used for monitoring and detecting the pH value of incoming water of the sewage treatment system; the cyclone separator is used for separating and removing inert substances in activated sludge mixed liquid of the aeration tank and comprises a shell and an internal stirring mechanism, and the bottom of the shell is connected to a sludge discharge mechanism through a pipeline; the water inlet is arranged between the aeration tank and the cyclone separator; the membrane bioreactor is used for intercepting and concentrating activated nitrifying bacteria floras, and is communicated with a liquid-phase outlet of the cyclone separator; the controller is used for receiving monitor signals and controlling the operation of the water inlet mechanism, the cyclone separator and the sludge discharge mechanism; the backflow mechanism is used for sending the concentrated activated nitrifying bacteria floras back to the aeration tank. The sewage treatment system disclosed by the invention can resume production quickly after the loss of a nitrifying function suddenly occurs.

A method for processing of expired solid rocket propellant containing ammonium perchlorate, powdered aluminum, and a rubber-based binder for the purpose of recycling ammonium perchlorate, the method comprising: a) wet disintegration of solid propellant in a solution to produce a suspension of solid substances; b) leaching of the suspension of solid substances at an increased temperature in a leaching solution to produce an ammonium perchlorate solution, the leaching solution including at least one of water and unsaturated ammonium perchlorate and containing added inert material based on at least one of porous carbon, diatomaceous earth and a polymer; c) wherein the use of the inert material during the leaching process increases de-agglomeration and decreases re-agglomeration of solid substances of the suspension of solid substances; d) separation of the ammonium perchlorate solution from the suspension of solid substances, the separated ammonium perchlorate solution also containing at least some of the inert material; e) refining of the separated ammonium perchlorate solution from step d) at an increased temperature; f) separation of the at least some of the inert material from the separated ammonium perchlorate solution to produce recycled ammonium perchlorate; g) crystallization of the recycled ammonium perchlorate.