44 results about "Concerted reaction" patented technology

The invention discloses a preparation method of arbidol hydrochloride. The preparation method comprises the following steps of: (1) performing hydroxylation reaction on 3-iodo-4-nitrophenol serving as a raw material by using acetyl chloride to obtain a compound I; (2) performing substitution reaction on the compound I and ethyl acetoacetate under the action of alkali to obtain a compound II; (3) performing reduction-condensation concerted reaction on the compound II under the conditions of acetic acid and iron powder to synthesize an indole ring, and obtaining a compound III; (4) performing N-methylation reaction on the compound III by using dimethyl sulfate to obtain a compound IV; (5) performing di-bromination reaction on the compound IV in carbon tetrachloride by using bromine to obtain a compound V; (6) reacting the compound V and thiophenol under the alkali condition, and obtaining a compound VI after acidifying; (7) preparing a compound VII from the compound VI in the presence of a reaction solvent, namely aqueous solution of dimethylamine and formaldehyde; and (8) acidifying the compound VII in hot acetone to obtain the arbidol hydrochloride. The preparation method is facile in raw materials, mild in reaction conditions, high in yield, easy in separation and purification, low in cost and suitable for industrialized production.

The invention relates to an active iron purifier and bank slope wetland system coupled purifying culture pond drainage system and a drainage method. The system is structurally characterized in that a trash rack and a filter screen are arranged at an inlet of a drainage pipe of a culture pond, the lower end of the drainage pipe is provided with three-way pipes which are communicated with active iron purifiers, a water outlet pipe of each active iron purifier is communicated with a water permeable pipe which is buried inside a gravel bed, a non-sand concrete partition A is arranged between the gravel bed and a bank slope subsurface wetland, and a non-sand concrete partition B is arranged between the bank slope subsurface wetland and a river channel. A water outlet pipe valve is arranged on the water outlet pipe of each active iron purifier, a flushing drainage pipe valve is arranged on the drainage pipe at the bottom of the active iron purifier, and the flushing drainage pipe valve is connected with a flushing drainage pipe which is connected into a sludge well. The drainage system and the drainage method have the advantages that active iron and anaerobes are coupled to be in concerted reaction so as to degrade antibiotics in drained water of the culture pond; a bank slope is utilized fully, cost of capital construction is lowered, and the gravel bed and the bank slope subsurface wetland have good purification effect on outlet water.

The invention relates to the technical field of water treatment, and discloses a sewage treatment method through a concerted reaction of ozone and a supported catalyst. The method comprises the following steps that (1) a coagulant and a coagulant aid are added into to-be-processed sewage, stirring is conducted, and water containing micro-flocculation groups is formed; (2) high-density nano-bubblesare introduced in the water which is processed in the step (1) and contains the micro-flocculation groups, and the micro-flocculation groups are removed by a mud scraper and separated from the water;(3) the separated water in the step (2) is conveyed into a catalytic oxidation tower, a jet device is utilized for mixing the ozone with high-pressure return water of the catalytic oxidation tower, the mixture enters the catalytic oxidation tower, the ozone is added circularly, and a catalytic oxidation reaction is conducted at normal temperature and normal pressure; the catalytic oxidation toweris filled with the catalyst, and the catalyst is the supported catalyst with a transition metal oxide as an active component and aluminium oxide and / or ceramsite as a carrier. The method can effectively remove organic pollutants in sewage, and is high in ozone utilization rate and low in operation cost.

The invention relates to a chemical microwave treatment method of industrial methyldiethanolamine wastewater. The method comprises the following steps: (1) providing the methyldiethanolamine wastewater to be treated; (2) aerating the methyldiethanolamine wastewater to be treated by adding an oxidizing agent so as to increase the amount of dissolved oxygen and evenly mix the oxidizing agent with the water body; (3) adding a sensitizing agent and a coagulant and evenly stirring and mixing; (4) performing a concerted reaction on the sensitizing agent and the coagulant under the action of microwaves so as to generate a coagulant with a better adsorption precipitation effect, thereby further enhancing the adsorption precipitation effect; (5) performing sludge and water separation; (6) leading a separated supernatant to be filtered; (7) generating ozone and hydroxyl radicals under the irradiation of a microwave electrodeless lamp so as to further degrade methyldiethanolamine until methyldiethanolamine is mineralized. According to the method, the effective reaction of methyldiethanolamine can be performed on the basis of the functions of microwave energy; the deep treatment on methyldiethanolamine is further performed via the electrodeless photochemical oxidation of the microwaves, so that the problem that the methyldiethanolamine wastewater is difficult to treat is solved.

The invention discloses an application of a modified protein for improving the viscoelasticity of minced fillet and products of minced fillet. According to the application, a protein solution and a polyphenol solution carry out reactions under the catalytic action of hydrogen peroxide, and then the solution obtained by the reactions and L-cysteine carry out concerted reactions in vacuum to obtainthe modified protein finally. The preparation process is simple, the raw materials are easily available, the efficiency is high, the consumed time is short, the effect is prominent, and the product quality is stable. After the modified protein is applied to minced fillet and products of minced fillet, the viscoelasticity of minced fillet is obviously enhanced, mince fillet products with higher quality can be prepared, and the needs of more people can be satisfied.

The invention specifically relates to a process for producing lubricant base oil through hydrotreatment of heavy-duty bitumen distillate oil, belonging to the technical field of lubricant base oil. According to the invention, heavy-duty bitumen distillate oil is used as a main raw material, cycle oil is used as an auxiliary raw material, and the raw materials are subjected to hydrotreatment, so the recovery effect of the heavy-duty bitumen distillate oil is improved; in particular, cold low-pressure separated oil and hot low-pressure separated oil in process enter a main stripping tower for stripping, so the cleanliness of an oil product is improved; moreover, two-stage hydrogenation reactions are performed, and different catalysts are adopted for a concerted reaction, so hydrogenation catalysis efficiency is improved; and an acidic water treatment apparatus is employed so as to reduce the discharge amount of acidic water. The process is reasonable in route design and ensures the integral rationality, advancement and long-term safe and stable operation of apparatus design. The process of the invention can produce standard lubricant base oil.

The invention discloses a micro-arc oxidation composite aqueous fire retardant coating and a preparation method thereof. A micro-arc oxidization film layer is formed on the surface of a valve metallicmatrix by using a micro-arc oxidation method by adopting alkaline electrolyte, and then an aqueous fire retardant coating is compounded on the surface of the micro-arc oxidization film layer, whereinthe coating takes ammonium polyphosphate, pentaerythritol and melamine as a flame-retardant system, titanium dioxide as a pigment filler, and water as a solvent. When meeting fire, the flame-retardant system of the aqueous fire retardant coating on the outer layer achieves concerted reaction to form a dense spongy expanded carbonaceous layer, a two-dimensional lamellar structure of graphene oxideundergoes multilayer stacking in the carbonaceous layer to form a dense physically blocked layer so as to isolate transfer of outside heat to the inner layer, while the heat conductivity of the micro-arc oxidization film layer on the inner layer is low, so as to further isolate transfer of the heat to the matrix. The micro-arc oxidation composite aqueous fire retardant coating has excellent fireretardant and heat insulating performances, is applicable to valve metals of aluminum, magnesium, titanium and the like, and is strong in binding force, simple and environment-friendly in processing technology and low in cost.

The invention relates to a degradable express bag material. The degradable express bag material is prepared from components in parts by weight as follows: 70-120 parts of high-density polyethylene, 15-30 parts of starch, 8-15 parts of polyethylene grafted maleic anhydride, 5-10 parts of polylactic acid, 1-5 parts of polyoxyethylene laurate, 1-2 parts of a coupling agent and 0.1-1 part of an auxiliary; high-density polyethylene is taken as a base material, high-density polyethylene, the starch, polyethylene grafted maleic anhydride, polylactic acid, polyoxyethylene laurate and the coupling agent are subjected to a concerted reaction, the degradable express bag material with high flexibility is formed, and an express bag prepared from the degradable express bag material has excellent flexibility and tensile strength. The express bag prepared from the degradable express bag material has good flexibility and tensile strength when in a normal use state, is not prone to damage and has good biodegradation and photodegradation properties when abandoned in soil or an area containing rich microorganisms.

The invention discloses electric heating tube moisture-proof magnesia powder and a proportioning method. The electric heating tube moisture-proof magnesia powder is prepared by fully mixing silicon powder, molten silicon and magnesia powder, wherein the silicon powder accounts for 0.2%-0.5% of the weight of the mixture, and the molten silicon accounts for 0.2%-0.6% of the weight of the mixture. The evenly mixed mixture is filled into a metal external tube of an electric heating tube to manufacture the electric heating tube. The manufactured electric heating tube is subjected to silicon removing process treatment, a gas is exhausted before the complete sealing is carried out, the required baking temperature of the silicon removing process ranges from 400 to 600 DEG C, and the baking time ranges from 1 to 4 hours. The electric heating tube moisture-proof magnesia powder and the proportioning method have the beneficial effects that: since the usage requirements cannot be satisfied by using the traditional technology simply, the optimal proportion of the silicon powder, the molten silicon and the magnesia powder is determined through experiments, the concerted reaction is generated, and the moisture-proof performance can be improved maximally; and the silicon removing process is adopted to ensure that the gas is exhausted before the complete sealing is carried out, thereby improving the insulation performance, prolonging the service life and preventing pipe explosion.

The invention relates to an MBR wastewater treating system with double circular grooves, comprising a water inlet pipe, a water outlet pipe and a water treating area provided with a membrane biological reactor (MBR), wherein the water treating area comprises an outer groove channel and an inner groove channel which are separated by a pool wall; the MBR membrane biological reactor is installed in the inner groove channel; an overflow weir is installed in the pool wall between the inner groove channel and the outer groove channel; the system is internally provided with a flow pushing machine, areflux inlet and an aeration rotating disc; and a central island is installed in the center of the inner groove channel. The system combines the oxidizing groove with the membrane biological reactor,effectively improves the concentration of the sludge in the groove by controlling the reflux ratio and the waterpower stopping time, and simultaneously promotes to generate the concerted reaction of oxidation, nitration, de-nitration, and short de-nitration; the synergistic effect of air backswing and biochemical oxygen supply is used, thereby improving the use rate of the oxygen in the treating system, effectively reducing the energy consumption of the technique, decreasing the requirement of carbon nitrogen ratio and improving the de-nitrification efficiency.

The invention discloses an antibacterial and anti-felting wool fabric finishing method, and belongs to the technical field of spinning. The method includes the steps of firstly, adding hydrogen peroxide and sodium hydroxide to preprocess wool fabric so that scale cells and cortex cells of surfaces of wool fibers can be broken; secondly, conducting enzyme treatment, wherein keratinase and alkaline protease are added for concerted reaction enzymolysis, and after keratin enzymolysis is conducted on the outer layers of scales through keratinase, enzymolysis is conducted on cystine of keratin protein of parts such as inner stratum corneum and cortical layers of wool through alkaline protease; thirdly, conducting chemical finishing, wherein twice soaking and twice rolling are conducted on the wool fabric through a glycerol citric acid ester solution. By means of the method, the effect of increasing wool anti-felting and antibacterial capacity is remarkable, reaction time is short, subsequent processing is simple, the influences on breaking force and whiteness of the processed wool fabric are small, dyeing performance is greatly improved, the directional friction effect is greatly reduced, high economic benefits are achieved, and industrial popularization is facilitated.