Abstract: A reaction system for preparing soda ash and a reaction method are provided in the present invention. The reaction system includes: a carbonization tower, a reaction crystallization tower, and a first micro-interface unit. A material outlet is arranged at the bottom of the carbonization tower, and the material outlet is connected to the reaction crystallization tower. The first micro-interface unit includes a first micro-interface generator and a second micro-interface generator, the first micro-interface generator is arranged below the liquid level in the carbonization tower, the second micro-interface generator is arranged above the first micro-interface generator, and a connecting pipe is arranged between the second micro-interface generator and the first micro-interface generator.

Abstract: A reaction system for preparing soda ash and a reaction method are provided in the present invention. The reaction system includes: a carbonization tower, a reaction crystallization tower, and a first micro-interface unit. A material outlet is arranged at the bottom of the carbonization tower, and the material outlet is connected to the reaction crystallization tower. The first micro-interface unit includes a first micro-interface generator and a second micro-interface generator, the first micro-interface generator is arranged below the liquid level in the carbonization tower, the second micro-interface generator is arranged above the first micro-interface generator, and a connecting pipe is arranged between the second micro-interface generator and the first micro-interface generator.

Abstract: Provided in the present invention is an iridium-based catalyst, which is characterized in that the chemical structural formula of the iridium-based catalyst is: wherein Ph is a phenyl, R is a methyl or an ethyl, and X is one or more of CH3CO2, NO3, Cl, BF4, PF6 and SbF6. In the present invention, a rhodium-based catalyst in the prior art is replaced with the iridium-based catalyst, such that the reaction cost is reduced, and the yield of reactants is increased.

Abstract: Provided in the present invention is an iridium-based catalyst, which is characterized in that the chemical structural formula of the iridium-based catalyst is: wherein Ph is a phenyl, R is a methyl or an ethyl, and X is one or more of CH3CO2, NO3, Cl, BF4, PF6 and SbF6. In the present invention, a rhodium-based catalyst in the prior art is replaced with the iridium-based catalyst, such that the reaction cost is reduced, and the yield of reactants is increased.

Abstract: The invention provides a micro-interface enhanced oxidation system and an oxidation method for preparing hydrogen peroxide, wherein the micro-interface enhanced oxidation system includes: an oxidation reactor, wherein a top portion of a side surface is provided with a liquid phase pipeline for delivering hydrogenated anthraquinone, and a bottom portion of the side surface is provided with a gas phase pipeline for delivering air; and a liquid distributor, a packing section, a seal pan and a hybrid micro-interface unit that are arranged in order from top to bottom are arranged in the oxidation reactor, wherein the hybrid micro-interface unit comprises a upper-mounted micro-interface generator and a lower-mounted micro-interface generator that are communicated with each other up and down, and the hydrogenated anthraquinone delivered in goes down in turn until being mixed with the air in the hybrid micro-interfacial unit to be dispersed and crushed after being distributed through the liquid distributor.

Abstract: The present invention discloses a method for catalyzing olefin carbonylation, including the following steps: using cyclic alkylcarbene iridium as a catalyst and an olefin as a raw material to carry out carbonylation reaction to generate aldehydes, wherein a structural formula of the cyclic alkylcarbene iridium is as follows: wherein Dipp is 2,6-diisopropylbenzene; R1 and R2 are methyl or ethyl; X is Cl, Br, CH3CO2, NO3, BF4, PF6 or SbF6; wherein the olefin comprises one or more of ethylene, propylene, butylene and higher carbon olefins. According to the method for catalyzing olefin carbonylation of the present invention, by adopting an iridium catalyst, the catalytic activity is good, reaction energy consumption is reduced, and reaction temperature is fully lowered.

Abstract: The invention provides a micro-interface enhanced oxidation system and an oxidation method for preparing hydrogen peroxide, wherein the micro-interface enhanced oxidation system includes: an oxidation reactor, wherein a top portion of a side surface is provided with a liquid phase pipeline for delivering hydrogenated anthraquinone, and a bottom portion of the side surface is provided with a gas phase pipeline for delivering air; and a liquid distributor, a packing section, a seal pan and a hybrid micro-interface unit that are arranged in order from top to bottom are arranged in the oxidation reactor, wherein the hybrid micro-interface unit comprises a upper-mounted micro-interface generator and a lower-mounted micro-interface generator that are communicated with each other up and down, and the hydrogenated anthraquinone delivered in goes down in turn until being mixed with the air in the hybrid micro-interfacial unit to be dispersed and crushed after being distributed through the liquid distributor.

Abstract: The present invention discloses a method for catalyzing olefin carbonylation, including the following steps: using cyclic alkylcarbene iridium as a catalyst and an olefin as a raw material to carry out carbonylation reaction to generate aldehydes, wherein a structural formula of the cyclic alkylcarbene iridium is as follows: wherein Dipp is 2,6-diisopropylbenzene; R1 and R2 are methyl or ethyl; X is Cl, Br, CH3CO2, NO3, BF4, PF6 or SbF6; wherein the olefin comprises one or more of ethylene, propylene, butylene and higher carbon olefins. According to the method for catalyzing olefin carbonylation of the present invention, by adopting an iridium catalyst, the catalytic activity is good, reaction energy consumption is reduced, and reaction temperature is fully lowered.

Abstract: Provided is a voice coil wire for a sound generating device, comprising a wire body and a cavity provided in the wire body, the wire body is configured to be applied with a current signal, wherein the cavity is in a vacuum state or is filled with an insulating gas. Also provided is a voice coil, the voice coil is provided with the voice coil wire. Also provided is a sound generating device. By filling the cavity of the voice coil wire with the insulating gas or configuring the cavity to be in the vacuum state, the weight of the voice coil wire can be reduced, so the influence of skin effect on the voice coil wire is reduced, and the utilization rate of the voice coil wire is improved.

Abstract: The invention provides a reaction system for preparing butyraldehyde by propylene carbonylation, comprising: a reactor; a side wall of the reactor is sequentially provided with a catalyst inlet, a propylene inlet and a synthesis gas inlet from top to bottom; the bottom of the reactor is provided with a solvent inlet; two micro-interface generators are arranged inside of the reactor from top to bottom, and the micro-interface generator located at a top end is connected to the propylene inlet to break the propylene gas into micron-scale micro-bubbles; the micro-interface generator located at a bottom is connected to the synthesis gas inlet for breaking the synthesis gas into micron-scale micro-bubbles; the outlets of the two micro-interface generators are opposite, and the outlets are connected with a gas distributor for evenly distributing raw materials.

Abstract: The invention provides a reaction system for preparing butyraldehyde by propylene carbonylation, comprising: a reactor; a side wall of the reactor is sequentially provided with a catalyst inlet, a propylene inlet and a synthesis gas inlet from top to bottom; the bottom of the reactor is provided with a solvent inlet; two micro-interface generators are arranged inside of the reactor from top to bottom, and the micro-interface generator located at a top end is connected to the propylene inlet to break the propylene gas into micron-scale micro-bubbles; the micro-interface generator located at a bottom is connected to the synthesis gas inlet for breaking the synthesis gas into micron-scale micro-bubbles; the outlets of the two micro-interface generators are opposite, and the outlets are connected with a gas distributor for evenly distributing raw materials.

Abstract: A method of making a population of capsules, the capsules can include a core including a benefit agent and a shell surrounding the core, wherein the shell can include a first shell component.

Abstract: The invention provides a built-in micro-interface oxidation system for preparing terephthalic acid from p-xylene. The oxidation system includes a first reactor, a rectifying tower and a second reactor which are sequentially connected. A first outlet is disposed on a side wall of the first reactor; a first inlet is disposed on a side wall of the second reactor; a material inlet is disposed on a side wall of the rectifying tower; and a material outlet is disposed at a bottom of the rectifying tower. The first outlet is connected with the material inlet of the rectifying tower; the first inlet is connected with the material outlet of the rectifying tower. Micro-interface units are arranged in the first reactor and the second reactor for dispersing and crushing air into bubbles. Through disposing micro-interface units in reactors, problems of high energy consumption, high raw material consumption and low reaction efficiency are solved.

Abstract: A treatment system and method for cephalosporin wastewater are disclosed. The treatment system includes: a flocculation and sedimentation device, an alkali reaction tank, a PAC reaction tank, a PAM reaction tank, a wastewater heat exchanger, a wastewater heater and an oxidation reactor that are connected with each other in sequence, wherein the wastewater heat exchanger is provided with a material inlet, a material outlet, a heat source inlet and a heat source outlet. An oxidized water from the oxidation reactor enters the wastewater heat exchanger from the heat source inlet, the heat source outlet is connected with a product canister, the product canister is connected with a membrane filtration device to realize concentration treatment of a landfill leachate, the material inlet is connected with the PAM reaction tank, and the material outlet is connected with the wastewater heater.

Abstract: A built-in micro interfacial enhanced reaction system and process for PTA production with PX are provided. The system includes a reactor and a micro interfacial unit disposed inside reactor. The reactor includes a shell, an inner cylinder concentrically disposed inside shell, and a circulating heat exchange device partially disposed outside shell, inner cylinder having a bottom end connected to inner bottom surface of the shell in closed manner and an open top end, a region between shell and inner cylinder being first reaction zone, inner cylinder containing second reaction zone and third reaction zone from top to bottom, circulating heat exchange device being connected to inner cylinder and micro interfacial unit respectively. The invention can solve problems of large waste of reaction solvent acetic acid under high temperature and high pressure and being unable to take out the product TA in time during existing process of PTA production with PX.

Abstract: A method of making a population of capsules, the capsules can include a core including a benefit agent and a shell surrounding the core, wherein the shell can include a first shell component.

Abstract: A strengthening oxidation system of the external micro-interfacial unit for producing PTA with PX is provided, including: a reactor, a circulating heat exchange device and a micro-interfacial unit. The reactor includes an outer casing and an inner cylinder disposed concentrically inside the outer casing. The circulating heat exchange device is disposed at an exterior of the reactor, and is connected with the outer casing and the inner cylinder respectively, for regulating reaction temperatures of the first reaction zone, the second reaction zone and the third reaction zone inside the reactor in a reaction process of producing PTA with PX.

Abstract: An ultrasonic humidifier may include a water tank, an atomizer arranged in the water tank, an upper cover detachably connected with the water tank and an artificial flower, wherein the upper cover is provided with a mist outlet pipeline, and a branch of the artificial flower is inserted from the mist outlet pipeline; and a user can change different varieties and styles of artificial flowers according to current mood. Different colors and styles of artificial flowers have different impacts on visual sense every time, which is not easy to generate visual fatigue. Moreover, mist is directly sprayed from the branch of the artificial flower, and the artificial flower becomes beautiful and elegant visually. When aromatic oil matched with the artificial flower is added into water, smell sense and visual sense of the user are capable of being perfectly unified.

Abstract: The invention discloses a micro-interface strengthening reaction system for preparing poly-?-olefin, which includes: a first polymerization reactor and a second polymerization reactor that are connected with each other in sequence, wherein a first micro-interface generator is disposed outside the first polymerization reactor, and a second micro-interface generator is disposed inside the second polymerization reactor. A bottom of the second polymerization reactor is provided with a discharge port, and the discharge port is connected with a hydrogen halide removal tower. By disposing the first micro-interface generator in the first polymerization reactor while disposing the second micro-interface generator in the second polymerization reactor, on the one hand it increases the mass transfer area between the gas phase and the liquid phase material, improves reaction efficiency and reduces energy consumption, and on the other hand it results in a higher evenness of the poly-?-olefin and improved product quality.

Abstract: Provided is a voice coil wire for a sound generating device, comprising a wire body and a cavity provided in the wire body, the wire body is configured to be applied with a current signal, wherein the cavity is in a vacuum state or is filled with an insulating gas. Also provided is a voice coil, the voice coil is provided with the voice coil wire. Also provided is a sound generating device. By filling the cavity of the voice coil wire with the insulating gas or configuring the cavity to be in the vacuum state, the weight of the voice coil wire can be reduced, so the influence of skin effect on the voice coil wire is reduced, and the utilization rate of the voice coil wire is improved.