34results about How to "Increase gas storage density" patented technology

The invention discloses a treatment method and device for gas containing carbon dioxide and hydrogen sulfide. The device includes a hydration reactor, a hydrate decomposer, a gas exhaust processor, a primary absorption reactor, a secondary absorption reactor and a product tank . Also provided is a method for treating gas containing carbon dioxide and hydrogen sulfide by using the above device. It can produce NaHS products that meet the national quality standards while achieving acid gas discharge standards, and organically combine environmental governance with the production process of chemical products into an integrated process. Compared with the prior art, the method of the present invention can economically and efficiently pretreat the gas containing carbon dioxide and hydrogen sulfide, rationally utilize the energy in the process, and greatly reduce energy consumption; the whole process is environmentally friendly, reliable, No "three wastes" are generated.

The invention belongs to the technical field of gas hydrate production promotion and utilization, and in particular relates to a hydrate accelerator and a preparation method thereof. said Hydration Promoter, It is prepared by stirring cocamidopropyl betaine, dimethylsiloxane, non-ionic fluorosurfactant and deionized water at 65~85℃ for 30~40 minutes; among them, cocamidopropyl The mass percentage of betaine in the solvent is 3-7%; the mass percentage of dimethylsiloxane in the solvent is 1.2-4.5%; the mass percentage of non-ionic fluorosurfactant in the solvent is 0.2- 1.5%, and the rest is deionized water. The hydrate accelerator of the present invention can be widely used in the fields of gas hydrate storage and transportation technology, gas hydrate separation technology, and seawater desalination; and the cost is low, the dosage is small, the conditions for hydrate formation are reduced, the time is shortened, and the gas storage capacity is reduced. The increase effectively improves the economic benefits of hydrate production.

The invention belongs to the technical field of generation and utilization of a gas hydrate, specifically discloses a purpose of oxidized graphene powder in preparing a gas hydrate accelerant, and discloses an oxidized graphene gas hydrate accelerant and a preparation method of the oxidized graphene gas hydrate accelerant. The oxidized graphene gas hydrate accelerant is a dispersion liquid of oxidized graphene, wherein the dispersion liquid comprises, by mass percentage: 0.1-1% of graphene, and 0.3-3.5% of sodium chloride, with the balance being distilled water. The accelerant can further be used for accelerating generation of other gas hydrates, such as hydrates of natural gas, carbon dioxide, and oxygen. The accelerant is good in effect of generating and accelerating the hydrate, wide in application, low in cost, and less in use amount. The condition for generating the hydrate is lowered and the time is shortened; the gas storage capacity is increased; and the economic benefit for producing hydrates is effectively improved.

The invention provides a method and device for treating acid gas. The device can produce NaHS products meeting national quality standards while realizing up-to-standard discharge of the acid gas, andorganically integrates environmental governance and the production process of chemical products into an integrated process. Compared with the prior art, the method has the advantages that the acid containing CO2 gas and hydrogen sulfide gas can be economically and efficiently pretreated, energy during a technical process is reasonably utilized, energy consumption is greatly reduced, and the wholetreatment process is environmentally friendly, reliable, and free from production of three wastes.

The invention belongs to the technical field of energy materials, and discloses a hydrate accelerator and its application in the preparation of gas hydrate with high gas storage density. The accelerator includes amino acid and water; it is formed by uniformly mixing 100 parts by mass of water and 0.05-5 parts by mass of amino acid. Said application is specifically mixing 100 parts by mass of water and 0.05 to 5 parts by mass of amino acid to obtain an aqueous accelerator solution; placing the aqueous accelerator solution in a high-pressure reactor, feeding high-pressure gas at a low temperature, and reacting for a period of time , to obtain solid gas hydrates with high gas storage density. The accelerator of the present invention is green and environmentally friendly; it can shorten the hydration induction time, increase the gas storage capacity, and increase the gas storage density; at the same time, the accelerator of the present invention is cheap, small in dosage, wide in source, recyclable and reusable, and has no effect on temperature and pressure conditions. There is no special requirement; the method for preparing the gas hydrate with high gas storage density is fast, efficient, simple and easy to realize.

The invention relates to a method for preparing a composite hydrate accelerant. The composite accelerant is characterized by being prepared by mixing cyclopentane or methyl cyclohexane serving as a kinetic accelerant and 2-butyl octyl sodium sulfate serving as a surfactant, wherein the percentage by mass of the cyclopentane or methyl cyclohexane in a solvent is 1.3 to 15.0, and the concentration of the surfactant 2-butyl octyl sodium sulfate in the solvent is 0.32*10<-3> to 9.5*10<-3> mol / L; and 0.02 to 0.78 mass percent of sodium chloride is added into the mixture. In the method, a high-pressure gas cylinder is taken as a gas source, a pressure is properly adjusted through a pressure adjustment valve, consumed gas is metered by a mass flow meter, a temperature and the pressure in a reactor are monitored by pressure and temperature transducers, and the temperature of liquid in a water tank is controlled by means of a thermostatic water bath, so that the temperature in the reactor is adjusted; and data is acquired by a data acquisition system and a computer, and the forming condition of a hydrate in the reactor is monitored by a photoelectric lens. The method for preparing the composite hydrate accelerant not only can reduce the forming condition of the hydrate, but also can shorten the formation time of the hydrate and improve the gas storage capacity of the hydrate.

The invention discloses a combined treatment process and a system for acid gas. According to the combined treatment process and the system, NaHS products meeting national quality standards can be produced while up-to-standard discharge of the acid gas is realized; environmental improvement is organically combined with the production process of a chemical product. Compared with the prior art, the process and the system disclosed by the invention have the advantages that the acid gases containing CO2 and hydrogen sulfide can be economically and efficiently pretreated, energy in the technologicalprocess is reasonably utilized and energy consumption is greatly reduced; the whole treatment process is environmentally friendly and reliable and no three wastes are produced.

The invention relates to the technical field of natural gas hydrate production and utilization, in particular to a high-efficiency accelerant capable of strengthening natural gas hydrate formation and a preparation method thereof. The method includes: selecting dried mulberry leaves, performing grinding and sieving to obtain powder with a particle size of less than 0.3mm; mixing the mulberry leaf powder with distilled water according to a weight ratio of 1:15, conducting heating to 70DEG C, then performing stirring at a rotation speed of 800rpm for 10min to obtain a mulberry leaf slurry; weighing glucamylase, tea saponin, the mulberry leaf slurry and deionized water, conducting calculation by mass percentage content to prepare a mixed water solution with 1.8-3% of glucamylase, 0.8-2.6% of tea saponin and 0.1-1% of the mulberry leaf slurry; and heating the prepared mixed water solution to 40DEG C-50DEG C, and performing stirring in a stirring kettle for 60min so as to obtain the hydrate accelerant.

The invention discloses a non-Newtonian fluid impregnated grid reinforced hydrogen storage pressure vessel structure and technology. It includes fiber-reinforced resin-based composite materials that are prestressed and wound on the inner liner of the gas cylinder, the open end of the metal gas cylinder and the outer surface of the tail end, the reinforcement layer of the grid structure, the fiber protection layer and the anti-corrosion protection at the two ends of the head. The entire structure of the gas cylinder container is reinforced with a grid structure reinforcement layer, and the fibers used in the formation of the grid structure reinforcement layer are impregnated with non-Newtonian fluid, dried and then impregnated and wound; firstly, the casting method is used The soft grid structure molds for the cylinder body and the two ends of the head are molded separately, and then bonded to the outer surface of the gas cylinder after winding the fiber reinforced resin-based composite material by joint bonding, and then the grid structure reinforcement layer is formed. The hydrogen storage pressure vessel prepared by the invention has the characteristics of high rigidity, impact resistance, light weight and low cost.

The invention belongs to the technical field of gas hydrate production and utilization, and in particular relates to a gas hydrate accelerator and a preparation method thereof. The gas hydrate accelerator is made by mixing coconut oil fatty acid diethanolamide, polyoxyethylene ether sulfate, and polyquaternium salt as additives with deionized water at 72-83°C for 120 minutes; the coconut oil fatty acid Diethanolamide accounts for 1-2.5% by mass of the solvent; polyoxyethylene ether sulfate accounts for 9-16% by mass of the solvent; polyquaternium salt accounts for 0.2-0.5% by mass of the solvent %, and the rest is deionized water. The gas hydrate promoter of the invention has the advantages of good hydrate formation promoting effect, wide application, low cost and good economic benefits.

The invention discloses an acid gas treatment process and system, which can produce NaHS products meeting the national quality standards while realizing acid gas discharge up to the standard, and organically combine environmental treatment and chemical product production processes into an integrated process. Compared with the prior art, the process and system of the present invention can cost-effectively treat CO-containing 2 The acid gas of gas and hydrogen sulfide gas is pretreated, and the energy in the process is rationally utilized, which greatly reduces energy consumption; the entire treatment process is environmentally friendly, reliable, and produces no "three wastes".

The invention discloses a treatment method and device for acid gas. The device comprises a hydration reactor, a hydrate decomposing device, a primary absorption reactor, a secondary absorption reactor and a product tank. Also provided is a method for treating acid gas using the above device. It can produce NaHS products that meet the national quality standards while achieving acid gas discharge standards, and organically combine environmental governance with the production process of chemical products into an integrated process. Compared with the prior art, the method of the present invention can cost-effectively treat CO-containing 2 The acid gas of the gas is pretreated, and the energy in the process is rationally utilized, which greatly reduces energy consumption; the entire treatment process is environmentally friendly, reliable, and produces no "three wastes".