Huaneng Clean Energy Research Institute

Beijing Memblaze Technology Co., Ltd

Beijing Bytedance Network Technology Co., Ltd.

China Huaneng Group Co., Ltd

Jinyi Wang

Shiqing Wang

Shiwang Gao

Hongwei Niu

Lianbo Liu

Ping Xiao

Bin Huang

He Zhao

Shisen Xu

Minhua Jiang

Dongfang Guo

Xiangfeng Lu

Qixiang Fan

Shaomin Wang

Yue Chen

Chang Zhang

Hao Qiu

Huan Zhang

Pengjie Wang

Xianming Xu

Zhibo Ren

The present application relates to a garbage collection method and a storage device for reducing write amplification. A method for selecting a data block to be collected in garbage collection, including: obtaining, according to a first selection policy, a first data block to be collected; determining, according to a first rejection policy, whether to refuse to collect the first data block to be collected; and if according to the first rejection policy, rejection to collect of the first data block to be collected is determined, not performing garbage collection on the first data block to be collected.

Method for selecting a data block to be collected in GC and storage device thereof

Provided are a device and a method for purifying an organic amine solution. The device includes an ion exchange bed having an upper feeding port, through which the ion exchange bed is communicated with an inert gas cylinder, a fifth liquid storage tank and a second liquid adding pump; a lower feeding port, through which the ion exchange bed is communicated with a first liquid adding pump; a lower discharging port, through which the ion exchange bed is communicated with a second liquid storage tank, a third liquid storage tank and a fourth liquid storage tank; and an upper discharging port, through which the ion exchange bed is communicated with the fourth liquid storage tank.

Device and method for purifying organic amine solution

A system for integrated removal of multiple pollutants includes an economizer, an air preheater, an electrostatic precipitator, a flue gas cooler and a low-temperature adsorber; the economizer has a shell side inlet for feeding boiler flue gas, a tube side inlet for feeding boiler feedwater, and a shell side outlet connected to a tube side inlet of the air preheater; the air preheater has a shell side inlet for introducing boiler intake air, and a tube side outlet connected to the electrostatic precipitator; the electrostatic precipitator has a dust discharge port at a bottom thereof and a flue gas outlet connected to the flue gas cooler; the flue gas cooler has a condensate outlet at a bottom thereof and a cold flue gas outlet at a top thereof and connected to the low-temperature adsorber; and the low-temperature adsorber has a purified flue gas outlet at a tail thereof.

System and method for integrated removal of multiple pollutants in flue gas with near-zero emission

According to embodiments of the present disclosure, there is provided a method, apparatus, apparatus, and storage medium for reposting. In a method of reposting, a repost prompt for reposting a post is presented to the first user in response to determining that a predetermined repost condition is satisfied. The predetermined repost condition includes at least one of the following: the post has been previously reposted by the second user and the first and second users have an association; the number of times that the first user completely views the post exceeds a first threshold number; a positive evaluation of the post provided by the first user. The method further comprises causing the post to be reposted in response to a request by the first user. In this way, it is possible to provide an easy, efficient and flexible mechanism of reposting, which simplifies user operation and improves user experience.

Method, apparatus, device and storage medium for reposting

Disclosed is a flue gas low-temperature adsorption denitration system and process. The system includes a booster fan, a cold energy recoverer, a flue gas cooling system, a flue gas switching valve, and two denitration adsorption towers. An inlet of the booster fan is in communication with an inlet flue gas pipeline. The booster fan, the cold energy recoverer, the flue gas cooling system, the flue gas switching valve, and the denitration adsorption towers are sequentially communicated. An outlet of the flue gas switching valve is in communication with each of the two second denitration adsorption towers. Flue gas outlets of the two denitration adsorption towers are in communication with a flue gas manifold. The flue gas manifold is communicated with the cold quantity recoverer. Two denitration adsorption towers take turns to carry out denitration and regeneration processes, so that continuous denitration operations of the system can be achieved.

Flue gas low-temperature adsorption denitration system and process

A method for preparing a COF-protected electrode and an electrode are provided. The method includes mixing an organic framework, a small molecular organic acid and a solvent, adding a polar aqueous solution containing a substrate thereto, mixing the above uniformly and heating the system at a low temperature under an inert atmosphere, filtering the solution to obtain precipitates, washing and drying the precipitates to obtain a COF film grown on a surface of the substrate; coating a protective layer on the COF film to obtain a substrate/COF/protective layer film; etching off the substrate to obtain a COF/protective layer film; and transferring the COF/protective layer film to a surface of the electrode, and removing the protective layer.

Method for preparing COF-protected electrolytic hydrogen production electrode

The present invention discloses a flue gas low-temperature adsorption denitrification method, including: pressurizing a flue gas that has been subjected to dust removal and desulfurization, precooling the pressurized flue gas, cooling the precooled flue gas to a temperature lower than room temperature by a flue gas cooling system, flowing the flue gas at the temperature lower than room temperature into a low-temperature denitrification system, performing physical adsorption denitrification in the low-temperature denitrification system, precooling the flue gas that has been subjected to dust removal and desulfurization with the denitrificated flue gas, and flowing the heat-absorbed clean flue gas into a chimney to be discharged.

Flue gas low-temperature adsorption denitrification method

Provided is a method for desulphurizating and denitrating a flue gas in an integrated manner based on low-temperature adsorption. The method includes: decreasing a temperature of the flue gas below a room temperature by using a flue gas cooling system; removing moisture in the flue gas by using a dehumidification system; sending the flue gas to a SOand NOadsorbing column system; and simultaneously adsorbing SOand NOof the flue gas with a material of activated coke, activated carbon, a molecular sieve or diatom mud in the SOand NOadsorbing column system to implement an integration of desulphurization and denitration of the flue gas based on the low-temperature adsorption. With the present method, SOand NOof the flue gas can be adsorbed simultaneously in an environment having a temperature below the room temperature.

Method for desulphurizating and denitrating flue gas in integrated manner based on low-temperature adsorption

Garbage collection method and storage device

Growing community of inventors

Beijing, China

Jinyi Wang