33results about How to "Ease of scaling" patented technology

The invention relates to the field of recycling of organosilicon spent contact masses, particularly a method for recycling copper oxide and zinc oxide from an organosilicon spent contact mass, which comprises the following steps: 1) extracting a spent contact mass with an oxidizer-containing ammonia-ammonium salt mixed solution at 20-100 DEG C for 1-8 hours, separating to obtain a copper-ammonia zinc-ammonia complex solution and a solid, and washing and drying the solid to obtain silicon powder; 2) evaporating ammonia from the copper-ammonia zinc-ammonia complex solution at 40-100 DEG C for 1-10 hours to precipitate a copper compound precipitate, separating to obtain the precipitate and a zinc-containing mother solution, washing the precipitate, drying and roasting to obtain copper oxide powder; and 3) adding an ammonium salt into the zinc-containing mother solution obtained in the step 2), regulating the temperature to 20-80 DEG C and the pH value to 4-8 to obtain a basic zinc carbonate precipitate, separating, washing, drying and roasting to obtain zinc oxide powder. The yield and purity of the copper oxide obtained by treating the spent contact mass with an ammonia process are respectively higher than 95%.

The invention provides an oil and gas well fracturing flowback fluid treating method, an oil and gas well fracturing flowback fluid treating apparatus and a skid-mounted box. The apparatus comprises awater inlet module, a coagulation module, an oxidation module, a back flushing module and a water outlet module, wherein the water inlet module injects a fracturing flowback fluid into the coagulation module, the coagulation module performs coagulation treatment on the fracturing flowback fluid through a first reactant, and injects the liquid obtained after filtering into the oxidation module, the oxidation module performs oxidation treatment on the liquid obtained after the coagulation treatment through a second reactant, the back flushing module injects one part of the liquid after the treatment with the oxidation module into the coagulation module, and the water outlet module discharges the other part of the liquid after the treatment with the oxidation module out of the apparatus. With the method, the apparatus and the skid-mounted box of the present invention, the oil and gas well fracturing flowback fluid treating efficiency is improved.

The invention relates to a method for improving shock resistance of a resin-based carbon fiber composite material. The method is as follows: a small amount of carbon nanotubes are dispersed in an epoxy resin system, and then the epoxy resin system containing carbon nanotubes is composited with carbon fiber fabric for molding. In the invention, the method for improving shock resistance of the resin-based carbon fiber composite material uses the excellent mechanical properties of carbon nanotubes to prevent resin matrixes from layering and prevent cracks from expanding, and uses carbon nanotubes as reinforcement, thus ensures that the shock resistance of the resin-based carbon fiber composite material can be significantly improved without reducing other mechanical properties. Experiments prove that after the resin-based carbon fiber composite material is processed by the method of the invention, the shock resistance strength of the composite material is increased by 20% or so than that of the composite material not mixed with carbon nanotubes. In addition, the method also has the advantages of convenient operation, easy for large-scale processing and the like.

The invention provides a rapid, economic and harmless processing method and device for reducing moisture content of sludge. In the invention, hydrolysis by atmospheric steam, hydrothermal dehydration at high temperature and high pressure and solid-liquid separation on materials are carried out to obtain a solid-liquid slurry, high moisture content of 80% can be reduced to low moisture content of 40%, and a hydrothermal separation process in sludge treatment can be rapidly achieved. The form of an organic matter in the sludge is changed, and phase change of water in the sludge can not be caused; compared with the prior art, the method provided by the invention can be used for overcoming the defects that the processing period is long and the processing energy consumption is high, and is easy for realization of large-scale processing and contributes to reducing secondary pollution to the environment and recycling resources; and a new approach is found for processing the sludge.

The invention relates to a method for preparing a composite copper catalyst by recycling organic silicon waste contacts. The method comprises the following steps of: performing ammonia leaching on the organic silicon waste contacts, adding sulfite into the solution, and performing ammonia distilling reduction; acidizing for precipitating, aging at high temperature to obtain zinc-containing mother liquor and precipitates, and treating the precipitates to obtain cuprous oxide powder; alkalinizing the zinc-containing mother liquor for precipitating, and treating to obtain zinc oxide powder; oxidizing a part of cuprous oxide powder to obtain copper oxide powder, and reducing a part of cuprous oxide powder to obtain copper powder; and mixing the cuprous oxide powder, the zinc oxide powder, the copper oxide powder and the copper powder, and grinding to obtain the composite copper catalyst. According to the composite copper catalyst for synthesizing methyl chlorosilane, products obtained by recycling the waste contacts are used as raw materials, so that the production cost of the copper catalyst is saved greatly, the recycling of the copper catalyst in the industry of organic silicon is realized, and the method has the obvious economic and environment-friendly benefits.

The invention provides a blue alga cake tubular pyrohydrolysis dewatering method and a blue alga cake tubular pyrohydrolysis dewatering device. The device provided by the invention consists of a feeding system, a modifying system, a dewatering system, a heat exchange system and a purifying system. The method comprises: filling the pretreated blue alga cake raw material with a water content of about 80 percent by using raw material tank, heating the raw material by low-pressure steam directly, performing pyrohydrolysis under a medium-temperature condition, fully recovering and using residual energy in a hydrolysis process, adding treated clay, increasing the specific gravity of the mixture and obtaining a liquid-solid mixture; making the water content in the treated material obtained after liquid-solid separation adjustable, and reducing the water content to 40 to 60 percent from the 80 percent in the originally treated blue alga cake. Compared with the prior art, the device has the advantages that: the structure is simple, the operation is continuous and smooth; the hydrolysis temperature of algae is 110 to 150 DEG C; the reaction time is 10 to 20 minutes; the alga treatment is economic; reduction and innocent treatment can be realized quickly and effectively; and large-scale treatment can be carried out easily. Therefore, the invention provides a new approach for the treatment, disposal and recycling of blue algae and the recovery of energy from the equipment.

The invention relates to a parallel vulnerability mining method based on an open source library and test mining, and belongs to the technical field of computer information safety. The parallel vulnerability mining method comprises the steps that vulnerability data are obtained from the open source library and pre-processed, a vulnerability set is extracted, text vectorization is conducted, the threshold is calculated and parallel vulnerabilities are discovered. The parallel vulnerability mining method has the advantages that on the basis of the open source library, relevant vulnerability information in the same attack mode is extracted, and therefore potential parallel relationships between the vulnerabilities can be analyzed conveniently; text description information of the vulnerabilities are vectorized, and therefore a computer system can conduct intelligent processing on vulnerability recording data conveniently; the method differs from query on the basis of keyword matching in that the similarity between the vulnerabilities is studied according to the threshold obtained through a training set; the parallel relationships between the vulnerabilities can be calculated, so that when it is found that one vulnerability is utilized, the other parallel vulnerabilities are made up rapidly, therefore, the vulnerability of a whole network is made up, the defense capacity is enhanced and great significance for information safety is achieved.

The invention discloses a composite preservation technology for Hongyang kiwi fruits and an implementation method thereof. The implementation method is as follows: screened kiwi fruits are completely soaked in a water bath at 40 DEG C for 0.5 h, and taken out and naturally aired at the room temperature; the aired kiwi fruits are placed into a 20 L storage box, 200 mg / m3 ozone is pumped into the storage box for 0.5 h, and then the storage box is opened to discharge ozone, and the ozone treatment is performed once per week; finally, one tablet of AnsiP-S (containing 1-MCP) with a mass concentration of 0.9 mg / L is placed into the storage box, and the storage tank is sealed and placed in an atmosphere at 4+ / -1 DEG C and with air humidity of 90-95%.