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

Method and device for rapidly reducing moisture content of sludge

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.
Owner:安徽合协生态环境科技有限公司

Tubular pyrohydrolysis treatment method and device for sludge

The invention provides a tubular pyrohydrolysis treatment method and device for sludge. The device consists of five main systems, namely a feeding system, a modification system, a dehydration system, a heat exchange system, and a purification system; and by adopting a catalyst injecting mode, the sludge is directly heated with medium pressure steam and is subjected to pyrohydrolysis at medium temperature, the remaining heat in the hydrolysis process is fully recycled, and a liquid-solid mixture is obtained, so not only supports of controllable components are provided for a compound fertilizer, but also a filter cake which is subjected to liquid-solid separation has an adjustable moisture content, namely the moisture content of the raw sludge can be reduced to 40 to 60 percent from about 80 percent. Compared with the prior art, the device has the advantages that: the structure is simple, the device can be continuously and stably operated, the sludge pyrohydrolysis temperature is 210 to 250 DEG C, the reaction time is 10 to 20 minutes, the reduction and harmless treatment of the sludge can be economically, quickly and effectively achieved, the sludge can be treated on a large scale, and a novel approach is provided for the sludge treatment and the energy recycling of equipment.
Owner:安徽合协生态环境科技有限公司

Low-pressure discharge plasma water treating apparatus and method

The invention relates to a low-pressure discharge plasma water treating apparatus, mainly comprising a discharge power supply, a high voltage electrode, a reactor, an atomization sprinkler, a water inlet pipe, a water outlet pipe, a water flow monitor, an air exhaust pipe, an air valve, a vacuum pump, a sewage pool and a clean water reservoir. According to the invention, without a water pump, a low pressure environment in the reactor can be maintained via only one vacuum pump under the condition that water flows through the reactor; electro-discharge is carried out in the low pressure environment, and large-volume, high-activity and non-thermal equilibrium plasma is generated; the treating apparatus can effectively remove pollution sources like heavy metal ions, organic matters and microbes in water, has high treatment efficiency, is generally applicable to sewages having different pollution degrees and produced by different industries and provides activated water for special industries. The invention further relates to a plasma water treating method which realizes low pressure discharge under the condition that a water cycle between the interior of the reaction chamber and the outside is maintained without usage of a forced exhaust type water pump. With the method, system energy consumption is greatly reduced.
Owner:江苏先竞等离子体技术研究院有限公司

Parallel vulnerability mining method based on open source library and text mining

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.
Owner:CHINA INFORMATION TECH SECURITY EVALUATION CENT

Method for recycling copper oxide and zinc oxide from organosilicon spent contact mass

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%.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI +1

Method for preparing composite copper catalyst by recycling organic silicon waste contacts

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.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI +1

Method for treating cationic dye wastewater based electrochemical modification technology

The invention relates to a high-efficiency method for treating cationic dye wastewater through an electrochemical technology, and belongs to the technical field of wastewater treatment. The method ischaracterized in that cationic dye molecules are modified through the electrochemical technology to make the molecules become an insoluble substance, and simple filtration is performed to separate themodified dye molecules from the wastewater in order to achieve the wastewater treatment purpose. The new method has the characteristics of high removal efficiency, simple operation process, no secondary pollution, low operating cost, friendliness to the environment and operators, and very high practical application values.
Owner:WUHAN UNIV OF SCI & TECH

Waste mineral oil decolorizing refining process and operation method thereof

The invention discloses a waste mineral oil decolorizing refining process and an operation method thereof. According to the process and the operation method, waste mineral oil is pumped into a pretreatment tank, and is subjected to pretreatment of filtering, settling and dewatering; the pre-treated waste mineral oil enters a water washing tank, wherein an alkali liquid, water and a demulsifier areadded into the water washing tank to remove organic acids and water-soluble additives from the oil; the waste mineral oil is subjected to oil-water separation, and then is further subjected to hydrodechlorination treatment; the waste mineral oil raw material enters a pressure reducing distillation tower to separate different distillate mineral oil base oils after pressure reducing; and finally the finished refined oil is classified and packaged in an oil barrel, and a label is adhered so as to conveniently store and sell. According to the present invention, the method has advantages of simpleoperation steps, good catalytic effect in the hydrofining step, complete reaction, uniform components of the treated mineral oil, high product quality, and convenient and fast storage and transportation of the finished product, and can easily achieve the large-scale treatment and continuous operation of equipment, and can obtain good environmental benefits and economic benefits.
Owner:佛山市富龙环保科技有限公司

Comprehensive recycling method of waste plasma screen

ActiveCN102925696AOvercome the problem of easy bonding when exposed to waterSolve the problem of easy bonding when exposed to waterProcess efficiency improvementGranularityToxic industrial waste
The invention discloses a comprehensive low-energy consumption recycling method of a waste plasma screen and belongs to the field of industrial waste regeneration. The method comprises that a), the waste plasma screen is roughed, so that the maximum range between any two points of the waste plasma screen ranges between 5cm and 30cm; b), the roughed waste plasma screen is added into a salpeter solution for leaching, during leaching, ultrasonic wave activating treatment and stirring are conducted; and c), silver is recycled from an obtained solution which is subjected to nitrate leaching. According to the method, the step that the plasma screen is required to fine grinding is reduced, the energy consumption is reduced, the leaching time is reduced, the efficiency is improved, and the problems that for a long time, technical workers in the field hold a technical bias that the granularity has to be reduced as possible in order to improving the leaching efficiency, and glass is easy to bond when encountering water are solved. The method is low in energy consumption, high in efficiency, capable of preparing silver with the purity of more than 99.9% and being processed in large scales, and suitable for being popularized and applied in the field.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Blue alga cake tubular pyrohydrolysis dewatering method and device

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.
Owner:安徽合协生态环境科技有限公司

Low-pressure discharge plasma water treatment device and method

The invention relates to a low-pressure discharge plasma water treating apparatus, mainly comprising a discharge power supply, a high voltage electrode, a reactor, an atomization sprinkler, a water inlet pipe, a water outlet pipe, a water flow monitor, an air exhaust pipe, an air valve, a vacuum pump, a sewage pool and a clean water reservoir. According to the invention, without a water pump, a low pressure environment in the reactor can be maintained via only one vacuum pump under the condition that water flows through the reactor; electro-discharge is carried out in the low pressure environment, and large-volume, high-activity and non-thermal equilibrium plasma is generated; the treating apparatus can effectively remove pollution sources like heavy metal ions, organic matters and microbes in water, has high treatment efficiency, is generally applicable to sewages having different pollution degrees and produced by different industries and provides activated water for special industries. The invention further relates to a plasma water treating method which realizes low pressure discharge under the condition that a water cycle between the interior of the reaction chamber and the outside is maintained without usage of a forced exhaust type water pump. With the method, system energy consumption is greatly reduced.
Owner:江苏先竞等离子体技术研究院有限公司

Method for reducing content of volatile phenol in o-ethoxyphenol production wastewater

The invention discloses a method for reducing the content of volatile phenol in o-ethoxyphenol production wastewater. The method comprises the following steps: S100, performing air blowing on the o-ethoxyphenol production wastewater through an aeration device; S200, adding a sulfuric acid solution into the o-ethoxyphenol production wastewater and adjusting the PH value to 2 to 4; S300: adjusting an aeration valve of the aeration device and carrying out micro-aeration for 8 to10 hours; S400: adding 0.1 to 1 weight percent of oxidant into the o-ethoxyphenol production wastewater; S500, aeratingthe o-ethoxyphenol production wastewater through the aeration device for 5 to 10 minutes; S600, standing the o-ethoxyphenol production wastewater for 3 to 4 hours; S700, aerating the o-ethoxyphenol production wastewater through the aeration device for 6 to 10 hours and adding 2 to 7 weight percent of activated carbon into the wastewater in the aeration process. The method disclosed by the invention has the advantages of easily-obtained raw materials, simple and easily-controlled technological process, high removal rate of the volatile phenol and easiness in realizing large-scale treatment of the wastewater.
Owner:CHONGQING THRIVE CHEM

Incinerator slag treatment system and treatment method

The invention relates to the incinerator slag treatment technology field, in particular o an incinerator slag treatment system and an incinerator slag treatment method. The incinerator slag treatmentsystem comprises a sewage circulation treatment unit, water pumps, a water supply pipe, a first valve, a second valve, a third valve, a first jigging machine, a second jigging machine and a sand washing machine, wherein a water inlet end of the water supply pipe is connected with a water outlet end of the sewage circulation treatment unit, a water outlet end of the water supply pipe is connected with a water inlet end of the sewage circulation treatment unit, the water supply pipe is provided with a first water outlet, a second water outlet and a third water outlet, the first water outlet is connected with a water inlet end of the first jigging machine, the second water outlet is connected with a water inlet end of the second jigging machine, and the third water outlet is connected with awater inlet end of the third jigging machine. According to the incinerator slag treatment system and the incinerator slag treatment method, the use quantity of the water pumps used in the incineratorslag treatment system can be reduced, construction cost of the incinerator slag treatment system can be reduced, and the incinerator slag treatment method is high in treatment efficiency, low in treatment cost, high in resource utilization rate and convenient to manipulate, and facilitates large scale treatment for incinerator slags.
Owner:广东中翔环保建材有限公司

Recycling method for waste silicone rubber material by radiation method

The invention discloses a recycling method for a waste silicone rubber material by a radiation method. The method is characterized by comprising the following steps: S1, cleaning and drying a recovered waste silicone rubber material; and S2, putting the dried waste silicone rubber material in a radiation field to be radiated for a certain time, taking out the waste silicone rubber material to crush, and screening the waste silicone rubber material to obtain silicone rubber micropowder used as fortifying filler. By means of a radiation technique, the method is simple to operate and energy-saving and environment-friendly. Meanwhile, no wastes are generated substantially, the recovered waste silicone rubber material can be recycled highly, and a scaled effect is easy to realize. The finally obtained silicone rubber micropowder can be used as the fortifying filler for preparing a silicone rubber material product, so that the production cost of producing the silicone rubber product is reduced. Meanwhile, the problem of space usage and environmental pollution as the waste silicone rubber material which is abandoned is hardly degraded naturally is solved.
Owner:SOUTHWEAT UNIV OF SCI & TECH +1

Recycling method of cadmium telluride waste

The invention relates to a recovery method of cadmium telluride waste, and belongs to the technical field of cadmium telluride recovery. The recovery method of the cadmium telluride waste material comprises the following steps: a, crushing the cadmium telluride waste material, adding an acid and an oxidizing agent, and reacting at 45-85 DEG C to obtain a solution A after the reaction is completed; b, a sulfurous acid solution is added into the solution A for a reduction reaction, solid-liquid separation is performed after the reaction is completed, and filter residues and filtrate are obtained; c, treatment of filter residues: washing and drying the filter residues, and performing vacuum distillation purification at the vacuum distillation temperature of 520-570 DEG C and the vacuum degree of 3 * 10 <-3 >-6 * 10 <-3 > Pa to obtain elemental tellurium; and filtrate treatment: introducing H2S gas into the filtrate to obtain CdS. The method has the advantages of simple recovery process flow, easiness in operation and easiness in large-scale treatment.
Owner:中国东方电气集团有限公司 +2

Management method of copper and pesticide combined polluted soil

InactiveCN108971213AAchieve separationAvoid the risk of redissolutionContaminated soil reclamationCopper oxideCopper sulfate
The invention provides a management method of copper and pesticide combined polluted soil. The management method comprises the following steps: firstly, digging soil of a copper and pesticide combinedpolluted land; treating the soil through a crushing machine to obtain soil grains with the size of 2 to 5mm; adding a dilute sulfuric acid solution into a soil solution and carrying out sufficient stirring and treatment, so as to transform a copper compound in the soil into copper sulfate; conveying the soil into a muffle furnace and carrying out high-temperature roasting for 2h; transferring thecopper sulfate into copper oxide through high-temperature pyrolysis; heating organic matters including organic chlorine and the like in the soil and decomposing into a gas-state matter, and separating from the soil; finally, sufficiently mixing the soil with carbon powder and calcium oxide according to a certain ratio; adding a proper amount of water and carrying out stirring treatment; then conveying a mixture into a vacuum heat treatment device, and heating and carrying out heat insulation for 30min; cooling and crushing; conveying into an electric sorting machine and sorting, so as to separate copper grains in the soil from the soil. The management method provided by the invention is simple in treatment method and short in technological flow; large-scale treatment is easy to realize, and the management method is especially suitable for repairing copper and organic chlorine heavily-polluted soil.
Owner:CHANGSHA HUIJU ENVIRONMENTAL TECH CO LTD

Method for preparing composite copper catalyst by recycling organic silicon waste contacts

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.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI +1

Blue alga cake tubular pyrohydrolysis dewatering method and device

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.
Owner:安徽合协生态环境科技有限公司

A detoxification method for chromium slag dry fixation detoxification

The invention discloses a detoxifying method for fixing detoxification through adopting chromium slag dry method. The detoxifying method comprises the steps of evenly mixing a mixture of zero-valent iron and ferric oxide with Cr2O3 according to the substance ratio of more than or equal to 40:60, or with the chromium slag according to the mass ratio of more than or equal to 10:90, and compacting, wherein the quantity ratio of zero-valent iron to ferric oxide is 1:1-1.25; or, evenly mixing ferrous oxalate with chromium slag according to the mass ratio of more than or equal to 10:90 and then compacting under the pressure of more than or equal to 200Bar, and calcinating compaction bodies into sintered bodies at 900-1200 DEG C in anaerobic atmosphere, thus realizing the detoxification fixing through the chromium slag dry method. By using the technique, an iron-based reducing fixing agent and the chromium slag are mixed, compacted and calcinated, chromium exists in the compact bodies in a low-toxic trivalent chromium manner, the chromium is fixed by the compaction bodies in a vitrification melting manner and is fixed in the compact bodies in a spinel crystal structure manner, and the stabilizing effect is good; in addition, iron exists in the same crystal structure in a reducing-state Fe(II) manner, the chromium can be prevented from being oxidized to be toxic due to long-time environment exposure, and the properties of the spinel structure body is stable, therefore, no secondary pollution can be generated.
Owner:GUANGDONG INST OF ECO ENVIRONMENT & SOIL SCI

Hybrid power supply water level video identification and forecasting system

The invention discloses a hybrid power supply water level video identification and forecasting system. The invention belongs to the technical field of water level identification monitoring. The systemcomprises a control unit and a plurality of monitoring units, wherein the output ends of the plurality of monitoring units are electrically connected with the input end of an identification module, the output end of the identification module is electrically connected with the input end of an information classification management unit through a wireless acquisition module, and the output end of the information classification management unit is electrically connected with the input end of the control unit. The hybrid power supply water level video identification forecasting system is equipped with monitoring units, a measuring and reporting unit and a remote transmission module, monitored data information, graphic and text information and positioning information are effectively transmittedto a user terminal, related personnel can be effectively reminded to take emergency measures in real time, and information can be transmitted to a mobile phone early warning display terminal through the remote transmission module, so that the monitoring effect is further improved, the monitoring accuracy is improved, and the requirements of intelligent and automatic water level monitoring are met.
Owner:武汉世纪水元科技股份有限公司

Comprehensive recycling method of waste plasma screen

ActiveCN102925696BOvercome the problem of easy bonding when exposed to waterSolve the problem of easy bonding when exposed to waterProcess efficiency improvementGranularityToxic industrial waste
The invention discloses a comprehensive low-energy consumption recycling method of a waste plasma screen and belongs to the field of industrial waste regeneration. The method comprises that a), the waste plasma screen is roughed, so that the maximum range between any two points of the waste plasma screen ranges between 5cm and 30cm; b), the roughed waste plasma screen is added into a salpeter solution for leaching, during leaching, ultrasonic wave activating treatment and stirring are conducted; and c), silver is recycled from an obtained solution which is subjected to nitrate leaching. According to the method, the step that the plasma screen is required to fine grinding is reduced, the energy consumption is reduced, the leaching time is reduced, the efficiency is improved, and the problems that for a long time, technical workers in the field hold a technical bias that the granularity has to be reduced as possible in order to improving the leaching efficiency, and glass is easy to bond when encountering water are solved. The method is low in energy consumption, high in efficiency, capable of preparing silver with the purity of more than 99.9% and being processed in large scales, and suitable for being popularized and applied in the field.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Anti-pollution photocatalytic degradation blended membrane

The invention discloses an anti-pollution photocatalytic degradation blended membrane. The preparation steps include: dissolving polyvinylidene fluoride (PVDF) in a diluent at a high temperature to form a PVDF transparent solution; respectively adding zinc oxide (ZnO) and carboxylated carbon nanotubes (MWCNTS) into a diluent, and carrying out ultrasonic treatment to obtain an MWCNTS mixed solution(A) and a ZnO mixed solution (B); sequentially adding A and B into the PVDF membrane casting solution, stirring the substances uniformly, and carrying out in-situ reaction on the MWCNTS and ZnO to generate an MWCNTS-ZnO compound; and preparing an MWCNTS-ZnO / PVDF blended membrane by thermally induced phase inversion method. The MWCNTS-ZnO / PVDF blended membrane is stable in structure and high in strength, has the advantages of photodegradation, self-cleaning and pollution resistance, and is suitable for large-scale treatment of dye wastewater.
Owner:TIANJIN POLYTECHNIC UNIV

A method of processing cationic dye wastewater based on electrochemical modification method

The invention relates to an efficient electrochemical method for treating cationic dye wastewater, belonging to the technical field of wastewater treatment. The core of the method lies in: using electrochemical methods to modify the cationic dye molecules to make them insoluble, and the modified dye molecules can be separated from the wastewater by simple filtration to realize wastewater treatment. the goal of. The new method of the invention has the characteristics of high removal efficiency, simple operation process, no secondary pollution, low operating cost, and friendliness to the environment and operators, and has high practical application value.
Owner:WUHAN UNIV OF SCI & TECH

Tubular pyrohydrolysis treatment method and device for sludge

The invention provides a tubular pyrohydrolysis treatment method and device for sludge. The device consists of five main systems, namely a feeding system, a modification system, a dehydration system, a heat exchange system, and a purification system; and by adopting a catalyst injecting mode, the sludge is directly heated with medium pressure steam and is subjected to pyrohydrolysis at medium temperature, the remaining heat in the hydrolysis process is fully recycled, and a liquid-solid mixture is obtained, so not only supports of controllable components are provided for a compound fertilizer, but also a filter cake which is subjected to liquid-solid separation has an adjustable moisture content, namely the moisture content of the raw sludge can be reduced to 40 to 60 percent from about 80 percent. Compared with the prior art, the device has the advantages that: the structure is simple, the device can be continuously and stably operated, the sludge pyrohydrolysis temperature is 210 to250 DEG C, the reaction time is 10 to 20 minutes, the reduction and harmless treatment of the sludge can be economically, quickly and effectively achieved, the sludge can be treated on a large scale,and a novel approach is provided for the sludge treatment and the energy recycling of equipment.
Owner:安徽合协生态环境科技有限公司

A Parallel Vulnerability Mining Method Based on Open Source Library and Text Mining

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.
Owner:CHINA INFORMATION TECH SECURITY EVALUATION CENT
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