63results about How to "Reduce regeneration" patented technology

One aspect of the invention relates an exhaust treatment system having an SCR reactor following a NOx adsorber. Syn gas is used to regenerate the NOx adsorber. Another aspect relates to an LNT / SCR provided with an ammonia source separate from the LNT. A further aspect relates to a system comprising first and second LNTs and one or more SCRs downstream of the LNTs. A still further aspect relates to a device comprising first and second NOx adsorbers contained in a single housing. Another aspect relates to coating a surface of a moving part in an exhaust system with an oxidation catalyst to mitigate fouling. Additional aspects of the invention relate to strategies for controlling one or more of the time to initiate a regeneration cycle, the time to terminate a regeneration cycle, and the reductant injection rate during regeneration of LNT / SCR exhaust treatment systems.

The present invention features braking control methods for an electric vehicle. Such methods include identifying a vehicle operational condition occurring during regenerative braking that reduces regenerative braking capacity; linearly reducing the amount of regenerative braking of a motor of the electric vehicle after identifying such a vehicle operational condition; and at the same time, increasing the amount of hydraulic braking of a hydraulic braking system to compensate for the reducing of the amount of regenerative braking. Such operational conditions include when the temperature of a motor or battery is increased above a predetermined level during regenerative braking or when the shift lever is shifted to Neutral (N) position by a driver during regenerative braking.

The present invention provides a water softening device for application in a household appliance comprising a flow-through capacitor for the production of wash amplified water (WAW) from tap water, having less than 5° FH, being suitable for use in said appliance when the device is in operation; the configuration of the device is such that the capacitor can be regenerated, whereby no added substances are used. Said washing machine being suitable for use with low environmental impact detergent products.

Highly pure aqueous solution of ammonia, typically electronics grade for use in semiconductor manufacturing is prepared by passing a solution of ammonia through at least one cation exchange resin bed to remove substantially all of the cation contaminants; subsequently passing the cation exchange resin effluent through at least one anion exchange resin; and recovering an aqueous solution of ammonia product substantially free of ionic contaminants.

A honeycomb filter 1 includes: partition walls separating and forming a plurality of cells extending in a direction of a central axis 21, and a catalyst loaded on the partition wall. A region (central unloaded portion) 4 from one end portion (outlet side end portion) 12 in the direction of the central axis to at least ½ of length in the direction of the central axis in a central portion 2 including the central axis 21 and excluding an outer periphery 22 is a catalyst-unloaded region, a region (outer peripheral unloaded portion) 5 from the outlet side end portion 12 to ⅔ or less of length in the direction of the central axis in the central unloaded portion 4 is a catalyst-unloaded region, and a portion excluding the central unloaded portion 4 and the outer peripheral unloaded portion 5 from the whole is a catalyst-loaded portion. The honeycomb filter can inhibit catalyst deterioration, occurrence of crack, and melting and raise regeneration efficiency.

Provided is an exhaust emission control device for an internal combustion engine capable of preventing NOx purification performance from degrading according to the operating condition. The exhaust emission control device comprises a NOx purification catalyst, a catalytic converter for continuously reducing the NOx in the exhaust emissions, a fuel reformer for reforming fuel to manufacture a reformed gas and supplying the reformed gas as the reducing gas from the upstream side of the NOx purification catalyst and the catalytic converter of the exhaust pipe, an operating condition detecting means for detecting the operating condition of an engine, and an enriching means for enriching the exhaust air-fuel ratio. The enriching means enriches the exhaust air-fuel ratio by supplying the reducing gas into the exhaust pipe by using the fuel reformer when the operating condition detected by the operating condition detecting means is a high-load operating condition.

Provided is an exhaust emission control device for an internal combustion engine capable of preventing NOx purification performance from degrading according to the operating condition. The exhaust emission control device comprises an NOx purification catalyst for adsorbing or occluding NOx in exhaust emissions and reducing the NOx, which is provided in an exhaust pipe (4), a catalyst converter (31) for continuously reducing the NOx in the exhaust emissions by using a reducing gas, which is provided in the exhaust pipe (4), a fuel reformer (50) for reforming fuel to manufacture a reformed gas containing hydrogen and carbon monoxide and supplying the reformed gas as the reducing gas from an introduction port (14) provided on the upstream side of the NOx purification catalyst (33) and the catalyst converter (31) of the exhaust pipe (4), which is provided separately from the exhaust pipe (4), an operating condition detecting means for detecting the operating condition of an engine, and an enriching means (40) for enriching the exhaust air-fuel ratio. The enriching means enriches the exhaust air-fuel ratio by supplying the reducing gas into the exhaust pipe (4) by using the fuel reformer (50) when the operating condition detected by the operating condition detecting means is a high-load operating condition.

Provided is a diesel engine which can efficiently regenerate a diesel particulate filter. The control for regeneration using an ECU includes a first regeneration by burning particulate matter at slightly more than 300° C. for 20 minutes when the accumulation of particulate matter exceeds a first threshold; a second regeneration by burning particulate matter at approximately 560° C. for 30 minutes by an additional injection to remove particulate matter other than ash when the accumulation of particulate matter exceeds the first threshold for a first predetermined period of time, or every 100 hours; and a third regeneration by burning particulate matter at approximately 600° C. for 15 minutes by an additional injection to remove particulate matter other than ash when the accumulation of particulate matter exceeds a second threshold and an emergency regeneration switch is pushed, or after 50 hours since the second or third regeneration and the emergency regeneration switch is pushed.

A method and a device for removing acidic materials, such as CO2 and H2S, with limited energy consumption are provided. The method comprises a step of introducing the feed gas into a first absorber, and removing CO2 and H2S from the feed gas by contacting the feed gas with a lean solution in the first absorber; and a step of introducing the feed gas into a second absorber, and removing CO2 and H2S remaining in the feed gas by contacting the feed gas with a semi-lean solution in the second absorber. The rich solution having absorbed CO2 and H2S in the first and second absorber is introduced into a flash drum where an internal pressure is kept lower than that in the first absorber and in the second absorber. After a part of CO2 and H2S is released from the rich solution in the flash drum to obtain a semi-lean solution, a part of the semi-lean solution is cooled and introduced into the second absorber to contact with the feed gas in the second absorber. A remaining part of the semi-lean solution is introduced into a stripper and heated to release remaining CO2 and H25 from the semi-lean solution and to obtain a lean solution. A part of the lean solution is cooled and introduced into the first absorber to contact with the feed gas in the first absorber. A remaining part of the lean solution is cooled, introduced into the second absorber at an upper level of the second absorber, and is contacted with the feed gas in the second absorber, and thereby obtaining a treated gas.

Apparatus and a method for controlling gas flow into a combustion engine exhaust gas filter e.g., to control filter temperatures during filter regeneration, comprising providing a fluidic exhaust stream diverter proximate to and centrally of the inlet face of the filter and activating the fluidic diverter to divert exhaust gas flow away from central filter portions toward peripheral filter portions.

A control apparatus for controlling a regenerative operation of a vehicle motor includes a vehicle motor as a drive source of a vehicle, an energy storage device, including plural cells, for storing regenerative energy generated by a regenerative operation of the vehicle motor, and a total voltage measuring device for measuring a total voltage that is a sum of inter-terminal voltages of the plural cells, a cell voltage judgment device for determining whether the inter-terminal voltage of any one of the plural cells exceeds a predetermined regeneration limitation voltage, a total voltage estimating device for determining, when it is determined by the cell voltage judgment device that the inter-terminal voltage of any one of the cells exceeds the predetermined regeneration limitation voltage, an estimated total voltage which is defined as a total voltage at a time when the inter-terminal voltage of the one of the cells reaches a regeneration prohibition voltage that is higher than the predetermined regenerative operation limiting voltage, and a control device for setting an amount of regeneration depending on a difference between the estimated total voltage determined by the total voltage estimating device and the total voltage measured by the total voltage measuring device.

A cryotrap which is set in a vacuum vessel, and has an exhaust panel which condenses and exhausts a gas by cooling, and a cooling stage which is connected to a refrigerator and thereby cooled, includes a cooling storage body fixed on a cooling stage while maintaining thermal contact with it, and a mechanism which thermally connects / disconnects the cooling storage body 6 and the exhaust panel. The mechanism which performs thermal connection / disconnection has a movable unit which has a good heat conductivity and can come into contact with and separate from the exhaust panel and the cooling storage body.

The invention discloses a polyethylene terephthalate (PET) polyester composition, which has the advantages of high solid polymerization reaction speed and relatively low regeneration amounts of aldehyde and cyclic oligomer during processing. In a polymerization process, a titanium element-containing compound is taken as a condensation polymerization catalyst, and a phosphorus element-containing stabilizing agent and an organic dye are added to avoid a yellow phase of polyester; and a phosphorus and calcium-containing compound shown as a structural formula (I) is added to increase the solid polymerization reaction speed of PET prepolymer and enhance the processing quality of a synthesized PET polyester composition; and when the polyester composition is used for processing and manufacturing a bottle mold, the regeneration amounts of the aldehyde and the cyclic oligomer are relatively low.

The invention relates to the field of food processing, in particular relates to a whole grain vegetable sausage and a preparation method thereof, and aims to solve the technical problems that whole grain food cannot be made into convenient food and cannot be popularized for eating because whole grains are rich in starch which is likely to retrograde. Raw materials of the whole grain vegetable sausage comprise soy protein, salad oil, plain white, starch, water, composite gel, sticky rice, sweet corn grit, sesame, red bean sugar natto, green bean sugar natto, sorghum, soybean, oatmeal and the like. The preparation method comprises the following steps of: (a), raw material treatment; (b), addition of diastase; (c), cutting and blending; (d), filling and tying; (e), sterilization; (f), cooling. The invention provides a new method for preparation of a vegetable product. The product tastes good, the starch is unlikely to retrograde, the safety of food shelf life is greatly improved, and the whole grain vegetable sausage is wide in application prospect.

Water-forming NADH oxidase derived from Streptococcus mutans should be further improved in terms of stability for practical use in industrial production. An object of the present invention is to provide an enzyme that is obtained through modification of a water-forming NADH oxidase, which is useful as an NAD+ regeneration system for stereoselective oxidation catalyzed by an oxidoreductase, by protein engineering techniques so that the enzyme can withstand long-term use without exhibiting a reduction of its activity for the regeneration of NAD+, that is, an enzyme having improved stability, and to provide a method for efficiently producing a useful substance such as an optically active alcohol or amino acid. The present invention relates to an enzyme modification method that can improve the stability of water-forming NADH oxidase derived from Streptococcus mutans by appropriately introducing mutation.

The invention discloses a method for separating C5 fraction through first-stage extraction rectification by a NMP method. The method comprises the steps of dehydrogenation, dimerization reaction, deheavy, extraction rectification, steam stripping and refining, wherein isopentane is utilized to take most of acetylene hydrocarbon away from the tower top in the dehydrogenation step; and a mixed solvent of NMP and a saline solution is adopted as an extracting agent in the step of extraction rectification. The method improves the extracting agent, increases the selectivity of the extracting agent, cancels a two-stage extraction rectification unit, and reduces the using amount and the regeneration amount of the solvent, thereby reducing operating cost.

A vehicle includes a friction brake, a regenerative brake, and an ECU. The ECU is configured to: (a) control a total braking force that is generated in the vehicle; (b) execute first brake control for controlling a braking force of the vehicle on the basis of the brake operation amount; (c) determine based on the brake operation amount whether the driver's brake operation is being carried out; (d) when the ECU determines that the driver's brake operation is not being carried out, execute second brake control for automatically controlling the braking force of the vehicle in response to a condition of the vehicle, other than the brake operation amount; and (e) when the second brake control is executed, reduce a proportion of a braking force of the regenerative brake within the total braking force as compared to when the first brake control is executed.

The invention relates to a gas combustion heating furnace capable of reducing emission of nitrogen oxides and organic volatile matters, and the gas combustion heating furnace effectively solves the problem that emission amount of nitrogen oxides and organic volatile matters of the heating furnace is great, and the emitted nitrogen oxides and organic volatile matters do not reach the standard. A guide ring slot is formed in a ring wall in a pre-combustion chamber wall body; a spray hole is formed in the top of a gap in the guide ring path between the ring wall and the wall body; a hot gas tube, a fuel gas tube, an air tube and a secondary air tube are arranged outside the wall body; distributing ring paths which are connected with the fuel gas tube, the air tube and the secondary air tube are arranged in the inner wall of the wall body; the hot gas tube is connected with the guide ring path; a fuel gas spray nozzle, an air spray tube and a secondary air spray nozzle tube are arranged on each distributing ring path; the lower part of a pre-combustion chamber is equipped with a heat storage chamber; a heat storage body is arranged in each of the ring wall and the heat storage chamber; a flue gas and cold gas tube is arranged on the wall body of the heat storage chamber; a collecting ring slot is formed between the flue gas and cold gas tube and the heat storage body; a reflux spray nozzle on the top of the wall body of the pre-combustion chamber is connected with a reflux tube; an injection tube is arranged in the reflux tube; and a supporting plate is arranged between a spray hole of the ejection tube and the reflux tube. The gas combustion heating furnace effectively inhibits generation of nitrogen oxides and control of organic volatile matters, is simple in structure, and saves investment cost.

A system and method of applying a coast regeneration torque of a vehicle are provided. The method corrects a magnitude of slip (or a slip ratio) which is considered when a coast regeneration torque is to be variably controlled while the vehicle is coasting.

The invention discloses a method for the one-stage extraction, distillation and separation of carbon 5 (C5) fractions by using the reactive distillation NMP method. The method comprises the following steps of: light components removal, heavy components removal, extractive distillation, gas stripping and purification, wherein in the step of light components removal, most alkynes are removed from atower top through isopentane; in the step of extractive distillation, the mixed solvents of the NMP and salt solution serve as an extracting agent; and in the steps of light components removal and heavy components removal, the process of reactive distillation is used. The method has the advantages of improving the extracting agents and the selectivity of the extracting agents; saving a two-stage extractive distillation unit, and reducing the using amount and regeneration amount of the solvents, thereby reducing the operation fee.

The invention provides a disposal system and process for melting hazardous waste by plasma gasification. The system includes a plasma gasification melting furnace, an exhaust heat boiler, a washing tower, a dedusting device and an exhaust device. The plasma gasification melting furnace melts the crushed hazardous waste. The exhaust heat boiler recovers sensible heat of synthetic gas discharged from the plasma gasification melting furnace. The washing tower cools, deacidifies and dedusts the synthetic gas passing through the exhaust heat boiler. The dedusting device further dedusts the synthetic gas discharged from the washing tower. The exhaust device includes a torch or a fuel gas boiler. The torch burns the synthetic gas passing through the dedusting device. The fuel gas boiler recoverschemical energy of the gas passing through the dedusting device.

The present invention relates to a device for directing and accelerating the growth of neuronal axon or neurite. The invention accelerates the growth speed of axon of nerve cells by using a substrate configured with a discontinuous micropattern of neuronal path-finding molecules or material thereon. The invention can reduce the connection or regeneration time of neural network. The present invention also discloses a micro-contact printing method for producing the device.

In regenerating carbon dioxide capturing material, the amount of regeneration gas supplied to a carbon dioxide recovery column is reduced for higher energy efficiency and shortened regeneration time. A carbon dioxide recovery apparatus includes a carbon dioxide sorbing column, a heating unit, and first, second, and third channels. The carbon dioxide sorbing column contains a carbon dioxide capturing material. The heating unit heats the carbon dioxide capturing material. A carbon-dioxide-containing gas is introduced via the first channel into the carbon dioxide sorbing column. The regeneration gas is introduced via the second channel into the carbon dioxide sorbing column. A gaseous mixture containing a gas desorbed from the carbon dioxide capturing material is recovered via the third channel. The heating unit preheats the carbon dioxide capturing material, and then the regeneration gas is introduced into the carbon dioxide sorbing column to recover carbon dioxide from the carbon dioxide capturing material.

A four-axial-fins fixed bed reactor for use with calcium aluminate carbonates CO2 sorbents is provided. The four-axial-fins fixed bed reactor includes a tubular reactor and a four-axial-fins tube. The tubular reactor has a tubular reactor inner wall. The four-axial-fins tube is disposed in the tubular reactor, wherein the four-axial-fins tube includes a tube and four axial fins. The tube has a tube outer wall. An annular space is formed between the tube and the tubular reactor. The four axial fins extend along the radial direction of the tubular reactor from the tube outer wall to connect the tubular reactor inner wall, wherein the annular space is equally divided by the four axial fins.

A motor-vehicle engine system comprises an envelope configured to transmit exhaust. The envelope encloses a first array of filtration cells downstream of a second array of filtration cells. The system further comprises a fuel injector configured to increase a temperature in the envelope when soot is evenly distributed between the first and second arrays in order to address thermal gradients.

The invention relates to an amine desulphurization method for a refinery plant. The invention aims to solve the problems of insufficient utilization for low H2S loaded rich absorbent, high energy consumption and lower efficiency of the prior art. The method comprises the following steps: a) countercurrent contacting the first refinery plant gas containing H2S with a desulphurization agent in a first refinery plant desulphurization tower (A), thereby acquiring a purified first refinery plant gas flow and a low H2S loaded rich solution; b) countercurrent contacting the second refinery plant gas with partial / all low H2S loaded rich solution from the first refinery plant desulphurization tower and a supplementary desulphurization agent in a second refinery plant desulphurization tower (B), thereby acquiring a purified second refinery plant gas flow and a high H2S loaded rich solution; and c) enabling the high H2S loaded rich solution to successively pass through a rich solution heat exchanger (C), a rich solution flash tank (D) and a solvent regenerating tower (F), then entering the first refinery plant desulphurization tower (A) for recycling, performing gas-liquid separating treatment on the acid gas from the top of the solvent regenerating tower, and then feeding to a sulfur recovery device. According to the method provided by the invention, the circulation volume and regenerating volume of the desulphurization agent can be effectively reduced, and the purposes of saving energy, reducing consumption, reducing the waste of effective resources and reducing investment can be achieved.

A fluidizing and suspension type compound burning device is provided, which relates to a burning device. The invention resolves the problem as mutual heat influence and mutual flow influence of a bubbling fluidized bed firebox and a suspension firebox of the existing burning device for the two are integrated, thus incapable of symmetrically burning two solid fuels with different grain diameters and burning activities sufficiently in one burning device. The invention comprises a bubbling fluidized bed low temperature firebox (3), a high temperature swirl suspension firebox (7) and a transition section chamber body (5); wherein, the high temperature swirl suspension firebox (7) is located over the bubbling fluidized bed low temperature firebox (3), which is communicated with upper end of the bubbling fluidized bed low temperature firebox (3) through the transition section chamber body (5) with lower end. The invention has the advantages of high burning efficiency and sufficient burning, which realizes the sufficient burning of two solid fuels of different burning grain diameters and burning activities symmetrically in one burning device.