34results about How to "Good application benefit" patented technology

The invention discloses a method for preparing azotic starch syrup used for fermentation by a peeled and degermed corn meal multienzyme method, which comprises the following steps of: (1) derosination; (2) size mixing; (3) liquefaction; (4) saccharification; (5) protein transforming; and (6) adding of filter aid and activated carbon for filtration and concentration so as to finally obtain the azotic starch syrup. The azotic starch syrup prepared by the method of the invention is rich in nutrient elements required by microorganism fermentation, such as protein hydrolysate and Alpha-amino nigrogen, etc.; the adding of suitable and rich carbon sources can simplify the technology process used in fermentation and is appropriate to the fermentation technology of high concentration and flow, thus improving the fermentation property and unit productivity, reducing the production cost, and particularly suitable for the syrup products developed and produced by taking corn meal as raw material. A saccharifying tank of the invention is changed a little, which can be directly adopted for use in the existing production line of starch by the syrupmultienzyme method.

The invention relates to a method and application of one-step preparation of wood-based activated carbon microspheres. The method of the present invention comprises: mixing wood powder obtained by pulverizing wood with phenol, under the condition of an acidic catalyst and an active agent, after heating and keeping warm to obtain a mixed system; mixing hexamethylenetetramine, polyethylene glycol and a stabilizer After being fully mixed, it is added into the mixing system to form wood-based microspheres, and then pre-oxidized and activated to obtain wood-based activated carbon microspheres. The invention has the following advantages: the method is simple, and the microspheres are prepared in one process in one step. Part of the source of raw materials is wood, which increases the added value of wood utilization and reduces the dependence on fossil resources, which is in line with the development direction of environmental protection and sustainable utilization of resources. The use of chemical agents such as formaldehyde and hydrochloric acid for pre-oxidation is reduced, and the toxicity and waste gas emission in the preparation process are reduced. Avoid the damage of harmful gases to the human body and the pollution of the environment during the production process.

The present invention discloses a process for preparing the N-contained syrup from the wheat starch B by multi-enzyme method, which can be used for fermentation, includes such steps as preparing the slurry, liquefying, saccharifying, protein converting, filtering and concentrating. The process features that: the starch, protein, pentosan and fat, which are the basic components of wheat starch B, are hydrolyzed by the amylase, pentosanase and lipase, thus apart from the obtained small quantity of faecal higher fatty acid with higher melting point, the protein which is not be hydrolyzed completely, and the added protease, the hydrolyzate and the proteolysis hydrolyzate of the added various kinds of amylase, dextranase and lipase are almost remained in the N-contained starch syrup . Therefore, the process for preparing the N-contained syrup from the wheat starch B by multi-enzyme method has the advantages of super-high output rate which is almost 100%, and the ability of being applied and carried out directly for the prior production line of preparing starch syrup by multi-enzyme method.

The invention belongs to the field of titanium silicon molecular sieve, and more specifically provides a titanium silicon molecular sieve, and a synthetic method and applications thereof. The titaniumsilicon molecular sieve is composed of crystal particles with a particle size ranging from 5 to 200nm via aggregation; the particle size of the titanium silicon molecular sieve ranges from 0.3 to 5<mu>m; the I960 / I550 value ranges from 0.7 to 0.85. The invention also provides a cyclic ketone oxidation method. The cyclic ketone oxidation method comprises a step of contact of cyclic ketone, and anoxidizing agent with a catalyst. The catalyst contains the titanium silicon molecular sieve. The crystal of the titanium silicon molecular sieve is high in I960 / I550 value, and is large in effective framework ti content. When the titanium silicon molecular sieve is used in oxidation reaction, the catalytic oxidation activity, and the reaction product selectivity are increased obviously, and excellent catalytic stability is achieved. The titanium silicon molecular sieve is capable of realizing aggregation of small crystal particles in crystallization growth process instead of simple physical aggregation of the small crystal particles, and micron order is achieved.

The invention belongs to the technical field of road maintenance and particularly relates to a roadbed surface dehumidifier. The roadbed surface dehumidifier comprises a substrate, a moisture absorption layer, a moisture fixing agent and a solar heat absorbing coating, wherein a first surface of the substrate is contacted with the surface of a roadbed; an evaporant is arranged on a second surfaceof the substrate; the moisture absorbing layer and the moisture fixing layer are sequentially arranged in the substrate from the first surface of the substrate to the second surface of the substrate;the moisture absorbing layer comprises a moisture absorbent comprising an inorganic drying agent and a polymer drying agent; the moisture fixing layer comprises a moisture fixing agent comprising capillary biological fiber; an evaporation layer comprises the evaporant comprising the solar heat absorbing coating. By the aid of the roadbed surface dehumidifier, the technical problems that road damage and maintenance cost are increased and the service life of roads is greatly shortened due to lack of effective roadbed surface dehumidifiers in the prior art are effectively solved.

The invention relates to the field of catalytic materials and in particular provides a titanium silicalite molecular sieve, a preparation method and application of the titanium silicalite molecular sieve. The titanium silicalite molecular sieve is composed of the following elements in percentage by mass: 0.01-10% of precious metals, silicon, 0.01-10% of titanium and oxygen, wherein the I960 / I550 value is 0.5-0.9; the U480 / U330 value is 0.5-5; the N-116 / N-112 value is 0.01-0.2; and the particle size is 0.5-5 microns. The invention further provides a cyclic ketone oxidation method. The cyclic ketone oxidation method comprises the following step: contacting cyclic ketone, an oxidizing agent and a catalyst, wherein the catalyst contains the titanium silicalite molecular sieve disclosed by theinvention. Compared with the prior art, the titanium silicalite molecular sieve disclosed by the invention has the advantages that diffusion of the reactants and product is facilitated in an oxidationreaction, so that oxidative activity is fully achieved, and the selectivity is improved. For example, when applied to a reaction in which ring molecules, particularly cyclic ketone molecules, participate or are produced, the titanium silicalite molecular sieve can achieve excellent catalytic effects. Moreover, filtration and separation of the catalyst after the reaction can be further facilitated, and industrialized application is easily realized.

The invention relates to the field of catalytic materials and in particular provides a titanium silicalite molecular sieve, a synthetic method and application of the titanium silicalite molecular sieve. The titanium silicalite molecular sieve is composed of the following elements in percentage by mass: 0.01-5% of precious metals, silicon, 0.02-8% of titanium and oxygen, wherein the I960 / I550 valueis 0.6-0.9; the U480 / U330 value is 0.5-5; and the N-116 / N-112 value is 0.01-0.2. The invention further provides a cyclic ketone oxidation method. The cyclic ketone oxidation method comprises the following step: contacting cyclic ketone, an oxidizing agent and a catalyst, wherein the catalyst contains the titanium silicalite molecular sieve disclosed by the invention. Compared with the prior art,the titanium silicalite molecular sieve disclosed by the invention has the advantages that diffusion of the reactants and product is facilitated in an oxidation reaction, so that oxidative activity isfully achieved, and the selectivity is improved. For example, when applied to a reaction in which ring molecules, particularly cyclic ketone molecules, participate or are produced, the titanium silicalite molecular sieve can achieve excellent catalytic effects. Moreover, filtration and separation of the catalyst after the reaction can be further facilitated, and industrialized application is easily realized.

The invention discloses a compensator for improving the linear characteristic of a hydraulic force loading system. The compensator relates to a compensator compensation method for improving the linear characteristic of the hydraulic force loading system. The compensator compensation method for improving the linear characteristic of the hydraulic force loading system comprises the specific steps of (1) establishment of the relationship coefficient between the pressure within a controlled range and the theoretical linear opening degree of an overflow valve according to the full-range loading force and the opening degree corresponding to the full-range loading force; (2) designing of a software product, specifically, a software compensator is used for compensation correction calculation, so that the actual opening degree of the overflow valve is obtained; and the actual opening degree is directly output to an overflow valve control amplification panel through a digital-to-analogue conversion module of a processor; and (3) using of a hardware product, specifically, the theoretical opening degree of the overflow valve is determined, the theoretical opening degree is directly output to the input end of a hardware compensation signal module through the digital-to-analogue conversion module of the processor, and the output end of the hardware compensation signal module is connected to a proportional valve control amplification panel. The invention further discloses a using method of the compensator for the hydraulic force loading system. By adoption of the compensator for improving the linear characteristic of the hydraulic force loading system and the using method of the compensator, the requirement for linear control over a high-precision pressure curve in a laboratory or industrial scientific research and production is met.