41results about How to "Simple regeneration" patented technology

The invention provides a production method of fructus monordicae extract with over 60% of mogroside V content. In the method, the fresh momordica grosvenori is subjected to the following technique processes: smashing, saccharification, extraction by water, concentration, sedimentation and centrifugation, ion exchange resin refining, macroporous resin refining, concentration, aluminum oxide refining, concentration, spray drying and finishing product. The method can produce high-quality fructus monordicae extract products, reduce material loss, shorten period of production, increase product yield, lower production cost, and is suitable for industrial production. The mogroside V content in the fructus monordicae extract produced by the method is more than or equal to 60%; the fructus monordicae extract has high product purity, single composition, pure white color, good color and taste, fresh and cool sweet taste like that of sugar, simultaneously overcomes the technical problem for industrial production of the high-content and high-quality fructus monordicae extract, and successfully realizes large-scale production.

The invention provides a new method for preparing high purity chlorogenic acid, comprising the steps: after the stock solution of the chlorogenic acid is processed by washing impurity and eluting through at least four levels of macroporous resin series connection adsorption column, and then the eluate is regenerated for continuous countercurrent extraction, so that the high purity chlorogenic acid is obtained. The method is applicable to light concentration stock solution of the chlorogenic acid, and can complete the process of absorbing, washing impurity, eluting, regenerating, countercurrent extracting and recycling the solvent in a semicontinuous way; the handling capacity of samples is large, the operation is simple, the production cost can be lowered, the residual organic solvent is reduced, and the environmental pollution is relieved.

The invention relates to a purification method of phloretin powder, belonging to the technical field of the chemical industry. The purification method comprises the following steps of: mixing and purifying leechee shells and an alcohol solution to obtain a crude extract; carrying out ion exchange resin separation after concentration; and finally carrying out macroporous resin separation to obtainthe phloretin powder. The invention has the advantages that the process is simple, the extraction ratio achieves above 60%, the purity of the extracted phloretin can achieve above 95%, and the extracted phloretin is applied to the fields of cosmetics.

The invention discloses a mercury-free catalyst used in the generation of vinyl chloride by the hydrochlorination of acetylene. In the catalyst, gold ions are taken as an active ingredient, and one or two transition metal elements such as copper chloride and hexaamminecobalt trichloride are added additionally; metal salts of the active ingredient can be nitrate, acetate, chloride, a complex and the like; and the active ingredient is loaded by a porous carrier, and the porous carrier is pitch-based spherical activated carbon or powdered activated carbon. The active ingredient is loaded by an impregnation method.

The invention provides a sulfur hexafluoride automatic recycling device. The sulfur hexafluoride automatic recycling device is characterized by comprising a gas storage device, a filter system, a compression system, a pipeline system and an electric control system which are mounted on a supporting device; the filter system comprises a granule filter and a water filter; the compression system comprises a compressor and a recovery pump; the pipeline system comprises pipelines connecting the devices and control valves on the pipelines; and the electric control system comprises a sensor, an electric control member and an instrument display device. By adopting a lubricating oil-free and leakage-free non-metal spacer sleeve magnetic coupled power transmission compressor, the recovered gas does not contain oil, and regeneration of gas is quite simple and feasible, and the device is leakage-free and the influence on the environment is reduced to the lowest extent. Meanwhile, the sulfur hexafluoride automatic recycling device is simple and feasible to maintain, low in cost and faster to maintain.

The invention discloses a Ru-Pt-Ni catalyst used for synthesizing vinyl chloride by hydrochlorinating acetylene. The Ru-Pt-Ni catalyst comprises an inert porous carrier, a ruthenium salt, a nickel salt and a platinum salt, wherein the ruthenium salt, the nickel salt and the platinum salt are carried on the inert porous carrier, the weight of the Ru is 0.01%-5% of the weight of the Ru-Pt-Ni catalyst, and the mole ratio of the Ru, the Pt and the Ni is 1:0.1-10:0.1-10. The Ru-Pt-Ni catalyst is advantageous in that: by using the Ru-Pt-Ni catalyst for synthesizing the vinyl chloride by hydrochlorinating acetylene, the reaction temperature can be decreased to be lower than 180 DEG C, the selectivity of a reaction product is good, byproducts are little, the reaction activity is high, the conversion rate of acetylene exceeds 99% and the selectivity of the vinyl chloride reaches 99.9%; the catalyst is high in strength and long in service lifetime; and regeneration of the catalyst after an reaction is simple. A preparation method is simple in technology and is easy to operate.

The invention discloses a process method for extracting chlorogenic acid from blumea riparia(BL.)DC, and belongs to the technology field of traditional Chinese medicine extraction process. According to the method, a chlorogenic acid monomer is prepared from the following process: water extraction, concentration, macroporous resin adsorption and separation, elution, purification, and further purification, wherein a compound C is analyzed and determined to be chlorogenic acid with the content of not less than 98.6% by HPLC and is the chlorogenic acid monomer. The process method for extracting the chlorogenic acid from blumea riparia(BL.)DC solves the problems that the preparation purity is not high, the preparation amount is small, the preparation course is complicated and industrialized production is difficult to realize; with combination of the polar macroporous resin column enrichment and a mixed solvent split-phase method, the chlorogenic acid distribution gradient purification is realized, the extraction purity is high, the process steps are simple, and the process method is suitable for industrialized production.

The invention discloses a method for purifying dinoprostone. The method comprises the following steps: S1, taking enzymatic reaction liquid of dinoprostone, and sequentially carrying out microfiltration, ultrafiltration and nanofiltration treatment to obtain nanofiltration liquid; S2, feeding the nanofiltration liquid into a chromatographic column, pre-washing the liquid with a solution A, eluating the liquid with a solution B and collecting an eluant, removing the solvent to acquire dinoprostone, wherein a filler of the chromatographic column is silica gel Unisil 10 to 120 C18. The inventioncan effectively separate and purify the enzymatic reaction liquid of the dinoprostone, and the obtained dinoprostone is high in purity and yield.

[Problem] To provide a treatment device equipped with a catalyst-supporting honeycomb structure, the device being for use in, for example, discharge gas purification or hydrogen production by ammonia decomposition, and a process for producing the treatment device. The catalyst-supporting honeycomb structure is produced by forming corrugated glass paper on which an inorganic-binder-containing functional catalyst is supported, without the necessity of removing the organic binder intrinsically contained in the glass paper, and by using the corrugated glass paper in combination with flat glass paper on which an inorganic-binder-containing functional catalyst is supported. Due to this, not only steps for producing a treatment device equipped with a catalyst-supporting honeycomb structure are greatly shortened, but also the production cost is lowered. [Solution] The treatment device equipped with a catalyst-supporting honeycomb structure comprises the catalyst-supporting honeycomb structure (1) and a casing (4) in which the catalyst-supporting honeycomb structure (1) has been packed, the catalyst-supporting honeycomb structure (1) having been formed by alternately superposing corrugated glass paper that has an inorganic-binder-containing functional catalyst supported thereon and flat glass paper that has, supported thereon, the same inorganic-binder-containing functional catalyst.

This invention provides a kind of cholera toxin detection immunity sensor, includes the quartz crystal shake, the lyophobic layer in the quartz crystal shake and the phosphatides film in the lyophobic layer; this invention also gives the preparation method of the said cholera toxin detection immunity sensor. The preparation of the cholera toxin detection immunity sensor is simple, the reaction is sensitive, the detection is fast, the cost is small and it can be used again and again.

The invention provides a preparation method of Clinodiside A, comprising the following technological steps of: crushing clinopodium polycephalum, adding 8-15 times of water, heating up and extracting for 2-3 times, sinking the extract by the addition of a sinking agent, adding a macroporous resin into a filtered solution for adsorption, carrying out elution by an ethanol solution with the concentration of 60-80%, carrying out vacuum concentration on the eluent, extracting for 2-3 times by using water-saturated n-butanol, carrying out vacuum concentration on the extract, letting the concentrate pass through a gel column for chromatographic separation, carrying out elution by using ethanol with the concentration of 30-35%, collecting a lower column liquid, reducing pressure and recovering ethanol, and drying to obtain Clinodiside A. The technology provided by the invention is simple to operate, has good reappearance and is suitable for the preparation of the high-content Clinodiside A product.

The invention belongs to the technical field of extraction of natural pigment, and particularly relates to a method for purifying peony seed shell pigment by using macroporous resin. According to the technical scheme, the method comprises the following process steps: peony seed shell collecting, drying, pulverizing and sieving, ultra-high-pressure extracting, filtering to obtain filtrate, rotary evaporation to obtain concentration liquor, resin pretreatment, resin static screening, extraction liquid and resin dynamic adsorption, ethanol dynamic elution, and vacuum drying of eluant to obtain the finished product. By spectral characteristics and comparison of color values before and after purification, the original ingredients and characters of the pigment are proved to be retained well in a purification process, and the color value is increased.

The invention discloses a recycled hollow daily chemical packaging bottle automatic decomposition and material sorting system. The recycled hollow daily chemical packaging bottle automatic decomposition and material sorting system comprises a decomposition label stripping machine and a material sorting device, wherein the decomposition label stripping machine comprises a cylindrical tank body horizontally arranged, a rotating shaft is installed between the two ends of the cylindrical tank body, the upper side of the front end of the cylindrical tank body is provided with a material inlet, theside face or the lower side of the rear end of the cylindrical tank body is provided with a material outlet, the middle rear portion of the upper side of the cylindrical tank body is provided with atleast one negative pressure air pipe, the rotating shaft is provided with a plurality of moving cutters, each moving cutter is arranged to be inclined to the axis of the rotating shaft, the inner surface of the cylindrical tank body is provided with a plurality of fixed cutters, and the moving cutters flap materials and drive the materials to squeeze through gaps between the moving cutters and thefixed cutters to move towards the material outlet direction when rotating along with the rotating shaft; and the material sorting device comprises a drum screen, a first conveyer, a first flotation pool, a second flotation pool, a second conveyer and a third conveyer. By means of the recycled hollow daily chemical packaging bottle automatic decomposition and material sorting system, hollow dailychemical packaging bottles can be decomposed automatically and material sorting is performed, and realization of industrial recycling treatment is facilitated.