8results about How to "Good decolorization effect" patented technology

The present application relates to the field of microbial technology and wastewater treatment, and specifically discloses a Kodamaea ohmeri strain with azo dye degradation function and its application. The strain was preserved in the China General Microbiological Culture Collection Center on September 30, 2022, with the preservation number of CGMCC No. 25860. The strain is isolated from the soil of Dongzhaigang Mangrove Nature Reserve in Hainan, and has decolorization and degradation effects on azo dyes such as reactive black 5, reactive brilliant red K-2G, reactive brilliant red X-3B, and methyl orange. The strain can adapt to changes in a relatively wide range of environmental factors such as salinity, pH, and temperature, and has a certain tolerance to the concentration of representative disazo dye reactive black 5. This provides a possible source of yeast strains for the biodegradation of azo dyes, and has good theoretical research value and broad application prospects in the field.

This invention relates to the field of pharmaceutical technology and discloses a method for improving the clarity and color of oxybuprocaine hydrochloride solution, comprising the following steps: S110: Oxoplasmin is added to a reactor, and an organic solvent is added while stirring to control the reaction system at 0-10°C; an antioxidant is added. S120: Hydrochloric acid is slowly added in batches to the temperature-controlled reaction system. After the addition is complete, the temperature is controlled at 0-10°C for 2-4 hours, then the temperature is raised to 40-50°C for 2-4 hours, and activated carbon is added. S130: The mixture is filtered while hot, and solvent is slowly added dropwise to the filtrate until the product precipitates. After slurrying at 25-35°C for 2 hours, the mixture is filtered, and the filter cake is vacuum dried in a vacuum drying oven at 40-50°C for 12-16 hours to obtain oxybuprocaine hydrochloride. This invention provides a novel method for obtaining oxybuprocaine hydrochloride by adding antioxidants and activated carbon in the salt formation step. The clarity and color of the resulting product solution meet pharmacopoeia requirements.

The invention relates to a liquid decolorizing agent for decolorizing crude styrene and a decolorizing method of crude styrene. The liquid decolorizing agent contains 70-90 wt% of a decolorizing component and the balance of a polymerization inhibitor. Wherein the decolorizing component contains a first decolorizing component and optionally a second decolorizing component, and the first decolorizing component contains citraconic anhydride. The decolorizing agent disclosed by the invention is liquid at normal temperature, stable in property and good in decolorizing effect.

The utility model relates to the technical field of inositol production, in particular to a production system for preparing magnesium dihydrogen phosphate by utilizing inositol hydrolysis residues, which comprises a hydrolysis residue storage tank, a discharge port of the hydrolysis residue storage tank is communicated with a smashing device, a discharge port of the smashing device is communicated with a reaction kettle, and a discharge port of the reaction kettle is communicated with a filtering device. A liquid outlet of the filtering device is communicated with a first buffer kettle, a discharge port of the first buffer kettle is communicated with a decolorizing kettle, a decolorizing liquid outlet of the decolorizing kettle is communicated with a second buffer kettle, a discharge port of the second buffer kettle is communicated with a crystallization kettle, a crystal outlet of the crystallization kettle is communicated with a drying device, and a discharge port of the drying device is communicated with a product storage tank. According to the production system with the structure, continuous operation can be realized, phosphate in the inositol hydrolysis residues can be recycled, resource waste is avoided, and a high-yield, high-yield and high-purity monopotassium phosphate product can be obtained.

The utility model relates to industrial grade mixed oil processing field especially, relates to a kind of industrial grade mixed oil decoloring tank, including decoloring tank body, and the top and bottom of decoloring tank body are respectively fixedly connected with feed inlet and discharge outlet, and the top of decoloring tank body is fixedly connected with driving motor, and rotatingly connected with the mixing mechanism for oil product mixing in decoloring tank body, and mixing mechanism is connected with driving motor, and the outside of decoloring tank body is fixedly connected with heating box, and cavity is set in heating box, and cavity is filled with heat conducting oil, and the bottom of cavity is fixedly connected with multiple heating rods, and the top of cavity is rotatably connected with stirring mechanism, and the surface of decoloring tank body is connected with transmission mechanism, and transmission mechanism is connected with mixing mechanism and stirring mechanism respectively, the device can make heat conducting oil heat sufficiently, make heat conducting oil heat evenly to improve the preheating effect of decoloring tank, effectively improve the preheating effect of industrial grade mixed oil.

The utility model relates to waste mineral oil decoloring equipment technical field discloses a waste mineral oil decoloring device, including the decoloring jar, the inside of decoloring jar is provided with the stirring assembly for stirring waste mineral oil, and the stirring assembly includes the circulating cylinder fixed in the bottom surface of decoloring jar inside, the top frame is provided with the top frame of circulating cylinder, and the inside top surface of decoloring jar is fixed with the top frame, and the outer wall of top frame is rotatably connected with the rotary seat, and the outer wall of rotary seat is fixed with a plurality of stirring vane. The utility model discloses through setting up circulating cylinder in the inside of decoloring jar, and setting up circulating impeller in the inside of circulating cylinder, and setting up stirring vane on the outside of circulating cylinder, and driving rod can drive circulating impeller and circulating impeller to rotate simultaneously, and the mixed oil liquid of decoloring jar lower layer is cooperated circulating impeller circulating cylinder and fastly transported to the upper layer, makes the oil liquid in the inside of decoloring jar constantly circulates up and down, and then cooperates the stirring of stirring vane, makes waste mineral oil and decoloring agent fully mix, and increases the decoloring effect to waste mineral oil.

The present application relates to a kind of anthraquinone-based dyeing pigment wastewater treatment method and system based on multistage cooperation, belong to industrial wastewater treatment technical field, solve the problems of low COD removal rate, poor nitrification denitrification and difficult decolorization in the prior art of anthraquinone-based dye wastewater treatment method.The method comprises: respectively pretreating anthraquinone-based dye wastewater, azo pigment non-ink lake wastewater and azo pigment ink lake wastewater, the pretreatment of anthraquinone-based dye wastewater includes sequentially flocculation adsorption treatment, filter pressing dewatering treatment and ozone catalytic oxidation treatment;Mix the above wastewater and other wastewater in the factory area after pretreatment, carry out multistage biochemical intensification treatment to the obtained mixed wastewater;The mixed wastewater after biochemical intensification treatment is carried out sedimentation sludge-water separation, and the supernatant separated is carried out multistage physical and chemical synergistic treatment.The present application can improve COD removal rate and nitrification denitrification, decolorization effect.

The invention relates to a tissue decoloring, blood-removing and decalcifying composition and application thereof. The tissue decoloring, blood-removing and decalcifying composition comprises: a) a divalent cation chelating agent; b) an imidazole reagent, wherein the imidazole reagent is imidazole with amino alkyl; and c) water. The tissue decoloring, deblood and decalcification composition can realize decalcification, deblood and decoloring of biological tissues at the same time, and can realize decalcification and decoloring effects better than those of an existing decalcification reagent and an existing decoloring reagent respectively.