Tanning fur/feather sewage treatment method

The invention belongs to the technical field of sewage treatment, and particularly relates to a tanning fur/feather sewage treatment method. The method comprises the following steps: tanning fur/feather sewage flows through a fur fetching machine, a coarse grid and a fine grid to remove large solids and fur from water, and enters an electrolytic bath to subjected to electrolysis and oxidation; the sewage subjected to electrolytic oxidation enters a primary flocculating precipitation tank to be subjected to chemical precipitation, and the water subjected to chemical precipitation sequentially enters a primary aerobic tank, a primary precipitation tank, a secondary aerobic tank, a secondary precipitation tank, a tertiary aerobic tank, a tertiary precipitation tank, a quaternary aerobic tank and a quaternary precipitation tank; and the effluent water from the quaternary precipitation tank enters a secondary flocculating precipitation tank to be subjected to chemical precipitation, and is subjected ...

Data processing management system facing to process flow

The invention provides a management system of data processing for flow, which comprises an interface module, a service module of working flow, a representative module of working flow, an engine of working flow, a working flow module and at least a task processing module, wherein the interface module is used to change the request of the user interface to business event and notice the service module of working flow, the service module of working flow is used to provide uniform working flow service for the various users and call the representative module of working flow when receiving the notice from the interface module, the representative module of working flow is used for the engine of working flow which provides various specific working flows and complete the data conversion between the service module of working flow and the engine of working flow, the engine of working flow is used to deliver task case to the working list of the task executor according to the model of working flow, the ...

Interest rate calculation method and device

The embodiment of the invention, which relates to the technical field of information processing, discloses an interest rate calculation method and device. The method comprises: receiving derived business data sent by a client; according to a user account identifier, extracting a contributed economic value added, corresponding to the user account identifier, of the user last year from a data warehouse; calculating a derived business discount rate according to the derived business data and first pricing data; on the basis of the derived business data, the contributed economic value added of the user last year, and second pricing data, calculating a future value proportion of the user; and according to the derived business discount rate, the future value proportion of the user, and third pricing data, calculating a user loan interest rate and displaying an indicator corresponding to the calculation data at a display interface of the client. According to the embodiment of the invention, accuracy ...

Scale inhibitor and preparation method thereof

The invention relates to a scale inhibitor and a preparation method thereof, belonging to the technical field of chemical product; the weight percentages of ingredients thereof are: 2-4% of phosphonocarboxylic acid, 15-25% of low temperature acrylic copolymer, 14-20% of medium and high temperature polymaleic acid dispersant, 15-20% of cherry bay acyl creatine, 1-2% of metal inhibitor BTA, 10-20% of anionic polyacrylamide flocculating agent and the excess of deionized water. The scale inhibitor can all be used in medium, low and high temperature circulating water system, scale is not formed atthe medium, low and high temperature parts and relatively good inhibition effect can be achieved when turbidity is relatively high. The scale inhibitor is prepared by the following steps: (1) adding low temperature acrylic copolymer dispersant, phosphonocarboxylic acid, medium and high temperature polymaleic acid dispersant and part of deionized water into a same reaction kettle and stirring the mixture ...

Non-phosphorus scale and corrosion inhibitor employing seawater as circulating cooling water, and preparation method thereof

The invention belongs to the technical field of water treatment, and particularly relates to a non-phosphorus scale and corrosion inhibitor employing seawater as circulating cooling water and a preparation method thereof. The non-phosphorus scale and corrosion inhibitor is prepared from the following raw materials by weight percent: 2-6% of a mannich alkali quaternary ammonium salt, 5-20% of an aconitic acid-allyl sulfonate copolymer, 4-10% of a polyepoxysuccinic acid, 1-5% of a natural corrosion inhibitor, 5-15% of sodium gluconate, 3-5% of heptahydrate, 0.6-1.1% of BTA, and the balance of deionized water. The non-phosphorus scale and corrosion inhibitor has high scale and corrosion inhibitor performances, the problems of corrosion and scaling of the seawater as the circulating cooling water can be solved, and the non-phosphorus scale and corrosion inhibitor is especially suitable for various circulating water systems employing copper, carbon steel and stainless steel as materials, is ...

Phosphorus-free scale and corrosion inhibitor and preparation method thereof

The invention belongs to the technical field of water treatment and particularly relates to a phosphorus-free scale and corrosion inhibitor and preparation method thereof. The phosphorus-free scale and corrosion inhibitor is prepared from following raw material comprising, by weight, 5-10% of acrylamide, 8-12% of diallyldimethylammonium chloride, 0.1-0.5% of potassium persulfate, 2-3% of hexamethylene tetramine, 5-10% of hydrolytic polymaleic anhydride, 1-2% of benzotriazole and the balance deionized water. The preparation method includes following steps: filling a reaction kettle with the acrylamide and the diallyldimethylammonium chloride according to a proportion, starting a stirring operation, increasing a temperature to 70-80 DEG C, adding the potassium persulfate according to the proportion, carrying out a reaction for 3-4 hours, adding the hexamethylene tetramine according to the proportion, maintaining the temperature for 2-3 hours, decreasing the temperature to room temperature ...

Special corrosion and scale inhibitor for oilfield reinjection water and preparation method of corrosion and scale inhibitor

The invention belongs to the technical field of water treatment, in particular relates to a special corrosion and scale inhibitor for oil field reinjection water and a preparation method of the corrosion and scale inhibitor. The special corrosion and scale inhibitor for oil field reinjection water is prepared by compounding the following materials in percentage by weight: 5-20 percent of 2-phosphonobutane-1,2,4-tricarboxylic butane, 15-30 percent of polymaleic acid, 10-25 percent of oleic-acid-based bicyclo-imidazoline corrosion inhibitor, 2-5 percent of zinc sulfate, 3-10 percent of sodium sulfite and the balance of deionized water. The preparation method comprises the following steps of: dissolving the zinc sulfate and the sodium sulfite with deionized water in a reactor, wherein the deionized water accounts for 1/5 of the total amount of the deionized water; then adding the 2-phosphonobutane-1,2,4-tricarboxylic butane, the polymaleic acid, the oleic-acid-based bicyclo-imidazoline corrosion ...

Scale inhibitor and preparation method thereof

The invention relates to a scale inhibitor and a preparation method thereof, belonging to the technical field of chemical product; the weight percentages of ingredients thereof are: 2-4% of phosphonocarboxylic acid, 15-25% of low temperature acrylic copolymer, 14-20% of medium and high temperature polymaleic acid dispersant, 15-20% of cherry bay acyl creatine, 1-2% of metal inhibitor BTA, 10-20% of anionic polyacrylamide flocculating agent and the excess of deionized water. The scale inhibitor can all be used in medium, low and high temperature circulating water system, scale is not formed at the medium, low and high temperature parts and relatively good inhibition effect can be achieved when turbidity is relatively high. The scale inhibitor is prepared by the following steps: (1) adding low temperature acrylic copolymer dispersant, phosphonocarboxylic acid, medium and high temperature polymaleic acid dispersant and part of deionized water into a same reaction kettle and stirring the mixture ...

System and method for implementing page

The invention discloses a realization method of web pages, which comprises: selected data of task subjects are sent to a Web server; the Web server transfers a page element generated service; the page element generated service selects relative configuration items files; the page element generated service inquires a worldflow service to obtain relative information; the page element generated service assembles real configuration items; the Web server generates a task process page, and the like. The invention also discloses a relative page realization system, and the technique of the invention solves problems of web pages processing of each kind, such as charts, images, briefings and work summaries and the like with convenience by use of large amount of dynamic information data which are generated in complex worldflow service.

GIS (Geographic Information System) real estate valuation based data processing system and method

The invention discloses a GIS (Geographic Information System) real estate valuation based data processing system and method. In the GIS real estate valuation based data processing system, a front-end data processing device is used for generating an alternative community list according to names of alternative communities and the basic information of the alternative communities and sending a selected alternative community list to a background server, wherein the names of the alternative communities are obtained from a spatial database and the basic information of the alternative communities is obtained from an application database; the background server is used for obtaining the real estate information of selected communities from the application database according to the selected alternative community list and sending the real estate information to the front-end data processing device; the front-end data processing device is also used for generating an alternative real estate list according ...

Germicide and algicide and preparation method thereof

The invention relates to a germicide and algicide and a preparation method thereof, and belongs to the technical field of chemical products. The germicide and algicide comprises the following compositions by weight percentage: 35 to 45 percent of polyquaternary amine, 3 to 5 percent of quick speed penetrant T, 1 to 2 percent of eicosyl dimethyl diammonium chloride surfactant, 6 to 8 percent of isothiazolinone and the balance of deionized water. The germicide and algicide has quick and obvious germicide and algae removing effects, small dosage, no foam, and contribution to industrial production. The preparation method comprises the following steps: (1) adding the polyquaternary amine and the quick speed penetrant T into a reaction kettle and stirring at normal temperature for 8 to 12 minutes; (2) adding the eicosyl dimethyl diammonium chloride surfactant into the reaction kettle, and stirring for 8 to 12 minutes; and (3) finally, adding the isothiazolinone and the deionized water into the ...

Biocide-algaecide for circulating water and preparation method thereof

The invention belongs to the technical field of water treatment chemicals and in particular relates to a biocide-algaecide for circulating water and a preparation method thereof. The biocide-algaecide is prepared from the following materials in percentage by weight: 6%-50% of polyethylether dichloride tetramethyl ethylene diamine, 8%-20% of hydrogen peroxide, 0.3%-2% of fatty alcohol-polyoxyethylene ether, 0.5%-8% of hydroxyethane diphosphonic acid and the balance of deionized water. The preparation method of the biocide-algaecide comprises the following steps: adding deionized water, the polyethylether dichloride tetramethyl ethylene diamine, the fatty alcohol-polyoxyethylene ether, the hydroxyethane diphosphonic acid and the hydrogen peroxide into the same reaction kettle according to component content in sequence, and stirring for 30-60 minutes at a temperature of 10 DEG C-35 DEG C. According to the invention, the special-purpose biocide-algaecide for a water system of circulating water ...

Germicide and algicide and preparation method thereof

The invention relates to a germicide and algicide and a preparation method thereof, and belongs to the technical field of chemical products. The germicide and algicide comprises the following compositions by weight percentage: 35 to 45 percent of polyquaternary amine, 3 to 5 percent of quick speed penetrant T, 1 to 2 percent of eicosyl dimethyl diammonium chloride surfactant, 6 to 8 percent of isothiazolinone and the balance of deionized water. The germicide and algicide has quick and obvious germicide and algae removing effects, small dosage, no foam, and contribution to industrial production. The preparation method comprises the following steps: (1) adding the polyquaternary amine and the quick speed penetrant T into a reaction kettle and stirring at normal temperature for 8 to 12 minutes; (2) adding the eicosyl dimethyl diammonium chloride surfactant into the reaction kettle, and stirring for 8 to 12 minutes; and (3) finally, adding the isothiazolinone and the deionized water into the ...

Data processing system and method for real estate valuation

The invention discloses a data processing system for real estate valuation. The system comprises the following modules: a data initialization module, a receiving module, a valuation module and a returning module, wherein the receiving module is used for obtaining data for real estate valuation from an external system, and screening the data according to predetermined rules to get sample data; the receiving module is used for receiving data of a real estate to be valued from the external system; the valuation module is used for calculating value of the real estate to be valued according to the sample data and the data of the real estate to be valued; and the returning module is used for returning back the calculation result of the valuation module to the external system. Correspondingly, the invention further discloses a data processing method for real estate valuation. In the system and the method provided by the invention, the data for real estate valuation is obtained from the external ...

Flue gas desulfurization synergistic agent and preparation method thereof

The invention belongs to the technical field of flue gas desulfurization and in particular relates to a flue gas desulfurization synergistic agent and a preparation method thereof. The flue gas desulfurization synergistic agent is prepared from the following raw materials in percentage by weight: 10-60 percent of piperazine, 8-20 percent of tributanolamine, 10-20 percent of fatty acid macrogol ester and the balance being deionized water. The preparation method comprises the following steps: sequentially adding the deionized water, piperazine, tributanolamine and fatty acid macrogol ester into a reaction kettle according to the content of the components, and stirring at the temperature of 10 to 35 DEG C for 30-60 minutes, thereby obtaining the synergistic agent. The flue gas desulfurization synergistic agent provided by the invention is low in cost and small in usage amount, the desulfurization efficiency of limestone slurry can be obviously improved, and the operating cost of a limestone-gypsum ...

Special corrosion and scale inhibitor for oilfield reinjection water and preparation method of corrosion and scale inhibitor

The invention belongs to the technical field of water treatment, in particular relates to a special corrosion and scale inhibitor for oil field reinjection water and a preparation method of the corrosion and scale inhibitor. The special corrosion and scale inhibitor for oil field reinjection water is prepared by compounding the following materials in percentage by weight: 5-20 percent of 2-phosphonobutane-1,2,4-tricarboxylic butane, 15-30 percent of polymaleic acid, 10-25 percent of oleic-acid-based bicyclo-imidazoline corrosion inhibitor, 2-5 percent of zinc sulfate, 3-10 percent of sodium sulfite and the balance of deionized water. The preparation method comprises the following steps of: dissolving the zinc sulfate and the sodium sulfite with deionized water in a reactor, wherein the deionized water accounts for 1/5 of the total amount of the deionized water; then adding the 2-phosphonobutane-1,2,4-tricarboxylic butane, the polymaleic acid, the oleic-acid-based bicyclo-imidazoline corrosion ...

System and method for implementing page

Sterilizing stripper dedicated for oilfield injection water and preparation method thereof

The invention belongs to the technical field of water treatment, and particularly relates to a sterilizing stripper dedicated for oilfield injection water and a preparation method thereof. The sterilizing stripper dedicated for the oilfield injection water is characterized by compounding the following materials in percentage by weight: 15 to 35 percent of tetrakis hydroxymetyl phosphonium sulfuric, 10 to 35 percent of dodecyl dimethyl benzyl ammonium chloride, 0.5 to 1.0 percent of sodium dioctylsulfosuccinate, and the balance of deionized water. The preparation method comprises the followingsteps: adding the deionized water into a reaction kettle; and adding the tetrakis hydroxymetyl phosphonium sulfuric, the dodecyl dimethyl benzyl ammonium chloride and the sodium dioctylsulfosuccinate, and stirring for 40 to 50 minutes at normal temperature. By the method, the stripping performance of the sterilizing stripper and the killing performance to bacteria, particularly sulfate reducing bacteria ...

Service data processing method and its system

The invention discloses a method for processing business data, which comprises the following steps: A) prestoring mapping relations between the business data and mission number, process number, meta data; B) obtaining the corresponding mission number and process number and the corresponding meta data of the business data according to the mapping relations and the current processing business data; C) obtaining the mission number of the next mission according to the mission number of the current mission, the process number, the corresponding meta data of the processing business data of the current mission and the process definition data; D) obtaining the corresponding meta data of the next mission according to the stored mapping relations and the mission number of the next mission; E) detecting all the process executive staff according to the corresponding meta data of the next mission, so as to obtain the business process executive who is in line with the business rules of the next mission ...

Method for realizing sludge reduction by microorganisms

The invention belongs to the technical field of sewage treatment and particularly relates to a method for realizing sludge reduction by microorganisms. The method comprises the following steps: domesticating and culturing the sludge in a domesticating tank in which an activator is added to obtain active sludge; and respectively introducing the active sludge into a hydrolytic acidification tank and a pure oxygen aeration tank to perform water treatment. The method disclosed by the invention is low in cost, simple and convenient to operate, easy for filed implementation and good in reduction treatment of the sludge, so that the disposal of the sludge is safe, scientific and environmentally friendly.

Preparation method of efficient flocculant

The invention relates to the technical field of water treatment flocculants, and discloses a preparation method of an efficient flocculant. The polymer organic flocculant is triethanolamine, etidronic acid, JQL-01 chitosan quaternary ammonium salt, ethylene glycol and fatty alcohol-polyoxyethylene ether (JFC), and the inorganic flocculant is a mixture of aluminum sulfate and ferrous sulfate. The flocculant is wide in applicable water quality range, high in efficiency, simple to operate, capable of being directly added by a pump or added after dilution, small in adding amount, free of corrosion to equipment, free of adverse effects on the process, capable of removing COD (chemical oxygen demand) of raw water, resistant to high temperature and acid and alkali, and capable of ensuring that the content of suspended matters in effluent of a clarifier is less than or equal to 50mg/L after 50-500mg/L of the flocculant is added when the pH value is 5.0-9.0, the concentration of suspended matters ...

Reverse osmosis scale inhibition and dispersion agent and preparation method thereof

The invention belongs to the technical field of water treatment, and in particular relates to a reverse osmosis scale inhibition and dispersion agent and a preparation method thereof. The reverse osmosis scale inhibition and dispersion agent is prepared by compounding the following materials in percentage by weight: 10 to 30 percent of 2-phosphono-1,2,4-tricarboxylic acid butane, 10 to 20 percent of amino tris(methylene phosphonic acid), 20 to 40 percent of sulfonate copolymer, 2 to 5 percent of polyaspartic acid and the balance of deionized water. The preparation method comprises the following steps of: adding the deionized water into a reaction kettle, adding the 2-phosphono-1,2,4-tricarboxylic acid butane, the amino tris(methylene phosphonic acid), the sulfonate copolymer and the polyaspartic acid, and stirring at normal temperature for 55 to 65 minutes. The components have high compatibility, complementarity and synergy, the reverse osmosis scale inhibition and dispersion agent replaces ...