35 results about "Effluent" patented technology

The invention discloses a mobile cleaning and disinfection device for medical instruments, which comprises a body, a water storage tank and a cleaning bucket; a partition is fixedly installed inside the body, and a hollow rotating shaft is installed at the middle position of the partition; the cleaning bucket fixedly installed on the upper side of the hollow rotating shaft; the water storage tank is fixedly installed on the bottom of the body, and a filter device is installed inside the water storage tank; a solenoid valve is also installed on the hollow rotating shaft; the outer side of the body is also fixedly installed There is a water pump, the water outlet of the water pump is connected with a water outlet pipe, and the other end of the water outlet pipe is located on the upper side of the cleaning bucket. The present invention fully cleans the medical instruments by providing a rotating cleaning bucket and a cleaning brush inside the cleaning bucket; it is also equipped with casters, screws and shock-absorbing foot pads, which are convenient to move and can be fixed; it is also equipped with a water pump And filtering device, can recycle waste water.

A method of processing a return oil-based drilling fluid includes centrifuging a primarily fluids phase at a first speed and separating the primarily fluids phase into a first effluent and a first residual, centrifuging the first effluent at a second speed and separating the first effluent into a second effluent and a second residual, and centrifuging the second effluent at a third speed and separating the second effluent into a third effluent and a third residual. A surfactant, a polymer, combinations of surfactant(s) and polymer(s) and/or a wash water may be added to one or more of the return oil-based drilling fluid, the primarily fluids phase, the primarily solids phase, the first effluent, the second effluent, and the third effluent.

The invention relates to a new process for preparing powder by dry method of ceramic tiles, which is characterized by comprising the following steps: weighing raw materials, mixing the raw materials, fine crushing after mixing the raw materials; humidifying and pelleting the fine crushed raw materials; drying after humidifying and pelleting; feeding into a storage bin for staling after drying; and reserving after staling. The new process of the invention greatly reduces energy consumption, lowers production cost, does not have fueled wastes and dust effluents, reduces pollution on the environment, improves product quality in the production process, and increases excellent rate of the products.

The invention relates to the technical field of ferment, especifically relates to a method for procuding aspergillus oryzae of xylanase capable of efficiently degrading feed substrate and xylanase. According to the strain aspergillus oryzae Y-1 with a preservation number CGMCC NO.6842 of xylanase capable of efficiently degrading feed substrate, the xylanase produced by the aspergillus oryzae Y-1 provided by the invention is capable of efficiently degrading feed and evidently improving the reproducing performance of animals, waste water and waste residue are not produced in the process of production, and no secondary pollution of the environment is caused. Accordingly the device for producing xylanase is simple, the producing cost is low, the xylanase can be used as feed additive of birds, livestocks and aquaculture animals and has wide a application range.

The invention discloses a kitchen effluent treatment method which comprises the following steps: 1, firstly, immediately filtering kitchen effluent to separate solid waste from a liquid; 2, for the separated liquid, realizing separation of oil and water according to the difference of specific weights of oil and water; 3, disinfecting the waste water after the oil and water are separated, and then performing secondary filtration; 4, further deeply treating the sewage subjected to the secondary filtration and then discharging or recycling when the filtered sewage reaches the standard. The kitchen effluent treatment device has a structure that a solid and liquid separation chamber and an oil storage chamber are arranged in a sewage tank, a solid and liquid separation filtering box is arranged in the solid and liquid separation chamber and connected with a sewage pipe, a water outlet is formed in the lower part of the solid and liquid separation chamber and is communicated with a water storage chamber arranged at the lower part of the oil storage chamber, an oil overflow hole is formed in the upper part of the solid and liquid separation chamber, a filtrate layer is arranged between the oil storage chamber and the water storage chamber, and sewage of the water storage chamber enters a filtering pipe. According to the kitchen effluent treatment method and the kitchen effluent treatment device, kitchen effluent is dispersed and ecologically treated from the source, and thus the problem of new pollution caused by sludge and sediments in a conventional treatment method is avoided.

The invention discloses a hydrocracking method for processing a low-sulfur raw material. The method comprises the steps of: hydroprocessing a high-sulfur raw material, and performing gas-liquid separation on a reaction effluent to obtain sulfur-containing hydrogen-enriched gas; hydrocracking low-sulfur raw oil, and performing gas-liquid separation on a reaction effluent to obtain a low-sulfur hydrogen-enriched gas; and mixing the sulfur-containing hydrogen-enriched gas and the low-sulfur hydrogen-enriched gas, selectively performing hydrogen sulfide removal treatment on the gas mixture, and circulating the treated gas mixture to a reactor inlet. According to the invention, two paths of hydrogen-enriched gas of the hydroprocessing process and the hydrocracking process are effectively combined, and the sulfur-containing hydrogen-enriched gas subjected to hydroprocessing is fully utilized to replenish sulfur for a low-sulfur raw material hydrocracking device, so that the problem of sulfur loss of the catalyst during long-term operation of the low-sulfur hydrocracking device is effectively solved. The hydrocracking method disclosed by the invention has the advantages of simplified process flow, low operation cost, low total investment and the like.

The invention provides a layered material for degrading iodine and the method for treating iodine-containing water, belonging to the water treatment technique. The inventive layered material is the layered bi-hydroxy composite metallic oxide LDHs and its sintered product CLDH, whose chemical formula is [M2+1-xM3+x (OH) 2] x+ (An-) x/2*yH2O). The invention has following advantages that: it can be directly used the LDHs into the treatment of industry acid iodine-containing waster water, or using its sintered product CLDH into the treatment of iodine-containing waste water, while said material can process the high iodine-containing drinking water to reach the standard iodine content of 10-125 ª

The method of further recovering L-tyrosine from the effluent produced by L-cystine is to adjust the collected effluent produced by protein hydrolysis to pH = 2-3, and make it flow through Treat it as a granular activated carbon column with pH = 3-4, elute the activated carbon column with 3-7% NaOH solution, neutralize the eluent with concentrated hydrochloric acid to pH = 5.5-8.5, and separate the crude L-tyrosine. It is decolorized and refined to obtain the finished product of L-tyrosine. The invention solves the problems of low yield and low purity of the L-tyrosine product in the existing production method.

The invention relates to a method for treating dinitro-diazophenol (DDNP) primary explosive production wastewater, belonging to the technical field of primary explosive sewage environmental-friendly treatment. The method is characterized by comprising the following steps: 1), carrying out classification: carrying out separation treatment on wastewater generated in the DDNP primary explosive production process according to the concentrations of poisonous compounds to obtain high-concentration wastewater and low-concentration wastewater, and respectively storing the high-concentration wastewater and the low-concentration wastewater; 2) carrying out high-concentration wastewater treatment: spraying the high-concentration wastewater on solid fuel, carrying out evaporation concentration, placing the solid fuel with less water after evaporation into a boiler, and incinerating the solid fuel with less water; 3) carrying out low-concentration wastewater treatment: introducing the low-concentration wastewater into a settling pond, settling the low-concentration wastewater, and utilizing the boiler to evaporate the supernatant liquor; and 4), periodically fishing out and cleaning the settling pond, blending solid precipitates in the settling pond into the solid fuel, and incinerating the solid precipitates and the solid fuel together. The method of the invention has the advantages that the wastewater treatment is safe and environmental-friendly, zero discharge of the DDNP primary explosive sewage is achieved, energy resources are saved, and the service life of production equipment is not influenced.

The invention relates to a culture waste water energy self circulation disposal system and a method thereof. The system comprises a filter grid, a grit basin, a solid and liquid separation pool, a large-size methane anaerobic tank, an ammonia nitrogen air stripping tower, a dual section A-O reaction pool, a sludge pool, a methane purifier and a methane power generator; the filter grid, the grit basin, the solid and liquid separation pool, the large-size methane anaerobic tank, the ammonia nitrogen air stripping tower and the dual section A-O reaction pool are connected in sequence; the dual section A-O reaction pool is connected with the sludge pool; the large-size methane anaerobic pool is connected with the methane purifier connected with the methane power generator. The disposal system and method have the following advantages that 1, harmful pollutants such as COD and ammonia nitrogen in culture waste water can be effectively removed, so the emitted waste water achieves a national standard, and environment pollution is relieved; 2, a disposal process realizes energy self circulation, and a generated fertilizer can be used for agricultural planting and cost reduction.

A domestic multifunctional automatic milk tea machine device comprises an outer shell, and a dosing and feeding system, a control system, a material storage system, a temperature adjusting device, a stirrer, a water temperature adjusting system, a tea water separation treatment device, a total stirring device and a waste water cylinder which are arranged in the outer shell, the material storage system comprises a first conical storage tank body, a second conical storage tank body, a third conical storage tank body, a fourth conical storage tank body and a fifth conical storage tank body whichare sequentially arranged at intervals. The device has complete functions, can process milk tea with different tastes, and can also be used for processing tea drinks with different tastes.

The invention discloses an improved coconut shell and a method thereby for reducing vanadium in a water body, and belongs to the field of metallurgy. The invention aims to solve the technical problemthat the improved coconut shell and the method thereof for reducing the vanadium in the water body are provided. The modified coconut shell is prepared in the following steps: the coconut shell is washed, dried and smashed to obtain a powdery material; the powdery material is mixed with a citric acid solution and absolute ethyl alcohol and is subjected to oscillation and suction filtration to obtain a filter cake; the filter cake is washed and dried to obtain the modified coconut shell. The method for reducing the vanadium in the water body by the above coconut shell comprises the following steps: mixing the modified coconut shell and vanadium containing wastewater; carrying out oscillation and suction filtration to obtain purified solution. According to the method, the improved coconut shell is used for reducing the vanadium in the water body, wastes are reused, the vanadium in wastewater can be effectively recovered and utilized, the influence of the vanadium on environment is lightened, and the method has an obvious social benefit.

The invention discloses a highland barley biological control disease-resistant and growth promoting method. The highland barley biological control disease-resistant and growth promoting method comprises the steps that bacillus subtilis are made into high density bacterial suspension with the density ranging from 109cfu/mLto 1010cfu/mL; healthy highland barley straws are cut into small sections to compost, the bacillus subtilis high density bacterial suspension is sprayed in the composting process, a biological fertilizer capable of effectively restraining and killing highland barley pathology funguses is obtained after fermentation and is used on highland barley biological control disease-resistant and growth promotion. According to the highland barley biological control disease-resistant and growth promoting method, the bacillus subtilis producing beta dextranase are plant probiotics with a disease-resistant and growth promoting function, the biological fertilizer is added into the compost to effectively strengthening the biological control function on highland barley disease funguses, restraining and killing effects on sheath rot pathogenic bacteria are showed, and the highland barley yield is improved. According to the highland barley biological control disease-resistant and growth promoting method, treatment of the composting process is easy, no waste water is discharged, the investment is small, the energy consumption is low, the operation is easy, industrialized mass production is easy to achieve, the economic benefit is good, and the application prospect is wide.

Methods for extracting metalloid and metal species from a solid or liquid material by exposing the material to a fluid solvent, particularly supercritical CO2, and a chelating agent are described. The chelating agent forms a chelate with the species, the chelate being soluble in the fluid to allow removal of the species from the material. In preferred embodiments the extraction solvent is supercritical CO2 and the chelating agent comprises an organophosphorous chelating agent, particularly sulfur-containing organophosphorous chelating agents, including mixtures of chelating agents. Examples of chelating agents include monothiophosphinic acid, di-thiophosphinic acid, phosphine sulfite, phosphorothioic acid, and mixtures thereof. The method provides an environmentally benign process for removing metal and metalloids from industrial waste solutions, particularly acidic solutions. Both the chelate and the supercritical fluid can be regenerated and the contaminant species recovered to provide an economic, efficient process.

The invention discloses a device for treating high-concentration ammonia nitrogen in coking wastewater by using a surfactant. The device comprises a device main body (1), a water inlet (2) and a water outlet (3), wherein the water inlet (2) and the water outlet (3) are formed in the left and right sides of the device main body (1) respectively; the interior of the device main body (1) is divided into five connected reaction zones (4 to 8) from top to bottom. When the device is used for treating the high-concentration ammonia nitrogen in the coking wastewater, the generation of ammonia gas is avoided, so that secondary pollution is avoided, and effluent can reach a national primary standard. In addition, the device also has the advantages of simple structure, stable effect, ammonia nitrogen removal rate of more than 99.9 percent and the like, and is convenient to operate.

The invention discloses a preparation method of a pyrite tailing ceramsite proppant. Pyrite tailings are subjected to calcination pretreatment and petroleum drilling effluent steeping, the composition and content of raw materials from which ceramsite is prepared are optimized, the physical and chemical performance of the ceramsite is adjusted, and then the pyrite tailing ceramsite proppant with high pressure resistance and low density is prepared.

The invention belongs to the technical field of sewage treatment, and in particular to a method for improving the removal effect of nitrogen pollutants in sewage. Efficient nitrogen degrading bacteria are prepared by performing enlarged cultivation on thauera sp. FDN-01. When the nitrogen-containing pollutants in the sewage are degraded, the efficient degrading bacteria are added into an anoxic unit, and aerobic activated sludge which is domesticated successfully is added into an aerobic unit. According to the method provided by the invention, under the condition of simulating coexistence of high-concentration nitrate nitrogen, nitrite nitrogen and ammonia nitrogen, the quality of effluent is far higher than first-level A effluent standard of 'Discharge standard of pollutants for municipal sewage treatment plant' (GB18918-2002) (the total nitrogen is less than or equal to 15 mg/L, and ammonia nitrogen is less than or equal to 5 mg/L), and the removal rate of the total nitrogen in the sewage is high. By the method, secondary pollution to the environment is avoided and the treatment cost is low.

The invention discloses an ultrahigh-filtering-speed IV-class water upgrading standard transformation nitrogen and phosphorus removal device and a treatment process thereof. The device is formed by sequentially connecting an inner water inlet pore plate grid, an ultrahigh-filtering-speed nitrogen removal biological filter, an ultrahigh-filtering-speed dense medium loading efficient flocculation clarification tank and a clean water tank in series. According to the invention, the problem that a filter head of a traditional aerobic nitrification biological filter is easy to block due to fibrous impurities is solved, the problems of blockage, low filtering speed, high treatment load and low treatment load of an upward flow denitrification biological filter are solved, and the treatment effectof the dense medium and dense medium loaded efficient flocculation clarification tank is obviously superior to that of a traditional combined treatment device and process; the traditional process problem of efficient nitrogen and phosphorus removal is solved, the sewage containing high nitrate and inorganic phosphate can be deeply upgraded, the effluent can reach the IV-class water standard, and the method has great popularization and application value for sewage upgrading.

The invention discloses a filtering and purifying device for chemical wastewater treatment. The filtering and purifying device mainly comprises an outer frame, a two-way pump, a side shell, a motor, afilter block, a stirring frame, filler frames and a material pipe. A first inner shell is fixedly installed on the upper portion of the inner side of the outer frame, bilaterally-symmetrical bottom frames are fixedly installed on the lower portion of the inner side of the first inner shell, the filler frames are inserted into the top ends of the bottom frames, material pipes are inserted into themiddles of the filler frames, limiting sleeves are fixedly installed in the middle of the outer sides of the material pipes, and connecting plates are fixedly installed on the outer walls of the limiting sleeves. The filtering and purifying device is reasonable in structural design, circularly flowing water is in full contact with the filler, impurities carried in wastewater are prevented from being accumulated on the surface of the filler, the reaction efficiency is guaranteed, and the combined filler frames are very convenient and rapid to lift, lower and replace the internal filler; and electrolysis and sedimentation are separately carried out, flocculate is prevented from being accumulated on the surface of the filler, the later purification degree and speed are improved, the mixing uniformity degree is improved through the stirring frame, and the reaction speed is high.

The invention discloses a sewage recycling and reusing apparatus, comprising a first sewage outlet, a second sewage outlet, a third sewage outlet, conveying pipes, a reservoir and a pumping plant, wherein the first sewage outlet, the second sewage outlet and the third sewage outlet are connected with the reservoir through the conveying pipes, the pumping plant is connected with the reservoir through one conveying pipe, one end of the pumping plant is provided with a closestool water tank or a flower bed water tank, a filtering membrane is arranged on the reservoir, and the bottom of the filtering membrane is provided with an active carbon layer. According to the invention, domestic sewage is collected and concentrated in the reservoir and is then discharged through the reservoir, so discharge of pollutants to the environment is reduced, environmental degradation is alleviated, benefits are brought to our posterity, and the sewage recycling and reusing apparatus is energy saving and environment-friendly and produces no pollution.

The invention discloses a waste water valve, and a reverse osmosis water purifier. The waste water valve comprises a water inlet end and two water outlet ends; the water inlet end is connected with awaste water outlet end of the reverse osmosis water purifier; one of the water outlet ends is connected with a raw water inlet end of the reverse osmosis water purifier; and the other water outlet endis designed to be unoccupied. The structure of the reverse osmosis water purifier is simplified, installation is convenient, and space utilization rate is high.

The invention relates to a dishwasher sink drainage method, a drainage structure and a dishwasher. The drainage structure comprises a sink; the sink communicates with a motor water outlet, a drainagepump water outlet and a drainage valve water outlet; the drainage pump water outlet is formed in a side wall of the sink and is connected to a drainage pump; the drainage valve water outlet is formedin the bottom of the sink, and is controlled to be opened or closed by a drainage valve; the drainage valve water outlet communicates with a drainage pipe. The drainage pump water outlet and the drainage valve water outlet are formed in the sink, and most of the water and residue are discharged from the drainage pump water outlet, and the residual waste water in the sink is discharged from the drainage valve water outlet, the water discharge efficiency is improved, the noise index of the whole dishwasher is reduced, there is on the residual water in the sink after drainage, the problem of residual water can be completely solved.

The invention discloses an automatic detection and control system for a spiral symmetrical flow anaerobic reactor. The automatic detection and control system comprises a water inlet pump of a water supply system, an electric water supply regulating valve of the water supply system, an industrial camera, a driver, a gas flow control valve, four temperature sensors, a water supply electric regulating valve of a reactor, a water inlet pump of the reactor, two circulating pumps, five electric regulating valves, a pH value sensor, an electric draining valve of the reactor and a controller controlling all said components. The controller transmits signals to a remote control center through a GPRS wireless transmission module and a base station. pH value is accurately detected and monitored in a reactor reaction system, and remote accurate control is carried out. Overflow of waste water or microbe through pipes in the reactor reaction system can be prevented, and liquid level of the water supply system of the reactor can be effective controlled.