483results about How to "Protect environment" patented technology

PCT No. PCT/JP96/01794 Sec. 371 Date Dec. 8, 1997 Sec. 102(e) Date Dec. 8, 1997 PCT Filed Jun. 28, 1996 PCT Pub. No. WO97/01600 PCT Pub. Date Jan. 16, 1997A resin composition comprising a polypropylene resin, a polyphenylene ether resin and a compatibility agent wherein dispersion particles comprising the polyphenylene ether resin (b) are dispersed in a matrix comprising the polypropylene resin (a), a minor diameter of the dispersion particles is 2 mu m or less, and the ratio of major diameter/minor diameter is 1-10.

The invention discloses a treatment method of coking waste water, which comprises a biochemical treatment process of the coking waste water and an advanced treatment process of the coking waste water, wherein the biochemical treatment of the coking waste water adopts an A2O process; and the advanced treatment of the coking waste water adopts a method of internal electrolysis, Fenton oxidation coagulative precipitation and active carbon adsorption. In the method, an anaerobic pool, an anoxic pool and an aerobic pool are used for biochemical treatment; and internal electrolysis, Fenton oxidation coagulative precipitation and active carbon adsorption are used as an advanced section for treating the coking waste water. After the high-concentration coking waste water is treated by the method, the water quality of the effluent water can meet the sewage comprehensive discharge standard requirement that the COD (chemical oxygen demand) is no more than 50 mg/L, the ammonia nitrogen content is no more than 8 mg/L, the volatile phenol content is no more than 0.3 mg/L and the total cyanogen content is no more than 0.2 mg/L. Thus, the invention can protect the ecological environment, and has an important practical meaning for the sustainable development of coking enterprises.

The invention relates to a method for recovering rare earth from waste rare earth luminescent material, comprising the following steps: collection of waste rare earth luminescent material, including quick identification on rare earth fluorescent lamp and dismantling and breaking of the rare earth fluorescent lamp, breaking of a CRT display, and peeling and collection of the waste rare earth luminescent material and a glass matrix; pretreatment on the waste rare earth luminescent material, including demercuration oxidation precipitation, alkali fusion and acidolysis; extraction separation of rare earth elements to obtain rare earth chloride enrichment; extraction purification of the rare earth elements to obtain high-purity rare earth chloride; precipitation separation of the rare earth elements to obtain oxalate rare earth or carbonic acid rare earth precipitates; and sintering of the oxalate rare earth or carbonic acid rare earth precipitates to obtain high-purity-level rare earth oxide. The method realizes separation of rare earth elements including Ce, Eu, Tb and Y from impurity elements including Mg, Ba, Ca and the like and complete separation and recovery of light, mediate and heavy rare earth elements, and purification is carried out to obtain the high-purity rare earth oxide, so that the resources are comprehensively recycled, the process flow is reasonable, economic and practical, the rare earth recovery rate is high and the added value of the product is high.

The invention relates to an object's state or properties being monitored, such as a lithium-iron-phosphate (LFP) or other type of electrical battery containing one or more LFP or other type of electrical battery cell within the battery, and one or more sensors for measuring the state or property of the object, such as the state of charge of the battery cells, by measuring the magnetic susceptibility or other properties, such as the magnetic susceptibility of electrolyte or the electrodes within the battery cells. The state of charge of the battery cells within the battery arc monitored by the one or more sensors, which are coupled to electrical circuits.

Environmental protection methods for power connectors normally suited only for indoor use that allows said connectors to be used in the harsh outdoor environment of powersports vehicles such as motorcycles, all terrain vehicles, snowmobiles and other special purpose vehicles. The resulting environmentally protected low power connectors provide a small, lightweight, easy to mount, low-cost power source for a wide variety of low power accessories.

An integrated approach to construction waste, first the construction waste including demolished the buildings, housing renovation and improvement of road will be sent to the garbage handling sites by the car, and then the construction waste that could be directly in the use of renewable materials, such as metal, wood and plastic materials use artificial methods for separating classified, then supplying company directly for the corresponding treatment. The bulk of concrete waste, scrap brick, marble and other materials, using the large broken hammer or crusher broken to the size that mill can crush, typically less than 100 mm, and then using stone crusher breaking these stones and sand until the construction standard, then grading said mixture into big stones, small stones, coarse sand and fine sand, argillo-arenaceous ground and other breeder material using multi-layered grading sieve. The production water uses activated carbon hyperfiltration cleaning domestic sewage which can be used cyclically, it can save water and can prevent the reemission of sewage water polluting environment.

A portable charging device capable of outputting voltage comprises a charger base, a power supply and a solar panel. The power supply and the solar panel are insertable into the charger base for inputting voltage to the charger base. The charger base is designed for charging rechargeable batteries and supplying various voltages for built-in or external electronic products.

The invention discloses a method for preparing high purity iron ore by reducing and magnetizing red mud in a rotary kiln. The method comprises the following steps of: performing filter pressing and dehydration on red mud to obtain a filter-pressed cake; feeding the filter-pressed cake into a drying drum for drying; smashing into small blocks of less than or equal to 10 millimeters; adding red mud blocks of less than or equal to 10 millimeters into the rotary kiln through a charging machine; heating red mud in the rotary kiln to 700-850 DEG C; introducing coal gas into the kiln head of the rotary kiln to reduce over 95 percent of Fe2O3 in the red mud into Fe3O4; after 75 percent of reduced coal gas passes through the length direction of the rotary kiln, introducing air from the tail of the kiln for burning in the rotary kiln; and continuously heating red mud blocks newly-added into the rotary kiln by using combustion heat. Specific to the aim of preventing oxidation, reduced and magnetized red mud leaving the rotary kiln is directly cooled through water quenching, and is subjected to magnetic separating after cooling, so that high purity iron ore of which the grade is higher than or equal to 63 percent can be obtained. In the method for preparing high purity iron ore from red mud through a Bayer process, the recovering rate of iron elements is over 90 percent, and the high purity iron ore Al2O3 is less than 2.5 percent; and according to the flow, continuous production can be realized, high purity iron ore is produced by treating red mud, and the environment is protected.

The invention relates to a water-based cleaning solution for a glass substrate, which comprises the following components (in percentage by weight): 1-5% of inorganic alkaline substance, 5-15% of anionic surfactant, 5-10% of nonionic surfactant, 0.1-1% of defoaming agent and the balance of water. The invention also provides a method for cleaning a glass substrate by using the cleaning solution. According to the invention, the cleaning solution can effectively remove fingerprints, dust, glass powder, grease and other organic/inorganic solid particles on the surface of a glass substrate, and is free of NP and OP surfactant, thereby effectively protecting the environment. Meanwhile, the glass substrate cleaning method provided by the invention is simple to use, low in cleaning solution consumption and good in cleaning effect.

The invention relates to a free piston linear generator based on waste heat utilization and belongs to the technical field of energy power. The free piston linear generator specifically comprises a free piston combustion engine, the linear generator and a waste gas expansion cylinder. The free piston combustion engine comprises an oil atomizer, a gas inlet, a gas outlet, a piston and a combustion engine cylinder. The linear generator comprises a motor stator and a motor rotor. A waste gas utilizing assembly comprises a gas guiding pipe, a gas inlet door, a gas outlet door, a reset piston, a reset cylinder and a water sprayer. A working process includes a starting process and a steady operation process. In a cold start-up process, a linear engine works in a motor mode and drives a device to be started and work. In the steady operation process, the linear generator works in a generator mode, the combustion engine works to drive the linear generator to do work and generate power, then a moving assembly returns to a top dead center through a waste gas waste heat utilization method, and next circulation movement is conducted. The free piston linear generator has the advantages of being capable of protecting environment and saving energy.

The invention discloses a novel non-halogen flameproof polypropylene material comprising the constituents (by weight ratio) of, homopolymerized polypropylene powdered material 40-80, ammonium polyphosphate 2-50, melamine phosphates 10-40, pentaerythritol 1-10, drip-proof agent 0.1-2, anti-oxidant 0.1-0.3, coupling agent 0.1-0.3.

The invention provides a chromic slag aerated brick. The chromic slag aerated brick is prepared from the following raw materials: 20 to 30 weight parts of chromic slag, 25 to 30 weight parts of coal ash, 5 to 10 weight parts of cement, 4 to 6 weight parts of modified attapulgite, 5 to 10 weight parts of barium carbonate slag, 5 to 10 weight parts of ceramics factory waste, 5 to 10 weight parts of calcium carbonate powder, 10 to 15 weight parts of lime, 0.1 to 0.3 weight percent of triethanolamine lime, 4 to 5 weight parts of gypsum, 0.02 to 0.08 weight part of aluminum powder, oxyparaffin soap which is 3 to 5 percent based on the weight of the aluminum powder, 0.01 to 0.02 weight part of calcium bicarbonate, 2 to 3 weight parts of volcanic rock, 1 to 2 weight parts of lignocellulose, 0.3 to 0.5 weight part of sodium silicate, 0.03 to 0.05 weight part of borax, 1 to 2 weight parts of sodium hexametaphosphate, 1 to 2 weight parts of hydroxypropyl methyl cellulose sodium and 1 to 2 weight parts of superfine polyvinyl alcohol. Chromic slag is added into the raw materials of the aerated brick, other conventional aids and modified nano aids are added, and the aerated brick processed by an appropriate process is low in cost and high in performance, achieves the cyclic economy effect of changing waste into wealth, and reduces pollution; and the processed aerated brick has the characteristics of light volume weight, high thermal insulation performance, good sound insulation effect and high intensity and can be used for a non-load bearing wall body or a load bearing wall body.

The invention discloses a preparation method for an aluminum titanate ceramic. According to the invention, industrial alumina and titanium oxide are used as basic raw materials, one or more raw materials selected from the group consisting of MgO, Fe2O3, SiO2, ZrSiO4, mullite and the like are used stabilizing agents, and an aqueous polyvinyl alcohol solution is used as a binder; a mixture of the above-mentioned ceramic raw materials is uniformly mixed through ball milling and is then dried to remove moisture, a desired ceramic body is compacted through isostatic pressing, and binder removal and high temperature sintering are successively carried out so as to obtain the ceramic. The preparation method provided by the invention omits the traditional procedure of preparation of aluminum titanate powder before preparation of an aluminum titanate product, overcomes the problems of a long cycle, high cost, instable quality and the like of traditional processes and has the advantages of conservation of processing cost, environmental protection, a short production period, good thermal shock resistance of the product and suitability for industrial mass low-cost production.

The invention relates to a building, in particular to a temporary building namely an assembled type movable plank house capable of being used repeatedly, which belongs to the technical field of construction engineering. The plank house consists of a foundation, wall bodies, a roof, a door and a window, wherein all the components are prefabricated by a factory and are assembled together by using prestressed reinforcing bars and bolts on the spot. The foundation is fabricated by using reinforced concrete and comprises an L-type basic unit, a T-type basic unit and an I-type basic unit, single-bay or multi-bay strip foundations with different sizes can be assembled by using the prestressed reinforcing bars as required, the cross section of the foundations is U-shaped, and the middle parts of the foundations are provided with grooves for embedding and fixing the wall bodies on the upper parts. The wall bodies consist of wall boards and end posts and are assembled into a whole body by using the prestressed reinforcing bars, holes are formed on walls in the front and back longitudinal directions for embedding the door and the window, and the lower parts of the wall bodies are inserted into the grooves of the foundations and are fixed by using wedge-shaped sealing strips. The roof consists of roof boards which are assembled into a whole body by using the prestressed reinforcing bars, and is connected with the wall bodies through bolts which are used for connecting channel steel and roof battens.

The invention discloses a method for recovering protein and lactin from waste water of dairy product, which comprises (1), first removing the suspension in dairy product waste water to obtain a filtrate, (2), using a low-pressure pump to feed the filtrate into a ultra-filter system to recover protein in the waste water to obtain ultra-filter filtrate, (3), feeding the ultra-filter filtrate via a high-pressure pump into a nano-filtration system to cover lactin, while the nano-filtration permeate liquid reaches regenerated water quality standard. The invention has the advantages that the invention provides a technique for recovering protein and lactin from waste water of dairy product, and realizes the generation of dairy product waste water. The invention has simple process and easy operation, which is not affected by temperature and workshop time, with low operation cost and industrialization suitability. The invention can recover at least 98% protein and 100% lactin in dairy product waste water, which can regenerate dairy product waste water.

The invention relates to the technical field of active calcium oxide, desulfurizing agents, calcium carbide raw materials and preparation methods of active calcium oxide, in particular to active calcium oxide with calcium carbide dreg as a raw material, a desulfurizing agent, a calcium carbide raw material and a preparation method of active calcium oxide. The active calcium oxide with the calcium carbide dreg as the raw material is obtained through the following steps: firstly, the calcium carbide dreg is subjected to filter pressing, and primary wet dreg is obtained. According to the active calcium oxide with the calcium carbide dreg as the raw material, the desulfurizing agent, the calcium carbide raw material and the preparation method of active calcium oxide, the calcium carbide dreg is turned into wealth, accordingly, the problem of adverse influence on the environment due to stacking of a large amount of calcium carbide dreg is solved, and the environment is effectively protected; besides, utilization of mineral resources such as limestone is reduced, the mineral resources such as the limestone are saved, and the idea of harmonious development of economic development and environment protection is realized; meanwhile, according to the active calcium oxide with the calcium carbide dreg as the raw material, the desulfurizing agent, the calcium carbide raw material and the preparation method of active calcium oxide, the purity of the desulfurizing agent can be improved; moreover, the cost of the calcium carbide raw material for producing calcium carbide is lower, and industrial application prospect is realized.

The process of preparing 4-nitro phthalic acid from the reaction mother liquor of nitrating phthalic anhydride to prepare 3-nitro phthalic acid consists of the following steps: 1. adding the mother liquor into 1.5-3.5 times of cold water, letting stand over night and filtering to operate coarse 4-nitro phthalic acid product; 2. dissolving the coarse product in 2.5-3.5 times of water and stirring at normal temperature for completely dissolving; 3. adding nitric acid in the amount of 0.08-0.12 time the solution into the solution, extracting 4-nitro phthalic acid with ethyl ether to obtain ethyl ether extract liquid; and 4. evaporating the ethyl ether extract liquid to eliminate ethyl ether, and cooling to crystallize and to obtain 4-nitro phthalic acid. The present invention has high purity and high yield of 4-nitro phthalic acid.

The invention discloses a sorting and processing device for kitchen waste. After the kitchen waste enters the kitchen waste processor for treatment, it is pumped into a solid-liquid separator for solid-liquid separation; the solid waste is put into a solid tank and can be recycled. Made into organic fertilizers, etc., the liquid enters the oil-water separator, enters the oil-water separation, the oil flows into the oil tank, and the water can be discharged or pumped back into the kitchen waste processor. A PLC controller is installed outside the device to control the process of each link. Operation and various data of the three sensors. The invention can carry out biological cycle treatment on various kitchen wastes, realize harmless and resource recycling utilization of a large amount of kitchen wastes, and realize the recyclable industrialization development of new energy sources. The whole system realizes turning waste into wealth and is conducive to protecting the environment. It is an ideal set of environmental protection cleaning tools for kitchen waste.

The invention discloses a natural detergent and a preparation method and application thereof. The soapberry natural detergent comprises the following components in percentage by weight: 4%-8% soapberry extractives, 2%-5.5% of tea saponin, 1%-2.8% of glycerol, 2%-7.8% of sodium citrate, 1.2%-3.6% of sodium carbonate, 1.5%-3.6% of carboxymethyl cellulose and the balance of water. The soapberry natural detergent disclosed by the invention has the advantages of no stimulation, no toxicity, rapidness and thoroughness in biodegradation, environment protection, sustainable development and the like by adopting the soapberry and the tea saponin as main components; raw materials, namely the soapberry and the tea saponin are convenient and easy to obtain; the soapberry natural detergent is rich and exquisite in foam, has the effects of bacteria growth inhibition, disinfection and the like, achieves a submissive effect by being matched with the glycerol, is regulated in pH value by being matched with the sodium carbonate, further exerts the detersive synergistic effect of the soapberry extractives and the tea saponin, is outstandingly enhanced in detersive capacity and can be widely applied to oil stain washing or fabric washing.

The invention relates to a street lamp device with photovoltaic power generation as a power supply source and used for collecting fine particles in air, and belongs to the technical field of environment protection application. A solar cell generates currents under irradiation of sunshine, and the currents are input into a photovoltaic controller through a conductive line for adjustment and then input into an energy storage battery for storing. When particle collection is needed, the currents output from the energy storage battery are input into an absorption control device through a power distribution device, and the absorption control device supplies power to an air pump and a current control device. When the air pump starts to work, external air is absorbed into an electrostatic adsorption device, meanwhile, the current control device changes voltage of the input currents according to set requirements and then the currents are transmitted to the electrostatic adsorption device, air entering the electrostatic adsorption is ionized in an ionization chamber, the particles in the air are charged, the charged particles move to an absorption chamber under the action of electric field force and air flow formed in the electrostatic adsorption device and are attached to absorption poles in the absorption chamber due to discharging, and the purified air is exhausted from an air outlet of a street lamp rod along with the air flow.

The invention relates to a manufacturing method of a once-formed graphite crucible. The manufacturing method is characterized by comprising the following steps: (1) batching: preparing the following components in percentage by mass: 70%-90% grinding powder prepared by grinding graphite scrap and 10%-30% of medium temperature coal pitch; (2) mixing kneading; (3) compression; (4) roasting; and (5) processing. The major material adopted in the manufacturing method is the graphite scrap which is waste obtained during the production of an electrode, so that the waste reutilization is realized, the average cost of each same-scale product is lowered by 800-1000 yuan, the energy source is saved, the environment is protected, and meanwhile, the manufacturing cost of the graphite crucible is lowered. Compared with a graphite crucible produced from a traditional graphite electrode, two procedures of impregnation and graphitization in which the environmental pollution may be caused and the energy sources are greatly consumed are reduced; and compared with a graphite electrode crucible, the average production cycle is shortened by 30-40 days, the energy conservation and emission reduction are achieved, and the production efficiency is greatly improved. According to the graphite crucible produced by virtue of the technical scheme, the longitudinal layout of aggregate particles is avoided, the structure of a product is isotropic, an anti-seepage effect is achieved, and the smelting use requirements of heavy and noble metals are well met.

The present invention discloses one kind of polishing tool of glass fiber leftover and its material recipe and making process. The recipe consists of glass fiber 20-50 wt%, abrasive 20-50 wt%, and phenolic resin 10-30 wt%. The making process includes the following steps: screening glass fiber leftover to eliminate impurity, mixing abrasive and partial phenolic resin, mixing the mixed abrasive and partial phenolic resin with the rest phenolic resin mechanically to form agglomerate, weighing and pressing to form inside some mold, cooling and demolding, cutting and trimming. The polishing tool of waste glass fiber may be used in polishing field with oil stain and water stain and may result in unforeseen effect.

The invention discloses a waste gas recovery disposal method of dry synthetic leather DMF, which comprises the following steps: sending the DMF waste gas in the feeding tower with at least one grade of counter current absorption structure and one grade of fog-receiving structure through variable-frequency energy-saving fan; draining the qualified waste gas from one side of feeding tower and DMF solution from the other side. The feeding tower is composed of two-grade water counter current absorption structure and two-grade fog-receiving structure. The DMF waste gas is absorbed by one-grade spray and sent to two-grade water counter current absorption after cooling, which is drained when the gas reaches the standard. The invention displays simple technological flow path, convenient usage and stable operation, which can realize complete-automatic artificial intelligent control to improve the economical benefit.

An article comprising a silicon-containing substrate, a steam-resistant barrier coating overlaying the substrate, wherein the steam-resistant barrier coating comprises an outer barrier layer consisting essentially of an alkaline earth aluminate/aluminosilicate, and a corrosion resistant metal silicate protective layer overlaying and adjacent to the outer barrier layer. A process is also provided for forming on the outer barrier layer the corrosion resistant metal silicate protective layer.

The invention relates to a process for engraving a three-dimensional large-sized copper pattern roller by using laser, which comprises the following technological steps of: (A), designing a printed pattern; (B), processing the surface; (C), engraving; (D), detecting; (E), removing pigment on the surface; (F), polishing the surface; and (G), electroplating. The invention has the following advantages that: (1) the environment is protected, and the discharge of the waste liquid of chemicals does not exist in the entire engraving process; (2) the engraving accuracy is high, and the engraving quality is good; and (3) the labor strength is low, the efficiency is high, and time, labour and force are saved.

The invention discloses a silent diesel generator set silencing mechanism, which comprises a generator set body, wherein the surface of the generator set body is sleeved with a silencing mechanism; the bottom of the generator set body is fixedly connected with a positioning block; the bottom of the positioning block is provided with a silencing damping box; the bottom of the positioning block penetrates through the siliencing damping box and extends to the interior of the siliencing damping box so as to connect with a damping plate fixedly; and the bottom of the damping plate is fixedly connected with a lifting connecting block. Through the cooperation of the generator set body, the silencing mechanism, the silencing plate, a silencing filler, a limiting bolt, the positioning block, the silencing damping box, the silencing damping plate, the lifting connecting block, a first connecting rod, a connecting block, a first damping spring, a limiting block, a second damping spring, a cabinetdoor and a handle, the generator set body vibrates and drives to compress or extend the first damping spring and the second damping spring; and the vibration of the generator set body can be slown down through the first damping spring and the second damping spring.

The invention discloses a coal ash catalyst and a preparing method and application thereof. According to the coal ash catalyst and the preparing method and application thereof, environment-friendly Pt, Cu, Rh, Ni and Ru metal is used as the catalyst activity centers of the catalyst, solid waste coal ash obtained before treatment or after treatment serves as carriers, the catalyst activity centers are fixed to the carriers in a loaded mode, and the weight percent of the catalyst activity centers is 0.5% to 5%. The preparing method includes the steps that 1, the metal activity centers are loaded on the coal ash with a soaking method; 2, the powder prepared in the step 1 is dried and then reduced through hydrogen, and the coal ash catalyst is obtained. The coal ash catalyst is used for preparing pentanediol in the mode that hydrogen is added into furfural. The catalyst is environmentally friendly, waste resources are used, the environment is protected, alkaline sites of the simply-treated coal ash are greatly increased, and the reaction that hydrogen is added into furfural to prepare pentanediol is facilitated.

The invention provides an intelligent rainwater car washing system which is characterized by comprising a rainwater collection unit (1), a rainwater purification unit (2), a clean water pond unit (3), a car washing room unit (4), a waste water reusing processing unit (5) and an intelligent control unit (6), wherein a water outlet pipe (1-3) of the rainwater collection unit (1) is connected with a water inlet pipe (2-1) of the rainwater purification unit (2), a water inlet pipe (2-5) of the rainwater purification unit (2) is connected with a water inlet pipe (3-1) of the clean water pond unit (3), a water supplying pipe (3-3) of the clean water pond unit (3) is connected with a water inlet pipe (4-4) of the car washing room unit (4), and car-washing waste water of the car washing room unit (4) flows into a waste water collection pipe (5-1) of the waste water reusing processing unit (5). On-line motoring data and sending instructions of other units are collected by the intelligent control unit (6) to control operation of all unit equipment. The intelligent rainwater car washing system has the advantages of opening up new water resources, saving fresh water resources, and being environment-friendly, and has good society benefits and environment benefits.

The method for preparing benzimidazole and its derivative is characterized by that it uses o-phenylenediamine and its derivative and organic carboxylic acid as raw material, uses the alcohol substances of 1,2-propanediol, etc. as solvent of reaction system and cyclization catalyst, under the condition of a certain temp. makes them produce reaction to prepare the invented product. Said method is applicable to general organic carboxylic acid, and the 1,2-propanediol and other alcohol substances can be recovered and circularly used.

The invention discloses a preparation process for a red mud-containing high-intensity aerated brick. The process comprises the following steps of: weighing carbide slag and gypsum in a weight ratio; adding an appropriate amount of water, stirring and mixing at the speed of 700 to 1,000rpm for 2 to 3 minutes, and grinding to obtain carbide slag and gypsum mixed slurry; adding red mud-containing modified nano powder and other residual raw materials which are required by preparing the aerated brick in a weight ratio, stirring and mixing at the speed of 2,000 to 2,800rpm for 3 to 5 minutes; pouring the obtained mixed slurry into a mould, and forming; precuring at the temperature of between 40 and 50 DEG C for 1 to 3 hours; demoulding; lifting to a cutting part and cutting to obtain a brick blank; and placing the brick blank into a reaction kettle, and performing autoclaved curing, and putting in storage. The raw materials are mixed according to the optimized formula; and the intensity and the freezing resistance of the aerated brick are improved obviously.