650results about How to "Good governance" patented technology

The invention discloses ion mineralization stabilizer for treating soil with heavy metal pollution and an application method thereof. The ion mineralization stabilizer comprises, by weight percent, 5-30% of sulfur-based compound, 10-50% of phosphor-based compound, 10-50% of calcium-based compound, and 10-30% of silicon-based compound. The materials are respectively ground into powders with particle size not less than 200 meshes, and the powders are proportionally mixed well. The application method of the ion mineralization stabilizer for treating soil with heavy metal pollution includes: detecting arsenic content and leaching toxicity of the soil to be treated, placing the ion mineralization stabilizers in different proportions on the surface of the soil to be treated according to pollution level, well mixing to form mixed soil by ploughing and stirring, adding water to keep the water content of the mixed soil no less than 25%, covering the mixed soil with moisturizing material, curing for at least 5 days to keep heavy metals in the mixed soil to form stable minerals.

The invention discloses a method for treatment and in-situ ecological restoration of a black and stink riverway by using microorganism. The invention is characterized in that target strains with pertinence are selected from sewage and then matched and combined with the existing strains to form compound microbial agents; and the sewage in the riverway is treated by using the matched compound microbial agents. In the invention, according to the specific pollution conditions of the riverway, the selected strains which are grown in the sewage are used to treat the sewage in the riverway, and the strains are matched and combined with the existing strains aiming at the pollution conditions of the water body in the riverway, so that the strains can exert synergistic effects in a microorganism sewage treatment system, thereby rapidly forming superior floras so as to decompose, absorb and transfer pollutants in the riverway and then achieving the optimum treatment efficiency. In the invention, the microorganism is firstly used to treat the water body, and then the water body is treated through the self-cleaning capability of the water body, thereby reaching the purpose of curing the exterior and the inherence and not generating secondary pollution. The method has the characteristics of safety, high efficiency, low cost, small investment and the like, and is simple to operate.

The invention relates to a compound microbial agent for degrading antibiotic and pesticide residues as well as preparation and application thereof, and belongs to the field of biotechnology and environmental protection. Multi-thallus compound microbial powder is prepared from the compound microbial agent according to the weight percentage of living microbes to the total amount of compound microbial powder as follows: 10%-15% of bacillus subtilis, 10%-15% of aspergillus niger, 10%-15% of bacillus mucilaginosus, 10%-15% of enterococcus faecalis, 8%-12% of bacillus licheniformis, 8%-12% of bacillus megaterium, 8%-12% of pseudomonas fluorescens, 5%-8% of lactobacillus plantarum, 5%-8% of bacillus polymyxin and 6%-8% of streptococcus thermophiles. The compound microbial agent has the effects of degrading antibiotic and pesticide residues, fermenting and composting organic matter, acting as functional fertilizer and repairing the environment, and can solve the problems of secondary pollution caused by antibiotic residues in culture feces and resource utilization of organic waste and realizes biodegradation of the antibiotic and pesticide residues in soil when applied to the agricultural ecological environment, thereby being of great value and practical significance in restoration of agricultural ecological environment and protection of human health.

The invention discloses a remediation agent for treating arsenic contaminated soil and a usage of the remediation agent. The remediation agent comprises the following raw materials by mass: 5-30% of oxidant, 30-70% of iron-based compound and 10-60% of mineral material. The raw materials are respectively ground into materials with particle size not smaller than 200 meshes and are mixed uniformly according to the proportion. The usage of the remediation agent for treating the arsenic contaminated soil comprises the following steps that: the arsenic content and the leaching toxicity of the to-be-treated contaminated soil are detected; the remediation agent with different ratios according to the degree of contamination is paved on the surface of the to-be-treated soil; the soil is turned over and uniformly mixed to form the mixed soil; the water content in the mixed soil is kept not to be less than 25% by adding water; a moisturizing material is covered on the mixed soil; and the mixed soil is cured for at least 5 days in order to allow the remediation agent in the mixed soil to be reacted with unstable arsenic in the heavy metal contaminated soil; and the generated insoluble arsenate sediment is stabilized, so that the cured soil can meet the environment protection requirements.

The invention relates to a slope self-drainage anchor rod and a construction method. The self-drainage anchor rod comprises a hollow anchor pipe, an anchorage device, a cushion plate and a siphon, wherein one end of the hollow anchor pipe is open, the other end of the hollow anchor pipe is closed, the hollow anchor pipe is wrapped in a filter screen, threads are arranged at the open end of the hollow anchor pipe, water-pervious holes are formed in the rear middle of the hollow anchor pipe, the rear segment of the hollow anchor pipe and a slurry outlet pipe are perpendicularly connected, the end of the slurry outlet pipe is sleeved with a sleeve valve and a geotextile bag, and on the two sides of the slurry outlet pipe, the geotextile bag is clamped and fixed to the hollow anchor pipe through hoops; the lower side of the hollow anchor pipe is obliquely placed in a slope, the relative height difference between the pipe opening of the hollow anchor pipe and the pipe bottom of the hollow anchor pipe is kept smaller than 7 m, pulp solidifies in the geotextile bag and is anchored in stable soil, and the front segment of the hollow anchor pipe is anchored to the cushion plate through the anchorage device; a water suction pipe of the siphon is inserted in the hollow anchor pipe and stretches to the bottom, the water suction pipe is connected with a drainage pipe and a balance water outlet device through connector bent pipes on the slope, and a water inlet of the water suction pipe is as high as a water outlet of the balance water outlet device. The slope self-drainage anchor rod is simple in structure, can achieve anchoring and draining at the same time and is good in drainage effect, easy and convenient to construct and low in manufacturing cost.

The invention discloses a microorganism deodorant and a preparation method thereof. The microorganism deodorant has the following strain composition: 106-109 / mL of Lactobacillus acidophilus, 106-109 / mL of Bacillus pumilus, 106-109 / mL of Bacillus subtilis, 105-107 / mL of Pseudomonas fluorescens, 105-107 / mL of Rhodopseudomonas palustris, 104-106 / mL of Bantu Brettanomyces, 104-106 / mL of common Candida albican, 104-106 / mL of Penicillium expansum, 104-106 / mL of Rhizopus oryzae, 104-106 / mL of Trichoderma viride, 104-106 / mL of Streptomyces Microflavus and 104-106 / mL of Streptomyces griseus. Accordingto the microorganism deodorant, the release amount of obnoxious gas can be effectively lowered, and the technical support is provided for effectively processing fetor in livestock and poultry farms and protecting environment.

The composite natural microporous sewage treating agent is for treatment of sewage containing heavy metal ion, phenol, amine and other organic pollutant. The present invention features that the composite natural microporous sewage treating agent consists of diatomite of 0.1-10 micron granularity in 50-70 wt%, zeolite of 1-4 nm granularity in 20-40 wt%, and bentonite of 10-50 nm granularity in 0-15 wt%. The present invention selects cheap natural microporous material with excellent adsorbing performance and different pores as adsorbent carrier, and modifies the microporous material to prepare sewage treating agent suitable for various sewage quality. The present invention has excellent sewage treating effect.

The invention discloses a method for controlling unbalanced three-phase loads of a low-voltage distribution network. The method uses a station area controller to collect three-phase current data on the low-voltage side of a distribution transformer, load data of an outlet leakage protection switch, and user power consumption data. The load data and the current and phase data of the commutation switch are analyzed and calculated to obtain the unbalance value of each outgoing line. When the unbalance is found to be greater than the set limit value, and the unbalance maintenance time exceeds the set adjustment time In this case, the optimal "unbalance adjustment method" is given, and the phase change switch is automatically controlled by remote control to adjust the load and complete the redistribution of the three-phase loads of each outgoing line, so that the three-phase loads of each outgoing line are in a basically balanced state, so as to achieve low-voltage line The three-phase load balance state. The invention realizes the redistribution of the single-phase load current by controlling the phase change switch installed on the side of the household meter box, so as to achieve the basic balance of each phase load.

The invention relates to a method for governing a red soil strongly-eroded slope. The method comprises the following steps that (1) horizontal furrow groups are dug in a red soil strongly-eroded slope surface along all contour lines, each horizontal furrow group comprises multiple horizontal furrows, and the cross section of each horizontal furrow is trapezoid; (2) planting holes are dug between two adjacent horizontal furrows in the same horizontal furrow group, and the cross section of each planting hole is trapezoid; (3) shrubs and grass are planted in the horizontal furrows, and grass is planted in the planting holes; (4) shallow furrows are dug in the same horizontal furrow group, and water and soil conservation grass seeds are evenly sowed in the shallow furrows to form horizontal grass band chains; (5) after the environment of the strongly-eroded slope is improved one year later, trees are then planted in the horizontal furrows and the planting holes. The method is applied to water and soil loss governance and governance of ecological environment of vegetation recovery of the red soil strongly-eroded slope, water storage and soil protection performance of the slope is increased, the ecological environment good for the vegetation recovery is created, and the governance effect of a red soil strongly-eroded area is improved.

The invention discloses side slope reinforcing method and structure. The side slope reinforcing method comprises a step of building a concrete anti-shear structure in a slope body. The side slope reinforcing method is characterized in that the concrete anti-shear structure is an integral structure comprising anti-shear tunnels, anchored tunnels and displacement inclined shafts, wherein the anti-shear tunnels and the anchored tunnels are formed through pouring; a plurality of layers of the anti-shear tunnels are arranged at intervals along the strike direction of a slip crack surface in a compressive-shear area of the slip crack surface as seen from the side surface of the concrete anti-shear structure, and each layer of the anti-shear tunnels all horizontally extend on the slip crack surface; a plurality of the anchored tunnels are arranged at intervals along the strike directions of the anti-shear tunnels on the selected anti-shear tunnels as seen from the front surface of the concrete anti-shear structure, and the anchored tunnels all penetrate through the anti-shear tunnels along the directions facing to the slip crack surface; and besides, the two layers of anti-shear tunnels are connected into an integer through a plurality of the displacement inclined shafts extending between the selected upper and lower layers of the anti-shear tunnels along the slip crack surface. The integer formed by the anti-shear tunnels, the anchored tunnels and the displacement inclined shafts through the pouring is suitable for treating a large-size rocky high-steep side slope with deeper burial depth on the slip crack surface.

The invention discloses a coal mining subsidence area administration method for a loess hilly-gully region. The method comprises the following steps: 1, measuring the width of a crack opening; 2, determining a crack administration scheme, wherein the crack administration scheme is an on-site filling method or a combined crack filling and micro-slope reconstruction administration method; 3, performing crack administration, wherein a crack to be administrated is filled with a soil body when the on-site filling method is adopted; the combined crack filling and micro-slope reconstruction administration method for administration comprises the following steps: 301, measuring an inclination angle of the crack; 302, judging an inclination angle value of the crack; 303, performing cross slope crack administration; 304, along-slope crack administration; 4, repeating step 1 to step 3 for many times until all subsided cracks in a loess slope of a coal mining subsidence area are administrated. The steps are simple, the method is reasonable in design, convenient to implement and construct and shorter in construction cycle, and has good administration effects, and the coal mining subsidence area of the loess hilly-gully region can be effectively administrated.

The invention discloses a method for treating nitrogen and phosphorus surface source pollutants in an ecological ditch. The method comprises the following steps of: A, constructing the ecological ditch: constructing the ecological ditch at the exit of a catchment area, and dividing the ecological ditch into multiple steps, wherein the slope and the bottom of the ditch are made of soil, and a water blocking bank has a brick-concrete structure; B, planting aquatic plants and breeding loaches section by section: planting the aquatic plants in the ecological ditch to digest the nitrogen and phosphorus surface source pollutants in a water body by using the intercepting and absorbing effect of the aquatic plants, and breeding the loaches on the lower middle part of the ecological ditch to increase economic benefits of the ecological ditch; C, managing the ecological ditch: periodically reaping the aquatic plants, dredging the ecological ditch in combination with harvesting of the loaches, and newly planting aquatic plants and breeding loaches; and D, managing and maintaining the ecological ditch: 1) reaping and utilizing the plants in the ditch, 2) dredging, and 3) maintaining the ecological ditch. The method is low in cost and easy to operate, is easily accepted by crowds, has an extremely good treatment effect on the nitrogen and phosphorus surface source pollutants, and has a very good popularization and application prospect in subtropical hilly regions of middle and lower reaches of the Yangtze River.

The present invention discloses a method for reducing and controlling wastewater pollution of pig farm, comprising the steps of: A, using a solid-liquid separation facility for performing solid-liquid separation of pig farm waste, stacking the solid waste for fermentation to produce an organic fertilizer; B, building a four-level biomass purification tank treatment system, constructing biomass purification tanks which are connected by pipes, putting straw in the biomass purification tank of each level; C, building a five-level green watermifoil ecological wetland treatment system including ecological wetlands which are naturally divided by ridges, planting green watermifoil, culturing the green watermifoil into a plant population, keeping an up level ecological wetland and a down level ecological wetland including a first level ecological wetland, a second level ecological wetland and a third level ecological wetland to facilitate the flow and purification of waste water. The method is easy to operate and low in construction cost, does not need running cost, and is suitable for application and promotion in pig farms in the majority of sub-tropical areas in middle and lower reaches of the Yangtze River.

The invention provides a vacuum drainage anchor rod and a construction method thereof. The anchor rod is composed of an anchoring system and a vacuum drainage system; a thread is arranged at the frontend of each hollow anchor pipe, the middle rear part of each hollow anchor pipe is connected with a slurry outlet pipe, water permeable holes are formed in each hollow anchor pipe which is wrapped bya filter screen, a rubber sleeve valve and a geotextile bag sleeve an opening of each slurry outlet pipe, and each geotextile bag is clamped in the corresponding hollow anchor pipe through a hoop; the hollow anchor pipes are obliquely arranged in a slope, pressure grouting is conducted on the interior and the periphery of the front end of each hollow anchor pipe, and the hollow anchor pipes are anchored on backing plates through anchorage devices; a controller and a vacuum pump are installed outside the slope; moisture meters are embedded in the slope and connected with the controller; waterabsorbing pipes penetrate through sealing covers and are inserted into the hollow anchor pipes, connected with a drain pipe through sealing joints and connected with the vacuum pump; the controller and the vacuum pump are switched on, pumping starts to be conducted, a negative pressure zone is formed in each hollow anchor pipe, and the water in the slope enters a water suction pipe and then is discharged out of the slope. Accordingly, the structure is simple, anchorage and drainage can be achieved simultaneously, a good effect is achieved, construction is easy, and the manufacturing cost is low.

The invention provides a heavy metal contaminated soil restorative agent. The restorative agent is prepared from the following components in weight ratio: 20-30 percent of biomass charcoal, 30-50 percent of quick lime, 10-20 percent of molecular sieve, 10-20 percent of sodium bentonite, 1-10 percent of polyepoxysuccinic acid and 1-10 percent of sodium lignin sulfonate. A preparation method for the heavy metal contaminated soil restorative agent comprises the following steps: firstly, mixing the biomass charcoal, quick lime, molecular sieve, sodium lignin sulfonate and sodium bentonite in mass ratio to obtain a mixture; and then, adding the polyepoxysuccinic acid into the mixture in mass ratio to stir and uniformly mix, thereby obtaining the prepared soil restorative agent. The prepared soil restorative agent has good effect in restoring the cadmium, lead and zinc compound contaminated soil.

The invention discloses a remediation medicament for treating heavy metal contaminated soil and a method for treating the heavy metal contaminated soil by virtue of the remediation medicament. The remediation medicament contains the following raw materials in percentage by weight: 1%-10% of an oxidant, 30%-70% of an iron-based compound, 10%-60% of modified mineral materials and 10%-40% of a pH regulator. The remediation medicament is prepared by the steps of respectively grinding the raw materials into 10-200-mesh materials, and mixing in a proportion. When the remediation medicament is utilized for treating heavy contaminated soil, the operation method is simple and convenient, and the treatment effect is remarkable. Compared with traditional medicaments, the remediation medicament has the advantages that the raw material sources are rich, and the remediation medicament is low in price and suitable for large-scale popularization and application.

The invention relates to a method for gas extraction through a bedding directional long drill hole traversing working face in a broken and soft coal seam. According to the method, through an air screwmotor directional drilling technology, the bedding gas extraction long drill hole is constructed in a tunneled roadway on one side of the working face of the coal seam, and the drill holes penetratesthrough a to-be-tunneled roadway on the other side of the working face to the position, within the control range of 15-20 m, of the outer side of the roadway; and after the drill hole is completed, adrill tool is lifted up, an open-close type guiding drill bit and a drill rod with a large through hole are put down, then a hole protection screen pipe is put down through the center of the drill rod, then the drill rod is lifted up, the screen pipe stays in the hole, and then a gas extraction pipeline is connected for gas pre-extraction. An air screw motor directional drilling method is adoptedin the gas treatment technology so that the drilling depth of bedding extraction of the broken and soft coal seam and the coal seam drilling-encounter rate can be greatly increased, invalid footagesare reduced in quantity, meanwhile the drill hole coverage range is ensured, the purpose of gas pre-extraction outburst elimination of the stope face and the to-be-tunneled roadway is achieved, and safe tunneling of the coal seam roadway and safe extraction of coal extraction work face are ensured.

The invention provides an off-site treatment method and system for mud polluted by heavy metals in a river. The method comprises the following steps of: (1) conveying dug bottom mud to the bank, washing off pebble, macadam and coarse sand, and performing thermal refining treatment on the bottom mud containing a leacheate; (2) performing mud and water separation on the bottom mud subjected to the thermal refining treatment; (3), sieving mud fluid subjected to the mud and water separation, and sieving out medium-fine sand; (4) removing coarse mud from the undersized mud fluid; (5) performing mud and water separation on the mud fluid, and conditioning the bottom mud with relatively high concentration by use of a flocculant; (6) dewatering the conditioned mud fluid; (7)mixing and stirring the dewatered bottom mud and a stabilizer solution, and performing stable consolidation treatment. The system comprises a roller stone washer, a mud collection pool, a spiral sand washer, a mud fluid mixing and conditioning pool, a mud fluid precipitation pool, a vibrating sieve, a hydraulic swirler, a mud fluid condensation pool, a mud fluid conditioning pool, mechanical dewatering equipment and stable consolidation stirring equipment. The method and the system are convenient to implement and operate, good in treatment effect and free from secondary pollution.

The invention discloses a contaminated soil restoration treatment device. The contaminated soil restoration treatment device comprises a vehicle body, wherein a soil excavator, a centrifugal device, a stirring device, a microorganism decomposition device, a heating unit and a curing box are arranged on the vehicle body, the stirring device comprises a stirring shell, a crushing device, a rotary motor, a rotating shaft, a stirring rod and a crushing blade, the crushing device comprises a crushing motor, a crushing shaft and a crushing blade, and the heating unit comprises a heating box, a heater and a temperature controller. According to the contaminated soil restoration treatment device, the mobility is good, onsite treatment on a contaminated soil site is carried out, and contaminated soil can be analyzed, so that an optimal treatment chemical is obtained; irrelevant garbage is separated by virtue of the centrifugal device and cannot be taken into other treatment devices, so that soil treatment efficiency is improved; and the device adopts multiple ways such as the chemical and microorganisms for treating the contaminated soil, treatment effect can be more obvious, and the heating unit adopts a thermal desorption technology for removing organic pollution in the soil.

The invention discloses a method and a system for treating agricultural non-point source pollutants in a hilly area by multilevel wetlands. The method comprises the following steps: A, designing and constructing a diversion facility and multilevel wetlands (including a grit chamber and drop water dams); B, configuring plants in ecological wetlands; C, stocking fish in wetlands; and D, managing and maintaining the ecological wetlands: 1) cutting and utilizing the wetland plants; 2) desilting; and 3) harvesting the fish. The diversion facility is connected with the grit chamber through a diversion covered channel / tube, the grit chamber is respectively connected with the diversion covered channel / tube and the first level wetland, the third level wetland is connected with the second level wetland and the fourth level wetland respectively through overflow channels, a wetland total water drainage opening is respectively connected with the fourth level wetland and a water drainage ditch, and all the wetlands are connected with the drop water dams through overflow channels. The method and the system have the advantages of low running cost, simplicity in operation, excellent treatment effect on non-point source pollutants nitrogen and phosphorus in a small basin or catchment area unit, and very good promotion and application prospect in subtropical hilly areas in the middle and lower reaches of the Yangtze River.

Disclosed is a drilling tool assembly used for directional hole-forming underground a coal mine and provided with an air screw motor and construction method. The drilling tool assembly comprises a directional drill bit, the air screw motor, a lower non-magnetic drill rod, a wireless electromagnetic wave measurement while drilling short section, an upper non-magnetic drill rod, a middle drill rod and a blower which are connected in sequence. The drilling tool assembly can carry out composite drilling and sliding directional drilling for construction: when composite drilling is conducted, the air screw motor drives the directional drill bit to crush rocks in rotatably, meanwhile, the middle drill rod rotates to drive the air screw motor to rotate, boring mud at the bottom of a hole is discharged from the bottom of the hole by compressed air along an annular gap, and the middle drill rod can be used for auxiliary slagging; and when sliding directional drilling is conducted, the middle drill rod does not rotate, the directional drill bit is driven by the air screw motor driven by the compressed air to rotate to crush rocks, and the track of the hole is controlled by changing the elbow orientation of the air screw motor. Thus, according to the drilling tool assembly used for directional hole-forming underground the coal mine and provided with the air screw motor and construction method, the drilling depth of a soft coal seam and the coal seam drilling-encounter rate can be improved greatly, and the drilling gas extraction effect is improved.

The invention discloses a treatment method of heavy metals in desulfurization waste water, and belongs to the technical field of waste water treatment. A combination method of chemical precipitation and physical adsorption treatment is adopted to remove the heavy metals in the desulfurization waste water. The chemical precipitation method uses a ferrite precipitation method that a process condition is controlled by adding ferric and ferrous salts into desulfurization slurry, so that various metal ions such as Cd, Pb, Hg, Cu, Zn, Cr and Ni in the waste water form an insoluble composite ferrite; after aging for a period of time, a solid-liquid separation means is used to achieve the object of removing the heavy metal ions; a natural adsorbent is used for adsorbing the residual heavy metals in the desulfurization waste water, therefore the discharge standard of the heavy metal ions in the desulfurization waste water is achieved. The method has the advantages of simple process, good sediment stability, high removal efficiency of heavy metals and good environmental benefits, and effectively solves the secondary pollution problem of heavy metals.

The invention discloses a method for reducing and controlling waste pollutants in scattered culture zones of hills. The method includes the following steps: A. constructing a biomass purifying tank; B. constructing an ecological trench wetland system, namely constructing an ecological trench cross section, constructing a water retaining ridge, and configuring ecological trench plants, wherein the ecological trench plant configuration is divided into three sections, namely a front section at the upstream of an ecological trench, a middle section at the middle-upper part of the ecological trench, and a rear section at the middle-lower part of the ecological trench; C. constructing a diversion dam; and D. constructing a tail-end three-level wetland system, including a primary green myriophyllum verticillatum ecological wetland, a secondary economic wetland, and a third ecological fishpond. The method is low in building and running cost and convenient to operate, has a good governance effect, and can effectively reduce and control pollutants such as COD (chemical oxygen demand), nitrogen, phosphor and the like in polluted water. According to the method, culture wastes in a water collecting zone are treated by an ecological trench constructed in a natural drainage ditch and the ecological wetland system constructed at the tail end. The method can be applied to hills in the vast subtropical zone in south of the middle and lower reaches of the Yangtze river region in China, and has certain economic benefits.

The invention discloses a uniform stirring device for contaminated soil remediation. The uniform stirring device comprises a first box and a second box, wherein the second box is arranged at the left end of the first box, a second motor is arranged at the left end of the second box, a first motor is arranged at the right end of the first box, a rotary shaft connected with the second motor is arranged on the inner side of the second box, a rotary drum connected with the first motor is arranged on the inner side of the first box, a plurality of stirring blades are arranged uniformly on the outer side of the rotary drum, helical blades are arranged on the rotary shaft on the inner side of the second box, and a plurality of smashing cutters are arranged uniformly in a staggered manner on the rotary shaft on the inner side of the rotary drum. The uniform stirring device is compact and stable in structure, can be used for rapid and uniform stirring for contaminated soil remediation, and improves the contaminated soil remediation effect.

The invention discloses a soil-turning and spray-type small soil treatment equipment, comprising a diesel engine and a medicine box. The diesel locomotive is provided with a soil-turning device, and the diesel engine is provided with a rotating shaft at the rear. A pump is provided, a medicine-passing water pipe is fixed on the right side of the pumping pump, a medicine-spraying plate is fixed at the end of the medicine-passing water pipe, and the medicine box is provided with a water tank, a medicine storage room and a mixing box. The invention of the soil turning and spraying type small soil treatment equipment breaks the soil and sprays the liquid medicine, which solves the problem that the soil is dry and agglomerated, which is inconvenient to control. Even better, the filter device can effectively remove impurities in the water to avoid mixing into the potion and affecting the soil quality.

The invention discloses a linked stabilizing agent for repairing heavy metal contaminated soil and a repairing method thereof. The linkage stabilizing agent comprises: a first agent comprising ferrous sulfate and montmorillonite, and a second agent comprising sulfide, calcium hydroxide, calcium oxide and silicon dioxide. The repairing method comprises the following steps of: (1) adding the first agent to the heavy metal contaminated soil, and stirring the first agent and the heavy metal contaminated soil for maintenance; and (2) adding the secondary agent to a mixture obtained in the step (1), and stirring the secondary agent and the mixture for maintenance. The linkage stabilizing agent disclosed by the invention is obvious on treatment effects of complex heavy metal contaminated soil or substrate sludge, is long-lasting in heavy metal stabilization effects, and besides, secondary pollution cannot be caused; the linkage stabilizing agent is small in addition proportion and low in construction cost and has obvious economic benefits.

The invention discloses a method for restoring and treating caesium and / or strontium polluted soil by using red spinach. The method is characterized by comprising the following steps of: planting the red spinach in the soil containing caesium and / or strontium pollutants, and harvesting the red spinach plant or moving the integral red spinach plant from the polluted soil when the red spinach plant grows to a flowering period or a mature period; and further, planting the red spinach of the next batch, moving the integral red spinach plant from the polluted soil when the red spinach plant grows to the flowering period or the mature period, and repeating the processes till the caesium and / or strontium content of the soil reaches the environmental safety standard. The method has the advantages of low energy consumption, low cost, low environmental perturbation, incapability of destroying the environmental soil structure and physicochemical property or causing secondary pollution and good soil treatment effect, can beautify the environment at the same time of treating the polluted soil, and permanently solves the pollution problem of the caesium and / or the strontium in the soil.

The invention discloses an electrochemical device for treating pollution caused by organic matters and inorganic matters in soil and underground water and an application thereof. The device is characterized by being a control circuit which consists of a power supply, a control pivot and an electrode pack or electrodes, which are sequentially connected in series through leads, wherein the electrode pack or the electrodes are embedded into a pollution medium, and a conductive ionic catalytic liquid is added into the pollution medium; the control pivot receiving current output by the power supply adjusts output to the electrode pack or the electrodes so as to control the voltage, the polarity and / or the current direction of the electrode pack or the electrodes. The device disclosed by the invention can effectively promote degradation of pollutants in soil and underground water and improve the degradation efficiency of the pollutants without secondary pollution, so that the purpose of repairing soil is realized by treating organic and inorganic pollutants in soil and underground water.

The invention relates to a method for processing the oxidization desulfuration tail gas of hydrocarbons. Wherein, it compresses, condenses, and recycles the hydrocarbons; the non-condensed gas via catalyst is burnt to be purified and discharged. The invention has high recycle rate and low cost.

The invention provides a method for treating mephitic tail gas of a heavy waste sump tank. The invention is characterized in that: the mephitic tail gas from a sweeping device on a heavy waste sump tank pipeline is cooled by an air cooler to a range of between 96 and 100 DEG C, and sent to the heavy waste sump tank for storage; gas is extracted from the heavy waste sump tank and is sent into a condenser for cooling by controlling a temperature below 50 DEG C; the tail gas is subject to the absorbing and deodorizing treatment by an absorbent in an absorption tower, and is subject to the deodorizing treatment by the absorbent in a Venturi jet to lift power; and finally, the treated tail gas is exhausted through a blowdown pipe. The invention also discloses a corresponding treatment device. The device has the advantages of large treating capacity, good treatment effect, simple structure and reasonable process so as to achieve the emission standard for odor pollutants.