32results about How to "No other pollution" patented technology

The invention provides a method for preparing MgO nanometer granular materials, belonging to the technical field of granular material preparation. The method is characterized in that under a non-vacuum condition, MgO nanometer granules are prepared by adopting methods of arc discharge and pure magnesium anode self-consumption in a liquid nitrogen medium, wherein the end face of a cathode is provided with an inner hole; an anode is arranged in the inner hole of the end part of the cathode for starting arc and discharging electricity, so as to gasify a magnesium rod to obtain magnesium atoms; moreover, the MgO nanometer granules are synthesized by utilizing a gaseous magnesium environment formed in the inner hole of the cathode after the anode is placed in the liquid nitrogen solution and by utilizing a low-temperature environment provided by liquid nitrogen. The method has the advantages of simple equipment and controllable technological parameters. As raw materials needed in the preparation are industrial pure magnesium rods, the method is rich in the raw materials and low in cost. A MgO nanometer granule prepared is in a spherical body, a spherical-like body, a cubic body or a cubic-like body, and causes no other pollution.

The invention provides a preparation method for hydrophobic nanometer titanium dioxide. The preparation method comprises the following steps: 1) adding nanometer titanium dioxide into distilled water accounting for 0.1 to 2% of the mass of nanometer titanium dioxide, uniformly mixing the above-mentioned components with stirring, then adding a silane coupling agent accounting for 0.1 to 0.5% of the mass of nanometer titanium dioxide, heating to a temperature of 80 to 100 DEG C and carrying out uniform mixing with stirring so as to obtain a mixture I; 2) adding a silicon-fluorine material accounting for 10 to 30% of the mass of the mixture I with slow stirring and continuing stirring until uniform mixing is realized so as to obtain a mixture II; and 3) adding an emulsifier accounting for 3 to 5% of the mass of the mixture II into the mixture II, carrying out high-speed emulsification at a temperature of 80 to 100 DEG C for 90 to 120 min and then carrying out cooling so as to obtain viscous nanometer titanium dioxide slurry, i.e., hydrophobic nanometer titanium dioxide. The invention further provides a nanoparticle super-hydrophobic self-cleaning wall paint containing hydrophobic nanometer titanium dioxide and a preparation method thereof. The nanoparticle super-hydrophobic self-cleaning wall paint has a good hydrophobic function, forms a stable contact angle of 150 DEG with water and a rolling contact angle of less than 5 DEG and has powerful and long-lasting self-cleaning capability.

The invention discloses a preparation method for magnesium nano-particles, which belongs to the technical field of nano-material preparation. The invention is characterized in that the MgO nano-particles are prepared by adopting the method of arc discharge in liquid nitrogen medium, consumable pure magnesium anode under the non-vacuum condition, wherein, an inner hole is opened at the end face ofa cathode, and an anode is arranged in the inner hole at the end part of the cathode. Under the action of air flow, air is involved in a reaction zone of arc discharge, oxygen atoms are supplied for the generation of MgO, and the nano-particles of the MgO are synthesized by the arc discharge. The preparation method has the advantages of simple equipment and controllable process parameters. The industrial pure magnesium stick which is taken as raw material in preparation is abundant and the cost of the raw material is low. Mg nano-particles with the shapes such as non-regular flake, hexagonal flake, hexagonal lantern, nearly hexagonal structure or nearly spherical shape can be prepared, and the particles have no other pollutions.

The invention discloses a technology for adsorption of heavy metal chromium in a proteolysis liquid. The technology mainly comprises proteolysis liquid chromium concentration adjustment, pH adjustment, composite adsorbent preparation, and adsorption and separation. The adsorbent is a polyethyleneimine-modified carboxylic nanocrystal cellulose-sepiolite composite adsorbent and has the advantages of good heavy metal adsorption effects and little side effect. The technology has simple and easy processes. The adopted adsorbent can be removed easily and does not cause other pollution.

The invention relates to quality grading water supply reforming method and system with a roof water tank and a building water supply pipe network. The reforming method comprises five steps of prophase preparation stage, metaphase water tank reforming stage, metaphase building water supply pipe network reforming stage, metaphase individual indoor water supply pipe network reforming stage and anaphase running management stage. The reforming system comprises a water chamber, a gas chamber, a purifying chamber and a building quality grading water supply pipe network system, wherein the water chamber comprises direct drinking, living and washing water source rooms; a building quality grading water supply main pipe network for direct drinking, living and washing is correspondingly connected with a quality grading water terminal and a water tank quality grading water discharging total opening respectively according to same function; the gas chamber comprises a unit modularized assembly type breathing bladder bag group; and the purifying chamber is provided with an assembly type unit modularized quality grading purification water supply unit. The invention prevents the secondary pollution of water and volatile waste of residual chlorine and has the effects of no cleaning, no water stop, full utilization, no waste, energy saving, emission reduction and quality grading water supply as required.

The invention discloses a process for adsorbing heavy metal cadmium in protein hydrolysate. The process mainly comprises the steps of adjusting the concentration of chromium in the protein hydrolysate, adjusting a pH value, preparing a composite adsorbent, adsorbing, separating and the like. The adsorbent adopted by the process disclosed by the invention is a polyethyleneimine modified carboxylation nano-crystalline cellulose and sepiolite composite adsorbent, and has the advantages of good effect of adsorbing heavy metal and hardly any side effects; the process for adsorbing the heavy metal cadmium in the protein hydrolysate is simple and feasible; in addition, the adopted adsorbent is easily removed, so no pollution is caused.

The invention relates to a method for comprehensively utilizing chlor-alkali salt sludge, which comprises the following steps: mixing and filtering the chlor-alkali salt sludge and water to obtain a first filter cake and first filter liquor; adding alkali liquor to the first filter liquor, and filtering to obtain a second filter cake and second filter liquor; adding the alkali liquor to the second filter cake, and filtering to obtain a third filter cake and third filter liquor; calcining the third filter cake; adding hydrochloric acid to the third filter liquor, and filtering to obtain a fourth filter cake and fourth filter liquor; drying the fourth filter cake; adding the alkali liquor to the second filter liquor, and filtering to obtain a fifth filter cake and fifth filter liquor; calcining the fifth filter cake; adding the alkali liquor to the fifth filter liquor, and filtering to obtain a sixth filter cake and sixth filter liquor; mixing the sixth filter cake and the water into slurry, and carrying out the spray drying on the slurry; introducing CO2 into the sixth filter liquor, and filtering to obtain seventh filter liquor and a seventh filter cake; and calcining the seventh filter cake. The method respectively extracts various materials by adding acid and alkali to the chlor-alkali salt sludge and successively filtering, and has the advantages of simple production process flow, low equipment requirement and no other pollution after the treatment is finished.

The invention relates to an environment deodorant containing microorganism strains and application of the environment deodorant, and belongs to the technical field of microorganism environmental governance. The environment deodorant is characterized by comprising 13-37% of microorganism strains, 6-17% of synergism components, 2-13% of essential oil, and 40-75% of distilled water. The environment deodorant containing the microorganism strains degrades and inhibits the microorganisms producing odor via exogenous function strains; a small quantity of synergism components and the essential oil in optimized compatibility and combination are prepared, and therefore, the environment deodorant can eliminate environment odor continuously without other pollution, be convenient in use and low in cost, have strong inhibiting function for pathogenic bacteria, and reduce diseases; at the same time, original odor is quickly absorbed, eliminated and hidden, the strength of releasing the odor in environment is reduced, the concentration of harmful substances is decreased, the method for processing is simple, investment on a device is small, energy consumption is saved, and deodorization effects are obvious.

The invention discloses an anhydrous chrome tanning process on the basis of fully considering water saving and reducing chrome discharge. Put the pickled leather into the tanning drum, add plastic balls and cationic oil in turn, start to rotate, then add chrome tanning agent, continue to rotate, then add alkali enhancer, continue to rotate, let stand overnight, and the next day the drum will be obtained. Chrome tanned leather. Using plastic balls instead of water as the medium for chrome tanning can not only ensure moderate mechanical action, but also play the role of a dispersion medium to complete the tanning process, which greatly avoids the generation of waste liquid containing chromium. When the plastic ball is used in the drum, it can increase the extrusion effect of the hide itself, promote the dispersion and penetration of the tanning material in the hide, and ensure the uniform concentration of the tanning material in the hide and between the hides; at the same time, the ball replaces As a solid lubricant, water is adsorbed on the surface of the hide, reducing the friction between the hide and the hide and between the hide and the drum, so as to ensure the safety of tanning; the sphere can also be used repeatedly, which has remarkable practicability.

The invention relates to titanium gypsum used in cement, and a treatment method thereof by using stalk black ash. The method comprises processes that: 1, raw materials of titanium gypsum and stalk black ash with an ignition loss higher than 1% are adopted and mixed according to a weight ratio of 75:25; 2, the materials are blended and molded, wherein one part of the titanium gypsum with a pH value reaching 9 or higher than 9 is manufactured into brick-shaped blocks by using a brick machine, and the other part of the titanium gypsum is manufactured into balls by using a disc granulator; 3, thematerial is roasted by using a brick firing kiln or a rotary kiln, wherein a sintering temperature of the material reaches 760-860 DEG C. The method is advantaged in that: when the material is used independently as a cement coagulant or used in combination with dihydrate gypsum as a cement coagulant, the hydration strength of the cement can be improved, and the setting time of the cement can be appropriately shortened. At the respect of cement setting time shortening and strength improving, in terms of a blending ratio of the treated titanium gypsum and dihydrate gypsum, the higher the proportion of the treated titanium gypsum, the higher the improving extent of the strength, and the higher the shortening extent of the setting time. No secondary pollution is caused during a production procedure.

The invention discloses a modular water heating floor structure and a construction process thereof. The modular water heating floor structure comprises a first floor board and a second floor board, wherein the first floor board comprises first board bodies and first water pipes, the two ends of the first water pipes extend out of two adjacent sides of the first board bodies correspondingly, and afirst groove is formed in the side, corresponding to one extension end of each first water pipe, of each first board body; the second floor board comprises second board bodies and second water pipes,the two ends of the second water pipes extend out of two opposite sides of the second board bodies, one side of the second floor board is provided with first grooves, the other side of the second floor board is provided with second grooves in parallel, conceding grooves are formed in the first grooves and the second grooves, and the first water pipes and the second water pipes communicate throughconnecting pipes; the bottoms of the seams between the first floor board and the second floor board and the bottoms of the seams between the two adjacent second floor boards are detachably connected with waterproof belts correspondingly, and leveling assemblies are connected to the first floor board and the second floor board; and matched seam cover plates are arranged at the splicing positions between the first grooves and the second grooves in a covering closing mode. The modular water heating floor structure and the construction process thereof have the effect of improving the indoor floorheating decoration construction efficiency.

The invention discloses a compound bacterial agent for poultry and livestock manure deodorization and a preparation method thereof, which relates to the field of microbial application. Based on chemical deodorization technology, the cost is high, the reaction is complicated, and secondary pollution occurs. posed by a single question. The poultry manure deodorizing composite bacterial agent of the present invention includes five kinds of bacteria including Bacillus amyloliquefaciens, Alcaligenes, Arthrobacter, Streptomyces and Micromonospora; Culture medium, activator, protectant. The beneficial effect of the invention is that: the treatment speed and utilization rate of the feces are improved, and the deodorizing effect is rapid and lasting.

The invention relates to magnesium-loaded biological carbon as well as a preparation method and application thereof. The preparation method of the magnesium-loaded biological carbon comprises the following steps: immersing crushed agricultural and forestry wastes into a magnesium chloride solution; carrying out ultrasonic treatment; after drying, firing under anaerobic conditions. According to the magnesium-loaded biological carbon provided by the invention, an adsorption capability of pure biological carbon on cadmium can be improved and arsenic can also be effectively adsorbed. The magnesium-loaded biological carbon not only can be used for purifying cadmium and arsenic polluted water bodies, but also can be used for passivating the arsenic and the cadmium in soil so that the mobility and effectiveness of the cadmium and the arsenic are reduced.