34results about How to "Achieving Oxidation Removal" patented technology

The invention relates to a preparation method of a carbon nano tube composite bismuth molybdate environmentally friendly and deep water treatment agent. The preparation method comprises the following steps: (1), carboxylation and amination modification are performed on a carbon nano tube and 2,4,6-trifluoro-5-chloro-pyrimidine is modified to prepare a reaction type carbon nano tube; (2), bismuth salt, a stabilizer, a template agent and the reaction type carbon nano tube are added into a phosphate buffer solution, and stirring is performed for 30 to 60 min, so as to form turbid liquid; molybdate is dissolved into the phosphate buffer solution, and then the phosphate buffer solution is added into the turbid liquid, so as to form a transparent solution; (3), the product is obtained after filtering and drying. The preparation method provided by the invention has the advantages that the cost is low, the preparation method is simple, requirements for equipment are low, and the maneuverability is excellent; the water treatment agent can be used for removing high concentration organic pollutants in water, is suitable for deep treatment on various wastewater, environmental protection and zero secondary pollution are achieved, and the water treatment agent is antibacterial, deodorant and can absorb other heavy metal ions and the like.

The invention relates to a preparation method for an environment-friendly advanced water treatment agent by combining a carbon nano tube and ZnIn2S4. The preparation method includes the steps that firstly, carboxylation, aminated modification and 2, 4, 6-trifluoro-5-chloropyrimidine modification are sequentially conducted on the carbon nano tube to obtain a reaction type carbon nano tube; secondly, the nano ZnIn2S4, a stabilizer, a template agent and the reaction type carbon nano tube are added into phosphate buffered saline to be stirred for 30 min-60 min to form turbid liquid; thirdly, the turbid liquid is filtered and dried to obtain the environment-friendly advanced water treatment agent. The preparation method is low in cost, simple, low in equipment requirement and good in operability. The water treatment agent can be used for removing high-concentration organic pollutants in water, is suitable for advanced treatment of various kinds of wastewater, environmentally friendly and free of secondary pollution and has the advantages of being antibacterial, deodorant, capable of adsorbing other heavy metal ions and the like.

The invention discloses an anti-blockage EGR (Exhaust Gas Recirculation) system and a control method. The anti-blockage EGR system comprises an EGR cooling unit, an exhaust waste heat exchange device, an NTP (Non-Thermal Plasma) injection system and a control module, wherein the exhaust waste heat exchange device is arranged at the tail end of an exhaust pipeline; a snake loop pipeline is arranged inside the exhaust waste heat exchange device; the inlet of the snake loop pipeline is connected with the NTP injection system; a nozzle is arranged at the tail end of an injection pipeline at the outlet of the snake loop pipeline; the nozzle extends to the inlet of the EGR cooling unit; both the EGR cooling unit and the NTP injection system are connected with the control module. Oxidation removal of carbon deposit can be realized under the situation that the temperature is lower than the engine exhaust particulate matter combustion temperature; through the exhaust waste heat exchange device for an engine, the reaction reaches a proper reaction temperature range; under the state of normal work of one EGR cooler branch, instant regeneration is performed on another EGR cooler branch, so that regeneration of an EGR cooler is realized efficiently in an energy-saving way, and the problem of blockage of the EGR system is solved.

The invention relates to a preparation method for an environment-friendly advanced water treatment agent by combining a carbon nano tube and WO3. The preparation method includes the steps that firstly, carboxylation, aminated modification and 2, 4, 6-trifluoro-5-chloropyrimidine modification are sequentially conducted on the carbon nano tube to obtain a reaction type carbon nano tube; secondly, the nano WO3, a stabilizer, a template agent and the reaction type carbon nano tube are added into phosphate buffered saline to be stirred for 30 min-60 min to form turbid liquid; thirdly, the turbid liquid is filtered and dried to obtain the environment-friendly advanced water treatment agent. The preparation method is low in cost, simple, low in equipment requirement and good in operability. The water treatment agent can be used for removing high-concentration organic pollutants in water, is suitable for advanced treatment of various kinds of wastewater, environmentally friendly and free of secondary pollution and has the advantages of being antibacterial, deodorant, capable of adsorbing other heavy metal ions and the like.

The invention relates to a preparation method for an environment-friendly advanced water treatment agent by combining a carbon nano tube and Ag / BiOX. The preparation method includes the steps that firstly, carboxylation, aminated modification and 2, 4, 6-trifluoro-5-chloropyrimidine modification are sequentially conducted on the carbon nano tube to obtain a reaction type carbon nano tube; secondly, the Ag / BiOX (X=C1, Br and I), a stabilizer, a template agent and the reaction type carbon nano tube are added into phosphate buffered saline to be stirred for 30 min-60 min to form turbid liquid; thirdly, the turbid liquid is filtered and dried to obtain the environment-friendly advanced water treatment agent. The preparation method is low in cost, simple, low in equipment requirement and good in operability. The water treatment agent can be used for removing high-concentration organic pollutants in water, is suitable for advanced treatment of various kinds of wastewater, environmentally friendly and free of secondary pollution and has the advantages of being antibacterial, deodorant, capable of adsorbing other heavy metal ions and the like.