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Qin methadone as a grass herbicides can increase the effectiveness and reduce the cultivation of grass-cutting costs, but its production process from the larger waste pollution, especially sewage. These methylation reactions deep water colour, odour-not only heavy pollution and the effects of methanol and NaBr wastewater recycling. And domestic enterprises in this regard do not, the majority will be directly after the discharge of wastewater into the sewage treatment pond, which not only caused environmental pollution, but also an enormous waste of valuable resources Br. The experiment is for methadone methylation wastewater treatment Qin, using two methods, namely, hydrogen sulfide law and sedimentation law, inter hydrogen sulfide law can better remove colour and odour. Experimental opted for low-cost strong acid solvents detreated product, sodium hydroxide solution to absorb emissions of hydrogen sulfide, both low-cost raw materials and conducive to industrialized applications. After several experiments, the best treatment conditions : wastewater volume and stronger than sulphuric acid at a temperature of 120 degrees for 1:0.03; handling, processing time 120min. Processed wastewater almost colourless.

Picked to : Qin methadone as a grass herbicides can increase the effectiveness and reduce the cultivation of grass-cutting costs, but its production process from the larger waste pollution, especially sewage. These methylation reactions deep water colour, odour-not only heavy pollution and the effects of methanol and NaBr wastewater recycling. And domestic enterprises in this regard do not, the majority will be directly after the discharge of wastewater into the sewage treatment pond, which not only caused environmental pollution, but also an enormous waste of valuable resources Br. The experiment is for methadone methylation wastewater treatment Qin, using two methods, namely, hydrogen sulfide law and sedimentation law, inter hydrogen sulfide law can better remove colour and odour. Experimental opted for low-cost strong acid solvents detreated product, sodium hydroxide solution to absorb emissions of hydrogen sulfide, both low-cost raw materials and conducive to industrialized applications. After several experiments, the best treatment conditions : wastewater volume and stronger than sulphuric acid at a temperature of 120 degrees for 1:0.03; handling, processing time 120min. Processed wastewater almost colourless. Keyword : Qin for methadone, methylation wastewater, sulphuric acid, hydrogen sulfide

The grass is the herbicide, can raise in addition to the grass result and lower to plant the cost, but its production line in output of three discard the pollution to compare greatly, is a waste water particularly.Among them, turns the waste water color of the reaction deep, the bad smell is heavy, not only pollute heavy, and the influence discard the aquatic methyl alcohol and NaBr recoveries.And this aspect of local business enterprise do not good, the most is direct to send the waste water into the dirty pond handles the rear row to put, this not only resulted in pollution of the environment, but also wasted the precious resources of Br biggest.This experiment is to handle the grass to turn the waste water, using two kinds of methods, respectively is to precipitate the method and in addition to the hydrogen sulfide method, among them in addition to the hydrogen sulfide method can with better do away with the color and bad smells.The experiment chooses the low cost oil of vitriol to make the melting agent to take off the color deodorization, oxidizing the hydrogen sulfide that the 钠 aqua absorbs to eject with the hydrogen, these two kinds of material costs are cheap, being advantageous to the industrialization application.Through many experiments, get the best processing condition is:The waste water and the oil of vitriol physical volumes compare to 1:0.03;Handle the temperature is 120 ℃s, handling the time 120 mins.The waste water that handles the empress almost have no color tasteless.
Keyword:The grass , turns the waste water, sulfuric acid, hydrogen sulfide

The grass is the herbicide, can raise in addition to the grass result and lower to plant the cost, but its production line in output of three discard the pollution to compare greatly, is a waste water particularly.Among them, turns the waste water color of the reaction deep, the bad smell is heavy, not only pollute heavy, and the influence discard the aquatic methyl alcohol and NaBr recoveries.And this aspect of local business enterprise do not good, the most is direct to send the waste water into the dirty pond handles the rear row to put, this not only resulted in pollution of the environment, but also wasted the precious resources of Br biggest.This experiment is to handle the grass to turn the waste water, using two kinds of methods, respectively is to precipitate the method and in addition to the hydrogen sulfide method, among them in addition to the hydrogen sulfide method can with better do away with the color and bad smells.The experiment chooses the low cost oil of vitriol to make the melting agent to take off the color deodorization, oxidizing the hydrogen sulfide that the 钠 aqua absorbs to eject with the hydrogen, these two kinds of material costs are cheap, being advantageous to the industrialization application.Through many experiments, get the best processing condition is:The waste water and the oil of vitriol physical volumes compare to 1:0.03;Handle the temperature is 120 ℃s, handling the time 120 mins.The waste water that handles the empress almost have no color tasteless.
Keyword:The grass , turns the waste water, sulfuric acid, hydrogen sulfide