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The Standard of the waste water treatment can not be only one

Published:2014-11-27 09:07:30 Publishers:佳环臭氧 Information Sources:佳环臭氧官网 Pageviews: Font size:A+AA-

Since last year, surrounded by sewage treatment plants mentioned standard, the industry argue constantly. On the one hand, along with the skills of skills progress, in Beijing, Kunming and other cities, the local sewage treatment plant emission norms from an A to progress to the surface water has started four internships. On the other hand, there are also claims that can be 0.1 yuan per ton cost of four progressive effluent water to reach the surface. Water pollution control program introduced soon, the industry once again beginning to discuss progress on the emission norms. Sewage treatment plant emission norms will progress? Surface water is not the will to learn four specification? On the economic cost is not feasible? In addition to standardized questions, our sewage treatment profession What questions more worthy of attention? Newspaper hire professionals to explore. Urban sewage treatment plant effluent specifications may be infinite response message before the industry and some progress to four water surface. All of the understanding, and six years ago because of water pollution control points were watershed, while the sewage treatment plant emission specification level to progress to the controversy caused by A few goes. No matter how, controversy still exists, standardized progress will still be driven. Because out of the current characteristics of the central ground grading criteria apply, the choice is clear specification task execution policy of the central government to ensure the fulfillment of the most vulnerable and therefore the most chosen way. Not expected to copy four surface water standards, and will learn a scale of A to mention lessons specialization will find opportunities to serve as a third party has not been released to regulate aspects of some controversy had premature, but always inseparable from the following objectives: for example ammonia nitrogen, total phosphorus goals, especially the goal of total nitrogen and other pollutants, if the surface water in accordance with four specifications are extremely demanding parameters, sewage treatment will mean higher demand for inputs. If mixed with industrial waste water into the sewage treatment plant, the effluent COD to control the 30mg / L (one A is 50mg / L) or less, it is necessary to go through the expensive high-end skills to remove COD oxidation may be activated carbon adsorption.

Moreover, how can the BOD secure in 6mg / L (one A is 10mg / L) or less is no easy task. The SS (suspended solids), although in the current "Surface Water Quality Specifications" did not rule, but it is difficult to expect the new emission norms in this specification level is lower than the demand for A's. I think that, after all, the introduction of the specification, it will definitely be correct on some emissions goals, four surface water will not copy specifications. Also, the specification will bear thinking after the introduction of an A previously mentioned standard practice in some of the goals set in the questions presented. In addition, Beijing has been a large-scale practice, sewage treatment plant effluent reaches the surface water in the four skills can be completed, the fundamental question is not already there. Film skills to carry out today, all of the skills of the controversy, derived in the end, nothing less than the fall "capital" of the word. Specification of progress, it will undoubtedly move to carry our share of environmental industries. It is worth noting that, because the skills even more cluttered, the demand for specialized operations will be higher, professional service of the third party will find opportunities here. Another positive effect of the occupation by the E20 Industrial Research Institute released a map A / B square (including 20 heavy property groups and 20 regional environmental induction service of Group) in a large water investment operating companies. Because the existing sewage treatment plant project has been included in the above two fundamental phalanx company in the bag, will also qualify for the transformation into a market and then they do not need to go through the competition and made investment opportunities. Specification progress is the trend, but the country should not be one size fits all; Contact sewage agreed criteria, in accordance with the water environment capacity to push down the maximum emission concentration, the amount of waste water and other targets are ambitious approach, but difficult to carry out the weak from our water environment system, to be 7% of the economy is expected to add, just have a simple knowledge can know that the environmental capacity of the sewage treatment plant is running out for the introduction of new regulations and must become reasonable. For example, a clarity of that is mentioned in the year marked an A controversy erupted on algae in Taihu Lake has been to reduce the effect. The Government needs to invest more in environmental governance, corporate environmental costs to fall gradually complete product cost, residents must be prepared to accept the price of water gradually progress, the new normal is the future of these areas facing water. However, the current trade dispute some constructive stereotypes still should be relevant attention and focus. The first is how to prevent the norm across the board. Expectations based on detailed regional conditions on emissions targets can be adjusted, that is a difficult but frequently mentions the execution of queries. Former vice president of China's Central Bureau Xia Qing had indicated that the best way to prevent the norm across the board in theory, is based on the promise of sewage permits for emissions permit unequal rules of each sewage treatment plant. And this data comes from the water in accordance with local environmental capacity push down the maximum emission concentration, the amount of waste water and other contaminants should control objectives. This approach is difficult to perform the key. Moreover, how can the BOD secure in 6mg / L (one A is 10mg / L) or less is no easy task. The SS (suspended solids), although in the current "Surface Water Quality Specifications" did not rule, but it is difficult to expect the new emission norms in this specification level is lower than the demand for A's. I think that, after all, the introduction of the specification, it will definitely be correct on some emissions goals, four surface water will not copy specifications. Also, the specification will bear thinking after the introduction of an A previously mentioned standard practice in some of the goals set in the questions presented. In addition, Beijing has been a large-scale practice, sewage treatment plant effluent reaches the surface water in the four skills can be completed, the fundamental question is not already there. Film skills to carry out today, all of the skills of the controversy, derived in the end, nothing less than the fall "capital" of the word. Specification of progress, it will undoubtedly move to carry our share of environmental industries. It is worth noting that, because the skills even more cluttered, the demand for specialized operations will be higher, professional service of the third party will find opportunities here. Another positive effect of the occupation by the E20 Industrial Research Institute released a map A / B square (including 20 heavy property groups and 20 regional environmental induction service of Group) in a large water investment operating companies. Because the existing sewage treatment plant project has been included in the above two fundamental phalanx company in the bag, will also qualify for the transformation into a market and then they do not need to go through the competition and made investment opportunities. Specification progress is the trend, but the country should not be one size fits all; Contact sewage agreed criteria, in accordance with the water environment capacity to push down the maximum emission concentration, the amount of waste water and other targets are ambitious approach, but difficult to carry out the weak from our water environment system, to be 7% of the economy is expected to add, just have a simple knowledge can know that the environmental capacity of the sewage treatment plant is running out for the introduction of new regulations and must become reasonable. For example, a clarity of that is mentioned in the year marked an A controversy erupted on algae in Taihu Lake has been to reduce the effect. The Government needs to invest more in environmental governance, corporate environmental costs to fall gradually complete product cost, residents must be prepared to accept the price of water gradually progress, the new normal is the future of these areas facing water. However, the current trade dispute some constructive stereotypes still should be relevant attention and focus. The first is how to prevent the norm across the board. Expectations based on detailed regional conditions on emissions targets can be adjusted, that is a difficult but frequently mentions the execution of queries. Former vice president of China's Central Bureau Xia Qing had indicated that the best way to prevent the norm across the board in theory, is based on the promise of sewage permits for emissions permit unequal rules of each sewage treatment plant. And this data comes from the water in accordance with local environmental capacity push down the maximum emission concentration, the amount of waste water and other contaminants should control objectives. This approach is difficult to perform the key. COD <30mg / L (50 mg / L) on the existing sewage treatment mainstream skills are very difficult to reach a goal, to reach this specification will touch a lot of questions about the reality. First, water biodegradable COD is an important factor about these difficult biodegradable COD or oxidation with ozone and other high-skill oxidation of readily biodegradable COD, perhaps activated carbon adsorption, sewage treatment works such investment will significantly add. In fact, a stable operation of the activated sludge wastewater treatment plant effluent COD overwhelming some already difficult biodegradable, and will not have much impact on the environment, it will not significantly consume dissolved oxygen water. BOD <6mg / L (10 mg / L) on to activated sludge sewage treatment day skill-based skills is not difficult to reach this goal, but to secure, and easy access to year-round, some of the biological treatment process to shake this target would be affected. TN <1.5mg / L (15 mg / L) to an existing wastewater treatment skill unless all RO skills, otherwise difficult to complete. Ammonia <1.5mg / L (5 mg / L) per day of ammonia less than 1.5mg / L needs large enough tank volume, the amount of demand for the aeration of large enough, or is simply beyond the 1.5mg / L. Sewage treatment plant influent nitrogen load in time, let the sewage treatment plant rules erase these peaceful days, the water has been lower than 1.5mg / L, investment and operation of energy consumption will significantly progress. Total phosphorus <0.3mg / L (0.5 mg / L) which on some sensitive water body is very meaningful, some of the sewage treatment plant into the Nordic Baltic specifications similar. Total phosphorus less than 0.3mg / L means that all of the chemical phosphorus removal, and a lot of drug administration. On TP this goal, 0.3mg / L and 0.5mg different / L is very big.


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