Dry magnetic separation, water saving, no secondary pollution.
干式磁选，节约水资源，无二次污染。
The whole process basically needs no water and leads to no secondary pollution.
整套工艺基本不耗水，无二次污染。
No secondary pollution, no need to add flocculant, chemical oxidant and no secondary pollution.
无二次污染：不需添加絮凝剂，化学氧化剂，无二次污染。
With no secondary pollution, low energy consumption, can be recycled, wastewater reuse, etc directly.
具有不产生二次污染、能耗低、可循环使用、废水可直接回用等特点。
The trials show the cement retarder acceptable at lower energy consumption, lower cost and no secondary pollution.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
The invention has the advantages of simple operation, low energy consumption, low cost and no secondary pollution.
本发明操作简单，能耗少，成本低，不产生二次污染。
The trials show the cement retarding agent acceptable at lower energy consumption, lower cost and no secondary pollution.
试验表明，该新工艺可生产出合格水泥缓凝剂产品，并且能耗低，成本低，无二次污染。
Non-thermal plasma technology has promising prospects with the advantages of high efficiency, low cost and no secondary pollution.
低温等离子体技术具有处理效率高、成本低、不产生二次污染等优势，具有较好的应用前景。
Of all the methods of degradating phenolic compounds, biodegradation has been a main trend because of its low cost and no secondary pollution.
在众多的治理方法中，生物法具有成本低、无二次污染等特点而成为含酚废水处理的主流。
When exposed to the air for more than 60 days, the product will turn into water with oxygen molecules and there will be no secondary pollution.
产品放置于自然环境中，60日后与氧分子结合又自动转化成清水，不会造成二次污染。
The advantages of this technology are simple process flow, compact installation, no secondary pollution, low cost and wide range of application, etc.
该技术具有流程简单、占地面积小、无二次污染、费用低、应用范围广等特点。
The invention makes full use of valuable ingredient, with no secondary pollution, secondary pollution, low cost and high-purity material finished product.
本发明将酸洗液中有价成分完全利用，无二次污染，环保，降本，终产品纯度高。
Compared to general disinfectants Ozone has quick sterilization speed, it will cause no secondary pollution and it has no remnants of any harmful substances.
臭氧与一般的杀菌消毒剂相比，它杀菌速度快，没有二次污染，不残存任何有害物质。
There were no apparent different effects between using ferrous sulfate and using ferrous ammonium sulfate, the former was much cheaper and no secondary pollution.
用硫酸亚铁的效果与用硫酸亚铁胺的效果相差不大，且前者价格便宜，使用中不会造成二次污染；
In recent years, biosorption is an emerging technology to remove metals from solution, with its rich source of raw materials, low cost and no secondary pollution.
生物吸附法是近年来新兴的一种水处理方法，有原料来源丰富，成本低，无二次污染等特点。
UV/H2O2 technology displays a big potential because of its advantages such as simple process, efficient oxidation, high utilization of H2O2 and no secondary pollution.
UV／H2O2技术具有工艺流程简单、氧化效率高、H2O2利用率高以及无二次污染等优势，显示出良好的发展潜力和应用前景。
The invention relates to a drinking device, which belongs to the technical field of drinking fountains, in particular to a drinking device with no secondary pollution.
本发明的饮水装置，属于饮水机技术领域，尤其是没有二次污染的饮水装置。
More and more attention is paid to microfauna preying for sludge reduction because of characteristics such as low power consumption, low cost and no secondary pollution.
利用微型动物捕食进行污泥减量以其低能耗，低成本且无二次污染的特点备受关注。
Experimental results have shown that this method can treat waste acid effectively, and has the advantages of easy operation, no secondary pollution and good economic benefit.
实验表明该法处理废酸的效果良好，并具有操作简单、无二次污染和经济效益好等优点。
In sludge disintegration technologies related to enhanced cryptic growth, ozonation has high disintegration efficiency with low energy consumption and no secondary pollution.
在通过强化隐性生长实现污泥减量的各种污泥破解技术中，臭氧氧化技术具有破解效率高、能耗低、不易造成二次污染等特点。
Because photocatalysis has the advantages of simple process, no secondary pollution, and absolutely mineralization, it becomes an effective way to degradation dye wastewater.
光催化技术因具有工艺简单、无二次污染、矿化彻底等优点，成为染料废水降解的有效途径。
Food wastewater caused growing pollution, while the microbial treatment technology had no secondary pollution, dealing with low cost has received widespread attention by people.
餐饮废水所造成的环境污染日益严重，而微生物治理技术具有无二次污染、以及处理成本低等特点，受到人们的广泛关注。
Test shows that the waste acid treatment with the calcining process has the advantages of good result, simple operation, no secondary pollution, better economic benefit and so on.
试验表明：该法处理废酸的效果良好，并具有操作简单、无二次污染和经济效益好等优点。
The utility model has the advantages of high efficiency, simple structure, energy saving, water source saving and no secondary pollution, and dust removing efficiency can reach 98 %.
本实用新型效率高、结构简单、节省能源和水源，无二次污染。除尘效率可达98%。
The method has the advantages of low cost, no damage to physicochemical property of the soil, no secondary pollution, and simultaneous production and treatment in the pollution soil.
本发明方法具有费用低，不破坏土壤的理化性质，无二次污染，且具有在污染土壤中边生产、边治理等优点。
Electrochemical oxidation technology was highly emphasized by domestic and international researchers for its multifunction, more facility, easily automated and no secondary pollution.
电化学水处理技术因其具有多功能性、高度的灵活性、易于自动化、无二次污染等特点倍受国内外研究者的重视。
The invention has the advantages of lower cost, good treatment effect to water obstruction scales with high hardness and high silicon content and no secondary pollution to a film system.
本发明有益效果为：成本较低、对高硬度、高硅含量的水阻垢处理效果好、对膜系统不会造成二次污染。
Biodesulfurization through microbial role will be transformed into single-sulfide to sulfur removal quality, low running cost, no secondary pollution, have great prospects for development.
生物脱硫通过微生物的作用，将硫化物转化成单质硫予以脱除，具有运行成本低和无二次污染的特点，有着极好的发展前景。
The device consisted not only particulate structure and full processing of desulfurization with stability performance but also has no secondary pollution with low running cost and high rotproofness.
其特点为结构独特、脱硫工艺流程完整，技术性能稳定，运行可靠，脱硫成本低，防腐蚀性能强，无二次污染。
The device consisted not only particulate structure and full processing of desulfurization with stability performance but also has no secondary pollution with low running cost and high rotproofness.
其特点为结构独特、脱硫工艺流程完整，技术性能稳定，运行可靠，脱硫成本低，防腐蚀性能强，无二次污染。
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