整套工艺基本不耗水，无二次污染。
The whole process basically needs no water and leads to no secondary pollution.
干式磁选，节约水资源，无二次污染。
Dry magnetic separation, water saving, no secondary pollution.
该法净化效率高，无二次污染，操作简单、方便。
The results show that this method is characterised by high purification efficency, no second pollution and easy operation.
此工艺操作方便、运转费用低，且无二次污染产生。
This processes have been low operational cost, simple operation and not to produce second pollution.
无二次污染：不需添加絮凝剂，化学氧化剂，无二次污染。
No secondary pollution, no need to add flocculant, chemical oxidant and no secondary pollution.
污泥型煤无二次污染，其气化成分符合合成氨原料气的要求。
Results showed that no pollution took place in these processes, and the gas generated can meet the demand of ammonia synthesis.
在臭氧制造行业，该技术真正实现了无毒、无害、无二次污染。
In ozone producing industry, this technology really realizes innocuousness and harmlessness without secondary pollution.
该工艺具有处理量大，回收率高，产品质量好，无二次污染等优点。
The process has the advantages of large throughput, high recovery rate and good product quality without secondary pollution.
微生物处理是一种费用低，效果好，无二次污染且操作简单的处理方法。
Microorganism treatment is a method of low cost, high efficiency and pollution free.
利用微生物降解的方法处理含酚废水是一种经济有效且无二次污染的方法。
It is economic and effective that using the method of microorganism biodegradation to treat with phenol wastewater. And it has not second pollution too.
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 advantages of this technology are simple process flow, compact installation, no secondary pollution, low cost and wide range of application, etc.
在环境分析中，SFE能够减少试样用量、缩短试样处理时间，且无二次污染。
Applying SFE in the analysis of environment can make reduction of sample dosage, shortening the sample treatment period and no second pollution.
与传统工艺相比，采用该方法具有净化效率高、无二次污染、运行成本低的优点。
Compared to traditional technology, this technology has the advantages of high purification efficiency, no residual waste generation, and low maintenance costs.
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。
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.
本发明涉及工业有机废气回收工艺，特别是涉及一种无二次污染的有机废气处理方法。
The invention relates to a recovery technology of industrial organic waste gas, in particular to an organic waste gas processing method without secondary pollution.
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 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 %.
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 trials show the cement retarding agent acceptable at lower energy consumption, lower cost and no secondary pollution.
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。
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.
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 trials show the cement retarder acceptable at lower energy consumption, lower cost and no secondary pollution.
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。
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.
光催化降解有机污染物工艺简单，成本较低，无二次污染，是最有希望的环境友好新技术。
Photo degradation of organic contaminant perhaps is the most prospective environmental purification technology due to its low cost, without secondary pollution and ease of processing.
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。
Of all the methods of degradating phenolic compounds, biodegradation has been a main trend because of its low cost and no secondary pollution.
生物修复技术成本低、处理效果好、无二次污染，广泛应用于土壤和天然水体的污染治理。
Bioremediation has more and more extensive application in dealing with the pollution of soil and natural water because of its low cost and good effect.
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。
Because photocatalysis has the advantages of simple process, no secondary pollution, and absolutely mineralization, it becomes an effective way to degradation dye wastewater.
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。
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.
此外，该打扫设备在打扫过程中无二次污染，便利与现有的其他设备进行组合运用，便于推行。
In addition, the cleaning device in a cleaning process of no two pollution, convenience and other existing equipment used in combination, convenient popularization.
催化加氢还原硝酸盐生成氮气具有高效、无二次污染等特点，是一种应用前景良好的脱氮技术。
The catalytic hydrogenization process offers a practical approach to remove nitrate from water due to the high efficiency and the benefit free from secondary pollution.
本实用新型除硫和除微尘效果好，节省改造时间和资金，废水送到排渣机既节约用水又无二次污染。
The utility model has favorable effect on desulfurizing and removing dust, reforming time saving, cost saving, water saving and no secondary pollution, and waste water can be sent to a slag extractor.
近几年，为了解决环境问题，可生物降解、无毒无害、无二次污染的微生物絮凝剂受到人们的广泛关注。
In recent years, to solve some environmental issues, microbial flocculants have been involved widely due to their some advantages such as easy-biodegradation, innocuity and non-secondary pollution.
近几年，为了解决环境问题，可生物降解、无毒无害、无二次污染的微生物絮凝剂受到人们的广泛关注。
In recent years, to solve some environmental issues, microbial flocculants have been involved widely due to their some advantages such as easy-biodegradation, innocuity and non-secondary pollution.
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