wastewater discharge standard

with the combined treatment by pfc coagulation and kc-87 adsorption at the optimal conditions, the total cod removal efficiency reached 97.4%, and the treated wastewater reached the first-class level of the integrated wastewater discharge standard.

经PFC化学混凝和KC87活性炭吸附组合工艺处理后，废水COD总去除率达到97.4%，其他污染物也得到了明显的去除，使得最终出水达到了国家废水综合排放标准一级水平。

Oil extraction wastewater treated by oil removal-chemical break-emulsification coagulation-sand filtration process, removal rate of COD oil could reach above 85% 95% respectively, COD in purified water could not attain to national standard of discharge, but oil concentration could attain to national standard of discharge;

经过隔油-破乳絮凝-砂滤处理后，COD和油去除率分别达到85%和95%以上，COD没有达到排放标准，油达到了排放标准；

the test shows the treated water produced comes to the secondary effluent standard of integrated wastewater discharge standard allowing to be discharged or reused at the well site.

试验表明：处理后出水达到国家综合污水二级排放标准，可以排放或回用于井场。

The utility model aims at providing an improved flat barrel filter element capable of making the sewage filtered by the filter element reach Integrated Wastewater Discharge Standard of the state.

其目的是提供一种改进的平筒滤芯，使经其过滤的污水达到国家规定的《污水综合排放标准》。

When the effluent has no request of reclamation and reuse, it runs as CASS, the effluent reach the demand quality of integrated wastewater discharge standard ( GB18918-2002, grade 1) and some low water quality standard for miscellaneous water consumption.

当出水无回用要求时，处理设施可按照CASS工艺运行，出水水质要求满足污水综合排放标准中的一级标准和部分低杂用水水质标准。

The operational results show only if controlling the work conditions of ammonia still and the pH of wastewater, ammonia still has high treatment effect on NH_3-N removal, the effluent quality reaches the secondary criteria specified in Integrated Wastewater Discharge Standard ( GB 8978-1996).

运行结果表明只要控制好蒸氨塔的操作条件和废水的pH值，对NH3-N可达到较高的去除效率，出水水质可以达到《污水综合排放标准》。

Every effluent water quality index can satisfy the secondary standard of the integrated wastewater discharge standard ( GB8978-1996).

各出水指标基本都可以达到污水综合排放标准（GB9878-1996）的二级标准。

after the modification, the wastewater stripping system runs stably, the torch is extinguished, the treatment capacity is increased and the treatment cost is decreased. the final effluent can meet the first grade standard of integrated wastewater discharge standard.

改造后，废水汽提系统运行平稳，同时熄灭了火炬，增大了废水处理能量，节约了废水处理成本，总排口废水水质达到国家一级排放标准。

Piggery wastewater is heavy concentration organic wastewater, after anaerobic fermentation treatment, the most of organic pollutants in piggery wastewater has been removed, but it's difficult to be up to the discharge standard.

猪场废水属于高浓度有机废水，大多数猪场废水经过厌氧发酵后，其大部分有机污染物得到了去除，但很少能达标排放。人们在这方面开展了许多研究，均不能根本解决这一问题。

The practical result proves that this new method can ensure the concentration of fluorinion of the treated water agree with the second-class limit of Integrated Wastewater Discharge Standard ( DB31/ 199-1997) in Shanghai.

实践表明，采用本处理技术，能确保出水水质氟离子浓度达到上海市《污水综合排放标准》（DB31/199-1997）的二级标准，即F-浓度≤10mg/L。

An Exploratory Analysis of the Ways to Make the Discharge of Wastewater from Xuan Paper Production Meet Standard

宣纸废水达标排放的途径探析

The treated wastewater can meet the requirements of standard III of the comprehensive wastewater discharge standard ( GB9878-1996) when the reaction time is 30 minutes at 300 ℃ or reaction time is 60 minutes at 280 ℃.

在300℃下反应30min或在280℃下反应60min，处理水可达到污水综合排放标准GB9878-1996的三级标准。

Applying the submerged membrane bioreactor on the treatment of municipal sewage can improve effluent quality to meet more and more strict integrated wastewater discharge standard.

用一体式膜生物反应器处理城市污水，可以提高出水的水质，满足日益严格的污水排放标准，解决城市污水污染环境的问题。

Qingzang railway lies in Qingzang highland, where environment is vulnerable, and wastewater discharge standard is strict.

青藏线地处青藏高原, 生态环境十分脆弱, 污水排放要求高.

abided by low energy-consumption, low maintaining expense and the integrated wastewater discharge standard, cass process is selected here'to perform a modification with new-innovated aerator in place of fan and matched pipe.

结合工程实践，遵循低能耗、低维护费用和达标排放的原则，选择了CASS技术进行设备改进，以新研制的导流曝气机替代传统鼓风曝气机。

When the reaction time is 10 minutes at 360 ℃, the quality of the treated wastewater can meet the specification for grade 1 in Integrated Wastewater Discharge Standard ( GB 8978-1996).

在360℃下反应10min，处理水可达到《污水综合排放标准》GB9878-1996的一级标准。

In addition, the SBR technics can adjust the operation patterns on the basis of the different drainage ways of the wastewater, and so the treated water can meet the grade one of Integrate Wastewater Discharge Standard and the Standards for Irrigation Water Quality.

另外，本工艺可根据污水不同的出路，调整运行方式，使出水达到污水综合一级排放标准和农田灌溉水质标准。