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- The test status of calcium removal of carbide slag supernatant and sulfur and phosphorus removal of waste water was introduced. 介绍了电石渣上清液除钙及工艺废水除硫、磷的试验工作。
- Carbon and sulfur and phosphorus are allotropic elements. 碳、硫磺和磷是同素异形元素。
- Feasibility test on calcium removal of carbide slag supernatant and sulfur and phosphorus removal of sodium hypochlorite waste water 电石渣上清液除钙,次钠工艺废水除硫磷项目的可行性试验
- sulfur and phosphorus removal 除硫磷
- Hexahydroxy N-containing heterocyclic compound without sulfur and phosphorus was synthesized and its structure was characterized. 合成了无硫、磷的六元含氮杂环化合物添加剂。
- Six-way valve with three loops for auto introduction of sample and flame photometry detector (FPD) having satisfactory selectivity for sulfur and phosphorus were used. 采用能自动进样的六通阀和对硫磷有选择性的FPD检测器，色谱峰面积与硫化合物含量存在很好的双对数线性关系。
- It is an advanced technique of municipal wastewater, organic industry wastewater treatment and phosphorus removal in wastewater. 这是一种城市污水处理、有机工业废水处理和污水除磷的先进技术。
- Simultaneous nitrogen and phosphorus removal from wastewater was investigated in SBR operated in anaerobic/aerobic/anoxic(AOA)mode. 借助SBR反应器,通过采用厌氧/好氧/缺氧(AOA)的运行方式来实现同步脱氮除磷。
- Biological technology of denitrification and phosphorus removal has been focused on in wastewater treatment field in recent years. 生物脱氮除磷技术一直是污水处理领域所关注的重点。
- In order to decrease the dosage of additive package for gear oil, the service performance of the sulfur and phosphorus contained additive and its synergistic effect with the auxiliaries were studied. 为解决通用齿轮油复合剂加剂量偏高的问题，在实验室研究了含硫添加剂、含磷添加剂的使用性能以及它们与辅助添加剂的复合效应。
- The biological nitrogen and phosphorus removal effect and characteristics of SBR process in the treatment of sludge water from WWTP were investigated. 考察了采用SBR工艺处理城市污水厂污泥水的脱氮除磷效果及其特性。
- Nitrogen and phosphorus removal mechanism in subsurface wastewater infiltration system treating domestic wastewater was studied. 对地下渗滤系统处理生活污水的氮磷去除机理进行了研究。
- Because natural gas does not contain such pernicious impurities as ash content, sulfur and phosphorus, the production efficiency and the iron and steel quality can be greatly improved. 由于天然气不含灰分、硫、磷等有害杂质，从而大大提高了生产效率和钢铁质量。
- The main removal mechanism of ammonia-N was nitrification, assimilation of algae and volatilization, and phosphorus removal was mainly depended on precipitation. 冬季水力停留时间的延长对保障系统的整体运行效果是有效的。
- The mechanism of biological denitrification and phosphorus removal is briefly analyzed in this paper,and several new effective and practical processes are also introduced. 对污水的生物法脱氮除磷机理作了简要的分析,并介绍了几种高效、经济、实用的生物脱氮除磷新工艺。
- In treating of municipal wastewater,a experiment was carried out to study the influent parameters for nitrogen and phosphorus removal by the Anaerobic/ aerobic /Oxic MBR. 采用厌氧/缺氧池/好氧MBR工艺处理模拟的城市生活污水,就系统主要的运行参数对氮磷去除的影响进行了研究。
- Sewage treatment by improved ICEAS process was carried out at low temperature; the effect of organics, nitrogen and phosphorus removal by improved ICEAS process was investigated . 采用改良型ICEAS工艺进行低温污水处理,考察了低温条件下改良型ICEAS工艺去除有机物及脱氮除磷的效果。
- The sequencing batch reactor of nitrogen and phosphorus removal was summarized.Introduce class and new kind sequencing batch reactor,development of SBR process. 总结了SBR法脱氮除磷的研究进展,归纳了经典及新型SBR工艺的特点,SBR法的发展前途。
- The phosphorus concentration of the sludges was>6%,and phosphorus removal factor was about 0.04, which was two times higher than that of the resular aerobic biological treatment. 污泥含磷量达6%25以上、除磷系数达0．04左右，是常规好氧生物处理的3倍。在系统除磷系数相同的条件下，进水碳磷比越高，磷的去除率越高。
- sulfur and phosphorus accumulation 循环
