Results 111 to 120 of about 477,312 (149)
[Progress in the application of preparative gas chromatography in separating volatile compounds]. [PDF]
Mayira A, Zhong Z, Bai X.
europepmc +1 more source
针对煤气化过程形成的废水量大、成分复杂、污染物含量较高,且因煤种、气化工艺不同而成分变化,处理难度很大的特点,研究采用冷冻浓缩技术对Texaco和Lurgi法气化废水进行处理。结果表明,采用冷冻浓缩技术可以将气化废水中的有机物和无机物基本脱除,产水的COD不超过10mg/L,COD和电导率符合HG/T3923-2007循环冷却水用再生水水质标准,不易受进水中钙离子含量的影响。处理Texaco和Lurgi气化废水的产水率分别超过90%和95%,可显著提高废水回用率,并降低废水处理量 ...
吴二飞 +5 more
core
[Construction of a 17β-estradiol sensor based on a magnetic graphene oxide/aptamer separating material]. [PDF]
Jin XY +4 more
europepmc +1 more source
[Effects of tensile force on the vascular lumen formation in three-dimensional printed tissue]. [PDF]
Gu C +9 more
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本发明涉及废水处理工艺,属于环境保护和难降工业废水处理领域,具体涉及一种处理焦化废水的工艺,提供一种有效处理难降解焦化废水的工艺,使出水的COD和NH3-N等指标能够同时达到国家规定的排放标准 ...
刘冰 +4 more
core
研究了3株不同高效石油降解菌株用于序批式活性污泥法(SBR)处理含油废水的效果。结果表明,投加菌液苍白杆菌FP1、假单胞菌X1、红平红球菌KB1的SBR,COD平均去除率分别为90.8%、92.8%、98.2%;石油类物质平均去除率分别为79.1%、80.0%、92.8%;NH4+-N平均去除率分别为87.5%、91.4%、94.7%;TP平均去除率分别为23.8%、30.9%、44.4%。与未投加石油降解菌相比,投加石油降解菌株能显著提高SBR对含油废水中各污染物的去除效率,同时系统运行稳定 ...
李倩 +4 more
doaj
[Exposure characteristics of monohydroxypolycyclic aromatic hydrocarbons and influencing factors in urban residents]. [PDF]
Fu H, Lu YF, Xie LN, Zhu Y, Li Z, Hu XJ.
europepmc +1 more source
[Simultaneous determination of saturated and aromatic hydrocarbons in soil by on-line high performance liquid chromatography-gas chromatography]. [PDF]
Liu L, Li B, Wu Y.
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采用矿物油制备初始pH=7.9、油质量浓度为200 mg/L的模拟含油废水,通过微纳米气泡强化气浮工艺对其进行处理,系统研究了微纳米气泡制备条件及含油废水pH、含盐量对气浮除油效果的影响,并探究微纳米气泡性质与气浮除油效果的相关性。结果表明,在气体流量300 mL/min、溶气压力0.6 MPa条件下微纳米气泡发生装置产生的微纳米气泡对含油废水的处理效果最佳,除油率可达90.8%;废水pH对气浮效果有重要影响,其通过改变微纳米气泡的Zeta电位影响气泡的聚并以及与油滴的附着行为,进而影响气浮效果 ...
刘松涛 +5 more
doaj
[Application progress of hypercrosslinked porous organic polymers in cartridge-based solid phase extraction]. [PDF]
Qin TT, Gao L, Zhao WJ.
europepmc +1 more source

