Zimbro (Juniperus communis L.) as a Promising Source of Bioactive Compounds and Biomedical Activities: A Review on Recent Trends

Plant-derived products and their extracted compounds have been used in folk medicine since early times. Zimbro or common juniper (Juniperus communis) is traditionally used to treat renal suppression, acute and chronic cystitis, bladder catarrh, albuminuria, leucorrhea, and amenorrhea. These uses are mainly attributed to its bioactive composition, which is very rich in phenolics, terpenoids, organic acids, alkaloids, and volatile compounds. In the last few years, several studies have analyzed the huge potential of this evergreen shrub, describing a wide range of activities with relevance in different biomedical discipline areas, namely antimicrobial potential against human pathogens and foodborne microorganisms, notorious antioxidant and anti-inflammatory activities, antidiabetic, antihypercholesterolemic and antihyperlipidemic effects, and neuroprotective action, as well as antiproliferative ability against cancer cells and the ability to activate inductive hepato-, renal- and gastroprotective mechanisms. Owing to these promising activities, extracts and bioactive compounds of juniper could be useful for the development of new pharmacological applications in the treatment of several acute and chronic human diseases.     

处理污水时膜污染问题的试验研究

根据膜生物反应器中膜污染的几种类型,分析了膜污染形成机理及影响因素,并总结了几种防止和处理膜污染的方法。     

农村污水处理中的主要难点与对策分析

农村污水的处理涉及建设与运营两方面的工作,具有专业性和复杂性的特点。本文先从污水收集系统建设、污水收集管网建设、污水处理技术及污水处理投入资金四个方面来分析论述农村污水处理中的主要难点,进而提出针对性的优化对策,最后论述了农村污水处理的未来探索思路与方向。     

生物填料塔处理餐厅污水的研究

分别以自行开发的组合型填料和焦炭作为生物载体构成的生物填料塔对餐厅污水处理进行了试验研究 ,试验考察了污水入塔COD值对塔中DO的影响 ,观察到的结果表明 :长期在高入塔COD下运行对生物膜系统的持久、稳定不利 ;水力停留时间取 3～ 4h ,COD的容积去除负荷约为 4kg/ (m3 ·h)时 ,出水既可达标又可保持较高的处理能力 ;鼓风曝气时 ,气水比取 8～ 12可使出水达标 ,而功耗较低 ;在相同的微生物系统和操作条件下 ,布水布气性好的组合填料处理效果高于布水布气性差的焦炭     

Synthetic biological system construction and green intelligent biological manufacturing

The production of chemicals in microbial cell factories is one of the effective ways to solve energy and environmental problems. Many chemical products have been produced by synthetic biology, but production ability and robustness of the strains still needs to been improved. Development of intelligent cell factory and realizing intelligent biological manufacturing is an important approach to improve the production and robustness. This review introduces the research status of intelligent biological manufacturing from five following aspects: protein design, biosensor, metabolism regulation, strain evolution and fermentation process. The development of biological “intelligence” will make an important contribution to improving the production level of industrial biological processes and process energy saving and emission reduction.     

饮用水中AOC测定的优化与改进

论文对目前可同化有机碳(AOC)测定方法中存在的检测时间长、效率低、前后接种测定值大于实际值,检测过程复杂等问题进行了部分改进。实验结果表明:采用接种温度28℃,接种液量30mL,接种时间P17:40h、NOX:60h,AOC-NOX修正值计算公式:y=0.1337x 7.9414,可使测定方法在时间上缩短1d,消除了缺氧和差值两个误差,试验结果更加准确。     

污泥消化液旁侧生物处理技术发展现状

对于有污泥厌氧消化系统的污水处理厂,传统方法将污泥消化液直接回流到污水厂处理工艺前端.由于污泥消化液氨氖浓度高,C/N比低,旁侧处理后再回流到污水厂主反应区,可以节省投资和运行费用,提高污水厂脱氮效果.因此单独处理污泥消化液是常规工艺的有效补充.本文分析归纳了污泥消化液旁侧处理的必要性,阐述了目前各种消化液处理技术的优缺点和实际应用情况,并提出污泥消化液旁侧生物处理技术的发展趋势.     

粉煤灰与凹土复合生物滤料的制备及挂膜应用研究

曝气生物滤池(BAF)是90年代初兴起的一种主要以生活污水处理为主的工艺,滤料的研究和开发是BAF工艺的关键.利用粉煤灰和凹土制备了复合生物滤料,对复合滤料进行了X射线能谱仪分析、SEM分析及孔径分布分析,并对复合滤料进行了挂膜试验,COD和NH3-N去除分别达到82%和83%,所制备的复合生物滤料性能良好.     

高浓度成衣水洗染色废水的处理

采用混凝沉淀-水解-接触氧化-气浮-沉淀工艺处理高浓度成衣水洗染色废水,设计规模为6000m^3／d。处理后,CODcr、BOD5、SS和色度的去除率分别达到92．6％、94．2％、90．4％、94．6％,总排放口水质：pH=7．07,CODcr=93mg／L,BOD5=22．8mg／L,SS=50mg／L,色度为16倍。     

氧化混凝-生物铁法-二段生物接触氧化法处理环氧树脂废水的研究

采用氧化混凝-生物铁法-二段生物接触氧化法处理CODcr3800～10000 mg/L、Cl-浓度2 %～2.5 %的高浓度高盐分环氧树脂混合废水.研究表明采用氧化混凝预处理,分步投加硫酸亚铁,当第一次投加250 mg/L,第二投加1200 mg/L时,CODcr去除率达35 %～60 %,废水CODcr降为2500～4000 mg/L;在生物铁反应器污泥负荷达1.7 kgCODcr/(kgMLSS*d)时,CODcr去除率81.0 %;当二段生物接触氧化法水力停留时间10 h时,CODcr去除率达87.6 %,最终出水CODcr降至100 mg/L以下,达到GB8978一级排放标准.