混凝气浮-过滤工艺处理机械加工废水的生产性试验研究

采用混凝气浮-过滤为主体工艺，对哈轴集团一厂区的生产废水进行了生产性试验研究。试验结果表明：在进水COD和油类分别为400mg／L和200mg／L的情况下，出水水质分别达到了60mg／L和10mg／L，去除率高达85％和95％。经济分析表明：废水的运行成本为1．4元／t，具有显著的经济效益。     

离子交换法选择性回收污泥厌氧消化液中的磷

为探讨高效选择性回收污泥厌氧消化液中磷的离子交换方法,采用静态实验和动态实验研究了4种阴离子交换树脂（D213、D202、D301和DSQ）的磷回收性能,筛选了适合富磷污泥厌氧消化液选择性磷回收的高交换容量树脂。实验结果表明,D213、D202、D301和DSQ 4种树脂对正磷浓度为70 mg/L的厌氧消化液进行动态处理时,其最大穿透体积分别为3、7、17和90 BV;DSQ树脂磷交换容量远高于其他3种树脂,达到6 860 mg P/L湿树脂,是目前报道的高磷交换容量树脂的3~4倍;DSQ树脂能有效地抵抗厌氧消化液中有机质和硫酸根等阴离子的干扰;用NaOH溶液再生DSQ树脂并回收磷,磷洗脱率超过96%,洗脱液是高浓度含磷液,可作为磷矿石的优质替代品。研究表明,DSQ树脂是一种高效选择性分离磷的树脂,适用于污泥厌氧消化液的磷回收。     

硫磺回收装置标定及分析

本文对Ⅱ套SRU的标定结果，进行了比较详细的技术分析，在此基础上，对装置及其运行状况作出了评价，并提出了一些建设。     

超临界水处理有机废物研究新进展

超临界水处理废物以通过添加氧化剂的超临界水氧化和不加氧化剂的超临界水萃取两种方式实现，超临界水氧化应用较多，与其它废物处理技术相比有显著优点。本文总结了超临界水氧化流程和反应机理，评述了添加剂，温度，压力及停留时间，催化剂等对超临界水氧化反应的影响，同时介绍了超临界水氧化和超临界水萃取的最新应用研究状况及尚需解决问题。     

Cleaning the energy sources for water heating among Nanjing households: barriers and opportunities for solar and natural gas

Energy for water heating accounts for an increasing part in residential energy demand in China. An extensive survey was conducted to analyze the determinants of household energy choices for water heaters among residents in Nanjing, China. Two sets of variables were examined as potential influences： building features and household socio-economic characteristics. Results suggest that building features such as gas availability and building structures, and household characteristics such as household head＇s education degree and energy-conserving sense are crucial determinants in choosing natural gas as water heater energy. Installation permission for solar water heater, building stories, and residential location serve as determining factors in choosing solar water heaters. Based on these, barriers and opportunities are discussed for transitions toward cleaner water heating energies, and suggestions are given for local governments to promote cleaner energy replacement in China.     

Multi-objective solid waste classification and identification model based on transfer learning method

Journal of Material Cycles and Waste Management - The rapid social development has given rise to a growing concern over environmental issues, one of which is the disposal of municipal solid waste....     

福建福鼎南溪“构造天窗”中-晚石炭世牙形刺化石的发现

采自福建福鼎南溪“构造天窗”的样品分析后获牙形刺。西部所采样品含StreptognathodusfuchenensisZhao,s.elongatusGunnell,Gondolellasp.其时代为晚石炭世晚期。原来这段地层划为下石炭统，应作修改。北部所采样品含IdiognathodusdelieatusGunnell,Neognathodusbassleri(HarrisetHollingsworth),Gondolellasp.其时代为中石炭世早期．进一步证实中石炭统地层的存在。     

生物脱氮除磷工艺好氧区硝化功能的强化试验

在活性污泥法脱氮除磷工艺系统的好氧段投放高硬度聚乙烯悬浮小球作为生物载体，可以强化系统的硝肥功能，提高处理系统的脱氮除磷效率，同时避免产生填料间污泥结团。经两套试验装置的５种工况条件下平行对照试验结果表明：好氧区全池投放聚乙烯悬浮小球，装填密度在１０％￣１５％，ＴＫＮ去除率达９８．２％，ＴＮ去除率达到８６％，ＴＰ去除率达到９１％。     

扬子鳄资源数量、价值及开发利用现状

对扬子鳄资源的经济、生态及科研价值进行合理的评价；根据扬子鳄野外及人工养殖的资源数量,论述了扬子鳄资源开发利用的现状及存在的问题,并分析了扬子鳄资源开发利用的发展对策