Results 11 to 20 of about 1,638,481 (127)
Gongye shui chuli, 2019 为避免造成水体富营养化，污水排放前必须进行脱氮除磷处理。与传统技术相比，新型同步脱氮除磷技术具有能耗低、占地小等特点，是污水处理领域中新的工程应用方向。介绍了生物法、物理化学法、生物电化学法和生物诱导矿化法4类同步脱氮除磷技术的原理、特点及影响因素。其中，生物诱导矿化法作为新型的生物-矿物结晶耦合处理技术，在降低运行成本和磷资源回收方面具有较大的优势，成为污水脱氮除磷领域的研究热点。
林岚, 张彦隆, 曹文志, 欧阳通
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Gongye shui chuli, 2014 脱氮效率不高一直是困扰人工湿地应用的问题之一，如何强化人工湿地脱氮已成为近年来的研究热点。人工湿地对于氮的去除作用主要有氮的挥发、水生植物的吸收、基质的吸附、沉淀以及微生物的硝化与反硝化作用，也发现了一些新的脱氮途径，如短程硝化反硝化、同步硝化反硝化等。从湿地结构改进、运行方式优化、建立湿地组合系统、基质优选、植物筛选、微生物调控等方面详细论述了人工湿地强化脱氮措施及净化效果，以期为人工湿地技术优化与工程应用提供参考。
陶敏, 贺锋, 王敏, 吴振斌
doaj +5 more sources
, 2014 生物燃气具有清洁、高效、安全和可再生四大特征,在替代和补充天然气方面具有巨大潜力,正成为我国新能源战略的拓展方向之一. 生物燃气的高值利用是推进产业化应用的重点,脱硫环节直接影响设备运行、产品品质和工程质量. 与传统的脱硫工艺相比,生物脱硫具有效率高、无二次污染、处理成本低等优点,是新的研发热点和产业化应用方向之一.
孔晓英 +4 more
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Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Composite materials hold significant potential for abrasive sealing, yet composite materials used for abrasive sealing fall short in service durability under extreme environments. Here, a controllable strategy for adjusting pore structure is proposed, aiming to design a YSZ(ESP)/BN@ZrO2‐polyester coating with hybrid micron/nanometer ...
Shuang Yu +8 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Piezocatalytic technology utilizes mechanical strain or stress‐induced piezoelectric phenomena to produce robust internal electric fields, markedly improving the separation efficiency of e−‐h+ pairs. This method has emerged as a focal point in catalysis by removing reliance on conventional light or electrical energy via its mechanical‐to ...
Yue Zhou +5 more
wiley +1 more source
A Review on Cu‐Based Catalysts for Dehydrogenation of Chemical Hydrides
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Hydrogen (H2) plays a crucial part in the building of clean and sustainable energy systems due to its advantages of being renewable, clean, and pollution‐free. Nevertheless, the secure and effective production‐storage‐transportation of H2 presents critical challenges.
Yixing Luo +6 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Formic acid (FA) is considered to be a safe and convenient hydrogen source; however, achieving controlled and efficient FA dehydrogenation under mild conditions using stable solid catalysts remains a significant challenge. Pd‐based catalysts have been extensively studied due to their superior catalytic activity to other metal catalysts.
Shuai Wei +10 more
wiley +1 more source
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Metal sulfide, as a type of lithium/sodium‐ion battery material, possesses merits such as high capacity and low cost. Nevertheless, it is prone to structural changes during the cycling process, leading to volume changes and affecting electrochemical performance.
Wenjin Qin +7 more
wiley +1 more source
, 2004 与传统的硝化—反硝化氨氮废水脱氮方法相比,短程硝化—反硝化和同时硝化—反硝化都是近年来研究开发的新型生物脱氮工艺,具有能耗低、运行时间短、氮去除效率高等特点。结合国内外废水生物脱氮的研究现状,系统综述了短程硝化—反硝化和同时硝化—反硝化两种新工艺的研究进展,并深入讨论了短程硝化 ...
郑杨春, 邓旭
core
Gongye shui chuli, 2006 综述了膜生物反应器的同步脱氮除磷工艺，介绍了影响膜生物反应器同步脱氮除磷效率的几个因素，探讨了同步脱氮除磷工艺中同时脱氮除磷的机理，并在此基础上提出了研究方向和应用前景。
刘爱萍 +3 more
doaj +2 more sources