Results 21 to 30 of about 194,203 (237)
Effectiveness analysis of a wastewater treatment plant retrofitted by MBBR in a cold plateau region
Gongye shui chuliTo further implement environmental protection policies on the Qinghai-Tibet Plateau, a wastewater treatment plant at an altitude of 2 200 m with a capacity of 85 000 tons per day was retrofitted by moving bed biofilm reactor(MBBR) process.
LI Na, REN Qiping, FAN Hang
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A 2006 Survey of Drinking Water Microbial Quality in Rural Areas in IRAN (Limitations, Challenges, and Opportunities) [PDF]
آب و فاضلاب, 2008 In the first quarter of the year 2007, the number of rural laboratories had grown from 90 units in the year 2003 to 166 units, showing a 87.93% growth while the quality parameters in the years 2004 and 2006 increased from 90.13 to 91.43% for residual ...
Majid Ghannadi, Mohammad Reza Mohebbi
doaj
E3S Web of Conferences, 2017 The aim of the study was to determine the effect of the Actinomycetes proliferation in the activated sludge on the quality of the treated wastewater and the sewage receiver. The river which is the sewage receiver flows near the wastewater treatment plant.
Bezak-Mazur Elżbieta +3 more
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Magnetic Water Cleaning of Estrogens via Tight yet Dynamic Binding to Nanoparticles
Advanced Science, EarlyView.Micropollution is one of the big challenges humanity faces with estrogen hormones being emerging pollutants of concern. Here, a supramolecular design strategy is presented that generates a simple nano‐adsorbent material to magnetically remove low‐concentrated estrogens from water.
Lukas Müller +25 more
wiley +1 more source
Jingshui jishu【目的】膜生物反应器(MBR)工艺因其出水水质好和占地面积小等优点在城镇污水处理领域(尤其是地下污水处理厂)应用广泛，但膜材质固有缺陷引发的长期运行问题(高断丝率、膜通量衰减、出水水质波动),成为制约MBR发展的首要影响因素，且导致其工艺投资及运行成本均较高。【方法】华南地区某市政污水厂MBR运营人员通过优化工艺调控策略，将设计寿命为5年的中空纤维超滤膜的实际运行寿命延长至10年，且该批MBR出水水质优于一级A标准，并未出现明显的截留效能下降问题 ...
CHEN Zebin, ZHANG Yingyu, TANG Xia
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Technical Transactions, 2018 Contemporary area drainage dimensioning standards are presented in this paper. Hazards for drainage systems arising from climate changes are discussed and trends of changes in the precipitation structure are presented using the example of data obtained ...
Kotowski Andrzej, Nowakowska Monika
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Effect of Saline Water Irrigation and Dilution of Salts on Water Management Water in Green Pepper
Pakistan Journal of Engineering & Technology, 2021 Irrigation has an important role in food production worldwide by increasing crop quality and production. As such, the use of fresh water for agricultural or vegetable products is declining in quantity and quality over the coming decades.
Muhammad Arshad +4 more
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Porphyrin‐Based Porous Materials for Antibacterial Applications
Advanced Science, EarlyView.Porphyrin‐based porous materials have excellent photophysical properties and tunable structures for high‐efficiency antibacterial therapy. This review comprehensively discusses the structural design strategies and synthetic pathways of the four main types of porphyrin‐based porous materials, summarizes their cross‐domain antimicrobial applications, and
Xiao‐Xue Liang +4 more
wiley +1 more source
The bioavailability of cadmium from sewage sludge-amended soils. [PDF]
, 1999 PhDCadmium is a potentially toxic trace element present, at low concentrations, in a variety of environmental media. The processing of waste-waters produces sewage sludge, in which cadmium may be present at high concentrations.
Jackson, Andrew Philip
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Water Science and TechnologyThe composition of waste-activated sludge (WAS) is complex, containing a large amount of harmful substances, which pose a threat to the environment and human health.
Biqing Li +7 more
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