Study on Combined Process of Adsorption-Membrane Separation for Military Toxicant VX Polluted Municipal Water Treatment

2013 ◽  
Vol 361-363 ◽  
pp. 789-792 ◽  
Author(s):  
Xiao Jie Wang ◽  
En Feng Chen ◽  
Yun Zhe Ji
Keyword(s):  
Activated Carbon ◽  
Water Treatment ◽  
Reverse Osmosis ◽  
Membrane Separation ◽  
Activated Carbon Adsorption ◽  
Combined Process ◽  
Effluent Quality ◽  
Adsorption Performance ◽  
Carbon Adsorption ◽  
Municipal Water

It developed test devices and carried out test adopting combined process of adsorption-membrane separation targeted at municipal water polluted by military toxicant VX. Investigation on purification effects of sand filtration, microfiltration, ultrafiltration, activated carbon adsorption and reverse osmosis was implemented in sections. It also studied on working principles of each section. Furthermore, comparative study has been made for adsorption performance of coaly granular activated carbon and that of shell activated carbon. The results show that the device can remove effectively simulation agent in water and the effluent quality complies with requirements of relevant standards.

Test Study on Combined Process of Clarification-Adsorption-Membrane Separation for Chemical Agent VX Polluted Surface Water Treatment

2013 ◽  
Vol 750-752 ◽  
pp. 1457-1460
Author(s):  
Xiao Jie Wang ◽  
Hong Wei Zhang ◽  
En Feng Chen ◽  
Yun Zhe Ji
Keyword(s):  
Activated Carbon ◽  
Surface Water ◽  
Membrane Separation ◽  
Chemical Agent ◽  
Activated Carbon Adsorption ◽  
Combined Process ◽  
Surface Water Treatment ◽  
Adsorption Performance ◽  
Carbon Adsorption ◽  
Test Study

t developed test devices and carried out test adopting combined process ofclarification-adsorption-membrane separationtargeted at surface water which was polluted by chemical agent VX. Investigation on purification effects of sand filtration, microfiltration, ultrafiltration, activated carbon adsorption and reverse osmosis was implemented in sections. It also researched on working principles of each section. Furthermore, comparative study has been made for adsorption performance of coaly granular activated carbon and that of shell activated carbon. The results show that the combined process can remove effectively simulation agent in water and the outlet quality complies with requirements of relevant standards.

Removal of cyanobacterial amino acids in water treatment by activated carbon adsorption

2017 ◽  
Vol 173 ◽  
pp. 330-338 ◽  
Author(s):  
Lenka Cermakova ◽  
Ivana Kopecka ◽  
Martin Pivokonsky ◽  
Lenka Pivokonska ◽  
Vaclav Janda
Keyword(s):  
Amino Acids ◽  
Activated Carbon ◽  
Water Treatment ◽  
Activated Carbon Adsorption ◽  
Carbon Adsorption

scholarly journals A Short Communication on Wastewater Treatment Techniques Used in Pharmaceutical Plant

2021 ◽  
pp. 167-172
Author(s):  
. Simran ◽  
Nishant Thakur ◽  
Karishma Mahajan
Keyword(s):  
Membrane Separation ◽  
Advanced Treatment ◽  
Pharmaceutical Wastewater ◽  
Activated Carbon Adsorption ◽  
Effluent Quality ◽  
Treatment Techniques ◽  
Organic Debris ◽  
Carbon Adsorption ◽  
Pharmaceutical Plant ◽  
High Concentrations

Toxic and difficult to biodegrade pharmaceutical wastewater is complex in composition with high concentrations of organic debris and microorganisms. There may still exit quantities of suspended particles and dissolved organic materials even after further treatment. Advanced treatment is required to improve the quality of pharmaceutical wastewater discharge. In this study, the pharmaceutical technology categorization has been established, and the features of pharmaceutical wastewater effluent quality have been summarized. On the other hand, The methods of advanced treatment of pharmaceutical wastewater have been incorporate, including coagulation and sedimentation, flotation, activated carbon adsorption, membrane separation, advanced oxidation processes, membrane separation, and biological treatment. In the meanwhile, each process's features were specified.

Occurrence and removal of endocrine disrupters in landfill leachate treatment plants

2003 ◽  
Vol 48 (3) ◽  
pp. 127-134 ◽  
Author(s):  
T. Wintgens ◽  
M. Gallenkemper ◽  
T. Melin
Keyword(s):  
Activated Carbon ◽  
Bisphenol A ◽  
Reverse Osmosis ◽  
Landfill Leachate ◽  
Endocrine Disrupting Compounds ◽  
Membrane Bioreactors ◽  
Industrial Chemicals ◽  
Activated Carbon Adsorption ◽  
Leachate Treatment ◽  
Carbon Adsorption

Endocrine disrupting compounds can affect the hormone system in organisms. Industrial chemicals with estrogenic effects were detected in large quantities in landfill leachates. Membrane technology has proven to be an effective barrier to these substances and thus widely applied in the treatment of landfill leachate. The removal techniques under investigation are membrane bioreactors, nanofiltration, activated carbon adsorption, ozonation as well as reverse osmosis. Investigations were conducted at two different landfill leachate treatment plants with a variety of process configurations. The xenoestrogenic substances nonylphenol and bisphenol A were detected in high μg/L-ranges in raw landfill leachate. Membrane bioreactors (MBRs) were capable of removing more than 80% of the nonylphenol load. Final effluent concentrations range between 1-12 μg/L nonylphenol and 3-30 μg/L bisphenol A respectively. Reverse osmosis treatment proved to be less effective in nonylphenol and bisphenol A removal than MBRs with further polishing stages like nanofiltration and activated carbon adsorption.

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