wastewater treatment plants Articles

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RO membrane cleaning using microbubbles at 6,800m3/day Wastewater RO Plant in UAE.

by Genesys International Limited  (Oct. 6, 2014)

It is well known that any fouling of the membrane surface has a dramatic effect on energy consumption and plant efficiency; this is particularly true for waste water RO plants due to the higher fouling rate. Such fouling can be very difficult to clean using commodity chemicals or even speciality chemicals. This paper explores the use of a novel ...

Rapid small-scale column testing of granular activated carbon for organic micro-pollutant removal in treated domestic wastewater

by IWA Publishing  (Oct. 20, 2014)

This study investigates the applicability of the rapid small-scale column test (RSSCT) concept for testing of granular activated carbon (GAC) for organic micro-pollutants (OMPs) removal from wastewater treatment plant (WWTP) effluent. The chosen experimental setup was checked using pure water, WWTP effluent, different GAC products, and variable ...

The Monclova experience case study

by NEFCO, Inc.  (Oct. 17, 2014)

The Town of Monclova, Mexico found it necessary to increase the hydraulic capacity of its municipal wastewater treatment plant by 35% – from approximately 11.5 MGD to 15.5 MGD. The increase in flow was accomplished by upgrading the plant’s biological treatment process. Once the modifications were completed, the flow through the plant ...

Urban wastewater effluent increases antibiotic resistance gene concentrations in a receiving northern european river

by John Wiley & Sons, Ltd.  (Oct. 20, 2014)

Antibiotic resistant bacteria are an emerging global problem which threatens to undermine important advances in modern medicine. The environment is likely to play an important role in dissemination of antibiotic resistance genes (ARGs) among both environmental and pathogenic bacteria. Wastewater treatment plants (WWTPs) accumulate both chemical ...

Food Waste Collection Companies Grow With The Flow

by BioCycle Magazine  (Sep. 21, 2014)

On October 1, the Commonwealth of Massachusetts’ ban on landfill disposal of commercial organics from establishments generating one ton or more of food waste per week goes into effect. On the front lines of helping these businesses and institutions comply are organics haulers, many of whom have been offering their services for years. ...

Wastewater Level Measurement Techniques

by Greyline Instruments Inc.  (Sep. 2, 2014)

Level monitoring and control is a fundamental requirement in any wastewater treatment process. You will find level instrumentation installed at even the simplest treatment plants for pump control, chemical storage tanks and process level controls or alarms. Operators have only limited or emergency control over treatment plant influent, so level ...

Multispecies acute toxicity evaluation of wastewaters from different treatment stages in a coking wastewater‐treatment plant

by John Wiley & Sons, Ltd.  (Jul. 9, 2014)

Coking wastewater contributes approximately 5% of the total discharge volume of industrial wastewaters every year in China. The toxicity of coking wastewater to aquatic organisms is still unknown. The authors evaluated the toxicity of wastewater from different treatment stages in a coking wastewater treatment plant, South China, using 5 test ...

Major waste management company and cbio combine resources, to resolve a breach of ammonia consent, in a large wastewater treatment plant case study

by Cleveland Biotech Ltd  (May 29, 2014)

The WWTP itself is located in the East Midlands, and treats dairy waste from a large processing plant, treating c1,500m3 of effluent per day. On 30th July the ammonia (NH3) levels in the permeate from the MBR at the plant began to increase. The effluent plant discharges to a river and as such, the consent limit is stipulated by the Environment ...

Development of a natural treatment system consisting of red ball earth and alfalfa for the post-treatment of anaerobically digested livestock wastewater

by IWA Publishing  (Sep. 17, 2014)

With the objective of developing a post-treatment process for anaerobically digested livestock wastewater, an innovative natural treatment system composed of two units is proposed. The first trickling filter unit further reduced biochemical oxygen demand and achieved a certain degree of nitrification. The second soil-plant unit was targeted at ...

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