http://www.engineeringnews.co.za
  SEARCH
Login
R/€ = 14.34Change: -0.03
R/$ = 11.16Change: -0.08
Au 1215.89 $/ozChange: -1.14
Pt 1328.00 $/ozChange: -7.00
 
 
Note: Search is limited to the most recent 250 articles. Set date range to access earlier articles.
Where? With... When?








Start
 
End
 
 
And must exclude these words...
Close Main Search
Close Main Login
My Profile News Alerts Newsletters Logout Close Main Profile
 
Agriculture   Automotive   Chemicals   Competition Policy   Construction   Defence   Economy   Electricity   Energy   Environment   ICT   Metals   Mining   Science and Technology   Services   Trade   Transport & Logistics   Water  
What's On Press Office Tenders Suppliers Directory Research Jobs Announcements Contact Us
 
 
 
RSS Feed
Article   Comments   Other News   Research   Magazine  
 
 
May 04, 2012

Packaged plants can ensure long-term sewage treatment in remote areas

Back
Dublin|Africa|Bannow Africa|Bannow Exports MD Ted O’Morchoe|Flow|Housing|Pipes|PROJECT|System|Systems|Water|Africa|Ireland|Maldives|Seychelles|South Africa|Activated Sludge Technologies|Flow|Local Subsidiary|Long-term Solution|Maintenance|Pipes|Plant Manufacturer|Short-term Solution|Systems|Power|Water|Activated Sludge Technologies
|Africa|Flow|Housing|Pipes|PROJECT|System|Systems|Water|Africa||Flow|Maintenance|Pipes|Systems|Power|Water|
dublin|africa-company|bannow-africa|bannow-exports-md-ted-omorchoe|flow-company|housing|pipes|project|system|systems-company|water-company|africa|ireland|maldives|seychelles|south-africa|activated-sludge-technologies|flow-industry-term|local-subsidiary|longterm-solution|maintenance|pipes-industry-term|plant-manufacturer|shortterm-solution|systems|power|water|activated-sludge-technologies-technology
© Reuse this



Long-term sewage treatment for remote applications can be provided by instal- ling packaged sewage treatment plants that are easy to operate and robust, says Irish plant manufacturer Bannow Exports MD Ted O’Morchoe.

The ease of operation of packaged sewage treatment plants is critical for their common applications in remote places, such as island the resorts in the Seychelles and the Maldives, as well as in rural areas, such as the demonstration plant at Olwazini, in South Africa’s Cradle of Humankind, in Gauteng.

The modular plants enable easy expansion of existing systems to meet the scale of treatment demand.

“Packaged plants should be prefabricated, so that quality control is done in the factory and does not depend on work on site, where installation must be quick and simple.”

Bannow Exports, of which Bannow Africa is its local subsidiary, reports that its Blivet packaged sewage treatment plant, a hybrid of rotating biological contactor and activated sludge technologies, removes ammonia, nitrates and nitrites, phosphorus and nut- rients, with the option to design the system to enable effluent to be used for irrigation of crops.

Disinfection, should it be required, is done using ultraviolet disinfection or liquid or tablet chlorine dosing matched to the flow rate. The Blivet plants can also be monitored remotely.

“As soon as people get water into their homes, they will begin to produce sewage. We should use packaged sewage treatment plants to contain pollution before it becomes a problem.

“The plant can be applied as a short-term solution to bolster overloaded municipal sewage treatment plants, or as a sustainable, long-term solution in areas that need treatment capacity but are not connected to sewer- age pipes, or in remote locations where it is not economically viable to install large- scale municipal treatment plants,” he explains.

“Further, a single plant can be installed for up to 100 houses or can be deployed in series and in parallel to provide treatment for larger populations,” notes O’Morchoe.

The effluent flows into a primary settlement tank and then into the heart of the plant, which is its Aerotor rotating biological drum. As the drum rotates it lifts the effluent into its channels, effectively aerating it to promote bacteria and biomass growth, which absorb the nutrients.

Further, the system has low power consump-tion, owing to its design that uses the rotation of the drum to aerate the effluent, and can also be designed to use solar power sources.

“The Blivet has low operation requirements and naturally adjusts to changes in flow rate, with bacteria growth proportional to sewage inflows.”

Meanwhile, the system has a life span of 20 years in normal applications and is sustainable owing to its low requirements for electricity and maintenance.

A project in Ireland saw the company installing 22 Blivet units to provide temporary treatment for a housing development near Dublin, until the municipality could build a formal sewage treatment plant within five years. The Blivet plants have been in operation at these sites for almost ten years and the municipal plant will only be completed this year, he notes.

C

ommissioning such a plant takes a few months, and the plants are sustainable and an effective way for corporate companies or nongovernmental charities to boost local communities, he adds.

Bannow Africa provides standalone units and fully engineered solutions that can include more rigorous treatment, such as disinfection, depending on the application. The management of sludge from the plants is similar to other biological treatment systems, and the plant has three months of insludge storage. Sludge drying beds can be included to reduce the amount of sludge in remote locations, he concludes.

Edited by: Martin Zhuwakinyu
© Reuse this Comment Guidelines (150 word limit)
 
 
 
 
 
 
 
 
Other Waste Management and Recycling News
Article contains comments
Noting a recent report by Statistics South Africa, which recorded an increase in the number of bucket toilets in the Eastern Cape, provincial government said this week that it was studying the contents of the report to ascertain where this increase had occurred and...
Petroleum group Shell’s Three Sisters Ultra City, on the N1 Highway near Beaufort West, has installed a 150 m3/d effluent treatment and grey-water recycling plant, which has resulted in the recovery of 25 000 l of water a day out of season and 120 000 l of water a...
DEEP CLEANING Microbes in Deep Impact occur naturally without having to be genetically modified, making them nonpathogenic to humans, animals and plants
Stellenbosch-based probiotic product developer and manufacturer Probio launched a new biodegradable cleaning product – Deep Impact – last month.
Article contains comments
More
 
 
Latest News
Brian Molefe
Updated 2 hours 30 minutes ago The Mozambican port and rail authorities plan to invest around $3-billion in the coming few years to raise yearly throughput at the Maputo port to between 40-million and 50-million tons by 2020 and to migrate additional cargo from road to rail. Speaking at the...
Updated 4 hours ago A series of unfortunate events led to Johannesburg and surrounding areas experiencing significant water shortages over the past week, City of Johannesburg mayoral committee member for development planning and urban management Roslynn Greeff said at a media briefing...
Updated 5 hours ago Based on reports submitted to National Treasury, municipalities owe water boards some R2-billion, Cooperative Governance and Traditional Affairs Minister Pravin Gordhan revealed in a written response to a Parliamentary question on Monday. Municipalities in the Free...
More
 
 
Recent Research Reports
Road and Rail 2014: A review of South Africa's road and rail infrastructure (PDF report)
Creamer Media’s Road and Rail 2014 report examines South Africa’s road and rail transport system, with particular focus on the size and state of the country’s road and rail network, the funding and maintenance of these respective networks, and the push to move road...
Real Economy Year Book 2014 (PDF Report)
This edition drills down into the performance and outlook for a variety of sectors, including automotive, construction, electricity, transport, steel, water, coal, gold, iron-ore and platinum.
Real Economy Insight: Automotive 2014 (PDF Report)
This four-page brief covers key developments in the automotive industry over the past 12 months, including an overview of South Africa’s automotive market, trade figures, production and the policies influencing the sector.
Real Economy Insight: Construction 2014 (PDF Report)
This five-page brief covers key developments in the construction industry over the past 12 months. It provides an overview of the sector and includes details of employment in the sector, infrastructure and municipal spending, as well as insight into companies’...
Real Economy Insight: Electricity 2014 (PDF Report)
This five-page brief covers key developments in the electricity industry over the past 12 months, including details of State-owned power utility Eskom’s generation activities, funding and tariffs, independent power producers and prospects for the sector.
Real Economy Insight: Road and Rail 2014 (PDF Report)
This six-page brief covers key developments in the road and rail industries over the past 12 months, including details of South Africa’s road and rail network and prospects for both sectors.
 
 
 
 
 
This Week's Magazine
MANUFACTURING CAPABILITY Reliable Transformers designs and manufactures dry-type and oil-filled power and distribution transformers up to 3.5 MVA
While Ekurhuleni-based transformer manufacturer Reliable Transformers currently designs, manufactures and tests its products according to the SANS 780 specifications for distribution transformers and other applicable transformer specifications, it is working towards...
GHAREEB SAAD Kaspersky Lab products contain strong heuristics engines that monitor suspicious file execution to detect attacks
Global endpoint security solutions company Kaspersky Lab has introduced new measures to prevent cyber criminals from accessing sensitive data, alongside its malware-signature and heuristic device analysis detection methods. Threats to mobile devices have increased...
MICHAEL FLETCHER Real-time information available to government when citizens use publicly funded Wi-Fi networks will enable it to communicate with citizens and provide services
To ensure uptake and a positive impact, Wireless Fidelity (Wi-Fi) networks in cities must be provided at schools, community centres and commercial centres to enable citizens and government to access information that will improve access to and delivery of services....
Eco-estate Monaghan Farm, located near Lanseria airport, north-west of Johannesburg, has taken a new approach to modern living and sustainability with its 517 ha development, dedicated to farm living.
Forklift and lift-truck distributor Goscor Lift Hi-Reach launched the Genie SX-180, the tallest self-propelled super boom in Africa, in Johannesburg last month. “As the official distributor of the well-known Genie range of equipment in Southern Africa, we are pleased...
 
 
 
 
 
 
 
 
 
Alert Close
Embed Code Close
content
Research Reports Close
Research Reports are a product of the
Research Channel Africa. Reports can be bought individually or you can gain full access to all reports as part of a Research Channel Africa subscription.
Find Out More Buy Report
 
 
Close
Engineering News
Completely Re-Engineered
Experience it now. Click here
*website to launch in a few weeks