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People-Powered "Poo Pump" Could Clean Up Slum Life
 Cambridge,
UK -- Pedal power may hold the answer to cheap and efficient
sewage removal in some of the world’s poorest slums — if the
work of a Cambridge University researcher can be taken into
large-scale production.
MPhil graduate Nate Sharpe is
planning to take his "People Powered Poo Pump" to the slums
of the Tanzanian capital, Dar es Salaam. Roughly 80% of Dar
es Salaam’s four million residents live in slum conditions.
His trials, if successful, could
revolutionize the removal of fecal sludge from pit latrines
common to slums in Africa, Asia and other parts of the
developing world - and lead to vast health benefits.
Sharpe has designed a prototype
bicycle-powered vacuum pump/tank system which works by
putting the end of a hose into a pit latrine and cycling in
place for a few minutes on a bike stand. This allows the
sludge to be sucked into a bucket attached to the back of
the bike.
He hopes the bike could become a
viable business proposition for budding entrepreneurs in Dar
es Salaam’s slums.
His work is featured in the
latest edition of Research Horizons. He said: “Many of the
world’s most densely-packed and poorest slums have terrible
sanitation and sewage problems, which leads to huge amounts
of disease and illness — much of it preventable if
conditions were improved.
“A lot of the issues currently
plaguing pit emptying services stem from the sheer volume of
sludge that has to be transported. If smaller amounts could
be moved more often, it becomes easy to transport — even on
the back of a bicycle.”
“The idea has so many social,
health and economic benefits. An important aspect of the
design is that it will be on a par with manual desludging
technologies in terms of capital cost.”
Sharpe developed the idea for the
bike while working on his MPhil at the Centre for
Sustainable Development at Cambridge. Working with the
Centre’s Dr Heather Cruickshank, Sharpe’s project is one of
around 35 annually that look to find innovative engineering
solutions to a host of sustainability problems.
Currently working at MIT in the
United States, Sharpe has combined his efforts with the team
from Sanergy who are developing low cost latrines using a
franchise model where waste is collected on a daily basis.
They hope the waste produced can be used in biodigesters for
heating and electricity production.
Added Sharpe: “Few if any of the
previous solutions take into account the economic, social
and geographical constraints found in slum areas. The
prevalence of people living on less than $2 a day means they
live in tightly packed, unplanned settlements.
“The pump itself costs less than
$100, less than 10 per cent of the next cheapest
alternative. Sometimes, solutions lie not in the development
of new technology, but in the creation of a new business
angle that works within the local community.”
Source:
http://www.cam.ac.uk/
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This
newsletter is sponsored by:
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Parkson Energy-Saving Active
Solar Dryer for Indiana
 Fort
Lauderdale, FL -- Parkson is pleased to announce the startup
of a Thermo-System® Active Solar Sludge Drying System in the
town of Noblesville, Indiana. For this installation, a two
(2) solar assisted chamber design with a 145kW supplemental
heating system was designed to dry municipal sludge.
The supplemental heating system
consists of water-to-air heat exchangers positioned
throughout the drying chambers that utilize excess hot water
capacity from an existing plant boiler. This supplemental
heat, which would normally be wasted to the atmosphere, will
increase the drying performance of the system by at least
50%. By producing a 75% dry, Class A biosolid, the
Thermo-System will save the plant considerable money on
disposal costs as compared with the previous method of
landfilling unclassified, wet biosolids directly from a belt
press. Additionally, leveraging the sun's free energy will
result in dramatic operating costs savings as compare with
more traditional thermal dryers.
The Noblesville startup is the
first of a series of seven installations that will be
commissioned in the next six (6) months alone. The numerous
plants span the United States from Waimea, Hawaii to Kent
County, Maryland.
"As wastewater treatment plants
have increasingly looked for ways to reduce their high
biosolids handling costs, we are very pleased that
Thermo-System Active Solar Sludge Dryer has been the
technology of choice and allowed them to meet their needs.
With 95% of the energy used for drying coming from the sun,
and fully automated controls that keep the required operator
attention extremely low, the operating costs of the
Thermo-System® are dramatically less than most conventional,
high temperature technologies," says Michael Hill,
Thermo-System Product Leader for Parkson.
Source:
http://www.parkson.com/
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United Water Dedicates Water Treatment Plant
 West
Nyack, NY -- United Water New York officials announced today
the commencement of operations of the company’s Haverstraw
Water Supply Project pilot study located in West Haverstraw,
New York. The pilot plant will enable United Water’s
engineers to determine the most effective way to purify
water drawn from the Hudson River.
“This is an important step in the
development of this project that will provide Rockland
County residents with a safe, reliable, and
drought-resistant supply of drinking water for future
generations,” said Michael Pointing, vice president and
general manager.
After conducting an exhaustive
review of the water supply options available, including
building a reservoir or reusing wastewater, United Water
officials concluded the most cost-effective and sustainable
option is a treatment plant that will purify water drawn
from the Hudson.
The pilot facility will be used
to study and optimize, among other things, the treatment
processes and energy consumption that will be used in the
full-scale plant, while continuing with important water
quality data collection. The results of these studies will
be used to design a full-sized treatment plant capable of
producing up to 7.5 million gallons a day of pure drinking
water.
“Plants like this are used around
the world to bring purified water to millions of people
every day,” said Pointing. “Over a dozen communities along
the Hudson already use the river to supply residents with
drinking water. The pilot facility will demonstrate how we
are building state of the art infrastructure to deliver a
pure and safe supply of drinking water and enough to support
a thriving, sustainable community.”
The results of the pilot plant
testing will be reviewed by state and local regulators, as
well as United Water’s environmental engineering and water
quality experts. United Water’s plan to build a permanent
treatment plant in the Town of Haverstraw, NY will use a
combination of traditional water treatment and reverse
osmosis to provide a drought-resistant source of drinking
water. The plant is expected to start service by December
2015.
United Water proposed building a
water treatment plant in Haverstraw as part of a 2006
agreement with state and local officials. The agreement
requires the company to secure a long-term water supply to
meet expected increases in demand caused by Rockland
County’s rising population. United Water has increased
production from its existing sources and has long promoted a
comprehensive conservation program, but this will not be
enough to meet the additional demand expected to be
generated by Rockland County in the decades ahead.
“Rockland County’s population is
growing at a faster rate than its water supply and continued
development is expected in the future. This means Rockland’s
residents face a growing risk of more frequent and more
severe water shortages, especially during droughts. Just
this year, on July 5, we had the highest recorded demand for
water in a single day of 47.31 million gallons. That’s an
increase of almost 1 million gallons over the previous peak.
A new source of water is needed to ensure that Rockland
County always has a safe, reliable water supply,” said
Pointing.
Source:
http://www.unitedwater.com/
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Veteran Tank Companies
combine to form CST Storage
 Lenexa,
KS -- CST Industries is proud to announce the
realignment of Engineered Storage Products Company
(ESPC) and Columbian Tec Tank (CTT) to form the world’s
most complete storage solution provider under a new
company name: CST Storage.
You may be familiar with
veteran tank manufacturers Engineered Storage Products
Company (ESPC), producer of glass-fused-to-steel tanks
sold under the brand names Aquastore, Harvestore and
Slurrystore, and Columbian TecTank (CTT), producer of
epoxy-coated and other modular bolted steel tanks and
silos used in a variety of industries since 1893. In
combination, these two companies comprise the global
leader in the design, manufacture, and installation of
factory coated modular steel storage tanks. The
companies’ combined coating technologies, engineering
and design expertise will provide customers greater
options and the ability to choose a storage system which
will best perform to their unique specifications.
“The new company CST Storage
reflects our position as the complete storage system
provider for engineering and manufacturing professionals
in thousands of different industries and applications
throughout the world,” said Brian Bauerbach, President
and CEO of CST. “The combination of these two companies,
teamed with our undisputed leadership in aluminum tank
covers from our TemcorConservatek division and our
recent acquisition of Weaver reclaimer technology offers
our customers the most complete storage and handling
system options available for their varied applications”
CST Storage will continue to
manufacture glass-fused-to-steel and epoxy coated
modular steel storage tanks in their DeKalb, Illinois,
Parsons, Kansas and Winchester, Tennessee facilities
while corporate headquarters for the new company will be
in Lenexa, Kansas. The company has engineering centers
of excellence in all four locations to service our
customers and channels of distribution.
CST is the world’s largest
provider of modular, bolted storage tanks and custom
aluminum domes and covers. CST manufactures the leading
tank coating technologies in the industry providing both
glass-fused-to-steel porcelain enamel and a proprietary
cured epoxy system through CST Storage. Custom aluminum
domes and dry bulk covers are designed and manufactured
by the TemcorConservatek division. Turn-key storage and
material handling solutions are created by its Weaver
Reclaimer Systems group and are delivered throughout
CST’s global network. The combination of CST storage
solutions, cover solutions and reclaiming technology
offers customers worldwide a complete product line
designed specifically for their unique needs.
About CST Industries, Inc.:
CST Industries, Inc.,
headquartered in Kansas City, is the global leader in
the manufacture and erection of factory coated metal
storage tanks, aluminum domes and specialty covers.
CST’s existing company portfolio consists of Columbian
TecTank, Engineered Storage Products, Conservatek
Industries, Inc. and CST Vulcan, Inc. Manufacturing
facilities and technical design centers are located in
Parsons, Kansas; Winchester, Tennessee; DeKalb,
Illinois; Conroe, Texas and the United Kingdom. Regional
sales offices are located throughout North America and
in Mexico, Argentina, United Kingdom, Singapore and
Dubai.
Source:
http://www.tanks.com/
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Video
Center : Featured Videos
Share
your water and wastewater treatment videos with everyone - promote your plant, your
product and your company. Get you video
featured in our newsletter, FREE.
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| Help Forum :
Hot Messages from the Help Forum
People post their requests
for help and offer their suggestions to others in our open
forum.
Mr. Falzon needs help with
MBBR:
I have been reading a paper
by Hallvard Odegaard regarding MBBR. He states that the fill
volume with media of the reaction tank is 67%, and this
results in a total carrier specific are of 435m2/m3 for the
K1, which equates to 335m2/m3 of effective specific surface
are since the biomass is growing on the inside.
Can you please explain how he
got these figures as from the AnoxKaldness web site, the K1
has a total surface of 800m2/m3 and a protected surface of
500m2/m3.
The title of the paper is
“Advanced compact Wastewater Treatment based on coagulation
and moving bed biofilm processes”. Any help would be
much appreciated.
Thanks in advance,
Ryan Falzon
(Click
here to post a reply)
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Fair: We have a number of job openings on the Job
Fair, here are just a few of them we would like to share
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| About Us :
Water and Wastewater Newsletter
© 1999-2010 Water and Wastewater.com
Home page: http://www.waterandwastewater.com
Joseph Taylor, Editor
Water and Wastewater Newsletter
3948 South Third Street, No. 121
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Email: jtaylor@waterandwastewater.com
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::
People-Powered "Poo Pump"
Could Clean Up Slum Life
::
Parkson Energy-Saving Active
Solar Dryer for Indiana
::
United Water Dedicates Water
Treatment Plant
::
Veteran Tank Companies combine
to form CST Storage
:: The News Center : More headlines
:: The Water and Wastewater Blog
:: Video Center
:: Help Forum
::
Water and Wastewater Plant
Directory : Featured Plant
:: The Job Fair
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:: Ask Tom! Column!
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our goal is to provide information
to improve your business by using the resources available on the
Internet.
Thanks,
Joe Taylor, Editor
jtaylor@waterandwastewater.com
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Water & Wastewater – Liquid Tank Selection
In liquid
storage containment, quality and value drives today’s
tank selection process. With advances in fabrication
technologies, engineering design, coating processes and
field construction techniques, some storage products
utilized in the past have become outdated, while other
products have pushed to the “front of the line” in
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Featured
Case History |
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Sludge Buildup and Aerator Blockage Solved
Recently, the plant,
which treats 2.6MGD and handles peak flows of 7.3
MGD, was faced with an emergency upgrade. A
barminutor, installed in the 1970s as a bar screen
and grinder, had rusted and developed holes,
allowing rags, wood, rocks and other debris to pass
through unimpeded. The debris not only caused
blockages and clogs in the aerators but also
contributed to the build up of sludge in....(more) |
More case histories...
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Photographs
This week's
photo is of Tank Connection, field-erected wastewater
treatment plant in the Caribbean. Tank Connection is the
only tank supplier worldwide that designs, manufactures and
installs all four types of steel storage tanks including
bolted RTP, field-weld, shop-weld and hybrid tank designs
for liquid storage applications.
Photo courtesy
Tank Connection
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