design and technology option to be used for a decentralised unit in a location having less space
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TOPIC: design and technology option to be used for a decentralised unit in a location having less space

design and technology option to be used for a decentralised unit in a location having less space 27 Feb 2017 16:53 #20654

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    jincysan
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  • Current Commonwealth Professional Fellow at Newcastle University UK (30.01.2017 to 30.04.2017), Environment & Sanitation Specialist at Kerala Rural Water Supply and Sanitation Agency, Kerala, India
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I would like to know the design and technology option to be used for a decentralised unit in a location having less space

Re: design and technology option to be used for a decentralised unit in a location having less space 28 Feb 2017 00:47 #20663

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    muench
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Can you please supply more background information about your question?

Please also check our rules here: forum.susana.org/forum/rules
We normally don't allow such one-liner posts as this is not a free consultancy service website.

But I would like to give you the benefit of the doubt and invite you to tell us more about your question?
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Re: design and technology option to be used for a decentralised unit in a location having less space 28 Feb 2017 10:41 #20670

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    canaday
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  • A biologist working toward sustainability
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May 2014
Dear Jincysan,

Please tell us more about what you would like to know and what the conditions are where you are working. Are you looking only at options for treating wastewater or other decentralized options, like Urine-diverting Dry Toilets? I invite you to search all of the messages on this forum, together with the ample SuSanA Library.

Best wishes,
Chris Canaday
Conservation Biologist and EcoSan Promoter
Omaere Ethnobotanical Park
Puyo, Pastaza, Ecuador, South America
inodoroseco.blogspot.com
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Re: design and technology option to be used for a decentralised unit in a location having less space 28 Feb 2017 11:09 #20671

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    jincysan
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  • Current Commonwealth Professional Fellow at Newcastle University UK (30.01.2017 to 30.04.2017), Environment & Sanitation Specialist at Kerala Rural Water Supply and Sanitation Agency, Kerala, India
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Conventional Waste water treatment / Faecal Sludge Management unit requires lot of space to implement.I would like to know is there any other advanced technology options which we can implement a treatment unit like prefabricated one in a limited land area available.

Re: design and technology option to be used for a decentralised unit in a location having less space 28 Feb 2017 21:21 #20687

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    clint
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  • The Rain Man - El Hombre de La Lluvia
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Hola,

Total space required for decentralized, onsite, residential blackwater composting tank, rainwater harvesting/greywater treatment and recycling with storage and all mechanical systems with absolutely no discharge except profitable fertilizer:

20' Conex container or similar protective shelter.

Gracias,

El Hombre de la Lluvia
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Re: design and technology option to be used for a decentralised unit in a location having less space 28 Feb 2017 21:50 #20688

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    JessP
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Hi,

We have a decentralized transportable fecal sludge processor. It fits in a 20 foot shipping container. It handles the drying and processing of the sludge from the output of a wastewater treatment plant, so it would work for the sludge side. Here's a link to our website www.biomasscontrols.com which includes videos, photos, and explanations.

Please let me know if you have any additional questions.

-Jess P

Re: design and technology option to be used for a decentralised unit in a location having less space 28 Feb 2017 21:54 #20689

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    kevintayler
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  • I am a water and sanitation engineer, also interested in general urban housing issues. In recent years, I have worked on FSM for various organizations
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Dear Jincy

I don't think that the issue is whether or not a treatment system is prefabricated. I see from your profile that you are from Kerala. To save space, you should probably look at a system that incorporates anaerobic treatment. The organisation CDD is doing some interesting work on faecal sludge treatment in Karnataka - see in particular the information on their work in Devanahalli. Their website is at www.cddindia.org/. I would probably not use the domed biodigester but otherwise think that the approach described is a good one.

There is a lot of information on the use of DEWATS systems for wastewater treatment - anaerobic baffled reactors are a good option for the first stage of treatment and do not have a large footprint. You can find information from BORDA and there is an interesting PhD thesis available, I think on the internet, written by Dr Nicholas Reynaud. This looks at the performance of several DEWATS plants in India and Indonesia.

The big disadvantage of anaerobic systems is that they have a fairly long start-up time but this may not be a problem where the load takes some time to reach the design figure, as is often the case.

If you can post some more information on exactly what you are interested in, I can probably give some further leads

Best wishes
Kevin
Kevin Tayler
Independent water and sanitation consultant
Horsham
UK
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Re: design and technology option to be used for a decentralised unit in a location having less space 07 Mar 2017 21:03 #20767

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    msrikanth
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  • Srikanth Meesa
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Dear Jincy,

As Kevin stated, it would help us to guide you to the right technology as per your need.
You may also look at our green technology based wastewater treatment. For more information, refer to our website www.visionearthcare.com.

Unique features of our technology are as follows :

1. Low life cycle costs
2. Less power consumption
3. No Odour and noise
4. Creates a green ambience
5. Handles fluctuating load
6. High quality water for reuse

BR,
Srikanth
BDM,
Vision Earthcare
Last Edit: 07 Mar 2017 21:04 by msrikanth.

Re: design and technology option to be used for a decentralised unit in a location having less space 16 Mar 2017 21:36 #20896

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    ekellogg
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  • I and my firm are interested in growing sustainable businesses that supply toilets to Africans of all income levels, especially those of low income.
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Dear Jincy,

There are other solutions beside anaerobic treatment: biodigester and composting toilets. These are available in single household, school, and so on sizes. They remove most of the liquid and allow aerobic decomposition to occur in the solids. This is asserted to be much faster than anaerobic methods, and therefore can be much smaller. Smaller size generally means lower cost as well. The biodigesters are said to almost completely eliminate solid waste, but do produce effluent that must be dealt with, either by draining into the soil or further processing and use as liquid fertilizer. The composters generate a loam-type material that is used as fertilizer, or can be more safely transported for further treatment than raw fcal material. If this is of interest, please contact me and I can give you some further info. My interest is in assisting with providing households and small institutions with sustainable toilets.
Edwin Kellogg, PhD
Partner, Kellogg Consultants, LLC
Boston, Massachusetts
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