Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

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  • Fahim1988
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  • I am a civil engineer by background and have more than 10 years of work experience in field of wastewater treatment, faecal sludge treatment plant and sanitation in urban designs with the government and international NGOs in Afghanistan.
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Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Dear all,

The main objective of this design is to have an efficient wastewater treatment plant for Barikab Industrial Economic Zone first phase of 100 Ha or 393 plots, each plot are consisted of 25 persons. For a long period of utilization, the sewerage generation was calculated by forecasting population in coming thirty years and the black water comes from each holding tank to the FSTP selected site. The results were presume with the neighbor development countries and not gone through laboratory results. By integration of environmental, biological, physical and civil engineering aspects, the plant were designed perfectly to fulfill its duties of health protection and to achieve level of treated water and sludge are to be used for Agriculture purposes.

The key points of this design are as follow and the modules of the treatment plant are  attached for your information.
o  Grey water treatment plant.


o  Black water and sludge treatment plant.


Please share your ideas and recommendations for light Industrial Park in our design.

Note by moderator: Inserted attachments into main text
Sincerely,

Fahim Malekzai

S.W-Design Engineer
Capital Region Independent Development Authority
Haji Yaqoub Squar, Kabul, Afghanistan
Mobile: +93799264027
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  • Chaiwe
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Dear Falim,

I am adding my comment to push your post back to the top. I would also like to add for others reading this post, that the Barikab Industrial Economic Zone was planned and designed as an agricultural development hub and it is thus important that its wastewater treatment plants are effective. Greywater and Blackwater sludge can both be efficient if treated efficiently for agricultural purposes, they can be used for both food-producing and non-food-producing plants as a source of phosphorus and nitrogen which are excellent for plants.

Regards,
Chaiwe.
Co-moderator SuSanA forum
(Under consultancy contract with Skat Foundation funded by WSSCC)

Chaiwe Mushauko-Sanderse BSc. NRM, MPH
Independent consultant located in Lusaka, Zambia
Email: This email address is being protected from spambots. You need JavaScript enabled to view it. Twitter: @ChaiweSanderse

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  • canaday
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Dear Fahim,

Thanks for sharing information about this important project with us.

We would need more information about calculations and dimensions in order to comment in detail. Is this for dealing with blackwater that comes directly from each parcel? If so, this would be a Wastewater Treatment Plant (WWTP), not a Faecal Sludge Treatment Plant (FSTP). It would also be good to spell out all of the acronyms.

A few initial comments:
--Congratulations on keeping greywater separate from blackwater.
--I would suggest that, after effective settling to eliminate solids and scum, the greywater could be used directly for subsurface irrigation of tree plantations for fruit, lumber, and firewood production or native reforestation. In the attached document, I cite reporting on the large areas in Egypt that have been reforested using effluent from blackwater treatment, which can also be used. This could be more economical to install and more profitable in the long run.
--In such a water-stressed country, I would not include the option of discharge of any water into drains. 
--If coarse sand is used in the treatment wetland, instead of gravel, it would provide more treatment, given the much greater surface area of the sustrate. This should not be a problem, if the solids and greases are effectively removed in previous steps.
--It would be good to chose productive, useful plants to be planted in this wetland, such as grass that can be used as forage for cattle, thus beginning reuse at this stage.

I look forward to learning more about this project.

Best wishes,
Chris Canaday
Conservation Biologist and EcoSan Promoter
Omaere Ethnobotanical Park
Puyo, Pastaza, Ecuador, South America
inodoroseco.blogspot.com

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  • Fahim1988
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  • I am a civil engineer by background and have more than 10 years of work experience in field of wastewater treatment, faecal sludge treatment plant and sanitation in urban designs with the government and international NGOs in Afghanistan.
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Dear Mr. Canaday,

Thank you for your detail response, If you can help us with the concept with a rough review. I am sure that will be really impressive and would be much obliged. 

I am sharing the WhatsApp number with you for easy and quick question & answers session to better picturize the concept. 

+93 799 26 40 27

Thank you once again for your time,

Wish to hear from you soon, Fahim
Sincerely,

Fahim Malekzai

S.W-Design Engineer
Capital Region Independent Development Authority
Haji Yaqoub Squar, Kabul, Afghanistan
Mobile: +93799264027
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  • canaday
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Hi Fahim,

I hope to be able to contribute useful information to your project.

I found this article on the internet and it confirms that this is a very dry place, so this is all the more reason to not waste any water or nutrients. It also leads me to understand that most of the industries there will be processing agricultural produce, so much of the wastewater will likely have much more valuable nutrients than dangerous chemicals.
businessdna.af/barikab-agricultural-econ...vestors-and-farmers/

This is a great opportunity to showcase sustainable sanitation to all Afghans in an aspirational and structured setting.

One thing that is key is to keep different waste streams separate from the start. In particular, it would be important to keep any toxic waste out of the general wastewater. I would also like to suggest that some waste streams can be dealt with in a decentralized way in each of these  large lots. For example, greywater could go through a grease and sand trap and then be dispersed in perforated and buried hoses, 10 or 20 cm below the surface of the soil among trees. These trees would likely be very appreciated, as they would block the wind and provide shade, in addition to their fruits and other products.

I understand that the custom there may be to defecate in the squatting position and then to wash with water. I would like to suggest that elegant ArborLoos
en.wikipedia.org/wiki/Arborloo  
could be done with SATO squat pans

These round floors could be rolled from one hole for planting a tree to the next. A 'ring beam' can support the floor and avoid the risk of the edges of the hole caving in. The floors could be covered with ceramic tiles to make them more beautiful and easier to clean. The privacy walls could be attached or not, but must be light enough to be easily moved. Ropes and stakes can keep them from flying away in the wind. The SATO flap avoids smells or flies from getting out. A hose or a bucket could provide water for anal washing. Sinks or TippyTaps can provide for hand-washing. The industrial park could build and maintain these, in addition to training the users on their proper use.

Where does the water come from? Is there any risk of contaminating a nearby water well?

I will contact you via my wife's WhatsApp, but, as much as possible, it would be good to have the conversation here, so that more people can benefit from it and contribute to it.

Best wishes,
Chris Canaday
Conservation Biologist and EcoSan Promoter
Omaere Ethnobotanical Park
Puyo, Pastaza, Ecuador, South America
inodoroseco.blogspot.com
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  • danipa
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

interesante , ahora veo que no se plantea la seguridad hidrica de contabilizar la agua tratada ya sea agua negra o gris , retornando a la fase de agua cruda para potabilizar, siguiendo los lineamientos del programa hidrtologico internacional fase 8 , como tambien la planta de manejo de lodos fecales, si hay poblaciones sercanas y no cuentan con este tipo de tecnologia . dimensionarla para tratar estos lodos generados por otra poblacion.

saludes

Cuidese

++++++++++
English translation by Deepl:

Interestingly, now I see that the hydraulic safety of counting the treated water, whether black or grey water, returning to the raw water phase for drinking water treatment, following the guidelines of the international hydrological programme phase 8, is not considered, nor is the faecal sludge management plant, if there are populations in the Sierras that do not have this type of technology.
greetings
Take care of yourself

Translated with www.DeepL.com/Translator (free version)
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  • Machida
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

I have a lot of respect for you and your project.

I am developing a wastewater treatment plant in Manila, Republic of the Philippines, totally on my own.

The goal is to minimize the cost of building and operating a wastewater treatment plant.

The technology for this equipment is available free of charge.

So we don't use an aeration blower. We use natural wind to aerate the treatment process. 
In the latter part of the system, we use natural stones and plant fibers for anaerobic treatment.

This facility would work around the entire globe from 30 degrees north to 30 degrees south latitude.

This facility can be built using materials available at your local hardware store.



Here are the URLs of the two English documents.

note.com/greenninja/n/ne1e6c2aa76b8

note.com/greenninja/n/ndd6b562608d4



The following is the URL of a Japanese document, which you can translate using Google Translate or other tools.
Invalid consumer key/secret in configuration
A small-scale experiment.
The cost of electricity in the Philippines is Same as in Japan.
Slightly more expensive.
The size of the Philippine economy It's about 1/10th the size of Japan.
So.
The experience of electricity costs in the Philippines are
It's 10 times that of Japan.
There.
It doesn't cost you anything in electricity.
Minimalist Sewage Purification System Under development.

note.com/notes?page=1&magazine_id=270710

note.com/greenninja/n/n380089a43550


I hope you will be interested in my development.
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  • Machida
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

The video I posted on Twitter could not be uploaded.

Watch the video of the small-scale experiment on You Tube below.

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  • Fahim1988
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    Topic Author
  • I am a civil engineer by background and have more than 10 years of work experience in field of wastewater treatment, faecal sludge treatment plant and sanitation in urban designs with the government and international NGOs in Afghanistan.
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Thank you sir but could you please reply in English, 
Sincerely,

Fahim Malekzai

S.W-Design Engineer
Capital Region Independent Development Authority
Haji Yaqoub Squar, Kabul, Afghanistan
Mobile: +93799264027
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  • Machida
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Good morning.
Please take a look at the English part alone.
I hope my experiment will be useful to you.

Mobile : +63 920 205 5200
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  • Elisabeth
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Dear Fahim,
Thanks for alerting me to the fact that there was a non-English post without a translation in this thread. I have added the translation now to Danilo's post. He had written (note, the translation is done by an algorithm, so not perfect):

++++++++
Interestingly, now I see that the hydraulic safety of counting the treated water, whether black or grey water, returning to the raw water phase for drinking water treatment, following the guidelines of the international hydrological programme phase 8, is not considered, nor is the faecal sludge management plant, if there are populations in the Sierras that do not have this type of technology.
greetings
Take care of yourself
+++++++++

Our policy with other languages is that we do allow posts in other languages but we add a translation using either Google Translate or Deepl. Either the users can add the translation themselves or one of the moderators does it.

Google Translate is getting better and better. For European languages this other translation tool called Deepl has emerged recently which works really well for Spanish, French, German (and maybe some others) to English. If you want to try it out yourself, here is the link:
www.DeepL.com/Translator

Regards,
Elisabeth
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(under consultancy contract with Skat Foundation funded by WSSCC)

Dr. Elisabeth von Muench
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Twitter: @EvMuench
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  • Fahim1988
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  • I am a civil engineer by background and have more than 10 years of work experience in field of wastewater treatment, faecal sludge treatment plant and sanitation in urban designs with the government and international NGOs in Afghanistan.
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Re: Design of Faecal Sludge Treatment Plant for Industrial Park in Afghanistan

Thank you very much for sharing the link and translate the paragraph. 
Sincerely,

Fahim Malekzai

S.W-Design Engineer
Capital Region Independent Development Authority
Haji Yaqoub Squar, Kabul, Afghanistan
Mobile: +93799264027
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