Stichting Bakens Verzet

1018 AM Amsterdam, Netherlands

Reg.nr. 34235506 Chamber of Commerce/KvK Amsterdam

BTW/VAT nr. NL8150.17.972 B01

Bank: Triodos Bank : IBAN NL90 TRIO 078.13.27.598

Direction

T.E.(Terry) Manning

Schoener 50, 1771 ED Wieringerwerf, The Netherlands

Tel 0031-227-604128;

E-mail: (nameatendofline)@xs4all.nl; Homepage: http://www.flowman.nl : bakensverzet

"Money is not the key that opens the gates of the market but the bolt that bars them."

Gesell, Silvio, The Natural Economic Order, revised English edition, Peter Owen, London 1958, page 228

Edition 01 : 14 September, 2007

### SOME RECOMMENDED DEVELOPMENT TECHNOLOGIES

###

### Locally built Moringa sand filters for water purification.

###

### How to make a Moringa sand filter.

###

### Information supplied by courtesy of:

###

### Centre for Affordable Water and Sanitation Technology), Canada.

### And

### Rural Africa Water Development Project (RAWDP), Nigeria.

###

### A general description:

###

### A step by step description:

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### Moulds for the external filter body.

### General advice.

Materials list.

Step 1.

Step 1 (continued).

Step 2.

Steps 3 and 4.

Step 5.

Steps 6 and 7.

Step 8.

Step 8 (continued).

Step 9.

Step 10.

Step 11.

Step 11 (continued).

Steps 12 and 13.

Steps 13(continued) and 14.

Concrete filter construction.

Standpipe.

Preparing the mould for casting.

Preparing the mould for casting (2) (conitnued).

Preparing the mould for casting (3) (conitnued).

Pouring the filter.

Removing the filter from the mould.

Diffusers and lids.

Specifications.

Plastic and metal diffusers.

Deep metal box diffuser.

Lids.

Simple wooden lid.

Placing filter materials.

Note that is available a 5cm layer of pumice should be placed at the bottom of the filter media. The role of this pumice layer is basically to rid the water of organ chlorides, and dissolved organic carbon (DOC) as well as other micro-elements or ions like those from phosphorus, lead, iron and manganese.

Placing the media.

Flushing the filter.

Testing the flow rate.

RETURN TO:

Locally built Moringa sandfilters for drinking water filtration.

RETURN TO:

Some recommended technologies.

Model homepage. Bakens Verzet homepage.