permaculture

[Robyn Francis <erda@nor.com.au>]

I have reed bed systems here in sub-tropic Australia. Yes, we do have water
loss through evapo-transpiration which varies with the seasons, depending on
temperature and weather. When it's very hot and dry the reeds tend to use
most of the waste water and there's little comes out the other end, but most
of the year there is some water coming through for re-use.

There are a lot of rushes and sedges suitable for purification. Phragmites
spp tend to have aggressive root systems which grow into pipes and block
them, so while one if the best performers re treatment, they create a lot of
maintenance. The prefered species here are Juncus, Scirpus and Typha. I also
have a greywater reed bed planted with Cyerus papyrus (which looks stunning)
and Yellow Flag Iris.
What did you mean by using the reeds properly?

Ciao
Robyn


On 8/2/08 1:00 AM, "Christoph Redwitz" <latuerlich@gmx.de> wrote:

> It not yet a concret plan. It's more a dream: moving to a warmer place.
> Evapotranspiration is here in Germany no problem. The reed beds a
> working very well. But i in hot climat, one says: reed beds are a good
> option, because you can recycle your greywater in that way, and other
> say, you can use reed beds but u wont get water back. But actually i
> have these statements out of literatur. Thats why i am asking now here :)
> 
> 
> Lawrence F. London, Jr. schrieb:
>> Christoph Redwitz wrote:
>> 
>>   
>>> Hi!
>>> Does anybody have some experience with read bed purification in dry
>>> areas? I'v read about it, that it is not practical there, because of the
>>> high evapotranspiration loss of water. But on the other hand i heard of
>>> many people that they use it. Do you get water back from that system?
>>> And can you use the reed propperly?
>>> Are there more effectiv plants to use on that kind of pourification?
>>>     
>> 
>> Reedbed greywater purification systems are widely used in the UK.
>> Is evapotranspiration a problem unique to using reeds in beds?
>> If so maybe erecting some kind of greenhouse over the bed would reduce that
>> water loss
>> and infuse the system with clean condensed water from the inside surfaces 
>> of
>> the greenhouse.
>> Left partly open in hot weather for ventilation and closed in cold this
>> structure could
>> be left in place year round. Where are you thinking of using this system?
>> Europe?
>> 
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