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The design, construction, and initial operation of a closed-cycle, salt-gradient solar pond
In operation of a closed-cycle salt-gradient solar pond (CCSGSP) system, fresh or low salinity water is supplied at the surface of the solar pond (SP) as make-up for evaporation losses as well as for surface washing. In the present investigation the surface water is flushed to an evaporation pond (EP) and concentrated for reinjection at the bottom of the SP. A 20 m2 SP incorporating an EP for concentrating brine, has been established. Theoretical modelling of the CCSGSP is presented. Results from the initial operation of the SP show that wind action and convective mixing caused some erosion of the gradient layer thereby increasing the surface layer thickness. Salt flux to the surface was found to be approximately 19 kg/m2 per year. Sodium hypochlorite solution proved successful as shock treatment during severe algal bloom. The result of acidification was less promising in maintaining pond clarity. Occasional addition of alum helped in settling some of the suspended particulates in the pond.
The design, construction, and initial operation of a closed-cycle, salt-gradient solar pond
In operation of a closed-cycle salt-gradient solar pond (CCSGSP) system, fresh or low salinity water is supplied at the surface of the solar pond (SP) as make-up for evaporation losses as well as for surface washing. In the present investigation the surface water is flushed to an evaporation pond (EP) and concentrated for reinjection at the bottom of the SP. A 20 m2 SP incorporating an EP for concentrating brine, has been established. Theoretical modelling of the CCSGSP is presented. Results from the initial operation of the SP show that wind action and convective mixing caused some erosion of the gradient layer thereby increasing the surface layer thickness. Salt flux to the surface was found to be approximately 19 kg/m2 per year. Sodium hypochlorite solution proved successful as shock treatment during severe algal bloom. The result of acidification was less promising in maintaining pond clarity. Occasional addition of alum helped in settling some of the suspended particulates in the pond.
The design, construction, and initial operation of a closed-cycle, salt-gradient solar pond
Entwurf, Konstruktion und Inbetriebnahme eines Solarteiches mit Salzgradient und geschlossenem Zyklus
Alagao, F.B. (author) / Akbarzadeh, A. (author) / Johnson, P.W. (author)
Solar Energy ; 53 ; 343-351
1994
9 Seiten, 21 Quellen
Article (Journal)
English
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