Better system design

[Dogeatbird]

When it comes to gas management:

In the introduction of CO2 for calcium Reactors.

Or O3(ozone).

I have mentioned in other post about gas management.

I try not to use abbreviations as the discussion forum is multinational.

Use of a thermoelectric chiller in a calcium reactor can increase solublity of CO2; thus reducing the gas demand to maintain a desired reactor pH.

Also a similar effect can be achieved by introducing ozone into a recirculating reactor chamber; before discharging the effluent into the skimmer.

Lastly in regards to UV sterilizer;
A manifold on the input side:
Consisting of two ball valves link to two actuators can provide dual function. Parasite and algae/bacterial, as the actuators switch between the different valves; thus providing variable flow through the UV unit.

 

[Randy Holmes-Farley]

Use of a thermoelectric chiller in a calcium reactor can increase solublity of CO2; thus reducing the gas demand to maintain a desired reactor pH.

How does that make sense? Sure, lowering temperature increases solubility, but why would that mean you can lower the pH the same amount with less gas?

I think such reactors usually dissolve all of the gas added.

 

[TokenReefer]

Lastly in regards to UV sterilizer;
A manifold on the input side:
Consisting of two ball valves link to two actuators can provide dual function. Parasite and algae/bacterial, as the actuators switch between the different valves; thus providing variable flow through the UV unit.

If the desire is to target both and algae can be targeted using a higher flow rate but parasites require a lower flow (longer uv exposure time) rate don't you just set it to the lower requirement ? Longer dwell time will be (more) affective on algae as well.

 

[BeanAnimal]

If the desire is to target both and algae can be targeted using a higher flow rate but parasites require a lower flow (longer uv exposure time) rate don't you just set it to the lower requirement ? Longer dwell time will be (more) affective on algae as well.

To that end, what controls the actuators? Would a simple variable speed pump provide the same variable flow with less mechanics, points of failure and overall logic?

 

[Dogeatbird]

How does that make sense? Sure, lowering temperature increases solubility, but why would that mean you can lower the pH the same amount with less gas?

I think such reactors usually dissolve all of the gas added.

If the desire is to target both and algae can be targeted using a higher flow rate but parasites require a lower flow (longer uv exposure time) rate don't you just set it to the lower requirement ? Longer dwell time will be (more) affective on algae as well.

I never said anything about the amount of gas needed to lower pH. What I am saying is that the solubility of CO2 is affected by temperature. Thus the amount of carbonic acid increases with the amount of CO2 dissolved and maintained dissolved, until the acid is utilized for the disassociation of the calcium carbonate media.

And no not all the CO2 is utilized otherwise a gas pocket would not form at the top off the reactor.

Bottom line is CO2 dissolves more readily at lower temperature.

Ozone will react until it is either dissipated into atmosphere or disassociated into O2.

Variable flow actuated manifolds provides both flow rates, although not concurrently.

Allowed for a higher UV dose when desired and lower dose for bacterial/algae when desired.

Again it is rude and disrespectful to merely say that serves no purpose, when also unwilling to explore and consider all potential outcomes.

 

[Dogeatbird]

To that end, what controls the actuators? Would a simple variable speed pump provide the same variable flow with less mechanics, points of failure and overall logic?

Depending on type. Timer/controller.

Available in both AC/DC voltage.

Check out US Solid. PVC actuators.

Available as normally open or closed. That means when power is off return to closed or open status, can be converted between the two position if you order the wrong type. (Open or closed)

 

[Dogeatbird]

Lastly a pvc actuator also can be a back up check valve.

A normally closed, when provides power is open. Loss of power closes valve.

 

[KrisReef]

Might work in a cold water tank?