Here is a list of all the postings Rob Gore has made in our forums. Click on a thread name to jump to the thread.
|Thread: sulphuric acid|
I would just pour it down the drain after neutralising with calcium carbonate. Even if you poured it down without first neutralising, I doubt that it would cause any issues. Councils regularly add acid to the water in treatment works to correct pH, as do swimming pool owners. Calcium sulphate or gypsum is used as a soil conditioner, and is often used as a clay breaker, so if you have clay soils, you can add the product of your neutralisation to your garden beds to help break the clay down to garden friendly loam, if you preferred, but it will just form a sludge in the settling ponds without undesirable outcomes.
All this of course presupposes that you idon'thave any nasty chemicals dissolved in your dilute acid like lead or cadmium for example. The presence of those metals changes the argument considerably.
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