Caustic soda solar container

How to prepare a caustic soda tank for outdoor use?

・It is desired that outdoor tanks for caustic soda solution be equipped with an insulation system and heating system such as steam heating coils. ・A facility should be available to supply large quantities of water so as to flush any spilt caustic soda.

How much caustic soda should be in a container?

・The inhalation of caustic soda dust or mist causes various degrees of injury in the respiratory tract. Thus, the allowable concentration of caustic soda dust or mist in the air in a working area is specified as 2 mg/m3 (upper limit). II. Containers for Caustic Soda Kinds of Containers ・Solid caustic soda is contained in thin steel drums.

Where is caustic soda stored?

・Flake caustic soda is contained in drums or PVC-lined paper bags as shown in the table. ・Liquid caustic soda is contained in rectangular cans or drums. For the trans-portation of a large quantity of liquid caustic soda, tank trucks, rail tanks, or tankers are used. ・Reagent-grade caustic soda is contained in glass bottles.

How to store caustic soda?

In anticipation of any breakdown of the containers, caustic soda must be isolat-ed from acids, metals, explosives, organic peroxides and so on. ・When caustic soda is stored in steel drums, store it in a warehouse or indoor stock yard that is as dry as possible to prevent the external corrosion of drums, moisture absorption, and freezing.

Where should a caustic soda tank be discharged?

A second tank discharge and a manway at the bottom of the tank for cleaning is recommended. Tank inlet should be above the highest anticipated tank level with an inlet dip pipe, which extends below the lowest anticipated tank level to prevent splashing of the caustic soda solution.

Does caustic soda need a double wall containment system?

Because of its hazardous and highly corrosive nature, it is important to have a double-wall containment system for caustic soda.