How to store high purity hydrogen chloride correctly

Although hydrogen chloride is non-flammable gas, but can not contact with some active metal powder, otherwise it will react, release hydrogen, there is a risk of fire explosion, the consequences are unimaginable.

When using hydrogen chloride gas, you must wear rubber gloves, high-waisted rubber boots, rubber apron, protective glasses, air supply mask, etc. The workplace should be fully ventilated to keep the ambient air fresh and dry. Hydrogen chloride gas should be stored in cylinders. Gas cylinders should be stored in a cool, dry, well-ventilated outdoor or forced-ventilated room, away from oxides and ignition sources. Prevent collision between containers. To test for leaks on a regular basis, use soap solutions or ammonia to test for leaks.

Dry hydrogen chloride gas is non-corrosive to metal, can be used for steel, stainless steel and other general metal materials. However, when moisture is present, it can corrode all kinds of metals. Gold, platinum and tantalum can resist the corrosion of wet hydrogen chloride. Nickel-based alloys containing hydrochloric acid also have good corrosion resistance. Polytetrafluoroethylene, polytrifluorovinyl chloride polymer, polyvinyl chloride, polyethylene, phenolic resin, natural rubber, graphite, etc. You can use it.

All equipment, pipes, valves, etc. Use of hydrogen chloride gas should be baked and vacuumed before use to maintain waterless and airtight. When the equipment is temporarily not in use, HCl should be discharged and filled with dry inert gas.

When hydrogen chloride gas leakage, use polyethylene cover, nylon hose, etc. Cap the leak. The gas is absorbed by introducing it into water and then neutralized with lime of Paris.

When a liquid leaks, soak it up with plenty of water. When a large amount of gas is ejected, it will be absorbed by distant water jets. After being absorbed by water, the waste water is neutralized with alkaline substances such as caustic soda, sodium bicarbonate, soda ash and hydrated lime.

In order to use hydrogen chloride gas reasonably, relevant staff must master protective measures and various matters for attention to ensure the safety of staff, so that hydrogen chloride gas get the best and most full use