Hydrofluoric acid Waste treatment:

With excess lime water and precipitation of landfill disposal or recycling, the supernatant diluted then into the wastewater system.

Operation Hydrofluoric acid Personal protective equipment:

Respiratory protection: wear self-absorption filter respirators (including anti-HF cans), full cover or air respirator. 

Hand protection: impermeable gloves, rubber acid gloves. 

Eye protection: chemical safety goggles, wide green hard hat with a full face mask. 

Skin and body protection: The rubber material with body-style protective clothing, work boots. Eye wash and emergency showers.

Other protection: work site smoking, eating and drinking. Work is completed, shower changing clothes. Separate storage of toxic contaminated clothing, washed back. Maintain good hygiene practices.

Storage:

Storage containers should be kept away from heat and protected from direct light and should be adequately and independently ventilated;

Storage area of building materials, lighting and ventilation systems should be corrosion-resistant;

Limited storage, storage location and the usual drug storage area separately; should alkali, active metal powder, glass.

Goods stored separately, avoid mixing reservoir.

The storage area should be separated from the work area. 

Use:

Must do a good job security, a small area of exposure or contact have great harm. 

When a hydrofluoric acid container is opened, it is determined that the working area is well ventilated and no spark or ignition source exists. 

To ensure that the container material does not react with hydrofluoric acid, the need to use plastic material or Teflon material;

The use of the process to be very careful operation, and to avoid the release of steam mixed with daily life, work environment;

Using as little as possible the amount of emergency preparedness equipment for the treatment of spilled hydrofluoric acid;

Post warning symbols to ensure that personnel are kept away from other test areas. 

Regular inspection of the container for damage or leakage and other defects. 

Hygiene measures:

Remove the protective clothing as soon as possible after work, and ensure that protective clothing for the appropriate location; and thoroughly wash your hands. 

No smoking or eating in the workplace.

Maintain the workplace clean.