成人a毛片手机免费播放-成人a毛片在线看免费全部播放-成人a视频高清在线观看-成人a视频片在线观看免费-欧美三级中文字幕hd-欧美三极

Waste acid recycling treatment device
Patent No.: ZL201220004638.9
Application date: 2012.01.08
Announcement (announcement) date: 2012.09.05


Main technical features:
ü The treatment device includes a waste acid crystallization tank, a refrigerant, a solid-liquid separation tank and an acid liquid transfer pump, and a mixer is arranged in the waste acid liquid crystallization tank.
ü Zero-sewage in steel pickling process to reduce environmental pollution
ü The iron salt in the waste acid solution is precipitated as a crystalline solid and can be used as a chemical raw material.