The rubber auxiliary wastewater is the most difficult part in the production of rubber additives. The wastewater usually contains a large amount of inorganic salts and organic sulfur, and has a high chemical oxygen demand (COD) and is difficult to handle. For example, altho…
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Electrodialysis engineering typical process flow:
1. Brackish water desalination, groundwater defluorination water → 101 filter → precision filter → electrodialysis device → hollow fiber ultrafilter → UV sterilizer → product water
2. Pure Drin…
1. Brackish water desalination, groundwater defluorination water → 101 filter → precision filter → electrodialysis device → hollow fiber ultrafilter → UV sterilizer → product water
2. Pure Drin…
Status: Sales decline is not as good as in previous years
On September 4th, the reporter visited a furniture market. On weekends, it should be a time of heavy traffic, but there were not many guests in the market…
Hinge, guide rail, hinge
The main types of hinged hardware include door hinges, drawer rails, and door hinges. Door hinges are available in both copper and stainless steel. Single sheet hinge area standard is 10cm×3cm and 10cm×4cm, center axis diameter is between 1…
In March, the domestic rebar ** was suppressed by bad news such as property market regulation and high inventory, and the price gradually fell a…
In February of this year, several electric power workers ran to the home of Lin Hairen He Xianjun and talked to him about the pen business…
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The imitation hand twister was granted Chinese patent on July 4, 2012, and the patent number was ZL 2011 2 0419075.5. The key part of this patent protection is the separation mechanism after cutting the twisted dough. Please refer t…
There are a large number of stone carvings, stone carvings and stone crafts in China. It can be roughly classified according to the application and production method. Stone carvings and stone carvings are…
1. Window surface: The window frame should be clean, flat, smooth, no scratches or bumps on the large surface, and the profile is not broken by welding.
2. Hardware: The hardware must be complete,…
Alarms are now more and more widely used around us. With the frequent occurrence of security incidents, people have become more and more co