Cubic shaped CaCO3 particles with mean size of 30-40 nm were prepared by intermittent carbonation process without any additives. It was found that the flow rate
The paper presents a procedure to design water network. First of all, water reuse system, water regeneration reuse system (including regeneration recycle) and w
In order to reduce the production cost of imidacloprid, the preparation technology for the direct combination of 2-chloro-5-chloromethylpyridine and 2-nitrylimi