The advantage of the batch column is reducing the number of cuts from 2 to 1 and reducing the reflux ratio from 3 to 2 to save time and money. The NaOH used in excess can be reduced from 8% to 1%. The reduction of NaOH allows cost savings for both the NaOH and the H 2 SO 4.he advantage of the batch column is reducing the number of cuts from 2 to 1 and reducing the reflux ratio from 3 to 2 to save time and money. The NaOH used in excess can be reduced from 8% to 1%. The reduction of NaOH allows cost savings for both the NaOH and the H 2 SO 4.
Mediastinal lymphadenopathy or mediastinal adenopathy is an enlargement of the mediastinal lymph nodes.ediastinal lymphadenopathy or mediastinal adenopathy is an enlargement of the mediastinal lymph nodes.
Lymphadenopathy is a swelling, or enlargement, of the lymph nodes. Swollen lymph nodes may be brought on by a variety of reasons. Some occur due to local infections, while others can appear due to systemic conditions or diseases.A similar term is lymphadenitis, which refers to inflammation of the nodes.wollen lymph nodes may be brought on by a variety of reasons. Some occur due to local infections, while others can appear due to systemic conditions or diseases. A similar term is lymphadenitis, which refers to inflammation of the nodes.