2results about How to "Increase membrane area" patented technology

This utility model discloses an ultrafiltration deep wastewater treatment system, relating to the field of wastewater treatment technology. The utility model includes an assembly base and connecting water pipes. A system control cabinet is installed on one side of the upper end of the assembly base. A membrane tank and a membrane permeate tank are respectively opened on both sides of the middle of the upper end of the assembly base. A water inlet structure is provided on one side of the membrane tank. A submerged ultrafiltration membrane is detachably installed inside the membrane tank. The wastewater treatment system can be manufactured as an integrated skid-mounted device and fixed by a steel frame. The main equipment of the system includes a submerged ultrafiltration membrane, a membrane tank, a membrane permeate tank, a membrane self-priming pump, a membrane backwash pump, and an aeration blower. This equipment can operate in indoor and outdoor environments and requires a 380V power supply. Wastewater treated by the biological treatment system is coarsely filtered through a basket filter by the inlet pump before entering the membrane tank, which consists of a submerged ultrafiltration membrane and a steel membrane tank.

The present invention provides a gas separation system suitable for separating a gas mixture efficiently. A gas separation system 100 of the present invention includes: a first separation membrane 11 that separates a gas mixture 70 into a first permeated gas 80 and a first non-permeated gas 81; and a second separation membrane 21 that separates the first non-permeated gas 81 into a second permeated gas 90 and a second non-permeated gas 91. The gas mixture 70 contains a gas A and a gas B different from the gas A. The first separation membrane 11 allows the gas A to preferentially permeate therethrough. The second separation membrane 21 allows the gas B to preferentially permeate therethrough. A membrane area of the first separation membrane 11 is smaller than a membrane area of the second separation membrane 21. The gas separation system 100 recovers each of the second permeated gas 90 and the second non-permeated gas 91.