Model Number: LP21-4040-#4837
Brand Name: Hui ning
Key Specifications/Special Features:
Specifications1. Model: LP21-40402. Reject (%): 99.53. Average permeate GPD (m/d): 2400(9.1)4. Active membrane area ft (m): 90(8.4)Brief introductionThe LP (low pressure) series of aromatic polyamide compound membrane element developed by Vontron Technology Co., Ltd. has the properties of low-pressure operation, high permeate flow and excellent desalination and are applicable to desalination of brackish water. Besides, it is particularly applicable to fabrication of high-purity water for electronic industry and electric power industry owing to its excellent performance in removing soluble salts, TOC, SiO2, and more.Operation limits and conditions max.Working pressure: 600psi (4.14MPa)Max. feedwater flow: 16gpm (3.6m/h) (4040)max.
Feedwater temperature: 45°C
Max. feedwater SDI: 5
Residual chlorine concentration of feedwater: <0.1ppm
pH range of feedwater during continuous operation: 3-10
pH range of feedwater during chemical cleaning: 2-12
Max. pressure drop of single membrane element: 15psi (0.1MPa)
Testing conditions:
Testing pressure: 225psi (1.55MPa)
Temperature of testing solution: 25°C
Concentration of testing solution (NaCl): 2000ppm
Model |
Active Membrane Area ft (m) |
Average Permeated Flow GPD (m/d) |
Stable Rejection Rate (%) |
Minimum Rejection Rate (%) |
LP21-8040 |
365(33.9) |
9600(36.3) |
99.5 |
99.3 |
LP22-8040 |
400(37.0) |
10500(39.7) |
99.5 |
99.3 |
ULP2012-100 |
6.0(0.56) |
100(0.38) |
95.0 |
93.0 |