Ultrafiltration Permeation Flow Rate in Water Treatment Technology

Foreword

This standard references the test data from the American ASTM E1343-1990 "Evaluation of Ultrafiltration Membranes Based on Molecular Weight Cutoff" and ASTM D5090-1990 "Ultrafiltration Permeation Rate" standardization standards, and the test methods of the Japanese Standards Association JISK3821-1990 "Ultrafiltration Modules for Pure Water Permeation Filtration".

This standard was proposed by the Standards and Norms Research Institute of the Ministry of Construction.

This standard is under the jurisdiction of the Water Supply and Drainage Products Standardization Committee of the Ministry of Construction.

This standard was drafted by Bluestar Water Treatment Technology Co., Ltd. and Tianjin University of Technology Membrane Engineering Technology Co., Ltd.; Shandong Zhaoyuan Membrane Group Co., Ltd., Shanghai Hengtong Water Treatment Engineering Co., Ltd., Beijing Tianyuan Hengye Water Treatment Co., Ltd., Wuxi Ultrafiltration Equipment Factory, and Duoyuan Water Environmental Protection Technology Industry (China) Co., Ltd. participated in the drafting.

Drafters of this standard: Wei Jianmin, Wen Jianbo, Wang Liguo, Chen Wei, Li Ming, Huang Fuzhao, Li Suqin. Scope

This standard specifies the product specifications and models, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of ultrafiltration water treatment equipment.

This standard applies to ultrafiltration equipment for water treatment.

Requirements

Basic Requirements

The manufacture of ultrafiltration water treatment equipment shall comply with the provisions of JB 2923, and the structure shall be reasonable with smooth welds; the installation of components such as pumps, pipes, and frames shall comply with the requirements of JB 2923.

The materials and external components selected for ultrafiltration water treatment equipment shall comply with the provisions of GB/T 17219.

Technical Indicators

The pressure resistance, corrosion resistance, and leakage prevention performance of ultrafiltration water treatment equipment shall meet the design specifications.

The water production capacity of ultrafiltration water treatment equipment at the rated pressure (25℃) of the membrane element shall be greater than or not less than the designed rated value.

The membrane in the equipment should achieve a retention rate of at least 85% for substances with a specified molecular weight cutoff.

The electric (pneumatic) system of the ultrafiltration water treatment equipment should rotate flexibly, smoothly, and without jamming.

The electrical control equipment of the ultrafiltration water treatment equipment should be sensitive and have automatic protection functions.

The operating noise of the equipment should not exceed 80 dB.