T/CPCIF 0003-2017 Active Group standards

T/CPCIF 0003-2017 Clean production evaluation technical specification for ion-exchange membrane method potassium hydroxide

Publish Date: 2017-10-12 Implement Date: 2018-01-11 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CPCIF 0003-2017

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Baseline standards and general methods

ICS Name: Integrated Environment and Environmental Protection

Publish Date: 2017-10-12

Implement Date: 2018-01-11

Scope

Main technical content: It specifies the technical requirements for clean production of potassium hydroxide using ion-exchange membranes, as well as data collection and calculation methods. **Table 1**: Technical Indicators for Clean Production of Potassium Hydroxide Using Ion-Exchange Membranes Clean Production Indicator Levels Level I Level II Level III I. Production Process and Equipment Indicators 1. Electrolyzers adopt bipolar natural circulation membrane electrolyzers with small electrode distance. 2. Evaporation uses three-effect and multi-effect countercurrent evaporation processes, or dual-effect countercurrent evaporation processes. III. Resource and Energy Consumption Indicators 1. *Comprehensive Energy Consumption per Unit Product (Standard Coal Equivalent)/(kgce/t) for Ion-Exchange Membrane Liquid Alkali ≥ 30.0% ≤ 245 ≤ 310 ≤ 330 ion-exchange membrane liquid alkali ≥ 45.0% ≤ 365 ≤ 435 ≤ 475 ion-exchange membrane liquid alkali ≥ 48.0% ≤ 375 ≤ 450 ≤ 490 ion-exchange membrane solid alkali ≥ 75.0% ≤ 430 ≤ 535 ≤ 565 ion-exchange membrane solid alkali ≥ 90.0% ≤ 475 ≤ 560 ≤ 590 ion-exchange membrane solid alkali ≥ 95.0% ≤ 495 ≤ 585 ≤ 620 2. *Loss Rate of Alkali per Unit Product (%) ion-exchange membrane liquid alkali ≥ 30.0% ≤ 1.5 ion-exchange membrane liquid alkali ≥ 45.0% ≤ 1.8 ion-exchange membrane liquid alkali ≥ 48.0% ≤ 1.9 ion-exchange membrane solid alkali ≥ 75.0% ≤ 2.5 ion-exchange membrane solid alkali ≥ 90.0% ≤ 2.9 ion-exchange membrane solid alkali ≥ 95.0% ≤ 3.0 IV. Pollutant Generation Indicators (before End-of-Pipe Treatment) 1. Wastewater Generation per Unit Product (m3/t) ≤ 2.5 ≤ 4.5 ≤ 7.0 2. Salt Sludge Generation per Unit Product (dry basis) (kg/t) ≤ 20 ≤ 25 ≤ 30 V. Resource Comprehensive Utilization Indicators *Chlorine Water Recycling Rate (%) 100 VI. Environmental Management Requirements Environmental laws and regulations shall comply with relevant national an