1. Technology and Innovation on Energy Saving in Chlor-alkali Industry
JIANGYIN ANCAN ELECTROCHEMICAL EQUIPMENT LTD.
By Mr. Gao Jian

2. Contents 1 2 3 4 Caustic/Chlorine Cost Constituents and Reduction
ANCAN Technology Innovation to Stay Ahead of Production 2
ANCAN Technical Support and Service 3
Conclusion 4

3. Rapid Development of Chlor-alkali in China
Caustic/Chlorine Cost Constituents and Reduction 1
Rapid Development of Chlor-alkali in China
Caustic Capacity Ranked First in the World Since 2006.
X10,000 ton NaOH
Year

4. Caustic/Chlorine Production Cost Constituents
Caustic/Chlorine Cost Constituents and Reduction 1
Caustic/Chlorine Production Cost Constituents

5. Method of Reduce DC Power Consumption
Caustic/Chlorine Cost Constituents and Reduction 1
Method of Reduce DC Power Consumption
Unit Cost of
Electricity
DC Power Cost =
Voltage x x
Efficiency x
Current
Average Current to
Decide Production
Capacity
Improve Membrane
Efficiency
Reduce Average Electricity Cost
Reduce Average Voltage

6. ANCAN Technology Innovation to Stay Ahead of Production2
Technology Innovation of Reducing DC Power Consumption
Zero Gap Modification
Elastic mesh
Many existing membrane electrolyzer are finite gap. ANCAN can modify the electrodes to zero gap.
Activated mesh

7. Benefit of Zero Gap Modification --- Comparing with Finite Gap
ANCAN Technology Innovation to Stay Ahead of Production 2
Technology Improvement on Reducing DC Power
Benefit of Zero Gap Modification --- Comparing with Finite Gap
1 Lower cell voltage --- Saving of > 140 kWh/t 100% NaOH
2 Can increase operating current, equivalent to >10% of production increase
3 Reduce membrane vibration, prolong membrane life span
4 More even current distribution, safer operating condition
Requirement
---Zero Gap Modification
---Cell Voltage Monitoring
---Differential Pressure Control and Protection
---Operation Skill

8. Zero Gap Modification of Asahi Kasei Electrolyzer
Technology Innovation to Stay Ahead of Production Cost 2
Zero Gap Modification of Asahi Kasei Electrolyzer
Gasket
Anode Mesh
Activated Mesh
Elastic Mesh
Membrane

9. Zero Gap Modification of BiTAC Electrolyzer
ANCAN Technology Innovation to Stay Ahead of Production 2
Zero Gap Modification of BiTAC Electrolyzer
Gasket
Elastic Mesh
Activated Mesh
Membrane
Anode Mesh

10. Zero Gap Modification of F2 Electrolyzer
ANCAN Technology Innovation to Stay Ahead of Production 2
Zero Gap Modification of F2 Electrolyzer
Activated Mesh
Elastic Mesh
Elastic Mesh
Activated Mesh

11. Technology of Reducing DC by Reducing Voltage Improved Anode Coating
ANCAN Technology Innovation to Stay Ahead of Production 2
Technology of Reducing DC by Reducing Voltage
Improved Anode Coating
Improved Cathode Coating

12. Anode Coating Magnified
ANCAN Technology Innovation to Stay Ahead of Production 2
ANCAN Coating - Anode
Anode Coating Magnified
Membrane Electrolyzer Anode Coating：
◆ Excellent electrochemical characteristics and longer life.
◆ Lower chlorine evolution potential, higher anode efficiency
◆ Good resistant properties against deposit of anolyte contaminants

13. Cathode Coating Magnified
ANCAN Technology Innovation to Stay Ahead of Production 2
ANCAN Coating -Cathode
Cathode Coating Magnified
Membrane Electrolyzer Cathode Coating
◆Stable and good electrolysis property and can resist some degree of polarity reversal.
◆ Lower Electric potential
◆ Good resistant properties against deposit of catholyte contaminants

14. Service 3 ◇Full Range of Electrolyzer Maintenance and Repair
ANCAN Technical Support and Service 3
◇Full Range of Electrolyzer Maintenance and Repair
◇Electrolyzer Components Replacement
Service

15. 3 ANCAN Technical Support and Service (Maintenance) BM-2.7 F2 DD350 B1
Asahi Kasei
Eltech
INEOS
BiTAC
FM-21 SP

16. Other Electrolyzer’s Components Membrane Electrolyzer Gasket
ANCAN Technical Support and Service ( spareparts) 3
Other Electrolyzer’s Components
PFA Flexible Hose
Membrane Electrolyzer Gasket

17. Repaired Electrolyzer
ANCAN Technical Support and Service (Maintenance) 3
ANCAN has provided technical service and support to more than 130 Chlor-alkali Plants in China.
ANCAN’s Partial Reference List outside of China
Customer Name
Repaired Electrolyzer
Sabah Forest Industries Sdn.Bhd
FM21
Taiwan plastic industry CO., LTD
BM2.7
TAIWAN PULP & PAPER CORP.
DN350
PT.PINDO DELI PULP AND PAPER MILLS
DD350
PT INDAH KIAT PULP PAPER TBK
Oxytech
PT LONTAR PAPYRUS PULP PAPER INDUSTRY
PT PABRIK KERTAS TJIWI KIMIA Tbk.
Pt Pabrik Kertas Indonesia
MALAY-SINO CHEMICAL INDUSTRIES SDN.BHD
SOUTH BASIC CHEMICALS LIMITED COMPANY
。。。。。。

18. 1、Electrolyzer modification work
Conclusion 4
ANCAN got >20 yrs of experience for all kind of Electrolyzers maintenance & repair. ANCAN can provide Chloralkali Industry following support & service ：
1、Electrolyzer modification work
2、Supply spare parts/components for all kind
of Electrolyzers
3、To support & provide routine service for all
kind of Electrolyzers

19. Jiangyin Ancan Electrochemical Equipment Ltd.
Thank You
Jiangyin Ancan Electrochemical Equipment Ltd.
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