100% Process Water Reclaim for Sustainable Environment

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1 100% Process Water Reclaim for Sustainable Environment Matt Chien/ 簡煌隆 AUO CSR & ESH Div. Director

2 The Changing

Climate Change in Taiwan - Temperature Yearly Average Temp. Difference Comparing with 23.

3 Climate Change in Taiwan - Temperature Yearly Average Temp. Difference Comparing with average temp.(1901~2000): Yearly maintenance period of power generator is limited

4 Climate Change in Taiwan - Snowing 海拔僅 699 公尺的汐止五指山 ( 聯合報系資料照 / 郭吉銓攝 )

5 Climate Change in Taiwan Droughts & Floods 圖片來源 : 新綠風格二館大地谷 ( 左圖 )/ 氣候天氣災害研究中心 ( 右圖 )

6 Environment Change in Taiwan Air Pollution ( 圖片來源 / 美聯社 / 達志影像 ) Top 1 Lung cancer(76%) Hepatic carcinoma Colorectal Cancer

7 Environment Change in Taiwan Water Pollution ( 圖片來源 / 齊柏林紀錄片 ( 看見台灣 )

8 Climate Change Worldwide - American 圖片來源 / 博文社

9 Climate Change Worldwide - India 圖片來源 / 每日郵報

10 Actions for Sustainable Environment

UN Climate Change and Actions About COP The United Nations Framework

Parties (COP) is the governing body of the Convention.

measures were agreed in the Kyoto Protocol in 1997 COP18: Kyoto Protocol was

11 UN Climate Change and Actions About COP The United Nations Framework Convention on Climate Change entered into force in1994; the Conference of the Parties (COP) is the governing body of the Convention. Kyoto Protocol and the Paris Agreement COP3: Greenhouse gas reduction measures were agreed in the Kyoto Protocol in 1997 COP18: Kyoto Protocol was extended to 2020 at Doha Climate Change COP21: 196 countries,150 head of states, more than 30 thousand participants

12 Technology Evolution Car

13 Technology Evolution Car (cont.) Integration

14 Longtan Plant 1999 built within the Longtan Aspire Intelligent Industrial Park Site Area:approximately 19.3 hectare Production Capacity:one Gen 4.5 line, two Gen 5 lines, and color filter line The first G4 & G5 LCD factory in Taiwan

15 Motives of 100% Process Water Reclaim Technological Capacity & Growth Stakeholder Expectation & Local Trust Climate Change & Water Impact

Launched 18,000 cubic meters of water reclaimed each day Taiwan s first locally designed and

16 Achievement 2010 Apr One-year critical technologies research with ITRI 2013 Mar Initiated the process water full-recycling construction plan 2015 Dec The 100% Process Water Recycling System Launched 18,000 cubic meters of water reclaimed each day Taiwan s first locally designed and integrated process water full-recycling system AUO became a benchmark for water treatment technology

17 Implementation of CSR

18 Normal Process of Water Treatment Running water Reclaimed water Production line Recycling System Waste process water - higher quality Water Treatment System Waste process water - lower quality Discharge Cooling Tower and for office use

19 Overview of 100% Process Water Reclaim Water Purification TFT-LCD production Process Water first-recycled EVP & Drier EDR MBR & RO Waste Water Pretreatment

Key Facilities Membrane Bio-Reactor, MBR

20 Key Facilities Membrane Bio-Reactor, MBR Electro-dialysis Reversal, EDR Filtration Reduce space for facilities Reverse Osmosis, RO Electro-dialysis Condense and recycle waste water with high conductivity Evaporation, EVP Filtration Optimize water quality Evaporation Condense and recycle the last flow of waste process water

21 Highlights of the Design Effective Divergence Optimized Integration Membrane Bio- Reactor, MBR Decreased Energy Consumption Reverse Osmosis, RO Electro-dialysis Reversal, EDR Evaporation, EVP

the Longtan factory remains under production without being affected Steady supply of the process

22 Risk Control and Management No Penalty No abnormal effluent was generated and discharged while adjusting the original water treatment system No Disruption No Loss No disruption of production- the Longtan factory remains under production without being affected Steady supply of the process water; Maintain the water quality and quantity No manufacturing defects caused by the construction project

mg/l 0 mg/l Natural Evaporation 4,700 CMD 0 CMD

23 Environmental Benefits Running water Consumption Effluent Environmenta l Burden 20,000 CMD 18,000 CMD Sludge output BOD of effluent Saved 77% Zero discharge 降低 23 % 10 mg/l 0 mg/l Natural Evaporation 4,700 CMD 0 CMD Conductivity Of the Xiaoli Creek 降低 71 % COD of effluent 80 mg/l 0 mg/l

Positive Influence Academics/Students Established GreenArk

Promoted water recycling concepts through the media (> 20)

Identified issues and kept communication Natural Habitat

and after zero discharge Industry Participan Nurtured three

treatment technologies Introduced full recycling solutions

Government Agencies Supported the government s reclaimed

24 Positive Influence Academics/Students Established GreenArk Applied for suitable site for environmental education Media Promoted water recycling concepts through the media (> 20) Community 10 seminars 36 on-site visits 1,190 supports Identified issues and kept communication Natural Habitat Professional ecological survey Monitored differences before and after zero discharge Industry Participan Nurtured three local companies Improved the country s water resource treatment technologies Introduced full recycling solutions to 110 companies Guided the industry towards water Government Agencies Supported the government s reclaimed water policy Assisted central and local government bodies with their guidance efforts

25 Act Locally, Think Globally AUO Water 2020 Blueprint and Goals Water Reduction reduce water intensity by 30% Water Creation recycle10,000 tons of water per day at Taichung Site Water Replenishment guide suppliers in reducing water usage by 5,000 and become water neutral Water Economy provide professional service

Panel Students:applying knowledge to the

26 Bring Hope to the Next Generation AUO GreenArk Water Resource Gallery Ecodesign building Five themes, interactive tour More than 750 people have visited Discussion Panel Students:applying knowledge to the real world Industries:cost-benefit, technology and implementation

27 Together for a Better Future. Keep Running.

Current Situation and Vision of Reclaimed Water in Taiwan

2018.11.09 Seminar on Monitoring Technology of Reclaimed Water Quality Current Situation and Vision of Reclaimed Water in Taiwan Kuang-Chih Chang, Director of Planning Division, Water Resources Agency,