Taiwan Wastewater Taiwan Wastewater Management and Cleaner Management and Cleaner

Technology for PWB Technology for PWB IndustryIndustry

Jane TranJane TranOrange County Sanitation DistrictOrange County Sanitation District

Taiwan Industrial ParkTaiwan Industrial Park

Water Pollution Control Act

95 industrial parks

8,000 industries

41 industrial parks have their own treatment plants (POTWs), treatment capacity = 100.3 MGD

Taiwan Industrial ParkTaiwan Industrial Park

NPDES permits applying to all industrial parks and industries with direct discharges (maximum discharge limits only)

Rely on self-monitoring for compliance monitoring

Currently no pretreatment controls between POTWs and IUs

Kuan-Yin Wastewater Treatment Kuan-Yin Wastewater Treatment PlantPlant

Complete primary, secondary, and tertiary treatment processes

Total capacity: 8.2 MGD

Industrial profile: food (1%), chemical (34%), dyeing (33%), plastic (2%), metal processing (8%), electroplating (7.5%), steel mills (2%), machinery (5.5%), paper mills (2%), others (5.5%)

Kuan-Yin Wastewater Treatment Kuan-Yin Wastewater Treatment Pilot PlantPilot Plant

Operator training

Perform and evaluate feasibility study

Research and development

Apply practical and field experience for students and operators

Kuan-Yin Wastewater Treatment Kuan-Yin Wastewater Treatment Pilot PlantPilot Plant

Biological treatment system: activated sludge and contact oxidation

Chemical treatment system: cyanide destruction, chromium reduction, hydroxide precipitation, flocculation, clarification, filter-press, O&G separation

Advanced treatment system: sand filter, carbon adsorption, ion-exchange, ultrafiltration, reverse osmosis, disinfection

CompeqCompeq

Locations: China, Taiwan, Singapore, USA

Up to 16 layers PWB mass production 1.9 million SQFT/month

CompeqCompeq

Heavy metal streams (400 gpm): chemical precipitation, ion-exchange, electrolytic recovery (500 lbs Cu/day), RO

Organic streams: biological treatment system, electrolytic Fenton system

All systems are locally made with a team of 8 engineers

ISO-14001 Environmental Management System

CompeqCompeq

Spill containment problems: overflow and leaks

Water reduction and reuse opportunity

Waste segregation needs

No run-off or storm water control

Pollution prevention opportunity

Nan YaNan Ya

Up to 10 layers mass production Mining their own copper for substrates,

inner layers, and ground planes All manufacturing processes are

automatic Financial data: capital = $1.01B; assets

= $4.07B; revenue = $3.29B; net income = $0.31B

Nan YaNan Ya

Industrial treatment systems: chemical precipitation, hydrogen peroxide/ferrous sulfate oxidation, and incineration technologies

Biological treatment systems: primary, secondary, and tertiary

Power generation plant

Nan YaNan Ya

Lodging accommodations (3 large apartment complexes on site)

Medical facilities, supermarkets, bakery Movie theater, full scale dining facilities Sport facilities Recycling program with profits directly

benefiting the employees

Design for the Environment (DfE) - Design for the Environment (DfE) - PWB ProjectPWB Project

U.S. EPA Interconnecting and Packaging

Electronic Circuits (IPC) and its member companies

University of Tennessee’s Center for Clean Products and Clean Technologies

Other interest parties: academic, research, public interest representatives

DfE - PWB ProjectDfE - PWB Project

“Direct metallization” technologies without the use of the electroless copper solutions

Alternatives to hot air solder leveling process that do not use lead

Cleaner surface finishing technologies: organic solder protectorates, immersion Pd, immersion Ag, immersion Sn, electroless Ni/immersion Au, electroless Ni/electroless Pd/ immersion Au

Making Hole Conductive Cleaner Making Hole Conductive Cleaner TechnologyTechnology

Carbon

Conductive Polymer Graphite Non-Formaldehyde Electroless Copper Organic-Palladium Tin-Palladium

Publication: PWB Cleaner Technologies Substitutes Assessment: Making Holes Conductive, Vol. 1&2; EPA 744-R-97-002a and 002b; August 1997

DfE Information ProductsDfE Information Products

Cleaner technologies substitutes analysis: making holes conductive

Implementing cleaner technologies in the PWB industry: making holes conductive

PWB industry and use cluster profile PWB pollution prevention and control: survey results

analysis Pollution prevention case studies and project fact

sheets Federal regulations affecting the electronics industry

To Obtain Information or To Obtain Information or Publications for the DfE - PWB Publications for the DfE - PWB Project Project Pollution Prevention Information Clearinghouse

(PPIC)U.S. Environmental Protection Agency401 M Street, SW (7409)Washington, DC 20460

Tel: 202-260-1023 Fax: 202-260-4659

Email: ppic@epamail.epa.gov

DfE: www.epa.gov/dfe

IPC: www.ipc.org/html/ehstypes.htm#design