西安建筑科技大学：《水资源利用与保护》参考资料_Wastewater as a resource_Case GM Ramos Arizpe Mexicol

GENERAL MOTORS DE MEXICO(GMM) RAMOS ARIZPE AUTOMOTIVE COMPLEX (RAAC) WATER CONSERVATION AND REUSE PROGRAM Application presented to The stockholm Water Industry Award 2001 NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard GENERAL MOTORS DE MEXICO (GMM) RAMOS ARIZPE AUTOMOTIVE COMPLEX (RAAC) WATER CONSERVATION AND REUSE PROGRAM Application presented to The Stockholm Water Industry Award 2001

1) Continuous intensiv wafer conservation program WELL WATER INDUSTRIAL USERS vaporation losses DESALTING Assembly plant Brackish SYSTEMS Engine& Transmission plants (Reverse osmosis Desalt (to industrial and DOMESTIC USERS domestic users brine(desalting Assembly pl Engine Transmission plants by-product E5-% 2) Brine Treatmen Physical-chemi treatm ent fo (Softening/Microfiltration/ Engine Transm Desalted brine Reverse Osmosis) plants wastewater plants wastewater to industrial and domestic users treatment for S antary onsen trated astewate atment fo X Evaporation astewate Sol ids salts 3) Solar evaporation r----- EVaporation i 3)Treated industrial Treated water effluent) treatment GMM Water Management To reuse duct of System -6 main programs garden irrigation) wastewater reuse effuent recovery NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard GMM Water Management System — 6 main programs

WATER CONSERVATION PROGRAMI ME Fig. 2. -Variation of RAAC well water withdrawal 1600 1400 E 1200 1000 E已 600 400 200 ∮卧∮∮心φ乎」小 NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard WATER CONSERVATION PROGRAMME

O RECOVERY OF WELL WATER TREAIMENT BY-PRODUCT STREAM Fig 3 -FLOW DIAGRAM OF THE BRINE RECOVERY SYSTEM INSTALLED AT GM DE MEXICO RAMOS ARIZPE COMPLEX NacO NaoH Well water RO BRINE COLLECTION SOFTENING REACTION TANK MF CONCENTRATE MF PROCESS FILTRATION MF PERMEATE BRINE RO PERMEATE [TO POTABLI PROCESS WATER Anti FEED TANK FILTER sealant BRINE R O PRESS EVAPORATION A SALTS TO DISPOSAL CONCENTRATE OLAR EVAPORATION POND NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard RECOVERY OF WELL WATER TREATMENT BY-PRODUCT STREAM

Before implementation of Brs After implementation of BRS Well water Well water Usable water Well water Well water Usable water (100%) RO (67-73%)(100%) RO 73%(94.6%) By-product By-product (27%) (33-27%) BRS RO 21.6% By-product 5.4% NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard

SOLAR PONDS FOR FINAL BRINE EVAPORATION BRINE CONTAINM ENT TRENCH POND 3 POND 4 POND 15 POND 14 POND 2 POND 5 POND 13 POND 6 POND 12 POND 1 POND 7 POND 11 POND 8 POND 9 POND 10 RO REJECT NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard SOLAR PONDS FOR FINAL BRINE EVAPORATION

O TREATMENT AND RECOVERY OF INDUSTRIAL AND SANITARY WW INDUSTRIAL WW ENGINE OILWNATES INDUSTRIAL BIOLOGICAL PLANTS (ULTRAFILTRATCN) SYSTEM SANITAR Ww SANITARY SANITARY BIOLOGICAL PRECIPITATXCN PLANT ROCKPLANT ROCKPLAN CANNA LILIES CAT·TALs) FILTER CISTERN -- CISTERN REVERSE OSMOSIS MICROFILTRATION PSPHAT NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard TREATMENT AND RECOVERY OF INDUSTRIAL AND SANITARY WW

Fig 6 -Variation of RAAC well water withdrawal and production 700 1400 3600 L200 已:500 L000日 400 200 400 100 200 图 Well w ater w ithdraw a Manufactured engines Manufactured transmissions Assembled vehicles NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard

Fig. 7. -Variation of well water withdrawal per unit of productio 25 日母 日aaa日a 0.6 0,4 亠…······ ⊕卧∮∮∮妒∮小 Y L--m3lassembled vehicle_-a-m3/engine or transmission NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard

Fig 8 -Variation of water consumption(from different sources)per unit of production 25 1.0 0.8 15 0.6 4ah 好一场 0.2E9 0.0 m3/assembled vehicle -mB/engine or transmission NINU- Norwegian University of Science and Technology Prof Hallvard Odegaard Dep Hydraulic and Environmental Engineering

NTNU - Norwegian University of Science and Technology Dep. Hydraulic and Environmental Engineering Prof. Hallvard Ødegaard