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