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Excel modifications follow-up with VBA Codes

February 10, 2021

Codes VBA Suivi des modifications Dans le processus de suivi de la traçabilité, il est nécessaire de faire un suivi des changements effectués sur les documents électroniques. Dans le cas présent, il s’agit des données entrées dans un fichier Excel. Ce code permet en de copier les modification effectuées dans les cases d’un onglet dans ... Read More »

Small reverse osmosis parts and devices

January 7, 2021

Pre-Treatment Lockout Sends a signal to the RO system when a pre-treatment lockout condition occurs Tank Level Input Sends a signal to the RO system when a tank full or tank low condition occurs S150 Expander Board I/O expander board allows for 2 additional relay outputs and 1 additional switch input S150 Dual TDS Board ... Read More »

Membrane system feed flush

June 16, 2020

FLUSHING RO SYSTEM During flush, pump is off. Feed water is around 60 psi, permeate divert solenoid valve is closed, but diverted permeate pressure that is around 30 psi (less than inlet pressure) cannot enter in feed flush because inlet water pressure is too high. So permeate in note recycled. During production, when diverted permeate ... Read More »

Membrane system -simulation 3-4040

June 16, 2020

Case-specific: Membranes LE-4040 5000 GPD With recycle and 75% recovery   Feed Flow to Stage 1 7.63 gpm Raw Water Flow to System 4.63 gpm Feed Pressure 105.55 psig Flow Factor 0.85 Chem. Dose (100% H2SO4) 0.00 Total Active Area 282.00 ft² Water Classification: Well Water SDI < 3 Pass 1 Permeate Flow 3.47 gpm ... Read More »

Landscape

November 7, 2017

How to embed Youtube into your website Powered by flickr embed. Read More »

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