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Var workbook = new XLWorkbook();var ws = workbook.Worksheets.Add("Data Types");var co = 2;var ro = 1;ws.Cell(++ro, co).Value = "Plain Text:";ws.Cell(ro, co + 1).Value = "Hello World.";ws.Cell(++ro, co).Value = "Plain Date:";ws.Cell(ro, co + 1).Value = new DateTime(2010, 9, 2);ws.Cell(++ro, co).Value = "Plain DateTime:";ws.Cell(ro, co + 1).Value = new DateTime(2010, 9, 2, 13, 45, 22);ws.Cell(++ro, co).Value = "Plain Boolean:";ws.Cell(ro, co + 1).Value = true;ws.Cell(++ro, co).Value = "Plain Number:";ws.Cell(ro, co + 1).Value = 123.45;ws.Cell(++ro, co).Value = "TimeSpan:";ws.Cell(ro, co + 1).Value = new TimeSpan(33, 45, 22);ro++;ws.Cell(++ro, co).Value = "Explicit Text:";ws.Cell(ro, co + 1).Value = "'Hello World.";ws.Cell(++ro, co).Value = "Date as Text:";ws.Cell(ro, co + 1).Value = "'" + new DateTime(2010, 9, 2).ToString();ws.Cell(++ro, co).Value = "DateTime as Text:";ws.Cell(ro, co + 1).Value = "'" + new DateTime(2010, 9, 2, 13, 45, 22).ToString();ws.Cell(++ro, co).Value = "Boolean as Text:";ws.Cell(ro, co + 1).Value = "'" + true.ToString();ws.Cell(++ro, co).Value = "Number as Text:";ws.Cell(ro, co + 1).Value = "'123.45";ws.Cell(++ro, co).Value = "TimeSpan as Text:";ws.Cell(ro, co + 1).Value = "'" + new TimeSpan(33, 45, 22).ToString();ro++;ws.Cell(++ro, co).Value = "Changing Data Types:";ro++;ws.Cell(++ro, co).Value = "Date to Text:";ws.Cell(ro, co + 1).Value = new DateTime(2010, 9, 2);ws.Cell(ro, co + 1).DataType = XLDataType.Text;ws.Cell(++ro, co).Value = "DateTime to Text:";ws.Cell(ro, co + 1).Value = new DateTime(2010, 9, 2, 13, 45, 22);ws.Cell(ro, co + 1).DataType = XLDataType.Text;ws.Cell(++ro, co).Value = "Boolean to Text:";ws.Cell(ro, co + 1).Value = true;ws.Cell(ro, co + 1).DataType = XLDataType.Text;ws.Cell(++ro, co).Value = "Number to Text:";ws.Cell(ro, co + 1).Value = 123.45;ws.Cell(ro, co + 1).DataType = XLDataType.Text;ws.Cell(++ro, co).Value = "TimeSpan to Text:";ws.Cell(ro, co + 1).Value = new TimeSpan(33, 45, 22);ws.Cell(ro, co +

1).DataType = XLDataType.Text;ws.Cell(++ro, co).Value = "Text to Date:";ws.Cell(ro, co + 1).Value = "'" + new DateTime(2010, 9, 2).ToString();ws.Cell(ro, co + 1).DataType = XLDataType.DateTime;ws.Cell(++ro, co).Value = "Text to DateTime:";ws.Cell(ro, co + 1).Value = "'" + new DateTime(2010, 9, 2, 13, 45, 22).ToString();ws.Cell(ro, co + 1).DataType = XLDataType.DateTime;ws.Cell(++ro, co).Value = "Text to Boolean:";ws.Cell(ro, co + 1).Value = "'" + true.ToString();ws.Cell(ro, co + 1).DataType = XLDataType.Boolean;ws.Cell(++ro, co).Value = "Text to Number:";ws.Cell(ro, co + 1).Value = "'123.45";ws.Cell(ro, co + 1).DataType = XLDataType.Number;ws.Cell(++ro, co).Value = "Text to TimeSpan:";ws.Cell(ro, co + 1).Value = "'" + new TimeSpan(33, 45, 22).ToString();ws.Cell(ro, co + 1).DataType = XLDataType.TimeSpan;ro++;ws.Cell(++ro, co).Value = "Formatted Date to Text:";ws.Cell(ro, co + 1).Value = new DateTime(2010, 9, 2);ws.Cell(ro, co + 1).Style.DateFormat.Format = "yyyy-MM-dd";ws.Cell(ro, co + 1).DataType = XLDataType.Text;ws.Cell(++ro, co).Value = "Formatted Number to Text:";ws.Cell(ro, co + 1).Value = 12345.6789;ws.Cell(ro, co + 1).Style.NumberFormat.Format = "#,##0.00";ws.Cell(ro, co + 1).DataType = XLDataType.Text;ro++;ws.Cell(++ro, co).Value = "Blank Text:";ws.Cell(ro, co + 1).Value = 12345.6789;ws.Cell(ro, co + 1).Style.NumberFormat.Format = "#,##0.00";ws.Cell(ro, co + 1).DataType = XLDataTypes.Text;ws.Cell(ro, co + 1).Value = "";ro++;// Using inline strings (few users will ever need to use this feature)//// By default all strings are stored as shared so one block of text// can be reference by multiple cells.// You can override this by setting the .ShareString property to falsews.Cell(++ro, co).Value = "Inline String:";var cell = ws.Cell(ro, co + 1);cell.Value = "Not Shared";cell.ShareString = false;// To view all shared strings (all texts in the workbook actually), use the following:// workbook.GetSharedStrings()ws.Columns(2, 3).AdjustToContents();workbook.SaveAs("DataTypes.xlsx");

Rule of thumb for flux ranges for different source waters. This can be better determined with the help of RO design software.Feed Water Source Gfd FluxRO Permeate Water 20-30Brackish Well Water 14-18Brackish Surface Water 10-14Sea Water 8-12Sewage Effluent 5-10Understanding the difference between passes and stages in a Reverse Osmosis (RO) systemThe term ‘stage’ and ‘pass’ are often mistaken for the same thing in an RO system, and the terminology can be confusing for an RO operator. It is important to understand the difference between a one- and two-stage RO and a one- and two-pass RO.1 stage vs 2 stage Reverse Osmosis (RO) systemIn a one-stage RO system, the feed water enters as one stream and exits the RO as either concentrate or permeate water.In a two-stage system, the concentrate (or reject) from the first stage then becomes feed water for the second stage. The permeate water collected from the first stage is combined with permeate water from the second stage. Additional stages increase the RO system’s recovery.ArrayIn a reverse osmosis system, an array describes the physical arrangement of the pressure vessels in a two-stage system. Pressure vessels contain RO membranes (usually from 1 to 6 RO membranes are in a pressure vessel), and each stage can have a certain amount of pressure vessels with RO membranes.The reject of each stage then becomes the feed stream for the next successive stage. The two-stage RO system above is a 2:1 array, which means the concentrate (or reject) of the first two RO vessels is fed to the next single vessel.Reverse Osmosis (RO) system with a concentrate recycleIf an RO system cannot be properly staged and the feed water chemistry permits, you can use a concentrate recycle setup where a portion of the concentrate stream is fed back into the feed water of the first stage to enhance system recovery.Single Pass vs Double Pass Reverse Osmosis (RO) systemsThink of a ‘pass’ as a standalone RO system. The difference between a single-pass RO system and a double- pass RO system is how many RO systems the water passes through.In a double-pass RO, the permeate