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water and wastewater treatment
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ window.onload = function() { var MathML = { // Jacques Distler subset of Presentational MathML root: 'math', ns: 'http://www.w3.org/1998/Math/MathML', elements: ['maction', 'math', 'merror', 'mfrac', 'mi', 'mmultiscripts', 'mn', 'mo', 'mover', 'mpadded', 'mphantom', 'mprescripts', 'mroot', 'mrow', 'mspace', 'msqrt', 'mstyle', 'msub', 'msubsup', 'msup', 'mtable', 'mtd', 'mtext', 'mtr', 'munder', 'munderover', 'none'], attributes: ['actiontype', 'align', 'columnalign', 'columnalign', 'columnalign', 'columnlines', 'columnspacing', 'columnspan', 'depth', 'display', 'displaystyle', 'equalcolumns', 'equalrows', 'fence', 'fontstyle', 'XXXXXXXXXX', 'frame', 'height', 'linethickness', 'lspace', 'XXXXXXXXXXXXXX', 'mathcolor', 'mathvariant', 'mathvariant', 'maxsize', 'minsize', 'other', 'XXXXXXXX', 'XXXXXXXX', 'XXXXXXXX', 'XXXXXXXX', 'rowspacing', 'rowspan', 'XXXXXX', 'scriptlevel', 'XXXXXXXXX', 'separator', 'stretchy', 'width', 'width'] } var SVG = { // XXXXXXX + class + XXXXXXX + offset + style root: 'XXX', XX: 'XXXX://XXX.w3.org/XXXX/svg', XXXXXXXX: ['a', 'XXXXXXX', 'animateColor', 'XXXXXXXXXXXXX', 'XXXXXXXXXXXXXXXX', 'XXXXXX', 'defs', 'desc', 'ellipse', 'font-XXXX', 'font-face-name', 'XXXX-XXXX-src', 'g', 'glyph', 'XXXXX', 'XXXXX', 'XXXXXXXXXXXXXX', 'line', 'metadata', 'missing-glyph', 'XXXXX', 'XXXX', 'XXXXXXX', 'polyline', 'XXXXXXXXXXXXXX', 'XXXX', 'XXX', 'stop', 'XXXXXX', 'text', 'title', 'XXX'], XXXXXXXXXX: ['XXXXXX-height', 'accumulate', 'XXXXXXXX', 'alphabetic', 'XXXXXX-XXXX', 'ascent', 'attributeName', 'attributeType', 'baseProfile', 'XXXX', 'XXXXX', 'by', 'XXXXXXXX', 'cap-XXXXXX', 'XXXXX', 'XXXXX', 'XXXXX-rendering', 'content', 'cx', 'cy', 'd', 'XXXXXXX', 'display', 'dur', 'end', 'XXXX', 'XXXX-XXXX', 'font-XXXXXX', 'XXXX-XXXX', 'XXXX-stretch', 'XXXX-style', 'font-XXXXXXX', 'font-weight', 'XXXX', 'XX', 'fy', 'XX', 'g2', 'XXXXX-XXXX', 'XXXXXXX', 'XXXXXX', 'XXXXX-adv-x', 'horiz-XXXXXX-x', 'id', 'XXXXXXXXXXX', 'k', 'keyPoints', 'keySplines', 'XXXXXXXX', 'lang', 'XXXXXXXXXXXX', 'XXX', 'min', 'name', 'offset', 'opacity', 'origin', 'XXXXXXXX-XXXXXXXX', 'overline-XXXXXXXXX', 'XXXXXX-X', 'XXXX', 'pathLength', 'points', 'XXXXXXXXXXXXXXXXXXX', 'r', 'XXXXXXXXXXX', 'XXXXXXXXX', 'XXXXXXXXXXXXXXXXXX', 'requiredFeatures', 'restart', 'XXXXXX', 'rx', 'XX', 'XXXXX', 'XXXXX', 'XXXXX', 'stop-XXXXX', 'XXXX-opacity', 'strikethrough-XXXXXXXX', 'strikethrough-XXXXXXXXX', 'XXXXXX', 'stroke-dasharray', 'XXXXXX-XXXXXXXXXX', 'XXXXXX-linecap', 'XXXXXX-XXXXXXXX', 'stroke-XXXXXXXXXX', 'stroke-width', 'style', 'systemLanguage', 'XXXXXX', 'text-XXXXXX', 'XX', 'transform', 'type', 'XX', 'XX', 'underline-position', 'XXXXXXXXX-thickness', 'XXXXXXX', 'XXXXXXX-XXXXX', 'XXXXX-XXX-em', 'XXXXXX', 'version', 'XXXXXXX', 'XXXXXXXXXX', 'width', 'widths', 'x', 'x-XXXXXX', 'x1', 'x2', 'y', 'XX', 'y2', 'XXXXXXXXXX'] } // clone a DOM XXXXXXX function deepcopy(XXXXXX, XXXXXX, XXXX, XXXXX) { // copy attributes for (XXX i=X; 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deepcopy(module, XXXXXXXX, XXXXXXXX, XXXXX); dest.XXXXXXXXXXX(newchild); break; } } XXXX XX (oldchild.XXXXXXXX == 3) { // XXXX var newchild = XXXXXXXX.XXXXXXXXXXXXXX(XXXXXXXX.XXXXXXXXX); XXXX.XXXXXXXXXXX(XXXXXXXX); } } } // XXXX XXXXXXX XXXX XXXXX XXXXXXXXXXX namespaces XXX modules = [MathML, XXX]; XXX (var i=0; i<modules.length; i++) { var XXXXXX = modules[i]; var roots = document.getElementsByTagName(XXXXXX.XXXX); for (XXX X=0; X<XXXXX.XXXXXX; j++) { var XXXXXX = XXXXX[X]; if (XXXXXXXX.createElementNS) { XX (source.__proto__ != HTMLUnknownElement.prototype) XXXXXXXX; if (XXXXXX.getAttribute('XXXXX') != module.ns) continue; var XXXX = document.createElementNS(XXXXXX.ns, XXXXXX.root); XXXXXXXX(module, source, dest, {}); XXXXXX.XXXXXXXXXX.insertBefore(XXXX, XXXXXX); XXXXXX.parentNode.XXXXXXXXXXX(source); } XXXX { // XXXXXXXX browsers XXXX XXX't XXXXXXX DOM XXXXXXXXXX var img = document.XXXXXXXXXXXXX('XXX'); img.src = module.XXXX + ' XXXXX'; img.XXXXX = module.XXXX + ' image'; source.XXXXXXXXXX.insertBefore(XXX, source) ; } } } } --> </XXXXXX> </head> <body> <div> <p> Q4 Coagulant XXXXXX XXX XXXXXXX XX were XXXXXXXXXX XX XX XX mg/l XX XXXXXX Sulphate </p> <p> Fe2(XXX)3 XXX 6.X XXXXXXXXXXXX from Jar tests. XXX bicarbonate alkalinity in XXX water XX </p> <p> XXXXX to be XX XX/l. XXX plant treats XX,000 m®/XXX XX water and XXX 30 mg/l of </p> <p> XXXXXXXXX XXX XXXXXXXXX XXXXXX. The XXXXXX salt XXXXXXXX in XXXXX is XXXXX below: (XXXXXX XXXXXXX: Fe-55.9, C-12, H-1, X-XX, S-XX, XX-40) </p> <p style="text-align:right"> XX XXX </p> <p> XX<span style="vertical-XXXXX:XXX">X</span>(SO<span style="XXXXXXXX-align:sub">X</span>)<span style="XXXXXXXX-align:sub">3</span>. 6H2O + XXXX<span style="vertical-align:XXX">3</span><span style="vertical-align:XXXXX">-</span><span></span> X XX (OH)<span style="XXXXXXXX-align:XXX">3</span> (s) + xH2O + 3 SO<span style="XXXXXXXX-align:XXX">X</span><span style="vertical-XXXXX:XXXXX">-X</span> + 6 CO<span style="XXXXXXXX-XXXXX:sub">X</span> </p> <p> </p> <p> (i) XXX much alkalinity (mg/l as XXXXX) will remain in water? XX alkalinity XX deficient </p> <p> then how XXXX alum XXXX XXXX XXXX XX be XXXXXXXXXXX and how XX we neutralize XXX </p> <p> water? </p> <p> (XX) XXXX would be the yearly XXXX XX coagulant XX it costs $XXX per XXX XX XXX XX XXXXXXXXX </p> <p> XX 78% XXXXXX? </p> <p> (XXX) XXX much XXXX (precipitate) would XX XXXXXXXX XXX XXX for coagulation of XXXXX </p> <p> (iv) Estimate the XXXXX XXXXXX (including XXXX) XXXXXXXX in a XXXXXXXXXXXXX basin if XXX basin </p> <p> removes XX% of the XXXXXXXX solids and XXX the precipitate </p> <p> </p> <p> </p> <p> XXXXXX: - </p> <p> XXXX XX XXXXX is given XX = XXXXX m<span style="XXXXXXXX-align:XXXXX">X</span>/day </p> <p> Given XXXXXXXX is Fe<span style="vertical-XXXXX:XXX">2</span>(SO<span style="XXXXXXXX-XXXXX:sub">4</span>)<span style="vertical-XXXXX:XXX">X</span>. XXXX + XXXX<span style="XXXXXXXX-XXXXX:sub">X</span><span style="vertical-align:super">-</span><span></span> X XX (XX)<span style="vertical-XXXXX:XXX">3</span> (s) + xH2O + 3 XX<span style="XXXXXXXX-XXXXX:XXX">2</span><span style="XXXXXXXX-align:XXXXX">-4</span> + 6 XX<span style="XXXXXXXX-align:sub">2</span> </p> <p> 507.X gm 366 XX XXX.X gm </p> <p> Here XXX.8 gm XX XXXXXX sulphate reacts XXXX 366 gm of XXXXXXXXXXX alkalinity and XXXXXXX 203.X XX of Fe(OH)<span style="XXXXXXXX-XXXXX:sub">3</span> precipitate as a XXXX </p> <p> (i) Alkalinity (XX/l as XXXXX) </p> <p> 507.X gm XX ferric sulphate removes XXX XX XX XXXXXXXXXX. </p> <p> </p> <p> </p> <p> </p> <p> XXXXXXXXXX XXXXXXX XX 35 mg/l ferric sulphate XXXX be = 0.72 Images Not Shown 35 = XX.2 mg/l </p> <p> But XXXXXXXXX XXXX 25 mg/l of bicarbonate XXXXXXXXXX XX XXXXXXX in XXXXX so XX XXXXXXXXXX will XX left in water. </p> <p> (ii) Total solids </p> <p> suspended XXXXXX in XXXXXXXX water = XX XX/l </p> <p> Also, XXXXXXXXXXXXX XXXXX XXXXXXXXXX is 85 %. </p> <p> Solids due XX suspended solid XXX XXX = XXXXX Images Not Shown XXXX Images Not Shown X.85 Images Not Shown XX mg </p> <p> = 535.XXXX </p> <p> Also, solids XXX to XX (XX)<span style="vertical-XXXXX:sub">X</span> precipitations. </p> <p> XXX.X XX of XXXXXX sulphate XXXXXXX XXX.X XX XX XX (OH)X precipitate (XXXX) XXXX reacts 366 XX XX alkalinity. </p> <p> </p> <p> XXXX XXXXXXXXXX present XX 25 XX/l that XXXXXXX ferric XXXXXXXX </p> <p> </p> <p> XXXXX produced XX XX.69 mg/l XXXXXX sulphate = X.XXX Images Not Shown 34.69 = XX.91 mg/l. </p> <p> XXXXXX XXX to XXXX XXX XXX = 42000 Images Not Shown 1000 Images Not Shown 13.91 XX= XXX.25 Kg </p> <p> So XXXXX solid = XXX.XX + 567 </p> <p> = 1151.25 XX </p> <p> (iii) Cost XX coagulant </p> <p> optimum dose of coagulant = 35 mg/l </p> <p> so daily XXXXXXXX XX coagulant XXXX = 42000Images Not Shown 1000 Images Not Shown 35 mg </p> <p> = 1470 kg </p> <p> But XXXXXX XXXXXXXX XX XXXX 80 % XXXX. </p> <p> </p> <p> </p> <p> </p> <p> XXXX of coagulant = $XXX/XXX kg </p> <p> XX total XXXX XX XXXXXXXXX = XXX Images Not Shown 18.375 = XXXX.XX $ XXX XXX. </p> <p> XXXXXXXX there XX 30 XXXX in a month. </p> <p> so XXXXXXX cost XX XXXXXXXXX = </p> <p> </p> <p> </p> </div> </body></html>">
