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HomeMy WebLinkAbout97.Item 5 PPP 12-12-18 Admin Committee - Odor and Corrosion Control AN AIN t.4- M v � R • MP EN Odor and Corrosion Contro r,. Umesh Murthy, Engineering Supervisor -�A, December 12, 2018 • 's 1 ' Agenda • Odor generation at service areas and plants • Relationship between odor and corrosion • Odor control tools/ methods • Levels of service Collections Systems �Odor : 1 Odor : Corrosion 40 Alanholes Alanholes Air Release Valve Corrosion Rising Mains Pump Statio 11000dor : Corrosion Pressure Point Gravity Sewers . . . . . . . . . . . . . . . . . . . . . . . . . Sewage Treatment Plant Air Jumper - Treatment Plants 1„ : 1„ : 1„ 1„ : W GWRS Ocean Headworks - ; 55�5�e Primary Clarifiers Aeration Basins Gt1p� Clean Air Clarifiers Cp1e ............................{..................... Return Activated Sludge Caustic , Dosing lot oil Mg(OH)2 Ca(NO3)2 Blogas H,S Iron Salts Solids Flow Water Flow Biosolids to Disposal Thickeners Dewatering Digesters Odor and C f I C, > Corrosion _- Location of H 2 S T , Oxidizing Bacteria AIR Wastewater Sulfate + Bacteria + NO - Oxygen = HZS Slime Layer F Settled Solids Sulfide Transformation in a Gravity Sewer Odorants Detected at OCSD Odorant Odor Description Rotten Eggs Rotten Vegetable (Cabbage) Marshy / Swampy Sulfur Based Canned Corn Skunk Garlicy Burnt Rubber Coffee Grounds Ammonia Nitrogen Based Cat Urine Fishy Fecal Whyr dor Control ?. • Quality of life - Odor is a nuisance/ unpleasant (complaints ) • In some cases odors may be a health hazard ( risk to employees ) • Odorous compounds can cause corrosion ( asset preservation ) • SCAQMD compliance How do we control odor and corrosion '.? * Planning , design , and construction of CIP projects * Best management practices w 107 �► f • 1 ROM ,� • , . - � • • • • • • • I • • • • • • �• % I I �• fo �••••�•�•�•� ►=•si ••�•••••••••••••••••••••••i1••�1 i M-��or�-a- -Tbil Yi I I O 1 ■M 1 1 Ll cn s L L l 'l r N 1Em 0 IF IF Ld 111 Ll s LA BREA HABRA Pacific Quality Partners (PQP) Brea Yorba Linda -Pacific Haer FULLE ON PLAC TIA YORBA LINDA Odor Control Station g (Siphon Treatment) k P Buena ar • 36 Caustic Slug Dosed Manholes U A E Bioscrubber PA LA 9 Chemical Dosing Stations L ANAHEIM Chemical Tanks: Ferrous Chloride (6) Y RES VILLA r PARK TANT N Calcium Nitrate (4) OS GARD ORANGE A MITO, GGSD GRO E Magnesium Hydroxide (3) d Tiffany PS Continuously-Dosed Sewer Segments: WESTMINIST Sunflower �SeahBeach �� Midway City Baker-Main (Airbase) PUmp{Station Sanitary DIStrICtsAN Knott Interceptor oUN N TINccr—nn Miller-Holder ALL HUNTINGTON Main St Newport BE Pump Station COSTA IRVINE Non-Dosed OCSD Sewer MESA � IRWD NEWPOR-- Michelson e BEACH WWTP Bay Bridge N Pump Station Crystal Cove Ak Pump Station Odor -Control Methods Tools ago& I ! I l l IMF ► l'� � � lf ► Il ! l � 41'�'1� l l.{ �tIIIIPilllllllllllltll Seal Beach • • I 1 fllllktbl�llllllllllllli�f l`II; I{lllllll Illtll1111111�1Ift Case of Iff"f9fiscr • • • • ltrt { I lllijill6�1 ty{`ff{t�fijli{Iff��►iilf� / / I E 'f'fff��ff�`f'fl r i r : . : -- f �fIf0: I f f - I f f {f Yorba Odor Control CypressBatch Dosing StationBioscrubber Critical - ewer Manhole Inserts rS' t _ - 17 �J r ---------- ' Bugs t - --------- Polymeric - amine H2S is turned into a stable Biological - Wood Chip liquid polymer. Nasal Ranger/Odor Boss Mobile Platform son"r=.. TF/SC REACTORS = w • - � 1r Odor C I - 72 c � '"Log7j Mau�— Y O �J ,3iwN Odor Control Tools ( Cont . 4 000 �Df r• r •ram NOR- Remote monitorinq and control . . . . .. . . . . . . . . . . . t0,t.L 10 VMS 2: wad'..!' 1Ar:1 P-• -4&*AgpW Ma+Feb 21 •t hu Feb:i KW*Fr Sawo1s2 WO Your computer OdaLoW age G40 0:7 RTX Gas Log Optical Gas Imaging Camera for Detecting Fugitive Emissions Digester sight Gas Detection glass leak Camera y i • so j , Al I Pro gM6=��� ram � cces Total OCSD Attributable Odor Complaints 100 96 90 80 70 60 55 55 55 50 46 40 30 20 14 10 10 ■ 2012 2013 2014 2015 2016 2017 2018 FY 17 = 18 Strategic goals L -Affink— - - LLLiL L Agency Strategic Goals ( Levels of Service) FY 17-18 LOS Providing Exceptional Customer Service Year End Results Target 1 . Odor Control - - Providing reliable, responsive and affordable services in line with customer needs and expectations Treatment plants odor complaint response within 1 hour. 100% 100% Collection system odor complaint response within 1 working day. 100% 100% Number of odor complaints: (Under normal operating conditions) • Reclamation Plant No. 1 1 0 • Treatment Plant No. 2 2 0 • Collection System 8 12 Thank vV S A N f Tq T�0� G � O/ Q � cc C') o -� THE E