Cleaning Digester, Clarifiers & Lagoons JR Inman – Vice President
Class Objective • Industrial Pumping • Options • Questions
Industrial Pumping • Digester • Lagoons • Clarifiers
Digester • Maintaining and cleaning will: • preserve maximum capacity • reduce operational downtime • help assure compliance • preserve normal plant operations • prevent emergency incidence and associated costs
Lagoon • • • 1950: The use of ponds had become recognized as an 2014: One third of all secondary wastewater treatment 1980: Approximately 7,000 waste stabilization lagoons economical wastewater treatment method for small facilities include a pond system were in use in the U.S. municipalities and industries
Clarifier • Clarifiers are used in many different industries for similar purposes, pulp and paper, on-site waste, and POTW • Regular maintenance will minimize the negative impact of debris buildup before it has a noticeable effect on the efficiency of the treatment process * Pumping a three million gallon clarifier Simpson Tacoma Kraft Paper Mill
Options When cleaning a DIGESTER, LAGOON or CLARIFIER, there are many QUESTIONS that need answers. How long has it been since your last cleaning? Are you under time restraints due to plant operations? Do you have equipment or space to use to help mitigate costs?
Questions to ask Will you be disposing on or off site? Are there budget guidelines? Are you doing a remodel of existing plant? Do you need the system live during this process? Do you have other material that needs to be by-passed? Does the contractor need to find site for disposal?
Cleaning Digester
Cleaning Digester
Cleaning Digester
Cleaning Digester
Cleaning Digester
Cleaning Digester
Cleaning Digester
Cleaning Digester
Cleaning Lagoon
Cleaning Lagoon
Cleaning Lagoon
Cleaning Lagoon
Cleaning Lagoon
Cleaning Lagoon
Cleaning Clarifiers
Cleaning Clarifiers
Cleaning Clarifiers
Cleaning Clarifiers
Disposal Options
Disposal Options
Disposal Options
Disposal Options
Disposal Options
Disposal Options
Disposal Options
Disposal Options
Disposal Pretreatment
Disposal Specialized Equipment
Disposal Solids
Disposal Solids
Disposal Solids
Disposal Solids
Special Situations – Lift Station Servicing
Use of Vactor Trucks
Use of Vactor Trucks
Use of Vactor Trucks
Special Situations – Fish Ladder Maintenance
Things to think about Is there an on-going maintenance program for cleaning the digester and clarifier? Trucks to move gallons of liquid/bio-solids per day Possibility of needing specialized equipment Timetable to complete job Experienced people to do the tough job How do we clean our digester and/or clarifier with minimum downtime?
Any Questions? THANK YOU !
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