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The attribute of wastewater generated from fish steamer is grease, natural matter and fishy scent, if discharged straight into the setting, it can severely pollute the water supply and have an effect on public well being. The therapy of fish steamer wastewater is extraordinarily obligatory to attenuate the adverse impression on the residing setting and adjust to the regulation on environmental safety. Within the content material under, please seek advice from Fish steamed wastewater therapy system.
1. Supply generated and traits of fish steamer wastewater
Relying on the wants of the consumption market, the fish steamer has completely different steaming and processing processes. Right here is the method of processing steamed tuna at a manufacturing facility:
Steam tuna processing course of
Uncooked supplies> freezing> wash> Dimension> Organize steaming tray> Put in steaming cupboards, steaming fish> Steaming cupboards> Cooling> Processing phases (eradicating bones, taking small bones, blood bruises)> Get rows, molding> Freezing> Packaging> Storage> Exporting items
From the above processing course of, it may be seen, Wastewater generated from phases as follows:
– Wastewater from the uncooked materials receiving space;
– Wastewater from processing (frozen, washing, steaming, cooking, cooling, tools hygiene);
– Wastewater from the realm of seafood waste;
– Wastewater from the system of boiler emissions, boiler drainage;
– Wastewater from sludge presses, scrap homes.
Along with manufacturing wastewater, there’s additionally home wastewater (wastewater from bathroom, wastewater from workplace hygiene actions, bathroom flooring, lavabo, wastewater from the cafeteria).
Traits and properties of manufacturing wastewater
Wastewater is darkish brown, fishy odor (because of natural compounds can produce H2S, NH3 causes odors), excessive temperatures as a result of means of cooking fish.
- Ingredient: Incorporates greasy, protein, natural matter decomposed from the pinnacle, bones, organs, fish particles, scum, and mosquito off.
- Air pollution: COD, excessive BOD, massive TSS, wealthy in nitrogen (nh₄⁺, TKN) and phosphorus, simply polluting the setting if not dealt with.
- Processing request: Must separate grease, cardio organic therapy/fuel deficiency to scale back natural load.
2. Fish steamer wastewater therapy system
Waste water assortment system
Manufacturing wastewater (from the processing of aquatic merchandise, wastewater from the realm to obtain uncooked supplies and wastewater from the waste of aquatic merchandise, wastewater from the mud press, scrap homes)> Assortment pit> System of XLNT>
Wastewater from bathroom> 3 -compartment septic tank> System of XLNT> Receiving supply
Wastewater from workplace hygiene, bathroom flooring, lavabo> System of XLNT> Receiving supply
Wastewater from the cafeteria> fats separation tank>> System of XLNT> Receiving supply
Abstract of know-how course of
Wastewater> Grease assortment and separation pits> pH adjustment tanks> DAF floating tanks> Capacitor and cotton creation> Bodily sedimentation tanks> Organic hydrolysis regulating tanks> UAF anaerobic organic filter tanks> Nitrogen particles> MBBR tanks> Cardio organic tanks> Organic sludge tanks> Phosphorus tanks> disinfectant tanks> submit -treatment wastewater to fulfill requirements and discharge into the setting and discharge into the setting and discharge into the setting and discharge into the setting and discharge to the setting.
Processing course of
Waste water assortment system: All wastewater generated from the residing and manufacturing course of will probably be collected to the manufacturing facility's wastewater therapy system. On the assortment pit is organized with rubbish combs to retain uncooked rubbish, massive solids, keep away from affecting equipment and tools within the wastewater therapy system.
From assortment pits, wastewater is pumped right into a floating tank to take away oil and fish fats.
Floating tank cluster (cotton tank, pH adjustment tank, floating tank)
– Coagulation: On the tank, the PAC answer will probably be enlarged into the water to precipitate the sediment, then the wastewater will circulate by the cotton tank.
– Cotton tank: Carry out the method of conclusion with polymer answer after which the waste water flows into the central sedimentation tube of the bodily sedimentation tank to take away SS and a part of COD.
– Bodily and chemical sedimentation tank: The mud will settle to the underside of the tank, and the wastewater will rise to the floor and circulate into the organic hydrolysis tank
– UAAF semi -anaerobic organic filter tank: Begin the anaerobic decomposition course of to deal with COD parts in wastewater. The anaerobic therapy takes place due to the exercise of anaerobic microorganisms floating within the biomass mud, often known as the floating sludge cushion within the tank holding due to the regular hydraulic mode and methane air drainage.
– Tank cluster: Nitrogen -reducing tanks, MBBR tanks, cardio tanks: Waste water after the semi -anaerobic organic filter has considerably diminished the BOD, COD and self -flowing parts into the lowering nitrogen tank, MBBR tank. There’s a robust cardio biodegradation course of and in order that the BOD content material is considerably diminished. In parallel, it’s ammonium conversion (NH4+) into nitrate (NO3-)
– Sedimentation tank: Biomass mud to the underside of the tank and part of the mud pumped to the lowering nitrogen tank, the residual sludge is taken to the sludge tank.
– Disinfect: Disinfect wastewater after therapy to make sure microorganisms and viruses are destroyed, making certain security for the receiving supply.
– Sludge tank: The mud is compressed to attenuate the quantity, then pumped into the mud press to separate the water, cut back the quantity. The mud after a separation of water is collected and processed by the unit.
– Chemical compounds and supplies used: NaOH, Polymer, PAC, chemical compounds for phosphorus (or different chemical compounds equal) to make sure the standard of water after therapy.
Above is a few details about Fish steamed wastewater therapy system. For processing amenities with completely different capability and processing processes, the know-how diagram will probably be designed accordingly.
Companies are in want of wastewater therapy of steamed kilns or different industries, please contact Hotline 0938.857.768 Or ship a worth supply to the worth E-mail: congthongtin@moitruonghopnhat.comThanks.