Therapy of fish ball processing wastewater

A fish cake processing manufacturing facility has a manufacturing capability of 10 tons of completed merchandise/day (equal to three,000 tons of completed merchandise/yr). Throughout operation, there’s a wastewater era with the most important movement of 298m3/day. Evening (by which manufacturing wastewater is 250m3/day. Evening and home wastewater is about 48m3/day. Evening). To be able to adjust to the environmental safety laws, the manufacturing facility proprietor has invested a wastewater remedy system with a capability of 300m3/day. Evening. In case you are in want of investing in wastewater remedy system processing fish desserts with related capability, please check with the content material beneath.

1. Supply generated and traits of fish ball processing

The method of manufacturing and processing fish desserts on the manufacturing facility is from uncooked supplies (marine fish) bought, then checks the standard, measurement and is washed and put into processing.

Fish Cake Manufacturing Know-how Course of

Receiving elements> 1 first wash> Preliminary processing> 2nd wash> Meating, bone separation> third wash> centrifugal 1.2> Fats> centrifugal 3> Refiner filter> Water urgent> Add additive> Form> Freezing> Metallic Surveying> Packaging> Chilly storage

• From the above processing course of, you possibly can see Wastewater generated probably the most on the stage of washing supplies.
• As well as, manufacturing wastewater additionally generated from actions resembling washing instruments, tools, ground cleansing, wastewater from emissions remedy programs.
• Apart from manufacturing wastewater, there may be additionally home wastewater from the cafeteria, canteen, bogs of workers working on the manufacturing facility.

Traits of fish desserts: Comprises components, fish grease, protein, natural content material, excessive suspended solids, excessive turbidity, attribute scent, bone particles, fish meat, and many others.

Like different sorts of wastewater, fish cake manufacturing must be handled correctly to keep away from inflicting environmental air pollution.

2. Wastewater remedy system

Waste water assortment system

– For home wastewater: Preliminary processing with 3 -compartment septic tanks and related to the manufacturing facility's centralized system.

– For manufacturing wastewater: All the quantity of manufacturing wastewater is collected into the manufacturing facility's wastewater remedy system

Know-how diagram

Know-how diagram of wastewater remedy system for seafood processing manufacturing facility, capability of 300m3/day.

Enter wastewater> centralized assortment tank> Air -conditioning tank> Floating tools> UASB + UASB> ANOXIC TAKE> MBBR + Aerotank Tank> Sedimentation Tank> Disinfection Tank> Receiving Supply

Processing course of

Concentrated assortment tank: There’s the perform of amassing all of the manufacturing facility wastewater for remedy. On the concentrated assortment tank, there’s a littering structure to separate the rubbish, then the wastewater is pumped into the air -conditioning tank with an computerized pump system.

Air conditioner: It’s liable for regulating wastewater when it comes to movement and focus of pollution in wastewater, avoiding overloading the remedy system throughout peak hours. Then again, the air conditioner additionally works to cut back the amount of the rear remedy tanks, leading to lowering funding prices and working prices for the entire system. On the air -conditioning tank, there may be aeration association to deal with part of the natural matter within the wastewater, whereas limiting the anaerobic course of that happens, inflicting the aroma (anaerobic course of that generates a robust odor).

Floating tools: Right here use flocculation chemical substances and flocculation to be crammed with wastewater. The flocculation course of, forming cotton and forming massive sediments. The air bubbles within the flotation machine are able to attracting small grease and sediments in the course of the motion from the underside to the highest. These parts are collected by a mechanism mounted on the floor of the flotation machine.

UAFB + UASB tank

UAFB + UASB tank is split into two fundamental areas:

• The anaerobic mud -containing space: is an energetic mud layer containing anaerobic microorganisms able to decomposing natural compounds, wastewater when coming into the tank first involved with this sludge layer for remedy.
• Sedimentation space: situated above anaerobic mud layer. Wastewater after decomposition will transfer to this space to carry out sedimentation course of. In the course of the anaerobic strategy of UAFB and UASB tanks, soluble and insoluble natural substances might be fully transformed into methane gases (70 – 80%) and CO2 (20 – 30%) by way of 4 processes: hydrolysis, acidification, acetate and methane.

Anoxic tank: Anoxic tank has the perform of lowering nitrate into freelance nitrogen with the participation of microorganisms which might be poor in fuel. Anoxic tank is stirred with submerged stirrers to maintain the mud in a suspended state and to create contact between meals and microorganisms. Wastewater after the Anoxic tank might be led to the MBBR + Aerotank tank.

MBBR + Aerotank tank

• On the MBBR + Aerotank tank of natural substances, the vitamins within the wastewater are decomposed by cardio microorganisms. The air is equipped to the tank with air blows and fuel distribution programs to make sure sufficient quantity of oxygen for dwelling and consuming natural matter in wastewater.
• The organic remedy course of combines with MBBR media to extend the effectiveness of the natural matter in wastewater due to the metabolism, nitrification takes place rapidly and the big microbiological density is concentrated within the cellular media. Wastewater from MBBR + Aerotank tanks might be led to the settling tank.

Sedimentation tank

The settling tank will happen the method of separating mud and wastewater. The settling tank is designed to settle solids within the type of suspension and floating to the underside of the tank. The sedimentation sludge on the backside of the tank is pumped to the sludge assortment tank and is pressed by a sludge and sludge juicer after urgent the gathering, transporting and treating the stable waste to gather and deal with. Wastewater from settling tanks is led to the disinfection tank.

Disinfect

The disinfectant tank has the function of killing pathogens in wastewater earlier than being discharged into the receiving supply. On the disinfection tank, the manufacturing facility will use the disinfectant resolution, chlorine to kill pathogens. The quantity of wastewater of the manufacturing facility after the disinfection tank ensures to fulfill QCVN 11: 2008/BTNMT column B – Nationwide technical regulation on industrial wastewater processing of aquatic merchandise when discharged into native reception.

Sludge tank

The quantity of sludge generated within the settling tank is pumped to the sludge and sludge tanks within the tank pumped onto the sludge juicer to cut back the amount and mass of the sludge. The sludge after urgent might be collected into the container for the gathering unit to gather, the water separates when the sludge is led into the sludge assortment tank to pump to the concentrated wastewater assortment tank for remedy.

Necessities for wastewater high quality after remedy

Specs within the wastewater remedy system

Above is a few details about Waste water remedy system for fish cake manufacturing With a capability of 300m3/day. Evening. You’ll be able to check with the wastewater remedy system with different capability within the class Information environmental trade Web site: moitruonghopnhat.com or direct connection Zalo/Hotline: 0938.857.768 For recommendation rapidly!