Remedy of purse manufacturing wastewater

A manufacturing and processing facility for purses and baskets (with printing phases). Throughout the manufacturing course of, there’s a each day -life wastewater of 30m3/day. Evening and manufacturing wastewater 20m3/day. Evening (primarily from the printing of printing molds). To guard the setting, the proprietor has invested in wastewater therapy system with a capability of 60m3/day. Invite you to check with detailed details about the wastewater therapy system to provide purses by the content material under.

1. Supply arising and wastewater traits

– Manufacturing wastewater: Wastewater from the printing strategy of the printing manufacturing facility

– Wash water ink of printed molds

– Home wastewater arising from the cafeteria, consuming and consuming actions of workers.

– Waste water generated from the bathroom of workers and staff.

Manufacturing wastewater traits: Wastewater normally has darkish colours (black, blue, pink or purple relying on the kind of ink used), comprises excessive natural matter content material, massive fluctuations, heavy metals, grease and surfactants.

Traits of home wastewater: Incorporates natural substances, suspended solids, vitamins, grease, pathogenic microorganisms.

From the evaluation of traits and properties of wastewater of manufacturing wastewater, wastewater therapy know-how is a bodily and chemical mixture of filtering, then continued to deal with by Biotechnology.

2. Waste water therapy system

2.1. Waste water assortment system

Assortment system Manufacturing sewage drainage is related from the tank amassing ink residue of the printing space, … pumping in response to the UPVC D49-60 pipeline; result in the final cooperative of the institution.

– Canteen wastewater> Furnishings, grease separation> centralization system, capability of 60m3/day.

– Wastewater from bogs> Septic tanks> centralized programs, capability of 60m3/day.

– Manufacturing wastewater> Preliminary manufacturing wastewater therapy system> centralized wastelity system, capability of 60m3/day.

Wastewater after therapy reaches QCVN 40: 2011/BTNMT, column A

2.2. Waste water therapy course of

Preliminary therapy system for manufacturing wastewater: Ink wastewater> 3 -compartment pool> Ozone tanks or flocculation (PAC, Ozone)> Bodily sedimentation tank> Multi -layered filter tank> Air con tank of the Basic XLNT system

Strategy of common wastewater therapy system

Wastewater> Assortment tanks, decanted pumps> Cardio tanks> Anoxic tanks> Cardio tanks> Organic sedimentation tanks> disinfection tanks> pump + Stress filter column> After therapy, QCVN 40: 2011/BTNMT, column A

2.3. Processing course of

Assortment tank, decant pump

– Used to gather home wastewater contains from the bathroom behind the septic tank and from the Tin space, the kitchen behind the greasy fertilizer, the place there are 03 assortment tanks, decant the pump to separate the residue, grease remaining earlier than pumping to the regulating tank.

– On the assortment tank, the pump organized 02 pumps to pump to the air conditioner tank;

– Wastewater is produced after a multi -layered filter tank immediately into the regulating tank.

Air conditioner

– The tank regulates with the duty of regulating the circulation and focus of contaminants within the wastewater stably earlier than being put into the rear items, particularly the organic tank cluster that helps the microorganisms can adapt to wastewater in steady situations, avoiding the microorganisms shock.

– On the air-conditioning tank, there are 02 pumps with anti-shallow buoys used to manage the circulation for the wastewater system with the quantity of wastewater arising for 08 hours to be regulated to pump to Anoxic tank for about 14-16 hours/day.

Anaerobic

– The consequences of anaerobic tanks are used to decompose compounds which can be tough to decompose from manufacturing wastewater, earlier than going by the following organic phases;

Anoxic tank

– Organic tanks are missing in fuel or anoxic tanks for the primary goal of lowering nitrogen from the conversion of nitrates into free nitrogen. Within the deficiency of fuel, the biochemical oxidation of soluble natural substances and glue in wastewater beneath the participation of microorganisms. The microorganisms consuming soluble natural substances are largely to generate energetic vitality (80%) and the remainder are progress, create new cells so the quantity of mud produces little or no, and produces a considerable amount of CH4, CO2, H2S …

– Within the strategy of lack of fuel at anoxic tank, acinetobacter micro organism will probably be concerned to be able to help the conversion of natural compounds containing phosphorus into new compounds to fully remove phosphorus, serving to cardio microorganisms simpler to decompose. And Nitrosomonas and Nitrobacter micro organism have the operate of supporting efficient lowering nitrate. The reactions happen in response to the next equation: + Nitrification response: NH3 → NO3 → NO2 → NO → N2O → N2 (Fuel) + Response

– Phosphorit: PO4 3- Microorganism (PO4 3-) Salt => Sludge + tank with helpful sizes (therapy for therapy water) is 1.05x01x, 2.5 m; The minimal retention time is: 04 hours (assembly steady stability). Dealing with effectivity on this interval can attain 70% for nitrogen. The metabolism of N is supported by the submerged stirring system and cardio microorganisms from the organic sedimentation tank. After the anoxic tank interval, the wastewater flows by the Aerotank tank.

Aerotank tank

– Aerotank cardio organic therapy tank makes use of suspended activated sludge with particular microorganisms for cardio decomposition course of. The air is enhanced by massive -capacity air blower by the system of fuel distribution gear organized on the backside of the tank, guaranteeing the quantity of dissolved oxygen in waste water from 2 – 4 mg/l to make sure the availability of ample oxygen for dwelling microorganisms and natural consumption in wastewater.

Organic settling tank

– Constructed goals to settle the suspended matter, microorganisms that exist after cardio therapy and in addition to proceed the method of decomposing part of the natural substances left in wastewater. There are 02 mud pumps, fully week pumps to Anoxic tanks. Wastewater from organic settling tanks will circulation to the disinfection tank

Disinfect

– After the wastewater is handled in organic settling tanks will probably be transferred to the disinfection tank. The method of processing with chlorine has the impact of disinfecting, toxicity of water, fixing the odor arising from organic, disinfecting water.

Stress filter system

– The multi -layered strain filter tank works to take away the remaining suspended solids after the processing course of. Guarantee publish -treatment wastewater meets the permitted requirements.

Sludge tank

– The sludge tank is used for sludge generated from the residual mud strategy of the organic sedimentation system, as a result of the mud is totally weekly to make vitamin for microorganisms, so the sludge is much less arising, periodically about 24 months, checking the quantity of microorganisms after half-hour on the cardio tank if the quantity exceeds 60%, the mud formed on the mud pump is circulated inside 04 hours, in order that the quantity of microorganisms falls to about 40%, the system will proceed to function the system.

– Wastewater after therapy is achieved QCVN 40: 2011/BTNMTcolumn A and is discharged into the receiving supply.

3. Specs of tanks within the wastewater therapy system

Above is a few details about Purse manufacturing wastewater therapy system With a capability of 60m3/day. Evening. In reality, the method and diagram of wastewater therapy know-how at every manufacturing facility will probably be designed to be totally different relying on many elements equivalent to: the dimensions, capability of the plant, the circulation of wastewater, element traits, wastewater properties, water high quality necessities, system funding prices, building space, system set up.

Companies want recommendation, design Development of wastewater therapy systemPlease contact Zalo/Hotline 0938.857.768 Or ship a worth provide to the worth E-mail: congthongtin@moitruonghopnhat.com.