Gravity Clarifier Water Reclamation System： Coal chemical industry wastewater treatment is mainly based on removal of carbon, for the purpose of the basic principles of biological denitrification technology is transforming organic nitrogen into ammonia nitrogen, on the basis of using the...
Gravity Clarifier Water Reclamation System：
Coal chemical industry wastewater treatment is mainly based on removal of carbon, for the purpose of the basic principles of biological denitrification technology is transforming organic nitrogen into ammonia nitrogen, on the basis of using the nitrifying bacteria and denitrifying bacteria, ammonia nitrogen by nitrification can be converted to the nitrate nitrogen and nitrate nitrogen, and then through the role of denitrification nitrate can be converted to nitrogen gas, so as to achieve the purpose of removal from wastewater.
At home and abroad in recent years, the use of common biological denitrification process with traditional activated sludge process denitrification process, anoxic, aerobic activated sludge process, biological denitrification system membrane, MBR, oxidation ditch process, SBR process, and anaerobic ammonia oxidation process and so on
Vector mobile bed biofilm method
Carrier moving bed biofilm method (CBR) is actually a carrier based on the special structure of biological fluidized bed technology, the technology will be in the same biological treatment unit biofilm and activated sludge method united together, by adding some special carrier filler in the activated sludge pool make attached microbes grow in suspended filler surface, with a certain thickness of microbial membrane formation layer. Attached to the growth of microorganisms can achieve very high biomass, so biological concentration in the reaction tank is suspended growth 2 ~ 4 times of activated sludge process, up to 8 to 12 g/L, the degradation efficiency and therefore be doubled.
Adding the packing under the disturbance of aeration floating within the reaction tank with water, driving the growth of the adhesion good contact with biological communities and pollutants in water and oxygen, contaminants by adsorption and diffusion into the biofilm and microbial degradation, degradation of overall system efficiency. By microorganisms for attached growth way (different from active sludge suspended growth), flow bed long sludge age of microorganisms on the surface of the carrier (20 ~ 40 d), very beneficial to slow growth of denitrifying bacteria such as autotrophic microbe breeding, packing surface has a large number of nitrifying bacteria breeding, and attached growth way for other special flora of natural selection, and these particular bacteria can effective degradation characteristics of coal gasification wastewater pollutants, especially some refractory pollutants, to obtain lower effluent COD concentration. Therefore, the system has a strong ability of nitrification to remove ammonia nitrogen and COD.
CBR technology can be applied to the treatment of high concentration coal chemical wastewater, and can also be applied to the follow-up unit.
anaerobic bio-treatment method
A technique known as upflow anaerobic sludge bed (UASB) is used to treat coal chemical wastewater, developed by the Netherlands' G.Lettinga et al., in 1977. The wastewater from the bottom up through the bottom with the sludge layer reaction part, most of the organic matter is transformed by microbes into CH4 and C02. In the upper part of the reactor, a three-phase separator is set up to complete the separation of gas, liquid and solid three phases.
In addition, activated carbon anaerobic expansion bed technology is also used to treat coal chemical wastewater, which can effectively remove the action class and heterocyclic compounds in waste water.
Anaerobic - aerobic combined biological method
Related experiments show that the separate calculation aerobic or anaerobic technology coal chemical industry wastewater treatment is not able to achieve a desired effect, and the combination of anaerobic - aerobic biological treatment technology gradually.
After the anaerobic acidification treatment of coal chemical wastewater, the biodegradation performance of organic matter in wastewater was improved significantly, and the removal rate of the subsequent aerobic biological treatment of CODcr was over 90%. Among them, the degradation rate of the organic compounds naphthalene, quinoline and pyridine were 65 %, 55% and 70% respectively, while the general aerobic treatment had less than 20% of the removal rate of these organics.
MBR process is membrane biotechnology, which is a water treatment technology combining high efficiency membrane separation technology with activated sludge method.
The application of hollow fiber membrane effectively intercepts the microorganisms and nitrifying bacteria in the wastewater, so as to make the nitrification reaction efficient, and the ammonia nitrogen in the water can be effectively removed.
At the same time, the waste water can be decomposed into the inside of the reactor to extend its stay time in the reactor until it is decomposed.
Hollow fiber membranes can achieve very good spate separation, make the activated sludge is not loss, improve the sludge age, so do not need the second pond in the process of traditional MBR, stable effluent quality, less sludge production, cover an area of an area small, set the occasion without limit, can remove ammonia nitrogen and refractory organic compounds, convenient operation and management, easy to realize automatic control, easy to from the traditional process improvement, etc.
However, there are some deficiencies in the membrane bioreactor, mainly in the following aspects:
The film cost is high, making the membrane -- the infrastructure investment of bioreactor is higher than traditional sewage treatment technology.
It is easy to have membrane fouling and inconvenience operation management.
High energy consumption: first, the MBR membrane drive spate separation process must keep pressure, followed by the MLSS concentration in MBR pool is very high, to keep enough oxygen transfer rate, must increase the intensity of aeration, and in order to increase the membrane flux and reduce membrane pollution, must increase the flow velocity, scour the membrane surface, cause the energy consumption of the MBR is higher than the traditional biological treatment process.
Product description of new coal chemical wastewater:
Certification: ISO9001,CE, ISO14001, OHSAS18001 etc
Voltage: 380V 50Hz, the voltage can be as local demand
Payment term: Unionpay transfer
Delivery date: Negotiable
Packing: export standard
Market: Middle East/ Africa/Asia/South America/Europe/North America
Warranty: 1 year
MOQ: 1 set
We provide free technical service for the design process principle and PLC program.
Free site visit and our factory introduction
We provide free process design and validation
We can guarantee punctual delivery of goods.
Keep track of all orders for special personnel and inform customers timely
All after-sales service requests will be returned within 24 hours.
Parts of customers:
In 2007, wuxi blue sky watertreatment equipment co. LTD.Company was set up, the main products of alkaline water, pure water, purified water, ultrapure water, RO reverse osmosis, EDI points to zero discharge ion equipment, water treatment equipment, difficult wastewater treatment equipment, circulating cooling water treatment equipment.
In 2007, registered BSW trademark, began to cooperate with Beijing al, our products entered the northern market.
In 2008, we began to cooperate with jesby, Germany, and vandervell.
In 2009, it began to move from pure water to wastewater, and began to do zero discharge, circulating cooling water and other processes.
In 2012, skilled in pure water technology, the stability of wastewater treatment increased.
Cooperate with well-known foreign enterprises.
In 2015, we opened up international market and started working with regional companies such as Africa and Taiwan.
In 2016, zero-emission and circulating cooling water treatment process is well mastered, and products are sold to Fiji and other countries.
In 2017, we will further open up the international market to provide high-quality services and provide high-quality services to make the blue sky flow to every corner of the earth.
1.What is the quality of your product?
So far, we have certificates like CNAB, CQGC, CQZX, etc.
2.What's the delivery time for your machine?
Generally speaking, the delivery time of our machines is about 30 days, and the customized machines will negotiate with our customers.
3.Can you arrange the installation of the machine after we place the order?
All machines will be tested before delivery, and on-site installation will be arranged according to the actual conditions.
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with 10 years of professional design, we can provide you with the right advice and the lowest price.
1).Third party assessment, national patent and all equipment ISO.
2).Our equipment and services have been well received at home and abroad, and we have given us trust to ensure your satisfaction.
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Offer the best price on the basis of quality assurance.
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strictly install ISO standard to carry out.
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Company: Wuxi Blue Sky Water Treatment Equipment Co., Ltd.
Add: No 5,rongqiang Road, Wuxi city, Jiangsu Prov, china
remarks：Main Equipments Packages Testing Devices Delivery:
500kg or more