Oily Sludge Electrochemical Biological Coupling Processing Technology And Efficiency

Oil field as the main soils in the oil field actual production waste,Because of difficult processing?Great toxicity has been included in the list of hazardous waste.For oily sludge treatment has always been a technical problem,the main variety of oily sludge,Composition complex,Processing is difficult,Serious environmental pollution and other issues.Oil field oil sludge including exploration drilling process used in a large number of drilling mud;Crude oil transportation,storage and produced liquid in the process of handling a large number of oily sludge;In the process of refining chemical refining chemical plant produces a large number of refining wastewater,Sewage treatment process using a large number of chemical flocculants agent,etc.A large amount of sludge formation,the styrene butadiene rubber sludge method is to use iron carbon fenton formed when handling styrene-butadiene rubber wastewater sludge,In oily sludge Benzo[a]pyrene strong carcinogens.Now oil field oil hazardous waste(mainly oil-bearing sludge)methods are mainly biological and non-biological,Biological methods mainly compost and arable land and the reactor method,Good effect,low cost,but the cycle is long;The biological method is the most commonly used in curing method and some burning method and electrochemical method,The curing method and burning method respectively has such problems as inadequate processing,waste of resources,Especially in the incineration method can produce a certain amount of dioxin toxic substances.Therefore,this study adopts the electrochemical biological coupling technology processing oil-base mud,the oily sludge,Styrene-butadiene rubber sludge,Pure biological method and electrochemical method and compared the advantages of electrochemical biological coupling technology are elaborated.Microbes coupled electrochemical technology in dealing with three kinds of oil content in sewage sludge removal efficiency.Of oil-base mud,organs of the oily sludge,styrene butadiene rubber sludge removal rate was 86.26%,88.62%and 93.73%,respectively.Optimum reaction conditions for step,Oily sludge as experimental samples,In the reactor under the condition of the original three groups,respectively to the additive amount of hair gel fluid of algae,found in the same processing effect needed shorter time to 35 days.Electrochemical biological coupling technology on the condition of oil content in the superiority of the treatment effect,in order to further understand how it works.The GC-MS analysis,the change of the organic composition.Again with electron scanning microscope and DEX energy spectrum analysis of the sludge morphology and composition of the change.Apparent the contamination removal effect of combining modern molecular biological analysis and material component analysis method to formulate microbial coupled electrochemical technology superiority and availability.This study considered the oilfield oily waste exists in a large number of organic compounds,try from the perspective of energy recovery using microbial electrochemical reactor to test good liquidity oil-base mud,Implement found electro genesis microorganism to organic pollutants in oil-based mud as a carbon source for metabolic activity and translated into electrical energy.In the continuous running 300 hours to reach the most prolific electric effect,Outside the transmission pressure reached 240 mv,and stable for a period of time.This shows that the energy is in the oil field oil sludge can realize recycling,conform to the modern theme of sustainable development.