Natural gas purification wastewater is mainly divided into normal production wastewater and maintenance wastewater.The concentration of pollutants in normal production wastewater is low and can be treated by general biochemical treatment.The maintenance sewage contains a large number of complex biodegradable substances, biodegradability is poor, for many years mainly rely on fresh water dilution treatment and combustion furnace treatment, but these two methods are low efficiency and high cost, so it is necessary to develop new wastewater treatment methods.https://www.yrdcarbon.com/products/
Although we have studied the upflow anaerobic sludge bed reactor (UASB) for the treatment of high concentration sewage of the natural gas purification plant, the start-up test results of 133 days show that the effluent COD removal rate is only about 40% when the influent COD is 6000mg/L, and the treatment effect is not good.Therefore, it is of practical significance to explore and seek an effective pretreatment method.In this paper, Fenton oxidation and activated carbon adsorption were combined to pretreat the wastewater from natural gas purification maintenance, in order to improve the subsequent operation efficiency of UASB.https://www.yrdcarbon.com/news/coconut-shell-activated-carbon-for-gold-recovery.html
This experiment by orthogonal test to determine the Fenton reagent oxidation first preliminary operating conditions, on this basis, carries on the single factor analysis method, the main factors influencing the Fenton reagent treatment effect for each study, investigation of its influence on wastewater COD removal rate, the results show that Fenton oxidation method the optimum operating conditions for natural gas purification overhaul wastewater treatment: HO2 dosing quantity 0.3 mol/L, n (HO)/n (Fe) = systematically, initial pH = 3, reaction temperature 70 ℃, reaction time, 40 min.If under certain pressure and temperature conditions, with m grams of activated carbon adsorption solution solute, the solute adsorption is x mg, the number of unit weight of activated carbon adsorption solute Q.the adsorption capacity can be calculated according to the following formulaThe size of Q in addition to the variety of activated carbon, but also with the nature of the adsorbed substance, concentration, water temperature and pH value.
Generally speaking, when the adsorbed material can react with the activated carbon, the adsorbed material is not easy to dissolve in water and is repulsed by water, and the activated carbon on the adsorbed material affinity force is strong, the concentration of the adsorbed material is larger.F - Sorb 2400 specific surface tester is really able to BET method detection instruments (both direct comparison method), the more important F - Sorb 2400 specific surface tester is by far the only specific surface area of the fully automated intelligent testing equipment, the test results with the international high consistency, the stability is very good also, at the same time reduce the human error, improve accuracy test results.