cairui2003

  • Application of Plate and Frame Filter Press in Alkaline Desulphurisation

    427

    In recent years, alkaline desulphurisation has been widely used in coal treatment and utilisation projects. At present, the sulphur foam in alkaline desulphurisation adopts the process of continuous sulphur melting in sulphur melting kettle to produce molten sulphur. The sulphur foam overflows from the regeneration tank to the foam tank, which is equipped with agitation to make the foam and clear liquid form a homogeneous suspension, and the foam is used to...

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  • Utilisation of plate and frame filter presses in the soda ash industry

    474

    Reasons for utilising plate and frame filter presses In the soda ash production process, brine refining is required to improve product quality, reduce ammonia, salt, and carbon dioxide losses in the production process, and reduce scarring in the tower piping. Raw salt is dissolved in hot water to make saturated crude brine. In the process of removing magnesium and calcium, a slight excess of stone is added...

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  • 隔膜压滤机的技术原理

    370

    隔膜压滤机的技术原理 隔膜压滤机两端设有进料孔,即止推板进料和压缩板进料。 压紧板为移动式往返运行,进料管采用旋转管接头连接管道,压盘前后移动,安装法兰焊接弯头结构连接旋转管完成作业。 连接器配有定位...

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  • How to fine-tune sludge filter presses

    426

    Sludge Aerobic activated sludge can quickly stabilise organic pollutants in wastewater and has good self-coagulation ability and settling performance. The purification effect of aerobic activated sludge is similar to that of coagulant in water treatment engineering. At the same time, it can absorb and decompose the dissolved pollutants in water. Because it is composed of live microorganisms, it can...

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  • 板框压滤机技术原理

    364

    板框压滤机 板框压滤机是一种新型的污泥干燥处理设备,它将太阳能技术与热泵技术相结合,实现有效干燥,最终实现污泥减量化和回收。现在让我们了解一下板框式污泥脱水机的系统组成和应用技术。 板框式污泥脱水机...

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  • Electroplating wastewater treatment process

    481

    Electroplating wastewater treatment is a modular and highly efficient wastewater biological treatment equipment. The system has strong anti-pollution ability, low power consumption, stable operation and convenient maintenance, and has broad application prospects and promotion value. The following briefly describes the effluent effect of electroplating wastewater treatment process. Electroplating wastewater treatment process Electroplating wastewater treatment...

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  • Influence of filter press sludge deep dewatering-PAC conditioner

    685

    A sludge incineration and disposal plant is proposed to be built in Hangzhou, where centrifugal sludge with a water content of 80% will be incinerated after deep dewatering using plate and frame. In order to improve the economic value of sludge incineration, it is very important to reduce the dry basis increment caused by the conditioner and not to reduce the calorific value of sludge in the pretreatment process, therefore, it is necessary to find a new agent instead of...

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  • Phosphorus wastewater treatment technology

    429

    In the process of urbanisation, people's production and business activities have caused increasingly serious damage to the ecological environment. In order to solve this problem, the state began to pay attention to environmental protection. At present, the focus and difficulty of environmental protection is the treatment of chemical wastewater. As the scale of development of the chemical industry continues to expand, the toxicity of wastewater has...

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  • Coking wastewater reuse treatment technology

    473

    Technology Overview Coking wastewater electrodialysis + reverse osmosis integrated membrane desalination and reuse treatment technology, the technology of biochemical treatment of coking wastewater using Fenton oxidation process to oxidise organic matter, and then use electrodialysis pre-desalination, the produced water and then "ultrafiltration - reverse osmosis" for further desalination of reuse, reverse osmosis concentrate and electrodialysis pre-desalination concentrated...

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  • Pickling Wastewater Technology for the Iron and Steel Industry

    457

    Technology Overview Neutralisation + Membrane Filtration Technology for Treatment of Pickling Wastewater in Iron and Steel Industry, Pickling wastewater is pre-neutralised by limestone to adjust the pH value to 5-6 and then lime is added to further neutralise the pH value to 8-9, the iron ions in the wastewater reacts with the alkali solution to form a mixture of precipitates such as iron hydroxide, zinc hydroxide, etc, and then passes through the tubular membrane to form the precipitation mixture...

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