MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Calcium fluoride sludge ceramsite
Transforming waste perlite into super lightweight ceramsite: Ratios
2024年4月19日 Utilizing waste perlite powder for super lightweight ceramsite with exceptionally low water absorption (1%) compared to expanded perlite Significant density reduction 2023年4月10日 The F1 ∼ F5 formulas are used to study the effect of the calcium carbonate dosage on the ceramsite properties The W1 ∼ W5 formulas are used to study the effect of Preparation of CFB fly ash/sewage sludge ceramsite and the 2023年11月10日 These equations are founded on the utilization of five core raw materials, including waste perlite powder, fly ash, bentonite, calcium fluoride, and silicon carbide, and Transforming Waste Perlite into Super Lightweight Ceramsite本文从提纯和资源化利用两方面综述氟化钙污泥处置的研究现状,分析氟化钙污泥提纯技术的优缺点,总结氟化钙污泥作为萤石替代品在工业上的各种资源化利用途径,指出目前氟 展开更多 目 氟化钙污泥提纯及资源化利用的研究现状 维普期刊官网
Calcium Fluoride Sludge Added into Ceramics Made with
2013年7月1日 Ceramsite made with water and wastewater sludge and its characteristics affected by SiO2 and Al2O3 Results show that WWTS and DWTS can be utilized as 2012年10月3日 To solve the problems with disposing of sludge and mine tailings, calcium fluoride sludge (CFS) was tested as a component for producing ceramics made by using Calcium Fluoride Sludge Added into Ceramics Made with On the basis of analysis of the component of the sludge from Lingzhuang waterworks and the technological process was studied which use the sludge for raw material to produce the sludge Technology Research on Waterworks Sludge for Ceramsite2014年2月1日 An innovative method for utilizing synthetic calcium fluoride (CaF2), recovered from fluoridecontaining semiconductor wastewater, and waste sulfuric acid (H2SO4) to Recycling of calcium fluoride sludge as ceramic material using low
Preparation of anorthite ceramic using mining tailings and calcium
2013年4月1日 To solve the disposal problems of mining tailings and calcium fluoride sludge (CFS), waste serpentine tailings (WSTs), waste kaolin tailings (WKTs), and CFS were tested 2013年7月1日 AbstractTo solve the problems with disposing of sludge and mine tailings, calcium fluoride sludge (CFS) was tested as a component for producing ceramics made by using serpentine tailing waste (STW) and kaolin tailing waste (KTW) Converting CFS and tailing wastes into ceramic as a construction material not only reduced producing cost by the utilization of Calcium Fluoride Sludge Added into Ceramics Made with 2023年10月1日 Due to the high calcium content in FCS and CaF 2 that can be used as a mineralizers, FCS has been directly added to the preparation process of cement, concrete, brick and ceramic materials to improve their compressive strength and reduce their sintering melting point [2], [8], [9]These recycling ways of FCS are relatively simple, the added value of the Purification mechanism of fluoridecontaining sludge from 2013年7月1日 To solve the problems with disposing of sludge and mine tailings, calcium fluoride sludge (CFS) was tested as a component for producing ceramics made by using serpentine tailing waste (STW) and Calcium Fluoride Sludge Added into Ceramics Made with
Transforming waste perlite into super lightweight ceramsite:
2024年4月19日 Taking the first ingredient as an example, the first row of data in Table 5, Table 10 1 4 4 3, corresponds to 140 g of waste perlite powder, 0 g of fly ash, 9 g of bentonite, 5 g of calcium fluoride, 6 g of silicon carbide; in order to achieve the same ball milling effect, the total mass of the mixed powders put into each ball milling jar was 100 g, and according to the MORE At present,calcium fluoride sludge has become a new source of global fluoride pollution,and its main component is CaFThis paper summarizes the research status of calcium fluoride sludge disposal from two aspects of purification and resource utilization,analyzes the advantages and disadvantages of calcium fluoride sludge purification 氟化钙污泥提纯及资源化利用的研究现状 维普期刊官网2021年3月18日 In this study, sludge, cement block, and coal fly ash were employed as ceramsite material to synthesize Aldoped waste ceramsite (Alceramsite) for removing phosphate (PO43−P) from aqueous Preparation of ceramsite from municipal sludge and its The invention discloses a method for extracting pure calcium fluoride from calcium fluoride sludge, which comprises the following steps: 1) pulping and dissolving; 2) removing silicon from caustic soda to obtain a filter cake A and a solution A; 3) calcium salt conversion; 4) acidifying with hydrochloric acid to obtain calcium fluoride and a solution C; 5) drying and crushing: and (3) CNB Method for extracting pure calcium fluoride from calcium
Reuse of hazardous calcium fluoride sludge from the integrated
This novel technology not only avoids the CFS hydrolyzing reaction forming harmful hydrofluoric acid gas at 800°C and above, but also produces highperformance ceramics as a construction material, in accordance with the concept of sustainable development The Chinese integrated circuit industry has been transformed from a small stateowned sector into a global competitor, The invention discloses the preparation of a novel ceramic particle by adopting calcium fluoride sludge, and belongs to the technical field of environmental engineering The process flow of the preparation comprises the solidification and the desiccation of fluorinecontaining sludge, batching, pressurization and pelletization, roasting, cooling and B Preparation of ceramic particle by adopting calcium 2024年11月27日 In addition, the ceramsite was found to contain mineral components such as calcium feldspar (411486), sodium feldspar (990002), muscovite (070025), and hydrocalcium zeolite (200452), which were relatively stable in nature Compared to the NWTS, the main composition of ceramsite remained unchanged, but the peak strength decreasedTreating waste with waste: New insight into phosphorus removal water sludge (CaF 2 sludge) from each plant Water treatment plants generate a large amount of sludge cake; semiconductor factories produce CaF 2 sludge every month This sludge is a legal general industrial waste; however, if source water is contaminated with CaF sludge, the potential problem of fluoriderelated toxicity must be consideredApplication of Reutilization Technology to Calcium Fluoride Sludge
Carbon Footprint Assessment of Artificial Fluorite from Waste Calcium
fluoride sludge; such approaches include the recycling of calcium fluoride sludge as an additive in cement and in concrete industries, and as artificial fluorite in steel industries 212022年11月1日 The recycling of sewage sludge (SS) and fly ash (FA) is significant for the disposal of increasing solid waste In this study, SS and FA were used as raw materials, and sodium hydroxide (NaOH) and calcium oxide (CaO) were used as alkali activators to prepare nonsintered ceramsite under room temperature curing, and the optimal preparation conditions for Preparation of nonsintered sewage sludge based ceramsite by 2013年9月11日 Fluoridecontaining wastewater is normally precipitated by the use of calcium hydroxide and calcium chloride, which generates calcium fluoride sludge (Zhu et al, 2013)Reuse of hazardous calcium fluoride sludge from integrated circuit 2024年4月5日 Analysis of sludge properties: sludge water content, particle size, plasticity, chemical composition, and mineral composition, has a great influence on the firing of sludge ceramsite, so a comprehensive understanding of the physical and chemical properties of sludge is necessary to fire the ideal sludge ceramsite (Liu et al, 2022; Mao et al, 2023)Sludgebased ceramsite for environmental remediation and
Preparation of nonsintered sewage sludge based ceramsite by
DOI: 101016/jceramint202207082 Corpus ID: ; Preparation of nonsintered sewage sludge based ceramsite by alkalithermal activation and hydration mechanism @article{Ma2022PreparationON, title={Preparation of nonsintered sewage sludge based ceramsite by alkalithermal activation and hydration mechanism}, author={Chi Ma and Shenxu A kind of calcium fluoride sludge for fluoride wastewater treatment makes the method for disposal of shale brick, methods described fluoride waste Process the calcium fluoride wet mud producing, moisture content 98%, so as to moisture content is 80% after filterpress dehydration；Dewatered sludge is adopted With microwave method, moisture content is down to less than 40% to carry Method for making shale bricks with calcium fluoride sludge and 2008年8月30日 To solve the disposal problems of residual sludges, wastewater treatment sludge (WWTS) and drinkingwater treatment sludge (DWTS) were tested as components for production of ceramsite SiO2 and Al2O3 were the major acidic oxides in WWTS and DWTS, so their effect on characteristics of ceramsite was also investigated to optimize the process Ceramsite Made with Water and Wastewater Sludge and its It is gained that the way of waterworks sludge for ceramsite is feasible and can bring certain economical profits, YC Huang, KC Li and S Yang, Study on the influence of additives in an industrial calcium fluoride and waterworks sludge comelting system, Journal of Environmental Management, vol 84 Sep 2007, pp384389Technology Research on Waterworks Sludge for Ceramsite
Preparation and characterization of ultralightweight ceramsite
2022年9月5日 Ceramsite is a porous material with the loose bulk density below 120 g/cm 3 or the apparent density below 200 g/cm 3 [1]Due to its high strength and low density, ceramsite is commonly used in construction materials, such as lightweight blocks, bricks and concrete [2], [3], [4]Generally, ceramsites are produced by the thermal process from the natural expansion 2021年9月29日 Aldaco, R; Garea, A; Irabien, A Calcium fluoride recovery from fluoride wastewater in a fluidized bed reactor Water Res 2007, 41, 810–818 [Google Scholar] "An Effective New Treatment of FluorideContaining An Effective New Treatment of FluorideContaining 2021年2月1日 A simulated calcium fluoride (CaF 2) sludge was prepared by mixing 526 mmol/dm 3 HF solution and Ca(OH) 2 solution to adjust the initial Ca/F ratio to 1 The pH of the mixed solution was adjusted to 25 by adding HNO 3 to avoid the formation of calcitePurification of calcium fluoride (CaF2) sludge by selective The invention discloses the preparation of a novel ceramic particle by adopting calcium fluoride sludge, and belongs to the technical field of environmental engineering The process flow of the preparation comprises the solidification and the desiccation of fluorinecontaining sludge, batching, pressurization and pelletization, roasting, cooling and A Preparation of novel ceramic particle by
Pilot test on acidic fluoridecontaining wastewater treatment in
2024年8月9日 The fluoride concentration in the acidic fluoridecontaining wastewater from PV enterprises typically ranges from several hundred to several thousand micrograms per liter, with a low acidic pH [5]Extensively researched treatment technologies use chemical precipitation, ion exchange, adsorption, and membrane separation [3]Chemical precipitation includes reagent 2007年9月1日 Although calcium fluoride sludge is a legal general industrial waste, two issues must be considered First, water saturated with calcium fluoride has a fluoride concentration of 81 mg/L, which significantly exceeds the regulatory limit of 08 mg/L for the source water of the public watersupply system in TaiwanHence, the potential problem of fluoriderelated toxicity is Study on the influence of additives in an industrial calcium fluoride Reuse of hazardous calcium fluoride sludge from the integrated circuit industry: Authors: Zhu, Ping Cao, Zhenbang Ye, YiLi Qian, Guangren Lu, Bo Zhou, Ming Zhou, Jin: Affiliation: Shanghai Univ, Coll Environm amp; Chem Engn, Shanghai , Peoples R China Semicond Mfg Int Shanghai Corp, Shanghai, Peoples R ChinaTitle Reuse of hazardous calcium fluoride sludge from the Reusing wastewater and sludge containing CaF2 has become important for ensuring a stable supply of fluorine resources Because sulfate in CaF2 resources causes equipment corrosion, an effective technique for sulfate removal from CaF2 resources is critically needed for CaF2 sludge reuse In this study, we proposed a new technique for the purification of CaF2 sludge by Purification of Calcium Fluoride (CaF2) Sludge by Selective
Calcium Fluoride Sludge Added into Ceramics Made with
2012年10月3日 AbstractTo solve the problems with disposing of sludge and mine tailings, calcium fluoride sludge (CFS) was tested as a component for producing ceramics made by using serpentine tailing waste (STW) and kaolin tailing waste (KTW) Converting CFS and 2023年2月1日 The sludge has low content of calcium fluoride, fine particle size and high moisture content and is difficult to reuse In order to recover fluoride from wastewater, the fluidized bed process by induced crystallization is used to prepare calcium fluoride [40], [41], [42]Synthesis of high purity calcium fluoride from fluoride 2013年9月11日 Lin HS (2002b) Calcium fluoride sludge reuse methods and products China Patent, Patent A [in Chinese] Google Scholar Ceramsite made with water and wastewater sludge and its characteristics affected by SiO 2 and Al 2 O 3 Environmental Science Technology 42: 7417–7423 Crossref PubMed ISI Google ScholarReuse of hazardous calcium fluoride sludge from the integrated 2013年7月1日 AbstractTo solve the problems with disposing of sludge and mine tailings, calcium fluoride sludge (CFS) was tested as a component for producing ceramics made by using serpentine tailing waste (STW) and kaolin tailing waste (KTW) Converting CFS and tailing wastes into ceramic as a construction material not only reduced producing cost by the utilization of Calcium Fluoride Sludge Added into Ceramics Made with
Purification mechanism of fluoridecontaining sludge from
2023年10月1日 Due to the high calcium content in FCS and CaF 2 that can be used as a mineralizers, FCS has been directly added to the preparation process of cement, concrete, brick and ceramic materials to improve their compressive strength and reduce their sintering melting point [2], [8], [9]These recycling ways of FCS are relatively simple, the added value of the 2013年7月1日 To solve the problems with disposing of sludge and mine tailings, calcium fluoride sludge (CFS) was tested as a component for producing ceramics made by using serpentine tailing waste (STW) and Calcium Fluoride Sludge Added into Ceramics Made with 2024年4月19日 Taking the first ingredient as an example, the first row of data in Table 5, Table 10 1 4 4 3, corresponds to 140 g of waste perlite powder, 0 g of fly ash, 9 g of bentonite, 5 g of calcium fluoride, 6 g of silicon carbide; in order to achieve the same ball milling effect, the total mass of the mixed powders put into each ball milling jar was 100 g, and according to the Transforming waste perlite into super lightweight ceramsite: MORE At present,calcium fluoride sludge has become a new source of global fluoride pollution,and its main component is CaFThis paper summarizes the research status of calcium fluoride sludge disposal from two aspects of purification and resource utilization,analyzes the advantages and disadvantages of calcium fluoride sludge purification 氟化钙污泥提纯及资源化利用的研究现状 维普期刊官网
Preparation of ceramsite from municipal sludge and its
2021年3月18日 In this study, sludge, cement block, and coal fly ash were employed as ceramsite material to synthesize Aldoped waste ceramsite (Alceramsite) for removing phosphate (PO43−P) from aqueous The invention discloses a method for extracting pure calcium fluoride from calcium fluoride sludge, which comprises the following steps: 1) pulping and dissolving; 2) removing silicon from caustic soda to obtain a filter cake A and a solution A; 3) calcium salt conversion; 4) acidifying with hydrochloric acid to obtain calcium fluoride and a solution C; 5) drying and crushing: and (3) CNB Method for extracting pure calcium fluoride from calcium This novel technology not only avoids the CFS hydrolyzing reaction forming harmful hydrofluoric acid gas at 800°C and above, but also produces highperformance ceramics as a construction material, in accordance with the concept of sustainable development The Chinese integrated circuit industry has been transformed from a small stateowned sector into a global competitor, Reuse of hazardous calcium fluoride sludge from the integrated The invention discloses the preparation of a novel ceramic particle by adopting calcium fluoride sludge, and belongs to the technical field of environmental engineering The process flow of the preparation comprises the solidification and the desiccation of fluorinecontaining sludge, batching, pressurization and pelletization, roasting, cooling and B Preparation of ceramic particle by adopting calcium
Treating waste with waste: New insight into phosphorus removal
2024年11月27日 In addition, the ceramsite was found to contain mineral components such as calcium feldspar (411486), sodium feldspar (990002), muscovite (070025), and hydrocalcium zeolite (200452), which were relatively stable in nature Compared to the NWTS, the main composition of ceramsite remained unchanged, but the peak strength decreased