The 13 Most Essential Sludge Records | Kerrang!

Looking for an introduction to the murky world of sludge? While 1996's Dopesick is also essential listening, Take As Needed For Pain is as addictive as the chemicals inspiring the majority of its lyrics...

PDF Sequential ultrasound and low-temperature thermal pretreatment: Process ...

annual generation of sludge from sewage treatment facilities in Europe was approximately 10.0 610 tons (dry matter basis), whereas in China, sludge generation was over 6.0 610 tons (Eurostat, 2016; Zhang et al., 2016). The situation in Chile has not been different, with an estimated sludge generation of 300 ton/day during 2010 (Celis et al., 2008).

Optimized sludge dewatering saves costs

The wetter the sludge, the more it weighs and the more its later treatment costs. When we found out that Valmet had a dewatering optimization solution with which it would be possible to lower sludge...

Process Optimization of Waste Activated Sludge in Anaerobic Digestion ...

Biological treatment is a common method applied in most wastewater treatment plants (WWTP). During treatment of municipal wastewater, waste activated sludge (WAS) is produced in huge amounts as a by-product, with the total solids concentration varying between 0.8 and 1.2% [].The transportation, treatment and disposal of WAS is an important issue as it adds to the overall cost of wastewater ...

PDF SLUDGE

To express the characteristics of the sludge, as well as the production in terms of mass and volume, it is essential to have an understanding of some fundamental relationships.

The 10 essential sludge metal albums | Louder - loudersound

Spawned from a messy collision of Black Sabbath's downcast metal, Black Flag's tortured hardcore and the sub/dom grind of early Swans, shaken up with lashings of cheap whisky and bad pharmaceuticals, sludge metal crawled out of the woodwork at the end of the 1980s and stunk up the 90s underground with its raw honesty and ugly sound. Bands like Mastodon, Kylesa, Baroness and Torche later ...

Optimization and/or acclimatization of activated sludge ... - PubMed

In conclusion, this approach resulted in adaptation of the system where sludge microbes acquired and developed natural resistance to such metals leading to remarkable enhancement of both organic matter and heavy metals removal. MeSH terms Biological Oxygen Demand Analysis Inhibitory Concentration 50 Metals, Heavy / metabolism

Optimization of Cement-Based Mortar Containing Oily Sludge Ash by ...

Numerical optimization results showed that the best mixture can be obtained by replacing 8.19 percent cement with OSA and 0.52 as a ratio of w/c. In the industries of petroleum extraction, a large volume of oily sludge is being generated. This waste is usually considered difficult to dispose of, causing environmental and economic issues.

Top 8 Essential Website Optimization Strategies

Learn the techniques you need to know and how to optimize your website for success. As the name implies, this Google initiative is designed to quantify the essential metrics for a healthy website.

5 Common Problems with Sewage Treatment Plants

High algae or sulphur bacteria growth. Sludge accumulation and loss of old sludge to the effluent. 5. You have a lot of complaints as a direct consequence of odour issues associated with the WWTP.

PDF The art of optimization

Valmet SDO • Sludge dewatering optimization • Sludge dewatering control. Ultimately, the list of keywords used for both SEO and SEA activities was the re-sult of the brainstorming sessions, being...

Optimization of the Activated Sludge Process | Journal of Energy ...

To minimize the energy consumption of the activated sludge process and maximize the quality of the effluent, three different objective functions are modeled [i.e., the airflow rate, the carbonaceous biochemical oxygen demand (CBOD) of the effluent, and the total suspended solids (TSS) of the effluent].

Clarifier Optimization-sludge Judge Trials - environmentalleverage.com

A sludge judge is a core sampler that may consist of three to five foot long sections of plastic tubing, each clearly marked at 1 foot intervals and fitted with screw connections for ease of assembly. The 1-ft markings allow for quick and accurate assessment of the depth of settled solids in the bed of the clarifier.

6. Agricultural use of sewage sludge

Sewage sludge also contains pathogenic bacteria, viruses and protozoa along with other parasitic helminths which can give rise to potential hazards to the health of humans, animals and plants.

PDF New horizons for sludge

Sludge drying and energy optimization. ATHOS™ is a sludge Hydro-Thermal Oxidation (HTO) process, which turns organic sludge with low dry matter into an essentially solid mineral.

Optimization of influential parameters of hydrocarbon recovery from ...

Optimization of influential parameters was conducted through the fitted model. As determined by the fitted model, the factors such as temperature, mixing time, MEK, and xylene to sludge ratios for optimum oil sludge recovery with solvent extraction method must be fixed at 49.28 °C, 22 min, 6.04 to 1, and 6.4 to 1, respectively.

Modeling and Optimization of the Activated Sludge Process

In the process of urban sewage treating, reducing the energy consumption and improving the quality of the effluent are significantly meaningful. According to the activated sludge method, the key factors affecting the energy consumption and water quality of wastewater treatment are determined. In order to minimize the energy consumption of the activated sludge process and maximize the quality ...