Krofta Engineering

Sedicell is a mechanically simple and robust Dissolved Air Floatation clarifier which allows simultaneous removal of floatable and settable solids from suspensions in water for high clarity. Firstly, the raw water enters the central distributor and blends with air released from air carrier water. After this, the air bubbles carry the flocculated solids to the water surface and the Heavier particles settle at the bottom of the tank floor. After the separation of these particles, clear water present between the zones of floated and settled solid particles, is subsequently discharged into the overflow of an adjustable weir. The water level in the Sedicell tank can be controlled by adjusting the weir. The floated matter is removed by the rotating spiral scoop and is discharged into the central distributor and to the sludge well. A suspended bottom scraper scrapes the settled solids (sludge) into a bottom pit. The matter in the pit is periodically and automatically purged from the tank. The...

Sludge dewatering  is the practice of minimizing waste by volume to prepare for its effective disposal.  Dewatering  the  sludge  with a  dewatering  filter press significantly reduces its weight and its volume before disposal. Digested  sludge  is put through large centrifuges that work in the same fashion as a washing machine spin cycle. The spinning centrifuge produces a force that  separates  the majority of the  water  from the  sludge  solid, creating a biosolid substance. Wastewater treatment involves several key components: physical treatment (i.e. screening and filtering processes), biological treatment (i.e. oxidation ponds and lagoons), and chemicals. The chemicals required for water treatment must be used more aggressively and in larger quantities for wastewater than municipal drinking water. As such, safe, proper storage for wastewater treatment chemicals is critical. There are five basic steps ...

  Industrial waste waters commonly comprise organic and inorganic matter in fluctuating degrees of concentration. They may comprise of toxic and other harmful supplies as well as elements that are non-biodegradable or that can decrease the effectiveness of many waste water treatment procedures. Thus, treatment of industrial wastewaters usually is a very challenging task - far more complex than municipal wastewater treatment. DAF is used extensively in the following industries-Meat, poultry, fish processing, Pulp and paper, Dairy industry, Food and beverage and Petrochemicals. Eliminating large, suspended and floating solids along with oil and grease is the main focus of the first stage of wastewater treatment. Elimination of oily contaminations through the help of DAF system installed in chemical industry wastewater treatment is an effective flotation technique for water clarification. The word states to the technique of creating flotation by dissolving air in the water under press...

This ancient Indian Paper business had leveraged and competed for a polar role in egg-laying the muse for the economic process. It's additionally one in all the thirty-five high-priority industries of the presidency of the Asian nation. It contributes around Rs.2500 crores each year to the national pecuniary resource. The century's previous Paper business occupies a very important position within the Indian Economy for its extended role of early industry and Paper factory equipment. The stress on creating an Asian nation a knowledge-based economy when globalization perpetuated the importance of Paper business. The relief the arena looks to possess had the specified impact on its growth performance and nature during a competitive paper sector. Paper business in the Asian nations is principally plantation primarily based and is crucial that a lot of lands should be brought below plantation of eucalyptus and alternative trees pertinent of the creating of papers. The paper business...

The production of milk on dairy farms and the processing of milk and milk products at dairy plants  make up the dairy industry. Along with producing many kinds of milk, the industry makes butter, cheese, yogurt, and ice cream. What is the importance of the dairy industry? Apart from being an important sector globally, dairying is equally important in developing economies like India, for  providing nutrition support, reducing rural poverty, inequity, ensuring food security for millions of rural households, and enhancing economic growth, particularly in rural areas . Write to Us at : Krofta@kroftaengineering.com visit us at - www.kroftaengineering.com

 Tannery industry requires efficient DAF sludge handling system for its animal fat waste products. DAF technology is widely used in animal/food processing/meat/slaughtering applications to eliminate SS (suspended solids), fats, grease and oils from various samples of wastewaters. The elevated rates of processing, lesser footprints and suppleness in procedure has always been appreciated and has taken advantage of these applications. The DAF technology utilizes air to generate micro bubbles, which help attach the solids to float onto the surface to be thrown away. Dissolved Air Flotation is principally for solid to liquid or liquid to liquid separation. Large amount of micro bubbles produced by dissolving and discharging system stick to solid or liquid units with same density as tannery wastewater to make the entire sludge float to the surface thus attaining the purpose of solid to liquid or liquid to liquid separation. The channel of the DAF is armed with a wiper blade that sweeps t...

Paper Packaging industry Paper packaging materials possess superior properties like they may be reused and recycled simply, gaining a plus over alternative packaging materials like metal and plastic. Paper packaging materials serve to be lightweight, economic, and eco-friendly which is one of the key drivers for the expansion of this market. To boot, this market is predicted to grow fast because of the increasing demand for paper-based versatile packaging owing to increasing shopper awareness regarding the adverse impact of plastics on the setting. Moreover, sturdy economic things in BRIC countries are expected to drive the paper packaging market in these regions.  As paper remains the most important material employed in the packaging business the expansion within the packaging market is calculable to spice up demand for paper packaging. The rigid deforestation rules in many countries worldwide are expected to for the most part weigh down the expansion of the market over the foreca...

KROFTA is one of the leading   paper machinery supplier   for pulp and paper industry. It supplies paper Industry equipment like spray filter, pressure sand filter, and activated carbon filter. The   pulp and paper industry   machines are useful in extracting the good quality of pulp from the plant fiber which is main raw material to obtain the pulp. The KROFTA paper industry equipment helps in obtaining more pulp with less plant fiber this prevents cutting down the more trees for pulp and paper industry. The pulp and paper industry uses two types of pulp in paper manufacturing. One is obtained from the trees and the other is obtained from the recycling of the paper which we mainly get from the paper packaging industry. The production of recycled pulp is expensive as it contains recovery the paper, pulping and removing the inks and unwanted particles or waste to get the high quality of pulp from recycled paper. The KROFTA spray filter, pressure sand filter, and activ...

Activated carbon filters are often used within the process of removing organic chemicals and extracting free chlorine from water, thus forming water suitable for the extraction or use in production processes.   ACTIVITIES Carbon filtration works by adsorption, in which the contaminants inside the treated fluid adhere to the entire structure of the carbon substrate. The substrate is made up of many carbon granules, each of which is highly durable. As a result, the substrate covers a large area where dirt is often trapped. Open charcoal is often used as a filter because it has been treated higher than untreated carbon. One gram of activated coal covers an area of   more than 3,000 m2   Clarification Each filter is usually given a micron scale that requires particle sizes the filter can remove from the liquid. Typical particles that can be removed with carbon filters range from 0.5-50 μm. The effectiveness of a carbon filter depends not only on the size of its pa...

Desalination is a procedure that takes away mineral components from salty water. More generally, purification said to the exclusion of sodium and crystals from a target substance as in soil detoxification, which is a problem for agriculture. Saltwater is desalinated to supply water, especially for human consumption or irrigation. The by-product of the desalination process is brine. Alongside recycled wastewater, it's one of the few rainfall-independent water sources. Desalination processes are usually driven by either thermal (in the case of distillation) or electrical because of the primary energy types. Kuwait produces a better proportion of its water through desalination than the other country, totaling 100% of its water use. fluctuating seawater conditions; or when prompted by monitoring processes, the membranes got to be cleaned, referred to as emergency or shock-flushing. Flushing is completed with inhibitors during a water solution and therefore the system must go offline...