method dewatering patenten

Confined aquifer dewatering optimization with a modified …

Superior to the conventional dewatering designing method, the simulation–optimization method combines the advantages of both optimization theory and numerical simulation, which make it able to improve the dewatering efficiency as well as enhance the design accuracy under complicated engineering and geological conditions. Hence, the …

Method of separating and de-watering fine particles …

Methods of Enhancing Fine Particle Dewatering patent-application, March 2008. Yoon, Roe Hoan; US Patent Document 11/833402; 20080053914; …

Mine Dewatering System And Method

A system and method for efficiently and effectively removing water from mine areas is presented. In one embodiment, one or more directionally drilled dewatering wells are drilled into the geologic formation such that at least a portion of the dewatering well is positioned underneath the mine. In one embodiment, one or more of the dewatering wells may …

Dewatering Methods and Techniques | A Comprehensive …

Dewatering is a crucial process employed in various industries, construction sites, and environmental projects to remove excess water from the ground. It helps ensure stable ground conditions, prevent structural damage, and facilitate efficient operations. In this comprehensive guide, we will explore different dewatering methods and …

What Is Dewatering? 4 Methods for Your Construction Site

Dewatering is a necessary step in preparing an area for construction work. You can choose from four major dewatering methods, which include wellpoints, sump pumping, eductor wells, and deep wells. No matter which method you use, you have to follow some rules and regulations, even permits, that apply to construction dewatering, …

Evaluation of cassava mash dewatering methods

In the dewatering of cassava mash, the particles are constrained while the liquid is free. The pressure applied, varied depth, time, moisture content, volume of material and the particles of material, these are some of the parameters identified by Kolawole et al. (2007). The material moisture content, the mass and the volume were easier to ...

Method of Statement For Dewatering Work | PDF

This document provides a method statement for a dewatering system for a construction project. It defines the sequence and control procedures for dewatering the site. It outlines responsibilities of roles such as the project manager, construction manager, HSE manager, and dewatering engineer. It also lists the resources, materials, plant and equipment, and …

Dewatering Methods in Construction

Dewatering is the process of removing groundwater or surface water from a construction site to create a dry working area. This is a critical aspect of construction, especially in areas with high water tables or where the excavation extends below the water table. Dewatering helps to prevent soil erosion, maintain the stability of the surrounding ...

Dewatering

Dewatering is the Procedure of removing water from an excavation. In this operation, the water is drained outside by pumping from the location. Dewatering. The chief purpose of dewatering is to provide a dry base for the foundation by lowering the groundwater table of a given location. Dewatering is a useful technique for dealing with running ...

DEWATERING SYSTEM AND METHOD

Justia Patents US Patent Application for DEWATERING SYSTEM AND METHOD Patent Application (Application #20240083130) DEWATERING SYSTEM AND METHOD. Sep 9, 2022. A dewatering system is described having an apparatus with an …

The Guide to Dewatering for Construction

There are a few dewatering methods used in the construction industry, including the following: Wellpoint Dewatering. The wellpoint method of dewatering utilizes a series of small wells situated evenly along an excavated area. Each wellpoint connects to the main pipe, where a high-efficiency pump carries the water away from the ground and …

Characteristics of Biosolids in Dimethyl Ether Dewatering Method

This study evaluates the applicability of the DME dewatering method to biosolid cakes by using a DME flow-type experimental apparatus. It was found that a high dewatering ratio is clearly achieved by increasing the liquefied DME/biosolid ratio and lowering the liquefied DME linear velocity. As the liquefied DME/biosolid ratio was …

Four Methods of Dewatering and How to Choose One

1. Dewatering By Open Sump Pumping. It's a reliable choice in a wide range of situations, and it's also referred to as the simplest, cheapest, and most effective dewatering method. A sump is a hole or an area in the ground (deeper than the basement floor) where water is collected and then pumped away for disposal. How it works.

Dewatering | SpringerLink

Categories of dewatering methods for excavations. (a) Groundwater control by pumping (Groundwater is pumped from lines or arrays of wells or sumps located in or around the excavation to lower groundwater level below the base of the excavation.) (b) Groundwater control by exclusion (Low permeability cut-off walls are used to form a …

System and method for dewatering slurries

A dewatering system for separating a slurry into solid material and effluent water. The dewatering system comprises a plurality of support frames arranged to enclose an interior space of the dewatering system, with the interior space being configured to receive the slurry. The dewatering system further includes geo-fabric material positioned on a …

Systems and methods for dewatering and drying …

The present invention allows the production of nanocellulose in dry form, enabling incorporation into a wide variety of end-use applications. Some variations provide a nanocellulose-slurry dewatering system comprising: a nanocellulose slurry feed sub-system; a pre-concentration unit (e.g., a centrifuge) to remove at least a portion of the …

Physical Conversion of Biomass: Dewatering, Drying, Size

The mechanical dewatering methods like screw pressing, belt pressing, and vacuum filtering are frequently used. Biomass is fed into a screw press machine where it is compressed as it travels through a tapered screw during the screw pressing process. Water is squeezed out by the pressure and then collected and separated from the biomass.

Method Statement for Dewatering System

V. Methodology. This how will the method statement for dewatering will be implemented during the construction stage of the project. 1. Procedure for dewatering. In order to control groundwater levels a hybrid system consisting of an array of 201 nos. deep wells interconnected with a perimeter trench will be used.

Cleaning and dewatering fine coal (Patent) | OSTI.GOV

Abstract. Fine coal is cleaned of its mineral matter impurities and dewatered by mixing the aqueous slurry containing both with a hydrophobic liquid, …

Inspection and Monitoring Guide for Construction …

Intermittent dewatering may occur during wet weather periods. • Whether dewatering water is discharged to a municipal separate storm sewer system (MS4). If you discharge to an MS4, you should contact the operator of the system (e.g., the local public works department, the highway department) to alert them to the discharge.

Eductor Dewatering System | Griffin Dewatering

Eductor System Design. Eductor systems are a closed-loop pressurized setup that uses a high-pressure supply water stream and nozzle/venturi to create a localized low-pressure (vacuum) zone at the bottom of the well. The vacuum draws groundwater in through a foot-valve that joins the return stream and directs to a recirculation tank.

How to Dewater a Construction Site Using 6 …

Discharge on-site. The simplest method is to release the water on your own land, either repurposing it or letting it evaporate. Just make sure the water is pollutant-free before discharging it on-site. If you …

Method of separating and de-watering fine particles …

DOE Patents Patent: Method of separating and de-watering fine particles. Method of separating and de-watering fine particles. Full Record. References (28) …

Method for dewatering a fabric

Patent application title: Method for dewatering a fabric. Inventors: Michael Alan Hermans (Neenah, WI, US) Frank Stephen Hada (Appleton, WI, US) IPC8 Class: …

Google Patents

Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names.. Use TI= to search in the title, AB= for the abstract, CL= for the claims, or TAC= for all three. For example, TI=(safety belt). Search by Cooperative Patent Classifications (CPCs): These are commonly used to represent ideas in place of …

US4101400A

Definitions. This invention relates to a method of dewatering sludge having a dry content of less than 30% and, depending on its origin, having varying characteristics, within a zone through which the sludge to be treated is passed by means of at least one endless belt member permeable to liquid from one end of the zone, to which the sludge to be …

What is Construction Dewatering: Benefits, Methods & More

Dewatering is a technique used to control groundwater on a jobsite. In layman's terms, it's the nontoxic process of separating solid waste from sludge and temporarily lowering groundwater levels for drier and more stable working conditions. The unpredictability of storms and rainfall makes dewatering tanks an essential piece of equipment ...

Dewatering: Important, Methods of Dewatering in …

Dewatering provides a dry digging and allows the construction to proceed efficiently. Itreduces lateral load on sheeting and bracing in the excavation. Also, improves the supporting characteristics of foundation materials. This excavation increases the stability of slopes and side-hill fills. It cut off the capillary rise and prevent piping and ...

Vacuum dewatering and horizontal drainage blankets: a method …

This paper reports a study of vacuum dewatering using horizontal geosynthetic drainage blankets as a more economical and effective method of reclamation using layers of dredged material. Laboratory tests were carried out on samples from two different sites in eastern China, Qingdao City and Lianyungang City. The study showed …

Sewage Sludge Treatment Using the ''freezing-Thawing'' Method

Sludge drying beds with an artificial waterproof base and drainage are widely used for the gravitational dewatering of sludge formed at biological wastewater treatment plants of low productivity in the North-West region of Russia [1, 2].This method of sludge dewatering is also widely used in Finland, Norway, Sweden [3,4,5,6,7,8].The proper …