natural purification

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• Natural organic matter — (NOM) is broken down organic matter that comes from plants and animals in the environment. [ Natural Organic Matter, GreenFacts, 22 Apr, 2007 …   Wikipedia

• Natural-gas processing — is a complex industrial process designed to clean raw natural gas by separating impurities and various non methane hydrocarbons and fluids to produce what is known as pipeline quality dry natural gas.[1] Contents 1 Background 2 Types of raw… …   Wikipedia

• Natural gas processing — plants, or fractionators, are used to purify the raw natural gas extracted from underground gas fields and brought up to the surface by gas wells. The processed natural gas, used as fuel by residential, commercial and industrial consumers, is… …   Wikipedia

• Natural cleaning product — Natural cleaning products are substances used to clean, deodorize, and/or disinfect which have natural substances as their active ingredients. In some cases, natural cleaning products may be less damaging to the environment and safer for humans… …   Wikipedia

• purification rite — ▪ anthropology Introduction       any of the ceremonial acts or customs employed in an attempt to reestablish lost purity or to create a higher degree of purity in relation to the sacred (the transcendental realm) or the social and cultural realm …   Universalium

• Natural building — A natural building involves a range of building systems and materials that place major emphasis on sustainability. Ways of achieving sustainability through natural building focus on durability and the use of minimally processed, plentiful or… …   Wikipedia

• Natural product — Paclitaxel (Taxol) is a natural product derived from the Yew tree.[1] A natural product is a chemical compound or substance produced by a living organism found in nature that usually has a pharmacological or biological activity for use in… …   Wikipedia

• Natural gas — For other uses, see Natural gas (disambiguation). Natural gas extraction by countries in cubic meters per year. Natural gas is a naturally occurring gas mixture consisting primarily of methane, typically with 0–20% higher hydrocarbons[1] …   Wikipedia

• Natural pool — This German swimming pond highlights how NSPs can be designed to resemble a part of the surrounding environs …   Wikipedia

• Natural family planning — This article is about methods of family planning approved by the Catholic Church. For a more general use of the term, see fertility awareness. Natural family planning Background Birth control type behavioral First use Ancient: calendar, LAM mid… …   Wikipedia

• Natural gas purification — is extraction of components hindering gas utilization as fuel and feedstock, or polluting the environment. Hydrogen sulfide, carbon dioxide, sulfur dioxide and others are among these components. Total content of gas impurities vented to… …   Glossary of Oil and Gas