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Blog

Superabsorbent Polymer Performance & Conductivity (and TDS)

corie matushek · Feb 5, 2013 ·

We are often getting asked “How much Waste Lock® super absorbent polymer will I need?” The answer is — It depends on the character of the liquid being absorbed. As we know, SAPs absorb by means of a diffusion gradient built into the backbone of the polymer chains. One gram of Waste Lock® 770 will absorb about 450 grams of DI water. But start adding cations (Sodium, Calcium, Magnesium, etc…) to the water and absorbency starts to fall. One gram of the Waste Lock® 770 will absorb about 120-150 grams of tap/well water or 55 grams of a 1% NaCl solution.

The best way to gauge is to test a smal sample of waste with polymer to determine the absorbency ratio. If that is not possible — or if one is processing many batches of waste — measuring CONDUCTIVTY is an easy and effective way to determine the relative “challenging nature” of the waste liquid. It also allows waste processors to measure diffeerences between waste batches.

Conductivity is the ability of a liquid to conduct a current. It is the reciprocal of resistance (ohms) and is expressed as Siemens (S) or in many cases milli-Siemens (mS) or micro-Siemens (µS) per centimeter (cm).

The Conductivity of most DI Water is around 0.05 to 0.2 µS/cm. Distilled water is typically 0.4 to 0.7 µS/cm. Start adding cations and the Conductivity climbs rapidly:

Waste Water: 0.9 to 9 mS/cm (Note: milli-Siemens not µS/cm !!!)
Brackish Water: 1 to 80 mS/cm
Ocean Water: 50-55 mS/cm
10% NaOH: 355 mS/cm

The point here is to track the RELATIVE Conductivity of different waste streams. We sometime will get a call from a customer saying that “the super absorbent polymer is not working as good.” In practically every case, the customer’s waste has a much higher cation load (Conductivity) than an earlier waste batch. Hence, more sorbent is required.

Conductivity meters are easily and cheaply available on-line and many sell for as little as $100-$200. It is a fast, reliable, nondestructive, inexpensive and durable means of measuring the ionic character of a sample.

Another option is to measure Total Dissolved Solids (TDS). TDS is inferred from Conductivity and then expressed as PPM (mg/Liter). TDS is mainly used in fresh water systems and it counts both inorganic & organic constituents of the waste liquid. The relationship between Conductivity and TDS is:

2 µS/cm = 1 PPM of TDS (mg/L)

Either system allows a waste processor to evaluate new waste batches prior to processing and sorbent addition.

Oil and Water Absorption with Superabsorbent Polymers

corie matushek · Nov 5, 2012 ·

M² Polymer Technologies is pleased to announce their latest innovative product: TOTALSORB™-Plus! We are blending some of our Waste Lock® superabsorbent polymer with a unique form of Expanded Amorphous Alumina Silicate mineral. This combination allows users to rapidly dry up vexing oil and water combination in environmental remediation or in spill response.

Check out the video at:

https://youtu.be/79kLdOlwgow

Martin Matushek
M² Polymer Technologies, Inc.

Mercury is a Dangerous Neurotoxin

corie matushek · Jan 21, 2012 ·

The Daily Herald published my letter and rebuttal about the dangers of Mercury.

http://www.dailyherald.com/article/20120121/discuss/701219927/

Title: Mercury is a Neurotoxin
I am writing in rebuttal to the letter posted Sunday by Donn Dears titled “EPA’s war against coal a disservice.” First, it must be noted that Mr. Dears is a self-styled “energy expert” (per his Linkedin.com page) with no college degree who runs something called TSAugust, a “volunteer think tank.” This group is a shill for the coal & oil industry and a group that denies Global Warming due to manmade CO2 generation.

I am staggered by this person’s illogic and lack of basic knowledge of toxicology. As for my qualifications, I am a degreed chemist (UIUC 1981) and the owner of a successful environmental specialty chemical company.
Dears regurgitates Fox News cherry-picked reports and he willfully disregards choices between Mercury sources we can control (coal fired power plants) and those that we cannot (volcanoes, natural deposits).
Mercury and its related compounds are powerful teratogens, carcinogens, and neurotoxins.

One of the earliest, large-scale health studies on Mercury from the 18th & 19th century involved neurological diseases among workers in the felt hat industry who were exposed to Mercury laden vapors. Hence, the term “Mad as a Hatter.” A single drop of Dimethyl Mercury can be absorbed through the skin and kill a 250 lbs man.

We cannot control natural sources of Mercury but only seek to avoid and contain them. We can, however, require the coal industry to implement necessary and cost-effective emission controls to remove this toxic compound from our environment and our children. The technology is reliable and not so costly as the coal industry portrays. It is pure greed and profit motive that drives the coal industry to feel that they should be able to pollute with impunity. To suggest, as Dears does, that somehow coal plant Mercury is magically “not a hazard” is ignorant and simply wrong.

Super Absorbent Polymers and Biodegradability

corie matushek · Dec 27, 2011 ·

We recently sent Facebook & Linkedin requests to all our friends asking them to visit our site and click the Facebook “Like” button on our site to help us build external links. One young lady — a friend of a friend — wrote some disparaging comments because “superabsorbent polymers are not biodegradable.” That is a correct statement… and WRONG MINDED particularly for our principle market application — solidification of hazardous waste.

We sell our WASTE LOCK® brands of super absorbent polymers to absorb free water in many types of hazardous waste — particularly low level radioactive waste (LLRW). Besdies absorbing the water, these polymers also bind soluble metals like Cadmium, Chromium, Mercury, etc… Once bound & immobilized, you do NOT want the sorbent to be biodegradable because it would release the hazardous component back into the environment!

As a matter of fact, the US Code of Federal Regulations (40CFR264.314) requires that all sorbents used with hazardous waste be non-biodegradable and the regulation lists “long chain polymers… and crosslinked acrylic polymers” as meeting the non-biodegradable criteria.

We will publish another blog on the pros & cons of non-biodegradable superabsorbents in baby diapers in the future.

Happy New Year! MM

New WASTE LOCK Superabsorbent Polymer Contract Awarded to M2 Polymer

corie matushek · Dec 9, 2011 ·

M² Polymer Technologies, Inc. is pleased to announce that they have successfully competed in a bid and have been awarded a one year supply contract by UCOR (URS-CH2M Oak Ridge LLC) for super absorbent socks and superabsorbent rolls for the clean-up at ETTP. The contract, which runs through 12/31/12, estimates a requirement for 15,000 Waste Lock® superabsorbent socks (8-feet each in length) and 200 Waste Lock® super absorbent rolls (each 48″ X 500 feet).

Established in January 2000, M² Polymer Technologies is widely known in the environmental remediation industry for the Waste Lock® brand of superabsorbent products. The company is SBA-registered as a small, woman-owned business. In May 2011, the company attained ISO-9001 registration.

For additional information on the company or products visit the website at www.m2polymer.com or call 847-836-1393.

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Call M² Polymer Technologies at 847-836-1393 or email our experienced polymer technology experts at info@m2polymer.com to learn more about our super absorbent polymer products!

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