Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Chemistry Expert

The problem is how the specific equation should be derived by using boundary condition. It consists of the final equation (which is based on Langmuir isotherm) and the boundary condition is as well known so just want to know to reach the final equation by using boundary condition? Step by step. The model is on the assumptions that:

i) In a As-HA binary system, sorbent binding sites form complexes represented as SA when arsenic binding occurs and complexes denoted SH when HA is bound and

ii) Equilibrium can be expressed as S+A? SA, where K1 = [SA]/[S][A], S + H ? SH, where K2 = [SH]/[S][H] and A + H ? AH where K3 = [AH]/[A][H]. In this model, considering an interactions resulting in SAH complexes, the equilibrium can be expressed as SA + H? SAH, where K1,2 = [SAH]/[SA][H], SH+A ? SHA, where K2,1 = [SHA]/[SH][A] and S+AH ? SAH where K3,3 = [SAH]/[S][AH]. Then one can assume S+A+H? SAH and S+H+A? SHA, where K= K1K1,2 = K2K2,1 = K3K3,3.

Assuming that the sorption system is in equilibrium (there are no net changes of [SA], [SH] and [SAH] with respect to time), the following can be written: d[SA]/dt = 0 , d[SH]/dt = 0 and d[SAH]/dt = 0 and [S0] = [S]+[SA]+[SH]+[SAH]. In such case, the model can be presented to the form: qAs = (qmax Ce [As]{1+(K1/K )Ce [HA] })/({K1+Ce [As]+(K1/K2) Ce [HA]+2(K1/K) Ce [As] Ce [HA]}).

So, describe how to reach the above final equation by using the mentioned assumptions.

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M91933

Have any Question? 


Related Questions in Chemistry

Identify the chemical components and the proportions

Identify the chemical components and the proportions necessary to achieve a buffer with the desired pH. Include relevant calculations in your answer.

Could someone please help me balance the following redox

Could someone please help me Balance the following redox reaction in a basic solution:  CuS + NO 3 -   Ò  Cu 2+  + NO + S 8

1 when toluene is used in free radical bromination a very

1. When toluene is used in free radical bromination, a very small amount of product is formed that contains only carbons and hydrogens and no bromine. Show the structure of that product and the arrow curved mechanism of ...

Why does the temperature of a solution increase if the

Why does the temperature of a solution increase if the reaction is exothermic? For example, in the precipitation of silver iodide, delta H is -110.7 kj. Why is this reaction exothermic and why does it cause the solution ...

Consider a 065 m column with van deemter parameters a022 mm

Consider a 0.65 m column with van Deemter parameters A=0.22 mm, B=21.7 mm mL/min, and C=0.018 mm min/mL. If it takes at least 85 theoretical plates to fully separate two solutes, what range of flow rates can be used to s ...

A 200 g sample of water with a temperature of 32c is added

A 200 g sample of water with a temperature of 32?C is added to 50 g water at 55?Cin an insulated container. What is the final temperature after thermal equilibrium is reached? The specific heat of water in the liquid sta ...

Determine the percent yieldwith respect to co2 and ch4 of

Determine the percent yield(with respect to CO2 and CH4) of the reaction if 1.25g of CO2 was formed by reacting 2.50g of CH4(g) with excess O2 in the reaction: CH4(G) +O2(g) ---->CO2(g) +H2O(g).

How much water must be added to a 500 ml solution of 060 m

How much water must be added to a 50.0 ml solution of 0.60 M HNO 3  to produce a 0.40 M solution of HNO 3 ?

At a particular location in a countercurrent stripper for

At a particular location in a countercurrent stripper for the removal of solute A from a liquid stream, the mole fraction of the transferring species A in the bulk gas phase is 0.01, and the mole fraction of solute A in ...

1a rolaids tablet has 550 mg of calcium carbonate and 110

1. A Rolaids tablet has 550 mg of calcium carbonate and 110 mg of magnesium hydroxide. a) Write the two neutralization reactions with stomach acid (assume HCl, don't combine reactions) b) If the acid concentration is 4.0 ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen